This report was separated into three groups:
- Node.js Internal Benchmark
- HTTP Servers
- Node.js Common Operations
- Dedicated Host on AWS
- Running a dedicated instance
- c6i.xlarge (Ice Lake) 3,5 GHz - Computing Optimized
- 4 vCPUs
- 8 GB Mem
cd ~/repos/node
nvm install v20.0.0
cp $(which node) ./node20
nvm install v18.16.0
cp $(which node) ./node18
nvm install v16.20.0
cp $(which node) ./node16- Node.js Internal Benchmark
$ ./benchmark.sh➜ state-of-nodejs-performance-2023 (main) node-benchmark-compare compare-fs-16-18.csv ✭ ✱
confidence improvement accuracy (*) (**) (***)
fs/bench-opendir.js bufferSize=1024 mode='async' dir='test/parallel' n=100 *** -0.61 % ±0.26% ±0.34% ±0.45%
fs/bench-opendir.js bufferSize=32 mode='async' dir='test/parallel' n=100 *** -2.29 % ±0.28% ±0.37% ±0.49%
fs/bench-readdir.js withFileTypes='false' dir='test/parallel' n=10 *** -5.90 % ±0.22% ±0.30% ±0.39%
fs/bench-realpath.js pathType='relative' n=10000 *** 1.61 % ±0.85% ±1.14% ±1.48%
fs/bench-stat-promise.js statType='fstat' n=200000 *** -2.17 % ±0.81% ±1.08% ±1.41%
fs/bench-stat-promise.js statType='lstat' n=200000 *** -2.40 % ±0.90% ±1.20% ±1.56%
fs/bench-stat-promise.js statType='stat' n=200000 *** -1.86 % ±0.98% ±1.30% ±1.70%
fs/readfile.js concurrent=1 len=16777216 encoding='ascii' duration=5 *** 67.59 % ±3.80% ±5.12% ±6.79%
fs/readfile.js concurrent=1 len=16777216 encoding='utf-8' duration=5 *** 11.97 % ±1.09% ±1.46% ±1.93%
fs/writefile-promises.js concurrent=1 size=1024 encodingType='utf' duration=5 0.36 % ±0.56% ±0.75% ±0.97%
➜ state-of-nodejs-performance-2023 (main) node-benchmark-compare compare-fs-18-20.csv ✭ ✱
confidence improvement accuracy (*) (**) (***)
fs/bench-opendir.js bufferSize=1024 mode='async' dir='test/parallel' n=100 *** 3.48 % ±0.22% ±0.30% ±0.39%
fs/bench-opendir.js bufferSize=32 mode='async' dir='test/parallel' n=100 *** 7.86 % ±0.29% ±0.39% ±0.50%
fs/bench-readdir.js withFileTypes='false' dir='test/parallel' n=10 *** 8.69 % ±0.22% ±0.30% ±0.39%
fs/bench-realpath.js pathType='relative' n=10000 *** 5.13 % ±0.97% ±1.29% ±1.69%
fs/bench-stat-promise.js statType='fstat' n=200000 0.70 % ±0.70% ±0.93% ±1.22%
fs/bench-stat-promise.js statType='lstat' n=200000 0.64 % ±0.77% ±1.02% ±1.34%
fs/bench-stat-promise.js statType='stat' n=200000 0.67 % ±0.85% ±1.13% ±1.47%
fs/readfile.js concurrent=1 len=16777216 encoding='ascii' duration=5 *** -27.30 % ±4.27% ±5.75% ±7.63%
fs/readfile.js concurrent=1 len=16777216 encoding='utf-8' duration=5 *** 3.25 % ±0.61% ±0.81% ±1.06%
fs/writefile-promises.js concurrent=1 size=1024 encodingType='utf' duration=5 -0.34 % ±0.54% ±0.72% ±0.94%
➜ state-of-nodejs-performance-2023 (main) node-benchmark-compare compare-fs-16-20.csv ✭ ✱
confidence improvement accuracy (*) (**) (***)
fs/bench-opendir.js bufferSize=1024 mode='async' dir='test/parallel' n=100 *** 2.79 % ±0.26% ±0.35% ±0.46%
fs/bench-opendir.js bufferSize=32 mode='async' dir='test/parallel' n=100 *** 5.41 % ±0.27% ±0.35% ±0.46%
fs/bench-readdir.js withFileTypes='false' dir='test/parallel' n=10 *** 2.19 % ±0.26% ±0.35% ±0.45%
fs/bench-realpath.js pathType='relative' n=10000 *** 6.86 % ±0.94% ±1.26% ±1.64%
fs/bench-stat-promise.js statType='fstat' n=200000 *** -1.67 % ±0.72% ±0.96% ±1.24%
fs/bench-stat-promise.js statType='lstat' n=200000 *** -1.59 % ±0.84% ±1.13% ±1.47%
fs/bench-stat-promise.js statType='stat' n=200000 *** -2.13 % ±0.87% ±1.17% ±1.52%
fs/readfile.js concurrent=1 len=16777216 encoding='ascii' duration=5 *** 21.96 % ±7.96% ±10.63% ±13.92%
fs/readfile.js concurrent=1 len=16777216 encoding='utf-8' duration=5 *** 15.55 % ±1.09% ±1.46% ±1.92%
fs/writefile-promises.js concurrent=1 size=1024 encodingType='utf' duration=5 0.07 % ±0.51% ±0.68% ±0.89%rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-events-16-18.csv
confidence improvement accuracy (*) (**) (***)
events/ee-add-remove.js n=1000000 removeListener=0 newListener=0 *** 5.37 % ±0.42% ±0.56% ±0.74%
events/ee-add-remove.js n=1000000 removeListener=0 newListener=1 *** 6.45 % ±0.70% ±0.93% ±1.21%
events/ee-add-remove.js n=1000000 removeListener=1 newListener=0 *** 3.55 % ±0.56% ±0.75% ±0.98%
events/ee-add-remove.js n=1000000 removeListener=1 newListener=1 *** 7.66 % ±0.70% ±0.93% ±1.22%
events/ee-emit.js listeners=5 argc=2 n=2000000 *** 9.93 % ±1.24% ±1.66% ±2.17%
events/ee-once.js argc=0 n=20000000 *** 7.06 % ±0.46% ±0.62% ±0.80%
events/eventtarget-add-remove.js nListener=10 n=1000000 * 2.18 % ±1.70% ±2.29% ±3.03%
events/eventtarget-add-remove.js nListener=5 n=1000000 1.80 % ±2.88% ±3.86% ±5.08%
events/eventtarget.js listeners=1 n=1000000 *** 14.06 % ±0.51% ±0.68% ±0.88%
events/eventtarget.js listeners=10 n=1000000 *** 10.18 % ±0.28% ±0.37% ±0.49%
events/eventtarget.js listeners=5 n=1000000 *** 13.35 % ±0.24% ±0.32% ±0.42%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-events-18-20.csv
confidence improvement accuracy (*) (**) (***)
events/ee-add-remove.js n=1000000 removeListener=0 newListener=0 *** -5.53 % ±0.44% ±0.59% ±0.77%
events/ee-add-remove.js n=1000000 removeListener=0 newListener=1 *** -2.70 % ±1.20% ±1.60% ±2.10%
events/ee-add-remove.js n=1000000 removeListener=1 newListener=0 0.89 % ±1.03% ±1.38% ±1.82%
events/ee-add-remove.js n=1000000 removeListener=1 newListener=1 *** -6.01 % ±1.31% ±1.76% ±2.32%
events/ee-emit.js listeners=5 argc=2 n=2000000 ** 1.38 % ±1.01% ±1.35% ±1.75%
events/ee-once.js argc=0 n=20000000 *** -10.96 % ±0.44% ±0.59% ±0.77%
events/eventtarget-add-remove.js nListener=10 n=1000000 0.02 % ±1.44% ±1.93% ±2.52%
events/eventtarget-add-remove.js nListener=5 n=1000000 * 1.79 % ±1.62% ±2.15% ±2.80%
events/eventtarget.js listeners=1 n=1000000 *** 213.60 % ±2.46% ±3.32% ±4.40%
events/eventtarget.js listeners=10 n=1000000 *** 151.44 % ±1.80% ±2.42% ±3.21%
events/eventtarget.js listeners=5 n=1000000 *** 181.52 % ±1.95% ±2.62% ±3.48%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-events-16-20.csv
confidence improvement accuracy (*) (**) (***)
events/ee-add-remove.js n=1000000 removeListener=0 newListener=0 ** -0.45 % ±0.32% ±0.42% ±0.55%
events/ee-add-remove.js n=1000000 removeListener=0 newListener=1 *** 3.41 % ±1.26% ±1.69% ±2.22%
events/ee-add-remove.js n=1000000 removeListener=1 newListener=0 *** 3.92 % ±0.54% ±0.72% ±0.94%
events/ee-add-remove.js n=1000000 removeListener=1 newListener=1 1.39 % ±1.45% ±1.94% ±2.55%
events/ee-emit.js listeners=5 argc=2 n=2000000 *** 11.49 % ±1.37% ±1.83% ±2.38%
events/ee-once.js argc=0 n=20000000 *** -4.35 % ±0.47% ±0.62% ±0.81%
events/eventtarget-add-remove.js nListener=10 n=1000000 *** 3.80 % ±0.83% ±1.11% ±1.46%
events/eventtarget-add-remove.js nListener=5 n=1000000 *** 6.41 % ±1.54% ±2.05% ±2.67%
events/eventtarget.js listeners=1 n=1000000 *** 259.34 % ±2.83% ±3.81% ±5.05%
events/eventtarget.js listeners=10 n=1000000 *** 176.98 % ±1.97% ±2.65% ±3.52%
events/eventtarget.js listeners=5 n=1000000 *** 219.14 % ±2.20% ±2.97% ±3.94%rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-http-16-18.csv
confidence improvement accuracy (*) (**) (***)
http/bench-parser.js n=100000 len=8 *** 2.23 % ±0.57% ±0.76% ±1.00%
http/simple.js duration=10 chunkedEnc=0 c=100 chunks=4 len=1024 type='buffer' benchmarker='test-double-http' *** 8.42 % ±1.36% ±1.82% ±2.36%
http/simple.js duration=10 chunkedEnc=0 c=100 chunks=4 len=1024 type='bytes' benchmarker='test-double-http' *** 8.70 % ±1.17% ±1.56% ±2.03%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-http-18-20.csv
confidence improvement accuracy (*) (**) (***)
http/bench-parser.js n=100000 len=8 *** 11.54 % ±0.65% ±0.87% ±1.13%
http/simple.js duration=10 chunkedEnc=0 c=100 chunks=4 len=1024 type='buffer' benchmarker='test-double-http' *** 96.13 % ±2.71% ±3.64% ±4.78%
http/simple.js duration=10 chunkedEnc=0 c=100 chunks=4 len=1024 type='bytes' benchmarker='test-double-http' *** 92.86 % ±2.55% ±3.42% ±4.51%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-http-16-20.csv
confidence improvement accuracy (*) (**) (***)
http/bench-parser.js n=100000 len=8 *** 14.12 % ±0.55% ±0.74% ±0.96%
http/simple.js duration=10 chunkedEnc=0 c=100 chunks=4 len=1024 type='buffer' benchmarker='test-double-http' *** 112.66 % ±2.92% ±3.91% ±5.15%
http/simple.js duration=10 chunkedEnc=0 c=100 chunks=4 len=1024 type='bytes' benchmarker='test-double-http' *** 108.94 % ±2.82% ±3.78% ±4.97%➜ nodejs-internal-benchmark (main) node-benchmark-compare compare-misc-16-18.csv
confidence improvement accuracy (*) (**) (***)
misc/startup.js count=30 mode='process' script='benchmark/fixtures/require-builtins' *** 12.99 % ±0.14% ±0.19% ±0.25%
misc/startup.js count=30 mode='process' script='test/fixtures/semicolon' *** 5.88 % ±0.15% ±0.20% ±0.26%
misc/startup.js count=30 mode='worker' script='benchmark/fixtures/require-builtins' *** 5.26 % ±0.14% ±0.19% ±0.25%
misc/startup.js count=30 mode='worker' script='test/fixtures/semicolon' *** 3.84 % ±0.15% ±0.21% ±0.27%
misc/trace.js method='trace' n=100000 *** 3.80 % ±2.03% ±2.71% ±3.56%
➜ nodejs-internal-benchmark (main) node-benchmark-compare compare-misc-18-20.csv
confidence improvement accuracy (*) (**) (***)
misc/startup.js count=30 mode='process' script='benchmark/fixtures/require-builtins' *** -4.80 % ±0.13% ±0.18% ±0.23%
misc/startup.js count=30 mode='process' script='test/fixtures/semicolon' *** 27.27 % ±0.22% ±0.29% ±0.38%
misc/startup.js count=30 mode='worker' script='benchmark/fixtures/require-builtins' *** 7.23 % ±0.21% ±0.28% ±0.37%
misc/startup.js count=30 mode='worker' script='test/fixtures/semicolon' *** 31.26 % ±0.33% ±0.44% ±0.58%
misc/trace.js method='trace' n=100000 *** 2.39 % ±1.00% ±1.34% ±1.76%
Updated file saved to compare-misc-16-20.csv
➜ nodejs-internal-benchmark (main) node-benchmark-compare compare-misc-16-20.csv
confidence improvement accuracy (*) (**) (***)
misc/startup.js count=30 mode='process' script='benchmark/fixtures/require-builtins' *** 7.40 % ±0.12% ±0.16% ±0.21%
misc/startup.js count=30 mode='process' script='test/fixtures/semicolon' *** 34.75 % ±0.21% ±0.28% ±0.36%
misc/startup.js count=30 mode='worker' script='benchmark/fixtures/require-builtins' *** 12.79 % ±0.23% ±0.30% ±0.40%
misc/startup.js count=30 mode='worker' script='test/fixtures/semicolon' *** 36.40 % ±0.34% ±0.46% ±0.60%
