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go-codec-bench

This is a comparison of different binary and text encodings.

We compare the codecs provided by github.com/ugorji/go/codec package, against other libraries:

github.com/ugorji/go/codec provides:

Other codecs compared include:

Data

The data being serialized is a TestStruc randomly generated values. See values_test.go for the definition of the TestStruc.

Run Benchmarks

See bench.sh for how to download the external libraries which we benchmark against, generate the files for the types when needed, and run the suite of tests.

The 3 suite of benchmarks are

  • CodecSuite
  • XSuite
  • CodecXSuite
# Note that `bench.sh` may be in the codec sub-directory, and should be run from there.

# download the code and all its dependencies
./bench.sh -d

# code-generate files needed for benchmarks against ffjson, easyjson, msgp, etc
./bench.sh -c

# run the full suite of tests (not including external formats)
./bench.sh -s

# Below, see how to just run some specific suite of tests, knowing the right tags and flags ...
# See bench.sh for different iterations

# Run suite of tests in default mode (selectively using unsafe in specific areas)
go test -tags "alltests x" -bench "CodecXSuite" -benchmem 
# Run suite of tests in safe mode (no usage of unsafe)
go test -tags "alltests x codec.safe" -bench "CodecXSuite" -benchmem 
# Run suite of tests in codecgen mode, including all tests which are generated (msgp, ffjson, etc)
go test -tags "alltests x generated" -bench "CodecXGenSuite" -benchmem 

Issues

The following issues are seen currently (11/20/2014):

  • code.google.com/p/cbor/go fails on encoding and decoding the test struct
  • github.com/davecgh/go-xdr/xdr2 fails on encoding and decoding the test struct
  • github.com/Sereal/Sereal/Go/sereal fails on decoding the serialized test struct

Representative Benchmark Results

Please see the benchmarking blog post for detailed representative results.

A snapshot of some results on my Core-i5 2018 Dell Inspiron laptop is below.
Note: errors are truncated, and lines re-arranged, for readability.

What you should notice:

  • Results get better with codecgen, resulting in about 50% performance improvement. Users should carefully weigh the performance improvements against the usability and binary-size increases, as performance is already extremely good without the codecgen path.

See bench.out.txt for representative result from running bench.sh as below, as of 2020-11-11.

  ./bench.sh -z > bench.out.txt

snippet of benchmark output, running without codecgen (2021-02-04)
note that the first 5 are from codes (and the following are from other libraries (as named).

BenchmarkCodecXSuite/options-false.../
Benchmark__Msgpack____Encode-8         	   17764	     67504 ns/op	      24 B/op	       1 allocs/op
Benchmark__Binc_______Encode-8         	   16442	     72011 ns/op	      24 B/op	       1 allocs/op
Benchmark__Simple_____Encode-8         	   17060	     69965 ns/op	      24 B/op	       1 allocs/op
Benchmark__Cbor_______Encode-8         	   16450	     70783 ns/op	      24 B/op	       1 allocs/op
Benchmark__Json_______Encode-8         	    7303	    145232 ns/op	      24 B/op	       1 allocs/op
Benchmark__Std_Json___Encode-8         	    5308	    229397 ns/op	   79216 B/op	     556 allocs/op
Benchmark__Gob________Encode-8         	    7278	    165572 ns/op	  174169 B/op	     683 allocs/op
Benchmark__JsonIter___Encode-8         	    7950	    154060 ns/op	   54437 B/op	      80 allocs/op
Benchmark__Bson_______Encode-8         	    3780	    305520 ns/op	  242263 B/op	    1181 allocs/op
Benchmark__Mgobson____Encode-8         	    3040	    397415 ns/op	  300345 B/op	    1877 allocs/op
Benchmark__VMsgpack___Encode-8         	    5572	    218910 ns/op	  164607 B/op	     360 allocs/op
Benchmark__Fxcbor_____Encode-8         	   10000	    114321 ns/op	   51947 B/op	     400 allocs/op
Benchmark__Sereal_____Encode-8         	    3063	    350328 ns/op	  277718 B/op	    3388 allocs/op

Benchmark__Msgpack____Decode-8         	    8372	    144322 ns/op	   37412 B/op	     315 allocs/op
Benchmark__Binc_______Decode-8         	    8487	    141145 ns/op	   37413 B/op	     315 allocs/op
Benchmark__Simple_____Decode-8         	    8542	    139446 ns/op	   37413 B/op	     315 allocs/op
Benchmark__Cbor_______Decode-8         	    7989	    154240 ns/op	   37414 B/op	     315 allocs/op
Benchmark__Json_______Decode-8         	    2880	    416769 ns/op	   71880 B/op	     592 allocs/op
Benchmark__Std_Json___Decode-8         	    1207	    988487 ns/op	  137146 B/op	    3113 allocs/op
Benchmark__Gob________Decode-8         	    4083	    300238 ns/op	  159394 B/op	    2329 allocs/op
Benchmark__JsonIter___Decode-8         	    2607	    476016 ns/op	  132690 B/op	    2654 allocs/op
Benchmark__Bson_______Decode-8         	    2418	    508113 ns/op	  190987 B/op	    4544 allocs/op
Benchmark__Mgobson____Decode-8         	    2217	    543875 ns/op	  168741 B/op	    6776 allocs/op
Benchmark__VMsgpack___Decode-8         	    3133	    391164 ns/op	  100126 B/op	    2030 allocs/op
Benchmark__Fxcbor_____Decode-8         	    4645	    251379 ns/op	   72515 B/op	    1395 allocs/op
  • snippet of bench.out.txt, running with codecgen (2021-02-04) *
BenchmarkCodecXGenSuite/options-false.../
Benchmark__Msgpack____Encode-8         	   26810	     45254 ns/op	      24 B/op	       1 allocs/op
Benchmark__Binc_______Encode-8         	   25396	     48931 ns/op	      24 B/op	       1 allocs/op
Benchmark__Simple_____Encode-8         	   28516	     46036 ns/op	      24 B/op	       1 allocs/op
Benchmark__Cbor_______Encode-8         	   26923	     44930 ns/op	      24 B/op	       1 allocs/op
Benchmark__Json_______Encode-8         	    9980	    124222 ns/op	      24 B/op	       1 allocs/op
Benchmark__Msgp_______Encode-8         	   36180	     33802 ns/op	       0 B/op	       0 allocs/op
Benchmark__Easyjson___Encode-8         	   10000	    114262 ns/op	   50690 B/op	      12 allocs/op
Benchmark__Ffjson_____Encode-8         	    4051	    299364 ns/op	  128399 B/op	    1121 allocs/op

Benchmark__Msgpack____Decode-8         	   13057	     94631 ns/op	   35909 B/op	     308 allocs/op
Benchmark__Binc_______Decode-8         	   12678	     91177 ns/op	   35909 B/op	     308 allocs/op
Benchmark__Simple_____Decode-8         	   13144	     90958 ns/op	   35910 B/op	     308 allocs/op
Benchmark__Cbor_______Decode-8         	   10000	    102062 ns/op	   35911 B/op	     308 allocs/op
Benchmark__Json_______Decode-8         	    3019	    365442 ns/op	   70469 B/op	     589 allocs/op
Benchmark__Msgp_______Decode-8         	   14877	     79750 ns/op	   68788 B/op	     969 allocs/op
Benchmark__Easyjson___Decode-8         	    3150	    389608 ns/op	   70531 B/op	     475 allocs/op
Benchmark__Ffjson_____Decode-8         	    2758	    435859 ns/op	   95178 B/op	    1290 allocs/op

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Benchmark of go binary and text encodings

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