misc/trace.js method='trace' n=100000 *** 7.05 % ±0.99% ±1.32% ±1.73%rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-module-16-18.csv
confidence improvement accuracy (*) (**) (***)
module/module-require.js n=10000 type='.js' *** 3.86 % ±1.21% ±1.62% ±2.11%
module/module-require.js n=10000 type='.json' *** 8.09 % ±0.65% ±0.87% ±1.13%
module/module-require.js n=10000 type='dir' -0.21 % ±0.57% ±0.76% ±1.00%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-module-18-20.csv
confidence improvement accuracy (*) (**) (***)
module/module-require.js n=10000 type='.js' *** 4.20 % ±0.66% ±0.88% ±1.15%
module/module-require.js n=10000 type='.json' *** 6.58 % ±0.68% ±0.90% ±1.18%
module/module-require.js n=10000 type='dir' *** 9.50 % ±0.63% ±0.84% ±1.09%rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-streams-16-18.csv
confidence improvement accuracy (*) (**) (***)
streams/creation.js kind='duplex' n=50000000 *** -54.92 % ±2.20% ±2.94% ±3.85%
streams/creation.js kind='readable' n=50000000 *** -30.41 % ±0.59% ±0.79% ±1.03%
streams/creation.js kind='transform' n=50000000 * -6.24 % ±5.29% ±7.04% ±9.16%
streams/creation.js kind='writable' n=50000000 *** -28.73 % ±0.83% ±1.11% ±1.47%
streams/destroy.js kind='duplex' n=1000000 0.61 % ±0.79% ±1.05% ±1.36%
streams/destroy.js kind='readable' n=1000000 *** -1.82 % ±0.60% ±0.80% ±1.04%
streams/destroy.js kind='transform' n=1000000 *** 7.96 % ±0.68% ±0.91% ±1.18%
streams/destroy.js kind='writable' n=1000000 *** -3.67 % ±2.10% ±2.79% ±3.63%
streams/pipe.js n=5000000 *** -48.74 % ±0.66% ±0.88% ±1.16%
streams/readable-async-iterator.js sync='no' n=100000 -0.54 % ±0.77% ±1.02% ±1.33%
streams/readable-async-iterator.js sync='yes' n=100000 -0.64 % ±0.81% ±1.08% ±1.41%
streams/readable-from.js n=10000000 0.30 % ±1.46% ±1.96% ±2.59%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-streams-18-20.csv
confidence improvement accuracy (*) (**) (***)
streams/creation.js kind='duplex' n=50000000 *** 12.76 % ±4.30% ±5.73% ±7.47%
streams/creation.js kind='readable' n=50000000 *** 3.48 % ±1.16% ±1.55% ±2.05%
streams/creation.js kind='transform' n=50000000 ** -7.59 % ±5.27% ±7.02% ±9.16%
streams/creation.js kind='writable' n=50000000 *** 4.20 % ±0.87% ±1.16% ±1.53%
streams/destroy.js kind='duplex' n=1000000 *** -6.33 % ±1.08% ±1.43% ±1.87%
streams/destroy.js kind='readable' n=1000000 *** -1.94 % ±0.70% ±0.93% ±1.21%
streams/destroy.js kind='transform' n=1000000 *** -7.44 % ±0.93% ±1.24% ±1.62%
streams/destroy.js kind='writable' n=1000000 0.20 % ±1.89% ±2.52% ±3.29%
streams/pipe.js n=5000000 *** 87.18 % ±2.58% ±3.46% ±4.56%
streams/readable-async-iterator.js sync='no' n=100000 *** 6.14 % ±0.88% ±1.17% ±1.52%
streams/readable-async-iterator.js sync='yes' n=100000 *** 3.47 % ±0.65% ±0.87% ±1.13%
streams/readable-from.js n=10000000 -1.10 % ±2.25% ±3.01% ±3.94%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-streams-16-20.csv
confidence improvement accuracy (*) (**) (***)
streams/creation.js kind='duplex' n=50000000 *** -49.90 % ±2.43% ±3.23% ±4.21%
streams/creation.js kind='readable' n=50000000 *** -27.69 % ±0.92% ±1.23% ±1.60%
streams/creation.js kind='transform' n=50000000 *** -15.23 % ±4.60% ±6.13% ±7.99%
streams/creation.js kind='writable' n=50000000 *** -25.72 % ±0.97% ±1.29% ±1.68%
streams/destroy.js kind='duplex' n=1000000 *** -5.62 % ±1.05% ±1.40% ±1.83%
streams/destroy.js kind='readable' n=1000000 *** -3.73 % ±0.69% ±0.92% ±1.19%
streams/destroy.js kind='transform' n=1000000 -0.58 % ±0.76% ±1.01% ±1.31%
streams/destroy.js kind='writable' n=1000000 *** -3.33 % ±1.81% ±2.42% ±3.16%
streams/pipe.js n=5000000 *** -3.74 % ±1.40% ±1.88% ±2.46%
streams/readable-async-iterator.js sync='no' n=100000 *** 6.09 % ±0.76% ±1.01% ±1.32%
streams/readable-async-iterator.js sync='yes' n=100000 *** 2.57 % ±0.73% ±0.98% ±1.27%
streams/readable-from.js n=10000000 -0.28 % ±2.08% ±2.79% ±3.69%rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-url-16-18.csv
confidence improvement accuracy (*) (**) (***)
url/legacy-url-parse.js e=1 type='auth' *** 24.11 % ±1.40% ±1.87% ±2.47%
url/legacy-url-parse.js e=1 type='dot' *** 45.45 % ±2.19% ±2.94% ±3.89%
url/legacy-url-parse.js e=1 type='file' *** 75.36 % ±2.73% ±3.64% ±4.76%
url/legacy-url-parse.js e=1 type='idn' *** 55.69 % ±1.59% ±2.13% ±2.80%
url/legacy-url-parse.js e=1 type='javascript' *** 50.63 % ±4.26% ±5.72% ±7.55%
url/legacy-url-parse.js e=1 type='long' ** 6.15 % ±4.38% ±5.85% ±7.65%
url/legacy-url-parse.js e=1 type='percent' *** 62.52 % ±0.73% ±0.98% ±1.28%
url/legacy-url-parse.js e=1 type='short' *** 49.30 % ±2.15% ±2.89% ±3.83%
url/legacy-url-parse.js e=1 type='wpt' *** 37.89 % ±2.17% ±2.88% ±3.75%
url/legacy-url-parse.js e=1 type='ws' *** 18.81 % ±3.71% ±4.94% ±6.44%
url/url-parse.js n=10000000 type='escaped' *** -5.09 % ±1.19% ±1.59% ±2.10%
url/url-parse.js n=10000000 type='normal' *** -10.54 % ±2.54% ±3.38% ±4.40%
url/url-resolve.js n=100000 path='down' href='auth' * -1.05 % ±0.91% ±1.23% ±1.62%
url/url-resolve.js n=100000 path='down' href='dot' *** -1.87 % ±0.75% ±1.00% ±1.31%
url/url-resolve.js n=100000 path='down' href='file' *** 9.97 % ±0.43% ±0.58% ±0.76%
url/url-resolve.js n=100000 path='down' href='idn' *** -2.84 % ±0.85% ±1.13% ±1.47%
url/url-resolve.js n=100000 path='down' href='javascript' *** -2.31 % ±0.91% ±1.21% ±1.59%
url/url-resolve.js n=100000 path='down' href='long' *** -0.92 % ±0.30% ±0.39% ±0.51%
url/url-resolve.js n=100000 path='down' href='noscheme' ** -0.62 % ±0.46% ±0.61% ±0.79%
url/url-resolve.js n=100000 path='down' href='percent' *** 9.52 % ±0.42% ±0.56% ±0.73%
url/url-resolve.js n=100000 path='down' href='short' *** -3.19 % ±0.92% ±1.22% ±1.59%
url/url-resolve.js n=100000 path='down' href='ws' *** -2.69 % ±0.56% ±0.74% ±0.97%
url/url-resolve.js n=100000 path='foo/bar' href='auth' *** -3.53 % ±0.60% ±0.80% ±1.05%
url/url-resolve.js n=100000 path='foo/bar' href='dot' *** -3.51 % ±0.79% ±1.05% ±1.37%
url/url-resolve.js n=100000 path='foo/bar' href='file' *** 9.47 % ±0.42% ±0.56% ±0.74%
url/url-resolve.js n=100000 path='foo/bar' href='idn' *** -3.64 % ±0.62% ±0.82% ±1.07%
url/url-resolve.js n=100000 path='foo/bar' href='javascript' *** -5.26 % ±0.68% ±0.90% ±1.18%
url/url-resolve.js n=100000 path='foo/bar' href='long' *** 0.92 % ±0.40% ±0.53% ±0.69%
url/url-resolve.js n=100000 path='foo/bar' href='noscheme' 0.22 % ±0.70% ±0.93% ±1.21%
url/url-resolve.js n=100000 path='foo/bar' href='percent' *** 8.00 % ±0.68% ±0.91% ±1.19%
url/url-resolve.js n=100000 path='foo/bar' href='short' *** -4.51 % ±0.70% ±0.93% ±1.22%
url/url-resolve.js n=100000 path='foo/bar' href='ws' *** -4.82 % ±0.56% ±0.75% ±0.99%
url/url-resolve.js n=100000 path='sibling' href='auth' *** -1.65 % ±0.71% ±0.95% ±1.24%
url/url-resolve.js n=100000 path='sibling' href='dot' ** -1.03 % ±0.75% ±1.00% ±1.32%
url/url-resolve.js n=100000 path='sibling' href='file' *** 9.37 % ±0.39% ±0.52% ±0.68%
url/url-resolve.js n=100000 path='sibling' href='idn' *** -3.25 % ±0.74% ±0.99% ±1.29%
url/url-resolve.js n=100000 path='sibling' href='javascript' *** -1.72 % ±0.62% ±0.82% ±1.08%
url/url-resolve.js n=100000 path='sibling' href='long' *** 1.77 % ±0.38% ±0.50% ±0.66%
url/url-resolve.js n=100000 path='sibling' href='noscheme' -0.60 % ±0.61% ±0.81% ±1.06%
url/url-resolve.js n=100000 path='sibling' href='percent' *** 9.96 % ±0.42% ±0.57% ±0.74%
url/url-resolve.js n=100000 path='sibling' href='short' *** -1.50 % ±0.75% ±1.00% ±1.31%
url/url-resolve.js n=100000 path='sibling' href='ws' *** -1.78 % ±0.59% ±0.78% ±1.02%
url/url-resolve.js n=100000 path='up' href='auth' *** -3.35 % ±0.72% ±0.96% ±1.25%
url/url-resolve.js n=100000 path='up' href='dot' *** -0.92 % ±0.43% ±0.58% ±0.75%
url/url-resolve.js n=100000 path='up' href='file' *** 7.02 % ±0.39% ±0.51% ±0.67%
url/url-resolve.js n=100000 path='up' href='idn' *** -3.61 % ±0.61% ±0.82% ±1.07%
url/url-resolve.js n=100000 path='up' href='javascript' *** -4.30 % ±0.81% ±1.08% ±1.41%
url/url-resolve.js n=100000 path='up' href='long' * 0.51 % ±0.47% ±0.63% ±0.81%
url/url-resolve.js n=100000 path='up' href='noscheme' *** -1.54 % ±0.51% ±0.69% ±0.90%
url/url-resolve.js n=100000 path='up' href='percent' *** 7.80 % ±0.62% ±0.83% ±1.09%
url/url-resolve.js n=100000 path='up' href='short' *** -1.99 % ±0.64% ±0.86% ±1.12%
url/url-resolve.js n=100000 path='up' href='ws' *** -1.65 % ±0.56% ±0.75% ±0.98%
url/url-resolve.js n=100000 path='withscheme' href='auth' *** -4.74 % ±0.42% ±0.56% ±0.73%
url/url-resolve.js n=100000 path='withscheme' href='dot' *** -6.83 % ±1.11% ±1.48% ±1.92%
url/url-resolve.js n=100000 path='withscheme' href='file' *** 5.38 % ±0.59% ±0.79% ±1.03%
url/url-resolve.js n=100000 path='withscheme' href='idn' *** -4.73 % ±0.59% ±0.79% ±1.03%
url/url-resolve.js n=100000 path='withscheme' href='javascript' *** -5.16 % ±0.96% ±1.28% ±1.69%
url/url-resolve.js n=100000 path='withscheme' href='long' *** -3.61 % ±0.63% ±0.84% ±1.10%
url/url-resolve.js n=100000 path='withscheme' href='noscheme' *** -5.83 % ±0.45% ±0.59% ±0.77%
url/url-resolve.js n=100000 path='withscheme' href='percent' *** 5.61 % ±0.77% ±1.03% ±1.34%
url/url-resolve.js n=100000 path='withscheme' href='short' *** -6.64 % ±0.55% ±0.73% ±0.95%
url/url-resolve.js n=100000 path='withscheme' href='ws' *** -6.92 % ±0.50% ±0.67% ±0.87%
url/whatwg-url-parse.js e=1 type='auth' withBase='false' *** 3.28 % ±0.89% ±1.19% ±1.55%
url/whatwg-url-parse.js e=1 type='auth' withBase='true' *** 83.91 % ±1.14% ±1.53% ±2.01%
url/whatwg-url-parse.js e=1 type='dot' withBase='false' *** 59.81 % ±0.97% ±1.29% ±1.69%
url/whatwg-url-parse.js e=1 type='dot' withBase='true' *** 198.01 % ±1.69% ±2.26% ±2.97%
url/whatwg-url-parse.js e=1 type='file' withBase='false' *** 17.06 % ±1.02% ±1.36% ±1.77%
url/whatwg-url-parse.js e=1 type='file' withBase='true' *** 159.90 % ±1.98% ±2.67% ±3.53%
url/whatwg-url-parse.js e=1 type='idn' withBase='false' *** 28.46 % ±0.97% ±1.30% ±1.71%
url/whatwg-url-parse.js e=1 type='idn' withBase='true' *** 134.64 % ±1.25% ±1.68% ±2.20%
url/whatwg-url-parse.js e=1 type='javascript' withBase='false' *** 16.76 % ±0.93% ±1.23% ±1.61%
url/whatwg-url-parse.js e=1 type='javascript' withBase='true' *** 169.94 % ±1.98% ±2.66% ±3.51%
url/whatwg-url-parse.js e=1 type='long' withBase='false' *** 70.69 % ±1.08% ±1.44% ±1.88%
url/whatwg-url-parse.js e=1 type='long' withBase='true' *** 114.66 % ±1.62% ±2.18% ±2.89%
url/whatwg-url-parse.js e=1 type='percent' withBase='false' *** 32.81 % ±1.01% ±1.34% ±1.74%
url/whatwg-url-parse.js e=1 type='percent' withBase='true' *** 151.85 % ±1.53% ±2.04% ±2.67%
url/whatwg-url-parse.js e=1 type='short' withBase='false' *** 59.16 % ±1.59% ±2.12% ±2.77%
url/whatwg-url-parse.js e=1 type='short' withBase='true' *** 202.12 % ±1.99% ±2.68% ±3.54%
url/whatwg-url-parse.js e=1 type='wpt' withBase='false' *** 23.16 % ±1.15% ±1.54% ±2.01%
url/whatwg-url-parse.js e=1 type='wpt' withBase='true' *** 116.30 % ±0.65% ±0.87% ±1.15%
url/whatwg-url-parse.js e=1 type='ws' withBase='false' *** 36.09 % ±1.16% ±1.54% ±2.01%
url/whatwg-url-parse.js e=1 type='ws' withBase='true' *** 160.39 % ±2.07% ±2.78% ±3.67%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-url-18-20.csv
confidence improvement accuracy (*) (**) (***)
url/legacy-url-parse.js e=1 type='auth' *** -32.82 % ±1.50% ±2.00% ±2.60%
url/legacy-url-parse.js e=1 type='dot' *** -28.57 % ±2.09% ±2.82% ±3.74%
url/legacy-url-parse.js e=1 type='file' *** -16.42 % ±2.70% ±3.59% ±4.69%
url/legacy-url-parse.js e=1 type='idn' *** -28.80 % ±0.82% ±1.10% ±1.43%
url/legacy-url-parse.js e=1 type='javascript' 0.84 % ±2.67% ±3.55% ±4.63%
url/legacy-url-parse.js e=1 type='long' 0.16 % ±6.07% ±8.08% ±10.53%
url/legacy-url-parse.js e=1 type='percent' *** -20.59 % ±1.44% ±1.93% ±2.54%
url/legacy-url-parse.js e=1 type='short' *** -23.42 % ±2.54% ±3.39% ±4.45%
url/legacy-url-parse.js e=1 type='wpt' *** 21.06 % ±1.90% ±2.53% ±3.29%
url/legacy-url-parse.js e=1 type='ws' *** -15.00 % ±3.59% ±4.78% ±6.22%
url/url-parse.js n=10000000 type='escaped' *** -2.03 % ±0.81% ±1.08% ±1.42%
url/url-parse.js n=10000000 type='normal' *** -9.40 % ±2.81% ±3.78% ±4.99%
url/url-resolve.js n=100000 path='down' href='auth' ** 1.07 % ±0.76% ±1.02% ±1.34%
url/url-resolve.js n=100000 path='down' href='dot' 0.36 % ±0.67% ±0.89% ±1.17%
url/url-resolve.js n=100000 path='down' href='file' *** 3.37 % ±0.58% ±0.78% ±1.01%
url/url-resolve.js n=100000 path='down' href='idn' *** -4.35 % ±0.80% ±1.06% ±1.40%
url/url-resolve.js n=100000 path='down' href='javascript' *** 5.98 % ±0.69% ±0.92% ±1.20%
url/url-resolve.js n=100000 path='down' href='long' *** -1.09 % ±0.41% ±0.55% ±0.71%
url/url-resolve.js n=100000 path='down' href='noscheme' *** 2.43 % ±0.62% ±0.82% ±1.07%
url/url-resolve.js n=100000 path='down' href='percent' *** 1.28 % ±0.55% ±0.73% ±0.95%
url/url-resolve.js n=100000 path='down' href='short' 0.64 % ±0.70% ±0.93% ±1.23%
url/url-resolve.js n=100000 path='down' href='ws' ** 0.88 % ±0.55% ±0.73% ±0.95%
url/url-resolve.js n=100000 path='foo/bar' href='auth' *** 2.08 % ±0.58% ±0.77% ±1.01%
url/url-resolve.js n=100000 path='foo/bar' href='dot' *** 1.43 % ±0.73% ±0.98% ±1.27%
url/url-resolve.js n=100000 path='foo/bar' href='file' *** 3.65 % ±0.61% ±0.82% ±1.08%
url/url-resolve.js n=100000 path='foo/bar' href='idn' *** -4.06 % ±0.72% ±0.96% ±1.26%
url/url-resolve.js n=100000 path='foo/bar' href='javascript' *** 6.88 % ±1.31% ±1.75% ±2.29%
url/url-resolve.js n=100000 path='foo/bar' href='long' *** -1.05 % ±0.50% ±0.67% ±0.88%
url/url-resolve.js n=100000 path='foo/bar' href='noscheme' *** 2.17 % ±0.55% ±0.73% ±0.95%
url/url-resolve.js n=100000 path='foo/bar' href='percent' *** 2.55 % ±0.65% ±0.87% ±1.15%
url/url-resolve.js n=100000 path='foo/bar' href='short' 0.58 % ±1.10% ±1.47% ±1.91%
url/url-resolve.js n=100000 path='foo/bar' href='ws' -0.63 % ±0.67% ±0.89% ±1.16%
url/url-resolve.js n=100000 path='sibling' href='auth' *** 1.05 % ±0.57% ±0.76% ±1.00%
url/url-resolve.js n=100000 path='sibling' href='dot' 0.53 % ±0.61% ±0.81% ±1.06%
url/url-resolve.js n=100000 path='sibling' href='file' -0.08 % ±0.58% ±0.78% ±1.03%
url/url-resolve.js n=100000 path='sibling' href='idn' *** -3.88 % ±0.71% ±0.95% ±1.25%
url/url-resolve.js n=100000 path='sibling' href='javascript' *** 6.06 % ±0.45% ±0.59% ±0.78%
url/url-resolve.js n=100000 path='sibling' href='long' -0.30 % ±0.45% ±0.60% ±0.79%
url/url-resolve.js n=100000 path='sibling' href='noscheme' *** 3.11 % ±0.58% ±0.77% ±1.01%
url/url-resolve.js n=100000 path='sibling' href='percent' * 0.69 % ±0.53% ±0.70% ±0.92%
url/url-resolve.js n=100000 path='sibling' href='short' *** 2.18 % ±0.75% ±1.00% ±1.30%
url/url-resolve.js n=100000 path='sibling' href='ws' 0.73 % ±0.76% ±1.01% ±1.32%
url/url-resolve.js n=100000 path='up' href='auth' *** 1.21 % ±0.66% ±0.88% ±1.14%
url/url-resolve.js n=100000 path='up' href='dot' *** 1.97 % ±0.90% ±1.20% ±1.57%
url/url-resolve.js n=100000 path='up' href='file' *** 2.90 % ±0.78% ±1.05% ±1.38%
url/url-resolve.js n=100000 path='up' href='idn' *** -4.88 % ±0.49% ±0.65% ±0.85%
url/url-resolve.js n=100000 path='up' href='javascript' *** 4.93 % ±0.54% ±0.72% ±0.94%
url/url-resolve.js n=100000 path='up' href='long' *** -1.19 % ±0.55% ±0.73% ±0.95%
url/url-resolve.js n=100000 path='up' href='noscheme' *** 2.82 % ±0.87% ±1.16% ±1.52%
url/url-resolve.js n=100000 path='up' href='percent' *** 2.66 % ±0.59% ±0.80% ±1.05%
url/url-resolve.js n=100000 path='up' href='short' * 0.79 % ±0.77% ±1.02% ±1.33%
url/url-resolve.js n=100000 path='up' href='ws' -0.05 % ±0.71% ±0.94% ±1.23%
url/url-resolve.js n=100000 path='withscheme' href='auth' *** -2.25 % ±0.83% ±1.10% ±1.44%
url/url-resolve.js n=100000 path='withscheme' href='dot' *** -1.86 % ±0.49% ±0.65% ±0.85%
url/url-resolve.js n=100000 path='withscheme' href='file' *** -1.61 % ±0.67% ±0.90% ±1.17%
url/url-resolve.js n=100000 path='withscheme' href='idn' *** -3.43 % ±0.52% ±0.70% ±0.91%
url/url-resolve.js n=100000 path='withscheme' href='javascript' 0.10 % ±0.65% ±0.87% ±1.13%
url/url-resolve.js n=100000 path='withscheme' href='long' -0.54 % ±0.64% ±0.85% ±1.11%
url/url-resolve.js n=100000 path='withscheme' href='noscheme' *** -2.01 % ±0.79% ±1.06% ±1.38%
url/url-resolve.js n=100000 path='withscheme' href='percent' -0.60 % ±0.68% ±0.91% ±1.19%
url/url-resolve.js n=100000 path='withscheme' href='short' -0.62 % ±0.93% ±1.25% ±1.63%
url/url-resolve.js n=100000 path='withscheme' href='ws' ** -1.43 % ±0.83% ±1.12% ±1.47%
url/whatwg-url-parse.js e=1 type='auth' withBase='false' *** 211.81 % ±5.60% ±7.54% ±10.00%
url/whatwg-url-parse.js e=1 type='auth' withBase='true' *** 190.33 % ±3.77% ±5.07% ±6.72%
url/whatwg-url-parse.js e=1 type='dot' withBase='false' *** 73.08 % ±2.28% ±3.07% ±4.05%
url/whatwg-url-parse.js e=1 type='dot' withBase='true' *** 66.32 % ±2.46% ±3.30% ±4.34%
url/whatwg-url-parse.js e=1 type='file' withBase='false' *** 83.29 % ±2.75% ±3.69% ±4.88%
url/whatwg-url-parse.js e=1 type='file' withBase='true' *** 69.38 % ±2.50% ±3.35% ±4.42%
url/whatwg-url-parse.js e=1 type='idn' withBase='false' *** 60.09 % ±1.38% ±1.85% ±2.43%
url/whatwg-url-parse.js e=1 type='idn' withBase='true' *** 56.91 % ±1.36% ±1.82% ±2.40%
url/whatwg-url-parse.js e=1 type='javascript' withBase='false' *** 67.76 % ±2.43% ±3.26% ±4.31%
url/whatwg-url-parse.js e=1 type='javascript' withBase='true' *** 60.96 % ±2.77% ±3.72% ±4.92%
url/whatwg-url-parse.js e=1 type='long' withBase='false' *** 187.46 % ±4.70% ±6.33% ±8.39%
url/whatwg-url-parse.js e=1 type='long' withBase='true' *** 164.84 % ±5.51% ±7.41% ±9.83%
url/whatwg-url-parse.js e=1 type='percent' withBase='false' *** 84.65 % ±2.77% ±3.72% ±4.92%
url/whatwg-url-parse.js e=1 type='percent' withBase='true' *** 80.06 % ±2.60% ±3.49% ±4.60%
url/whatwg-url-parse.js e=1 type='short' withBase='false' *** 75.56 % ±3.29% ±4.42% ±5.85%
url/whatwg-url-parse.js e=1 type='short' withBase='true' *** 63.45 % ±3.45% ±4.64% ±6.15%
url/whatwg-url-parse.js e=1 type='wpt' withBase='false' *** 173.46 % ±3.89% ±5.23% ±6.93%
url/whatwg-url-parse.js e=1 type='wpt' withBase='true' *** 99.49 % ±7.79% ±10.49% ±13.92%
url/whatwg-url-parse.js e=1 type='ws' withBase='false' *** 95.77 % ±3.05% ±4.10% ±5.42%
url/whatwg-url-parse.js e=1 type='ws' withBase='true' *** 85.66 % ±2.66% ±3.57% ±4.71%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-url-16-20.csv
confidence improvement accuracy (*) (**) (***)
url/legacy-url-parse.js e=1 type='auth' *** -16.25 % ±1.59% ±2.13% ±2.82%
url/legacy-url-parse.js e=1 type='dot' * 3.99 % ±3.65% ±4.86% ±6.34%
url/legacy-url-parse.js e=1 type='file' *** 45.59 % ±4.10% ±5.49% ±7.24%
url/legacy-url-parse.js e=1 type='idn' *** 10.69 % ±1.84% ±2.45% ±3.19%
url/legacy-url-parse.js e=1 type='javascript' *** 51.89 % ±2.82% ±3.77% ±4.95%
url/legacy-url-parse.js e=1 type='long' ** 6.59 % ±4.58% ±6.12% ±8.01%
url/legacy-url-parse.js e=1 type='percent' *** 28.80 % ±2.27% ±3.06% ±4.05%
url/legacy-url-parse.js e=1 type='short' *** 13.32 % ±2.61% ±3.48% ±4.53%
url/legacy-url-parse.js e=1 type='wpt' *** 66.28 % ±2.56% ±3.41% ±4.43%
url/legacy-url-parse.js e=1 type='ws' 1.75 % ±4.01% ±5.34% ±6.96%
url/url-parse.js n=10000000 type='escaped' *** -6.85 % ±1.31% ±1.75% ±2.28%
url/url-parse.js n=10000000 type='normal' *** -16.84 % ±1.79% ±2.39% ±3.14%
url/url-resolve.js n=100000 path='down' href='auth' -0.38 % ±1.11% ±1.48% ±1.93%
url/url-resolve.js n=100000 path='down' href='dot' * -1.03 % ±0.87% ±1.16% ±1.51%
url/url-resolve.js n=100000 path='down' href='file' *** 13.27 % ±0.65% ±0.86% ±1.13%
url/url-resolve.js n=100000 path='down' href='idn' *** -6.83 % ±0.92% ±1.23% ±1.60%
url/url-resolve.js n=100000 path='down' href='javascript' *** 3.79 % ±0.97% ±1.29% ±1.69%
url/url-resolve.js n=100000 path='down' href='long' *** -2.16 % ±0.38% ±0.51% ±0.66%
url/url-resolve.js n=100000 path='down' href='noscheme' *** 1.98 % ±0.57% ±0.77% ±1.00%
url/url-resolve.js n=100000 path='down' href='percent' *** 10.94 % ±0.56% ±0.74% ±0.97%
url/url-resolve.js n=100000 path='down' href='short' *** -2.14 % ±0.90% ±1.19% ±1.56%
url/url-resolve.js n=100000 path='down' href='ws' *** -2.01 % ±0.50% ±0.67% ±0.87%
url/url-resolve.js n=100000 path='foo/bar' href='auth' *** -1.65 % ±0.71% ±0.94% ±1.23%
url/url-resolve.js n=100000 path='foo/bar' href='dot' *** -1.44 % ±0.71% ±0.94% ±1.22%
url/url-resolve.js n=100000 path='foo/bar' href='file' *** 13.15 % ±0.73% ±0.98% ±1.28%
url/url-resolve.js n=100000 path='foo/bar' href='idn' *** -7.36 % ±0.67% ±0.89% ±1.16%
url/url-resolve.js n=100000 path='foo/bar' href='javascript' 0.12 % ±0.77% ±1.02% ±1.33%
url/url-resolve.js n=100000 path='foo/bar' href='long' 0.13 % ±0.55% ±0.73% ±0.96%
url/url-resolve.js n=100000 path='foo/bar' href='noscheme' *** 2.21 % ±0.69% ±0.92% ±1.20%
url/url-resolve.js n=100000 path='foo/bar' href='percent' *** 11.09 % ±0.76% ±1.02% ±1.33%
url/url-resolve.js n=100000 path='foo/bar' href='short' *** -3.68 % ±0.93% ±1.25% ±1.65%
url/url-resolve.js n=100000 path='foo/bar' href='ws' *** -5.39 % ±0.53% ±0.70% ±0.92%
url/url-resolve.js n=100000 path='sibling' href='auth' -0.42 % ±0.63% ±0.83% ±1.09%
url/url-resolve.js n=100000 path='sibling' href='dot' -0.64 % ±0.82% ±1.10% ±1.44%
url/url-resolve.js n=100000 path='sibling' href='file' *** 9.51 % ±0.65% ±0.87% ±1.14%
url/url-resolve.js n=100000 path='sibling' href='idn' *** -6.70 % ±0.77% ±1.03% ±1.34%
url/url-resolve.js n=100000 path='sibling' href='javascript' *** 3.81 % ±0.66% ±0.88% ±1.15%
url/url-resolve.js n=100000 path='sibling' href='long' *** 1.62 % ±0.47% ±0.63% ±0.82%
url/url-resolve.js n=100000 path='sibling' href='noscheme' *** 2.18 % ±0.56% ±0.74% ±0.96%
url/url-resolve.js n=100000 path='sibling' href='percent' *** 10.93 % ±0.55% ±0.74% ±0.97%
url/url-resolve.js n=100000 path='sibling' href='short' 0.29 % ±0.84% ±1.11% ±1.45%
url/url-resolve.js n=100000 path='sibling' href='ws' ** -1.00 % ±0.58% ±0.77% ±1.01%
url/url-resolve.js n=100000 path='up' href='auth' *** -2.15 % ±0.62% ±0.83% ±1.08%
url/url-resolve.js n=100000 path='up' href='dot' 0.60 % ±0.64% ±0.86% ±1.12%
url/url-resolve.js n=100000 path='up' href='file' *** 10.31 % ±0.83% ±1.11% ±1.47%
url/url-resolve.js n=100000 path='up' href='idn' *** -7.80 % ±0.42% ±0.56% ±0.73%
url/url-resolve.js n=100000 path='up' href='javascript' 0.36 % ±0.78% ±1.04% ±1.37%
url/url-resolve.js n=100000 path='up' href='long' ** -0.82 % ±0.53% ±0.70% ±0.91%
url/url-resolve.js n=100000 path='up' href='noscheme' * 0.85 % ±0.80% ±1.06% ±1.38%
url/url-resolve.js n=100000 path='up' href='percent' *** 10.85 % ±0.80% ±1.07% ±1.39%
url/url-resolve.js n=100000 path='up' href='short' ** -0.94 % ±0.70% ±0.93% ±1.21%
url/url-resolve.js n=100000 path='up' href='ws' *** -2.03 % ±0.63% ±0.83% ±1.09%
url/url-resolve.js n=100000 path='withscheme' href='auth' *** -6.73 % ±0.75% ±1.00% ±1.32%
url/url-resolve.js n=100000 path='withscheme' href='dot' *** -7.92 % ±0.78% ±1.05% ±1.37%
url/url-resolve.js n=100000 path='withscheme' href='file' *** 3.19 % ±0.71% ±0.95% ±1.24%
url/url-resolve.js n=100000 path='withscheme' href='idn' *** -7.95 % ±0.54% ±0.72% ±0.94%
url/url-resolve.js n=100000 path='withscheme' href='javascript' *** -5.42 % ±1.04% ±1.39% ±1.81%
url/url-resolve.js n=100000 path='withscheme' href='long' *** -3.66 % ±0.61% ±0.82% ±1.07%
url/url-resolve.js n=100000 path='withscheme' href='noscheme' *** -7.68 % ±0.74% ±0.99% ±1.30%
url/url-resolve.js n=100000 path='withscheme' href='percent' *** 5.37 % ±0.87% ±1.15% ±1.50%
url/url-resolve.js n=100000 path='withscheme' href='short' *** -7.53 % ±0.87% ±1.16% ±1.52%
url/url-resolve.js n=100000 path='withscheme' href='ws' *** -8.38 % ±0.82% ±1.10% ±1.44%
url/whatwg-url-parse.js e=1 type='auth' withBase='false' *** 224.44 % ±5.82% ±7.84% ±10.40%
url/whatwg-url-parse.js e=1 type='auth' withBase='true' *** 435.73 % ±6.86% ±9.25% ±12.28%
url/whatwg-url-parse.js e=1 type='dot' withBase='false' *** 176.29 % ±3.55% ±4.78% ±6.34%
url/whatwg-url-parse.js e=1 type='dot' withBase='true' *** 392.20 % ±6.95% ±9.37% ±12.43%
url/whatwg-url-parse.js e=1 type='file' withBase='false' *** 114.63 % ±3.19% ±4.28% ±5.66%
url/whatwg-url-parse.js e=1 type='file' withBase='true' *** 340.17 % ±6.19% ±8.35% ±11.08%
url/whatwg-url-parse.js e=1 type='idn' withBase='false' *** 106.46 % ±1.70% ±2.28% ±3.02%
url/whatwg-url-parse.js e=1 type='idn' withBase='true' *** 269.01 % ±3.03% ±4.07% ±5.39%
url/whatwg-url-parse.js e=1 type='javascript' withBase='false' *** 95.46 % ±2.84% ±3.81% ±5.03%
url/whatwg-url-parse.js e=1 type='javascript' withBase='true' *** 335.50 % ±7.27% ±9.80% ±13.01%
url/whatwg-url-parse.js e=1 type='long' withBase='false' *** 389.14 % ±7.95% ±10.71% ±14.22%
url/whatwg-url-parse.js e=1 type='long' withBase='true' *** 470.69 % ±11.80% ±15.91% ±21.12%
url/whatwg-url-parse.js e=1 type='percent' withBase='false' *** 144.13 % ±3.64% ±4.89% ±6.48%
url/whatwg-url-parse.js e=1 type='percent' withBase='true' *** 351.80 % ±6.33% ±8.53% ±11.32%
url/whatwg-url-parse.js e=1 type='short' withBase='false' *** 180.01 % ±5.17% ±6.95% ±9.21%
url/whatwg-url-parse.js e=1 type='short' withBase='true' *** 398.35 % ±10.45% ±14.09% ±18.70%
url/whatwg-url-parse.js e=1 type='wpt' withBase='false' *** 235.28 % ±4.72% ±6.36% ±8.43%
url/whatwg-url-parse.js e=1 type='wpt' withBase='true' *** 328.92 % ±16.72% ±22.53% ±29.91%
url/whatwg-url-parse.js e=1 type='ws' withBase='false' *** 166.36 % ±4.11% ±5.53% ±7.32%
url/whatwg-url-parse.js e=1 type='ws' withBase='true' *** 384.47 % ±6.67% ±8.99% ±11.92%rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-buffers-16
-18.csv
confidence improvement accuracy (*) (**) (***)
buffers/buffer-base64-decode.js size=8388608 n=32 *** 0.30 % ±0.17% ±0.23% ±0.30%
buffers/buffer-base64-encode.js n=32 len=67108864 ** -0.33 % ±0.19% ±0.25% ±0.33%
buffers/buffer-compare.js n=1000000 size=16 *** -2.76 % ±0.94% ±1.26% ±1.64%
buffers/buffer-compare.js n=1000000 size=16386 *** 64.55 % ±8.79% ±11.85% ±15.72%
buffers/buffer-compare.js n=1000000 size=4096 *** 123.94 % ±3.53% ±4.73% ±6.23%
buffers/buffer-compare.js n=1000000 size=512 *** 187.61 % ±1.92% ±2.59% ±3.42%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=1 pieces=16 *** -75.09 % ±0.21% ±0.28% ±0.37%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=1 pieces=4 *** -66.81 % ±0.39% ±0.52% ±0.69%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=16 pieces=16 *** -73.79 % ±0.19% ±0.25% ±0.33%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=16 pieces=4 *** -66.91 % ±0.31% ±0.41% ±0.54%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=256 pieces=16 *** -26.79 % ±1.10% ±1.47% ±1.93%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=256 pieces=4 *** -38.99 % ±0.92% ±1.23% ±1.61%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=1 pieces=16 *** -66.06 % ±0.21% ±0.28% ±0.37%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=1 pieces=4 *** -57.72 % ±0.33% ±0.44% ±0.57%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=16 pieces=16 *** -64.88 % ±0.20% ±0.26% ±0.34%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=16 pieces=4 *** -56.53 % ±0.31% ±0.41% ±0.53%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=256 pieces=16 *** -15.52 % ±1.27% ±1.69% ±2.19%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=256 pieces=4 *** -27.89 % ±0.79% ±1.05% ±1.37%
buffers/buffer-from.js n=800000 len=100 source='array' 0.03 % ±0.37% ±0.49% ±0.63%
buffers/buffer-from.js n=800000 len=100 source='arraybuffer-middle' *** 2.24 % ±0.64% ±0.86% ±1.13%
buffers/buffer-from.js n=800000 len=100 source='arraybuffer' *** 3.49 % ±0.36% ±0.49% ±0.63%
buffers/buffer-from.js n=800000 len=100 source='buffer' *** -3.32 % ±0.48% ±0.63% ±0.83%
buffers/buffer-from.js n=800000 len=100 source='object' *** 6.16 % ±0.49% ±0.65% ±0.85%
buffers/buffer-from.js n=800000 len=100 source='string-base64' *** 28.98 % ±0.70% ±0.93% ±1.22%
buffers/buffer-from.js n=800000 len=100 source='string-utf8' *** 23.81 % ±0.52% ±0.69% ±0.90%
buffers/buffer-from.js n=800000 len=100 source='string' *** 24.53 % ±0.61% ±0.82% ±1.07%
buffers/buffer-from.js n=800000 len=100 source='uint16array' *** -14.00 % ±0.38% ±0.51% ±0.66%
buffers/buffer-from.js n=800000 len=100 source='uint8array' *** -3.40 % ±0.49% ±0.66% ±0.86%
buffers/buffer-from.js n=800000 len=2048 source='array' *** 3.89 % ±0.20% ±0.27% ±0.35%
buffers/buffer-from.js n=800000 len=2048 source='arraybuffer-middle' *** 1.56 % ±0.49% ±0.65% ±0.84%
buffers/buffer-from.js n=800000 len=2048 source='arraybuffer' *** 2.72 % ±0.41% ±0.54% ±0.71%
buffers/buffer-from.js n=800000 len=2048 source='buffer' 0.55 % ±0.98% ±1.30% ±1.69%
buffers/buffer-from.js n=800000 len=2048 source='object' *** 5.74 % ±0.58% ±0.78% ±1.02%
buffers/buffer-from.js n=800000 len=2048 source='string-base64' *** 8.15 % ±0.32% ±0.43% ±0.57%
buffers/buffer-from.js n=800000 len=2048 source='string-utf8' *** 21.65 % ±0.56% ±0.74% ±0.96%
buffers/buffer-from.js n=800000 len=2048 source='string' *** 21.79 % ±0.57% ±0.76% ±0.99%
buffers/buffer-from.js n=800000 len=2048 source='uint16array' -0.72 % ±1.05% ±1.40% ±1.83%
buffers/buffer-from.js n=800000 len=2048 source='uint8array' * 1.51 % ±1.15% ±1.53% ±2.00%
buffers/buffer-tojson.js len=0 n=10000 *** 11.36 % ±2.56% ±3.40% ±4.43%
buffers/buffer-tojson.js len=256 n=10000 *** -81.12 % ±1.25% ±1.69% ±2.24%
buffers/buffer-tojson.js len=4096 n=10000 *** -88.39 % ±0.69% ±0.93% ±1.23%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-buffers-18-20.csv
confidence improvement accuracy (*) (**) (***)
buffers/buffer-base64-decode.js size=8388608 n=32 *** 1.66 % ±0.10% ±0.14% ±0.18%
buffers/buffer-base64-encode.js n=32 len=67108864 *** -0.44 % ±0.17% ±0.23% ±0.30%
buffers/buffer-compare.js n=1000000 size=16 *** -3.14 % ±0.82% ±1.09% ±1.41%
buffers/buffer-compare.js n=1000000 size=16386 *** -15.56 % ±5.97% ±7.95% ±10.35%
buffers/buffer-compare.js n=1000000 size=4096 -2.63 % ±3.09% ±4.11% ±5.35%
buffers/buffer-compare.js n=1000000 size=512 *** -6.15 % ±1.28% ±1.71% ±2.24%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=1 pieces=16 *** 300.67 % ±0.71% ±0.95% ±1.24%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=1 pieces=4 *** 212.56 % ±4.81% ±6.47% ±8.58%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=16 pieces=16 *** 287.63 % ±2.47% ±3.32% ±4.40%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=16 pieces=4 *** 216.54 % ±1.24% ±1.66% ±2.17%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=256 pieces=16 *** 38.44 % ±1.04% ±1.38% ±1.80%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=256 pieces=4 *** 91.52 % ±3.26% ±4.38% ±5.80%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=1 pieces=16 *** 192.63 % ±0.56% ±0.74% ±0.97%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=1 pieces=4 *** 157.80 % ±1.52% ±2.02% ±2.64%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=16 pieces=16 *** 188.71 % ±2.33% ±3.12% ±4.10%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=16 pieces=4 *** 151.18 % ±1.13% ±1.50% ±1.96%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=256 pieces=16 *** 20.83 % ±1.29% ±1.72% ±2.25%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=256 pieces=4 *** 59.13 % ±3.18% ±4.28% ±5.65%
buffers/buffer-from.js n=800000 len=100 source='array' *** 3.91 % ±0.50% ±0.66% ±0.87%
buffers/buffer-from.js n=800000 len=100 source='arraybuffer-middle' *** 11.94 % ±0.65% ±0.86% ±1.13%
buffers/buffer-from.js n=800000 len=100 source='arraybuffer' *** 12.49 % ±0.77% ±1.03% ±1.36%
buffers/buffer-from.js n=800000 len=100 source='buffer' *** 7.46 % ±1.21% ±1.62% ±2.12%
buffers/buffer-from.js n=800000 len=100 source='object' *** 12.70 % ±0.84% ±1.12% ±1.47%
buffers/buffer-from.js n=800000 len=100 source='string-base64' *** 2.91 % ±1.40% ±1.88% ±2.46%
buffers/buffer-from.js n=800000 len=100 source='string-utf8' *** 12.97 % ±0.77% ±1.02% ±1.33%
buffers/buffer-from.js n=800000 len=100 source='string' *** 16.61 % ±0.71% ±0.95% ±1.25%
buffers/buffer-from.js n=800000 len=100 source='uint16array' *** 5.64 % ±0.84% ±1.13% ±1.48%
buffers/buffer-from.js n=800000 len=100 source='uint8array' *** 6.75 % ±0.95% ±1.28% ±1.68%
buffers/buffer-from.js n=800000 len=2048 source='array' 0.03 % ±0.33% ±0.43% ±0.56%
buffers/buffer-from.js n=800000 len=2048 source='arraybuffer-middle' *** 11.73 % ±0.55% ±0.74% ±0.96%
buffers/buffer-from.js n=800000 len=2048 source='arraybuffer' *** 12.85 % ±0.55% ±0.73% ±0.96%
buffers/buffer-from.js n=800000 len=2048 source='buffer' *** 7.66 % ±1.28% ±1.70% ±2.21%
buffers/buffer-from.js n=800000 len=2048 source='object' *** 11.96 % ±0.90% ±1.20% ±1.57%
buffers/buffer-from.js n=800000 len=2048 source='string-base64' *** 4.10 % ±0.46% ±0.61% ±0.79%
buffers/buffer-from.js n=800000 len=2048 source='string-utf8' *** -1.30 % ±0.71% ±0.96% ±1.27%
buffers/buffer-from.js n=800000 len=2048 source='string' *** -2.23 % ±0.93% ±1.25% ±1.64%
buffers/buffer-from.js n=800000 len=2048 source='uint16array' *** 6.89 % ±1.44% ±1.91% ±2.49%
buffers/buffer-from.js n=800000 len=2048 source='uint8array' *** 7.74 % ±1.36% ±1.81% ±2.37%
buffers/buffer-tojson.js len=0 n=10000 *** -11.63 % ±2.34% ±3.11% ±4.06%
buffers/buffer-tojson.js len=256 n=10000 *** 482.81 % ±7.02% ±9.42% ±12.42%
buffers/buffer-tojson.js len=4096 n=10000 *** 763.34 % ±5.22% ±7.04% ±9.34%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-buffers-16-20.csv
confidence improvement accuracy (*) (**) (***)
buffers/buffer-base64-decode.js size=8388608 n=32 *** 2.34 % ±0.16% ±0.21% ±0.28%
buffers/buffer-base64-encode.js n=32 len=67108864 *** -0.40 % ±0.19% ±0.25% ±0.33%
buffers/buffer-compare.js n=1000000 size=16 *** -5.65 % ±0.95% ±1.26% ±1.64%
buffers/buffer-compare.js n=1000000 size=16386 *** 46.34 % ±6.78% ±9.13% ±12.12%
buffers/buffer-compare.js n=1000000 size=4096 *** 111.99 % ±4.63% ±6.22% ±8.22%
buffers/buffer-compare.js n=1000000 size=512 *** 171.05 % ±3.44% ±4.63% ±6.13%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=1 pieces=16 -0.07 % ±0.24% ±0.32% ±0.42%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=1 pieces=4 *** 3.44 % ±1.61% ±2.17% ±2.87%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=16 pieces=16 *** 1.86 % ±0.66% ±0.89% ±1.18%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=16 pieces=4 *** 4.84 % ±0.44% ±0.59% ±0.77%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=256 pieces=16 ** 1.52 % ±1.10% ±1.47% ±1.93%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=256 pieces=4 *** 16.13 % ±2.09% ±2.79% ±3.67%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=1 pieces=16 *** -0.50 % ±0.19% ±0.25% ±0.33%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=1 pieces=4 *** 8.80 % ±0.58% ±0.78% ±1.03%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=16 pieces=16 0.70 % ±0.77% ±1.04% ±1.37%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=16 pieces=4 *** 9.41 % ±0.44% ±0.59% ±0.78%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=256 pieces=16 ** 1.80 % ±1.10% ±1.47% ±1.92%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=256 pieces=4 *** 14.88 % ±2.31% ±3.10% ±4.10%
buffers/buffer-from.js n=800000 len=100 source='array' *** 4.28 % ±0.53% ±0.71% ±0.93%
buffers/buffer-from.js n=800000 len=100 source='arraybuffer-middle' *** 14.35 % ±0.81% ±1.07% ±1.40%
buffers/buffer-from.js n=800000 len=100 source='arraybuffer' *** 16.63 % ±0.81% ±1.09% ±1.43%
buffers/buffer-from.js n=800000 len=100 source='buffer' *** 3.94 % ±1.10% ±1.48% ±1.96%
buffers/buffer-from.js n=800000 len=100 source='object' *** 19.32 % ±0.87% ±1.16% ±1.53%
buffers/buffer-from.js n=800000 len=100 source='string-base64' *** 33.59 % ±1.72% ±2.31% ±3.06%
buffers/buffer-from.js n=800000 len=100 source='string-utf8' *** 40.42 % ±0.86% ±1.16% ±1.52%
buffers/buffer-from.js n=800000 len=100 source='string' *** 44.74 % ±0.82% ±1.09% ±1.43%
buffers/buffer-from.js n=800000 len=100 source='uint16array' *** -9.04 % ±0.72% ±0.97% ±1.28%
buffers/buffer-from.js n=800000 len=100 source='uint8array' *** 3.24 % ±0.88% ±1.18% ±1.55%
buffers/buffer-from.js n=800000 len=2048 source='array' *** 3.78 % ±0.29% ±0.39% ±0.51%
buffers/buffer-from.js n=800000 len=2048 source='arraybuffer-middle' *** 13.56 % ±0.59% ±0.78% ±1.02%
buffers/buffer-from.js n=800000 len=2048 source='arraybuffer' *** 15.75 % ±0.58% ±0.77% ±1.01%
buffers/buffer-from.js n=800000 len=2048 source='buffer' *** 8.11 % ±1.20% ±1.61% ±2.09%
buffers/buffer-from.js n=800000 len=2048 source='object' *** 18.44 % ±0.89% ±1.20% ±1.58%
buffers/buffer-from.js n=800000 len=2048 source='string-base64' *** 12.51 % ±0.44% ±0.59% ±0.78%
buffers/buffer-from.js n=800000 len=2048 source='string-utf8' *** 20.03 % ±0.93% ±1.24% ±1.63%
buffers/buffer-from.js n=800000 len=2048 source='string' *** 18.97 % ±1.11% ±1.49% ±1.96%
buffers/buffer-from.js n=800000 len=2048 source='uint16array' *** 5.10 % ±1.12% ±1.50% ±1.96%
buffers/buffer-from.js n=800000 len=2048 source='uint8array' *** 9.05 % ±1.48% ±1.97% ±2.56%
buffers/buffer-tojson.js len=0 n=10000 -1.08 % ±2.73% ±3.63% ±4.73%
buffers/buffer-tojson.js len=256 n=10000 *** 7.90 % ±1.73% ±2.30% ±2.99%
buffers/buffer-tojson.js len=4096 n=10000 0.55 % ±0.90% ±1.19% ±1.55%$ node-benchmark-compare compare-util-16-18.csv
confidence improvement accuracy (*) (**) (***)
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 21.94 % ±0.93% ±1.24% ±1.62%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 24.15 % ±1.72% ±2.30% ±3.01%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' *** 116.94 % ±2.64% ±3.55% ±4.69%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 23.01 % ±1.19% ±1.59% ±2.06%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 22.71 % ±1.04% ±1.39% ±1.81%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' *** 118.79 % ±2.29% ±3.07% ±4.05%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 24.23 % ±1.15% ±1.53% ±2.00%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 22.02 % ±1.69% ±2.26% ±2.97%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' *** 107.42 % ±2.92% ±3.93% ±5.18%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 23.14 % ±1.13% ±1.51% ±1.97%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 23.85 % ±1.83% ±2.43% ±3.17%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' *** 109.17 % ±2.74% ±3.67% ±4.85%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 112.60 % ±2.52% ±3.37% ±4.43%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 112.35 % ±2.40% ±3.21% ±4.21%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 364.44 % ±2.51% ±3.36% ±4.43%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 109.63 % ±2.43% ±3.26% ±4.31%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 111.77 % ±2.73% ±3.66% ±4.83%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 367.74 % ±1.87% ±2.50% ±3.27%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 114.03 % ±1.36% ±1.81% ±2.35%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 110.06 % ±3.61% ±4.85% ±6.40%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' *** 349.57 % ±5.62% ±7.56% ±10.02%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 109.92 % ±2.75% ±3.70% ±4.91%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 107.68 % ±4.01% ±5.39% ±7.14%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' *** 349.32 % ±7.70% ±10.37% ±13.76%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 9.96 % ±0.50% ±0.66% ±0.87%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 9.75 % ±0.56% ±0.75% ±0.97%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 121.96 % ±0.66% ±0.88% ±1.16%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 10.62 % ±1.11% ±1.48% ±1.95%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 10.17 % ±0.52% ±0.69% ±0.90%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' *** 121.34 % ±0.82% ±1.09% ±1.44%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 9.80 % ±0.53% ±0.70% ±0.92%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 9.63 % ±0.57% ±0.75% ±0.99%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** 107.10 % ±0.58% ±0.77% ±1.01%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 10.64 % ±0.35% ±0.46% ±0.60%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 10.54 % ±1.10% ±1.47% ±1.93%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' *** 106.76 % ±0.58% ±0.77% ±1.02%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 15.02 % ±5.63% ±7.53% ±9.89%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 15.67 % ±1.01% ±1.35% ±1.76%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' *** -16.17 % ±5.82% ±7.79% ±10.22%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 17.63 % ±3.75% ±5.03% ±6.63%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 17.02 % ±1.12% ±1.49% ±1.95%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' *** -16.10 % ±6.17% ±8.25% ±10.81%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 124.81 % ±3.59% ±4.83% ±6.39%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 15.77 % ±0.97% ±1.29% ±1.68%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' *** 218.56 % ±2.86% ±3.84% ±5.09%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 127.58 % ±3.54% ±4.76% ±6.31%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 16.02 % ±0.95% ±1.27% ±1.66%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' *** 219.50 % ±3.48% ±4.68% ±6.20%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 67.30 % ±2.84% ±3.81% ±5.01%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 67.42 % ±5.01% ±6.74% ±8.92%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 262.92 % ±5.68% ±7.64% ±10.12%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 68.75 % ±2.56% ±3.43% ±4.50%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 67.36 % ±2.53% ±3.40% ±4.49%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 263.79 % ±5.55% ±7.48% ±9.90%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 70.25 % ±1.30% ±1.73% ±2.25%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 70.44 % ±1.80% ±2.40% ±3.14%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' *** 250.29 % ±7.17% ±9.65% ±12.80%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 68.86 % ±2.47% ±3.30% ±4.32%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 69.64 % ±1.23% ±1.64% ±2.15%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' *** 253.54 % ±6.19% ±8.34% ±11.05%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 37.90 % ±1.09% ±1.46% ±1.90%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 29.37 % ±0.62% ±0.83% ±1.09%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 422.50 % ±2.33% ±3.11% ±4.05%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 39.07 % ±1.19% ±1.59% ±2.09%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 30.13 % ±0.81% ±1.08% ±1.41%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' *** 425.79 % ±2.30% ±3.06% ±3.98%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** -98.27 % ±0.53% ±0.71% ±0.95%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 29.54 % ±1.45% ±1.95% ±2.57%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** -96.22 % ±0.53% ±0.71% ±0.94%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** -98.27 % ±0.60% ±0.81% ±1.08%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 30.13 % ±0.67% ±0.90% ±1.17%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' *** -96.25 % ±0.48% ±0.64% ±0.86%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 24.52 % ±0.76% ±1.01% ±1.31%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 24.02 % ±0.92% ±1.22% ±1.59%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' *** 119.50 % ±2.66% ±3.57% ±4.72%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 23.44 % ±1.38% ±1.85% ±2.44%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 23.76 % ±0.89% ±1.19% ±1.55%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' *** 114.02 % ±2.79% ±3.76% ±4.97%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 23.98 % ±1.18% ±1.57% ±2.04%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 23.93 % ±1.23% ±1.64% ±2.13%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' *** 109.65 % ±2.56% ±3.44% ±4.56%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 24.57 % ±0.90% ±1.20% ±1.56%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 23.67 % ±0.86% ±1.15% ±1.51%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' *** 107.38 % ±2.75% ±3.69% ±4.87%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 109.68 % ±3.12% ±4.20% ±5.55%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 109.51 % ±3.37% ±4.52% ±5.98%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 363.95 % ±5.47% ±7.36% ±9.76%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 112.62 % ±3.47% ±4.65% ±6.12%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 112.55 % ±2.82% ±3.78% ±4.97%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 365.27 % ±2.13% ±2.85% ±3.75%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 110.85 % ±2.66% ±3.57% ±4.72%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 113.19 % ±2.04% ±2.73% ±3.58%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' *** 354.43 % ±6.06% ±8.15% ±10.80%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 111.09 % ±2.31% ±3.10% ±4.09%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 112.40 % ±1.98% ±2.64% ±3.47%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' *** 345.27 % ±8.45% ±11.39% ±15.11%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 10.09 % ±0.63% ±0.84% ±1.10%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 10.28 % ±0.42% ±0.56% ±0.74%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 121.63 % ±0.61% ±0.82% ±1.08%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 10.58 % ±0.48% ±0.65% ±0.84%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 10.20 % ±0.52% ±0.70% ±0.91%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' *** 121.72 % ±0.70% ±0.94% ±1.24%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 10.37 % ±0.47% ±0.63% ±0.83%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 10.37 % ±0.46% ±0.61% ±0.80%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** 107.59 % ±0.61% ±0.81% ±1.07%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 10.31 % ±0.39% ±0.52% ±0.68%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 10.71 % ±0.49% ±0.66% ±0.86%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' *** 107.37 % ±0.64% ±0.86% ±1.13%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=1024 *** -4.39 % ±1.37% ±1.83% ±2.40%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=256 *** -8.11 % ±3.25% ±4.37% ±5.77%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=32 -2.47 % ±2.83% ±3.78% ±4.94%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=8192 0.37 % ±0.71% ±0.95% ±1.25%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=1024 *** -5.01 % ±1.54% ±2.06% ±2.68%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=256 -1.91 % ±2.82% ±3.76% ±4.93%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=32 *** -6.71 % ±1.97% ±2.63% ±3.44%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=8192 *** 0.44 % ±0.17% ±0.23% ±0.30%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=1024 *** -2.65 % ±1.02% ±1.35% ±1.77%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=256 *** -6.18 % ±1.56% ±2.09% ±2.73%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=32 *** -5.98 % ±1.94% ±2.58% ±3.37%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=8192 *** -1.77 % ±0.11% ±0.14% ±0.19%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=1024 *** 76.36 % ±1.17% ±1.57% ±2.08%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=256 *** 93.67 % ±1.14% ±1.51% ±1.97%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=32 *** 123.08 % ±1.59% ±2.12% ±2.77%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=8192 *** 38.52 % ±1.08% ±1.44% ±1.88%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=1024 *** 20.72 % ±0.35% ±0.47% ±0.62%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=256 *** 59.81 % ±0.54% ±0.72% ±0.93%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=32 *** 155.67 % ±1.86% ±2.50% ±3.28%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=8192 *** 3.06 % ±0.05% ±0.07% ±0.10%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=1024 *** 17.33 % ±0.31% ±0.41% ±0.54%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=256 *** 55.13 % ±0.51% ±0.68% ±0.88%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=32 *** 144.82 % ±1.56% ±2.08% ±2.71%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=8192 *** 2.20 % ±0.57% ±0.77% ±1.02%
$ node-benchmark-compare compare-util-18-20.csv
confidence improvement accuracy (*) (**) (***)
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 18.49 % ±1.86% ±2.50% ±3.28%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 18.41 % ±2.68% ±3.57% ±4.65%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' -0.29 % ±1.70% ±2.26% ±2.94%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 16.20 % ±2.45% ±3.26% ±4.25%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 18.54 % ±1.79% ±2.39% ±3.14%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' 0.82 % ±1.70% ±2.26% ±2.94%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 18.24 % ±2.85% ±3.80% ±4.94%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 16.78 % ±1.98% ±2.65% ±3.48%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' -0.65 % ±1.88% ±2.50% ±3.26%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 19.25 % ±2.41% ±3.21% ±4.18%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 17.82 % ±1.76% ±2.36% ±3.10%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' 0.34 % ±1.66% ±2.21% ±2.88%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 24.86 % ±3.28% ±4.40% ±5.81%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 26.36 % ±3.75% ±5.02% ±6.62%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' * 3.22 % ±2.97% ±3.95% ±5.14%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 26.20 % ±3.18% ±4.26% ±5.61%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 24.83 % ±3.11% ±4.17% ±5.50%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' ** 2.97 % ±2.09% ±2.80% ±3.67%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 26.29 % ±3.12% ±4.18% ±5.49%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 25.48 % ±3.38% ±4.52% ±5.92%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' 0.97 % ±1.46% ±1.96% ±2.57%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 26.99 % ±2.81% ±3.76% ±4.95%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 23.26 % ±4.44% ±5.95% ±7.85%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' 0.95 % ±3.17% ±4.22% ±5.50%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 21.03 % ±2.76% ±3.72% ±4.93%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 21.45 % ±2.93% ±3.94% ±5.22%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' 0.60 % ±0.63% ±0.84% ±1.10%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 25.00 % ±1.93% ±2.59% ±3.40%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 22.58 % ±2.09% ±2.81% ±3.72%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' ** 0.82 % ±0.57% ±0.76% ±1.00%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 23.72 % ±3.04% ±4.05% ±5.28%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 21.81 % ±2.21% ±2.98% ±3.94%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' ** 0.73 % ±0.50% ±0.66% ±0.86%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 23.56 % ±2.13% ±2.87% ±3.79%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 22.50 % ±2.17% ±2.91% ±3.86%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' ** 0.64 % ±0.40% ±0.53% ±0.69%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 17.66 % ±5.19% ±6.92% ±9.03%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 17.15 % ±2.94% ±3.95% ±5.22%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' *** 12.63 % ±4.17% ±5.55% ±7.23%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 20.58 % ±5.79% ±7.72% ±10.06%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 18.03 % ±1.85% ±2.47% ±3.25%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' *** 15.96 % ±4.75% ±6.32% ±8.25%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** -7.67 % ±2.12% ±2.83% ±3.69%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 19.06 % ±1.80% ±2.42% ±3.18%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' 0.83 % ±1.16% ±1.55% ±2.02%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** -8.59 % ±2.21% ±2.94% ±3.83%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 16.45 % ±2.27% ±3.05% ±4.01%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' * 1.36 % ±1.25% ±1.66% ±2.18%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 26.56 % ±3.90% ±5.20% ±6.77%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 24.07 % ±3.49% ±4.71% ±6.24%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 3.40 % ±0.79% ±1.05% ±1.37%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 23.54 % ±4.04% ±5.42% ±7.15%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 25.02 % ±3.13% ±4.20% ±5.55%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 3.06 % ±0.68% ±0.91% ±1.18%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 27.16 % ±3.75% ±4.99% ±6.50%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 26.53 % ±2.36% ±3.16% ±4.14%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' 1.04 % ±1.54% ±2.07% ±2.73%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 21.96 % ±4.14% ±5.58% ±7.41%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 27.51 % ±2.69% ±3.60% ±4.71%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' -1.14 % ±2.42% ±3.25% ±4.29%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 25.60 % ±3.06% ±4.08% ±5.31%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 22.36 % ±3.13% ±4.19% ±5.51%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 1.11 % ±0.61% ±0.81% ±1.05%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 21.45 % ±2.54% ±3.39% ±4.44%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 22.81 % ±2.30% ±3.09% ±4.09%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' -0.00 % ±1.60% ±2.15% ±2.84%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 22.48 % ±2.84% ±3.77% ±4.91%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 21.93 % ±2.42% ±3.25% ±4.30%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** 0.65 % ±0.35% ±0.47% ±0.61%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 20.98 % ±2.14% ±2.87% ±3.80%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 23.34 % ±2.01% ±2.70% ±3.57%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' 1.38 % ±1.88% ±2.53% ±3.35%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 19.52 % ±1.86% ±2.48% ±3.26%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 19.07 % ±2.06% ±2.77% ±3.65%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' 0.39 % ±1.58% ±2.11% ±2.74%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 21.28 % ±3.13% ±4.17% ±5.43%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 17.85 % ±2.05% ±2.75% ±3.62%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' 0.67 % ±1.22% ±1.63% ±2.13%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 20.48 % ±2.85% ±3.80% ±4.95%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 17.88 % ±2.07% ±2.77% ±3.65%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' -0.30 % ±1.35% ±1.80% ±2.35%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 18.70 % ±1.78% ±2.38% ±3.13%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 18.87 % ±1.71% ±2.28% ±3.00%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' 0.87 % ±1.39% ±1.84% ±2.40%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 28.25 % ±3.40% ±4.54% ±5.96%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 23.59 % ±4.09% ±5.49% ±7.26%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 3.72 % ±1.71% ±2.29% ±3.02%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 28.46 % ±3.75% ±4.99% ±6.49%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 28.83 % ±1.77% ±2.35% ±3.06%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' * 2.86 % ±2.83% ±3.77% ±4.91%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 28.72 % ±3.53% ±4.70% ±6.13%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 27.26 % ±2.11% ±2.82% ±3.70%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' 0.42 % ±1.46% ±1.96% ±2.59%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 27.16 % ±2.58% ±3.45% ±4.52%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 27.08 % ±4.63% ±6.18% ±8.08%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' 2.06 % ±2.94% ±3.96% ±5.25%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 24.75 % ±2.61% ±3.48% ±4.54%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 21.61 % ±1.80% ±2.42% ±3.21%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' ** 0.73 % ±0.54% ±0.71% ±0.93%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 20.77 % ±3.21% ±4.30% ±5.65%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 22.88 % ±2.61% ±3.49% ±4.58%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' * 0.48 % ±0.46% ±0.61% ±0.80%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 24.28 % ±3.33% ±4.45% ±5.84%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 20.46 % ±3.23% ±4.32% ±5.67%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** 0.85 % ±0.45% ±0.60% ±0.78%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 23.95 % ±2.19% ±2.93% ±3.83%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 21.85 % ±1.88% ±2.53% ±3.34%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' -0.16 % ±1.99% ±2.68% ±3.55%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=1024 * 1.23 % ±1.11% ±1.48% ±1.93%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=256 1.39 % ±1.48% ±1.97% ±2.56%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=32 1.35 % ±2.10% ±2.79% ±3.64%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=8192 *** -9.36 % ±0.43% ±0.57% ±0.74%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=1024 *** 3.53 % ±1.80% ±2.40% ±3.14%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=256 *** 5.57 % ±2.47% ±3.30% ±4.34%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=32 ** 3.51 % ±2.13% ±2.83% ±3.69%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=8192 *** 3.63 % ±0.33% ±0.45% ±0.59%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=1024 *** 2.15 % ±0.79% ±1.05% ±1.38%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=256 ** 2.46 % ±1.56% ±2.08% ±2.74%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=32 *** 3.51 % ±1.65% ±2.20% ±2.86%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=8192 ** 0.10 % ±0.07% ±0.10% ±0.13%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=1024 *** 3.80 % ±0.44% ±0.59% ±0.77%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=256 *** 7.83 % ±0.75% ±0.99% ±1.29%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=32 *** 6.71 % ±0.91% ±1.21% ±1.58%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=8192 * -1.30 % ±1.04% ±1.39% ±1.83%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=1024 *** 1.14 % ±0.13% ±0.18% ±0.23%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=256 *** 2.78 % ±0.33% ±0.44% ±0.57%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=32 *** 1.46 % ±0.84% ±1.12% ±1.46%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=8192 *** 0.97 % ±0.20% ±0.27% ±0.36%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=1024 * 1.06 % ±0.85% ±1.14% ±1.51%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=256 *** -1.15 % ±0.40% ±0.53% ±0.69%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=32 0.85 % ±0.92% ±1.23% ±1.61%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=8192 *** -11.61 % ±1.73% ±2.32% ±3.07%
$ node-benchmark-compare compare-util-16-20.csv
confidence improvement accuracy (*) (**) (***)
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 45.13 % ±2.20% ±2.96% ±3.91%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 45.04 % ±2.50% ±3.33% ±4.33%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' *** 119.01 % ±2.85% ±3.83% ±5.07%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 42.13 % ±2.59% ±3.48% ±4.58%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 45.71 % ±2.11% ±2.83% ±3.72%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' *** 119.36 % ±2.61% ±3.50% ±4.63%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 45.38 % ±2.39% ±3.20% ±4.20%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 43.58 % ±2.37% ±3.17% ±4.18%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' *** 108.40 % ±2.66% ±3.57% ±4.70%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 45.91 % ±2.02% ±2.71% ±3.57%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 45.82 % ±2.35% ±3.13% ±4.09%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' *** 108.47 % ±2.22% ±2.97% ±3.91%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 167.01 % ±6.84% ±9.21% ±12.20%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 167.48 % ±7.62% ±10.26% ±13.60%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 371.29 % ±9.43% ±12.70% ±16.86%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 165.99 % ±6.40% ±8.62% ±11.44%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 165.24 % ±6.31% ±8.50% ±11.28%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 377.91 % ±8.90% ±11.99% ±15.91%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 167.53 % ±6.21% ±8.36% ±11.08%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 166.03 % ±6.57% ±8.85% ±11.72%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' *** 353.31 % ±2.79% ±3.75% ±4.95%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 167.09 % ±5.57% ±7.51% ±9.97%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 161.91 % ±9.09% ±12.25% ±16.25%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' *** 347.65 % ±10.13% ±13.66% ±18.12%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 33.38 % ±3.04% ±4.09% ±5.42%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 33.61 % ±3.21% ±4.32% ±5.73%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 122.96 % ±1.24% ±1.67% ±2.21%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 37.31 % ±2.19% ±2.92% ±3.83%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 34.32 % ±2.26% ±3.04% ±4.03%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' *** 121.84 % ±1.00% ±1.35% ±1.78%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 34.75 % ±2.69% ±3.62% ±4.80%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 33.79 % ±2.41% ±3.25% ±4.31%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** 107.62 % ±0.87% ±1.16% ±1.53%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 35.85 % ±2.31% ±3.11% ±4.13%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 35.56 % ±2.54% ±3.40% ±4.46%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' *** 107.96 % ±0.65% ±0.87% ±1.14%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 37.77 % ±4.06% ±5.41% ±7.06%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 36.02 % ±3.38% ±4.55% ±6.02%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' -5.42 % ±5.77% ±7.73% ±10.15%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 38.76 % ±4.24% ±5.69% ±7.51%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 37.65 % ±2.18% ±2.91% ±3.83%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' -4.19 % ±6.33% ±8.45% ±11.05%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 108.77 % ±2.65% ±3.56% ±4.71%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 37.39 % ±2.07% ±2.78% ±3.66%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' *** 220.69 % ±2.86% ±3.85% ±5.10%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 108.68 % ±3.93% ±5.29% ±7.01%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 35.99 % ±2.60% ±3.49% ±4.60%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' *** 222.86 % ±1.86% ±2.50% ±3.30%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 112.76 % ±5.43% ±7.30% ±9.67%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 111.63 % ±5.99% ±8.07% ±10.69%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 278.61 % ±2.11% ±2.82% ±3.69%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 109.41 % ±6.63% ±8.93% ±11.83%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 111.44 % ±5.16% ±6.94% ±9.20%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 279.78 % ±2.00% ±2.68% ±3.51%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 111.81 % ±4.87% ±6.56% ±8.68%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 115.59 % ±3.93% ±5.26% ±6.92%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' *** 257.25 % ±1.91% ±2.55% ±3.34%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 108.29 % ±7.12% ±9.59% ±12.71%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 113.26 % ±4.09% ±5.51% ±7.29%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' *** 250.62 % ±8.36% ±11.26% ±14.95%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 70.82 % ±2.90% ±3.89% ±5.12%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 57.87 % ±3.83% ±5.16% ±6.84%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 423.80 % ±2.66% ±3.54% ±4.61%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 67.73 % ±3.25% ±4.36% ±5.74%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 59.34 % ±2.99% ±4.02% ±5.31%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' *** 423.24 % ±8.37% ±11.26% ±14.90%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** -97.90 % ±0.53% ±0.71% ±0.95%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 58.52 % ±3.10% ±4.17% ±5.53%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** -96.21 % ±0.53% ±0.71% ±0.94%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** -97.91 % ±0.60% ±0.81% ±1.08%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 60.53 % ±2.57% ±3.47% ±4.59%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' *** -96.24 % ±0.48% ±0.64% ±0.86%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 47.73 % ±2.15% ±2.89% ±3.81%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 47.09 % ±2.47% ±3.33% ±4.40%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' *** 121.86 % ±2.50% ±3.36% ±4.43%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 48.17 % ±2.46% ±3.31% ±4.38%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 45.38 % ±2.45% ±3.29% ±4.35%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' *** 118.21 % ±1.54% ±2.07% ±2.72%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 45.92 % ±2.32% ±3.12% ±4.11%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 45.97 % ±2.59% ±3.47% ±4.57%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' *** 108.22 % ±1.49% ±1.99% ±2.62%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 47.16 % ±2.13% ±2.86% ±3.79%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 46.26 % ±1.96% ±2.64% ±3.49%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' *** 108.44 % ±2.19% ±2.93% ±3.85%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 167.84 % ±6.50% ±8.75% ±11.61%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 161.92 % ±8.46% ±11.39% ±15.11%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 378.66 % ±2.66% ±3.56% ±4.70%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 170.96 % ±5.39% ±7.24% ±9.57%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 174.43 % ±2.80% ±3.75% ±4.93%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 373.13 % ±10.55% ±14.22% ±18.87%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 167.22 % ±4.50% ±6.06% ±8.03%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 171.41 % ±4.12% ±5.54% ±7.33%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' *** 356.30 % ±2.22% ±2.97% ±3.89%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 168.74 % ±4.96% ±6.68% ±8.85%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 166.03 % ±8.47% ±11.41% ±15.14%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' *** 351.98 % ±2.22% ±2.99% ±3.95%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 36.20 % ±2.37% ±3.19% ±4.23%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 33.61 % ±1.96% ±2.64% ±3.50%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 122.58 % ±0.94% ±1.27% ±1.68%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 32.57 % ±3.33% ±4.48% ±5.95%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 34.08 % ±2.65% ±3.57% ±4.73%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' *** 121.32 % ±0.86% ±1.15% ±1.52%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 35.67 % ±3.34% ±4.49% ±5.96%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 31.57 % ±3.26% ±4.40% ±5.84%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** 108.25 % ±0.68% ±0.91% ±1.20%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 35.84 % ±2.14% ±2.88% ±3.82%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 34.00 % ±2.03% ±2.74% ±3.63%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' *** 105.90 % ±4.07% ±5.49% ±7.29%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=1024 *** -2.67 % ±1.40% ±1.86% ±2.44%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=256 *** -6.24 % ±3.33% ±4.46% ±5.88%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=32 -0.59 % ±2.79% ±3.73% ±4.87%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=8192 *** -9.13 % ±0.71% ±0.95% ±1.24%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=1024 -1.87 % ±1.94% ±2.58% ±3.36%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=256 ** 4.88 % ±3.33% ±4.43% ±5.77%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=32 * -2.50 % ±2.20% ±2.93% ±3.82%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=8192 *** 4.16 % ±0.36% ±0.49% ±0.64%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=1024 -0.86 % ±0.93% ±1.24% ±1.63%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=256 *** -4.73 % ±1.92% ±2.55% ±3.32%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=32 ** -2.88 % ±1.87% ±2.50% ±3.26%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=8192 *** -1.61 % ±0.10% ±0.14% ±0.18%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=1024 *** 82.68 % ±0.61% ±0.81% ±1.07%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=256 *** 108.02 % ±1.22% ±1.62% ±2.11%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=32 *** 136.63 % ±1.85% ±2.47% ±3.24%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=8192 *** 35.66 % ±0.88% ±1.17% ±1.52%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=1024 *** 22.17 % ±0.21% ±0.28% ±0.37%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=256 *** 64.09 % ±0.51% ±0.68% ±0.88%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=32 *** 159.51 % ±1.60% ±2.14% ±2.80%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=8192 *** 4.01 % ±0.21% ±0.28% ±0.37%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=1024 *** 17.91 % ±0.27% ±0.36% ±0.47%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=256 *** 53.66 % ±0.58% ±0.77% ±1.00%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=32 *** 146.87 % ±2.06% ±2.76% ±3.62%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=8192 *** -9.48 % ±1.74% ±2.34% ±3.11%- Node.js Common Operations
Repository: https://github.com/RafaelGSS/nodejs-bench-operations.git Commit: 63775b22dba8573194f85ef198635032be04b387
*Action executed in the dedicated host
- HTTP Servers
fastifyexpress
Express
# Replace ./node16 to all Node.js matrix (node16, node18, node20)
./node16 server/express.js
npx autocannon -c 500 -d 120 -W [ -c 50 -d 5 ] http://localhost:3000Fastify
# Replace ./node16 to all Node.js matrix (node16, node18, node20)
./node16 server/fastify.js
npx autocannon -c 500 -d 120 -W [ -c 50 -d 5 ] http://localhost:3000