Latest performance tests of basic most.js operations.
> uname -a
Darwin Brians-MBP.home 16.3.0 Darwin Kernel Version 16.3.0: Thu Nov 17 20:23:58 PST 2016; root:xnu-3789.31.2~1/RELEASE_X86_64 x86_64
> npm ls
most-perf@0.10.0 /Users/brian/Projects/cujojs/most/test/perf
├── @reactivex/rxjs@5.0.1
├── baconjs@0.7.89
├── benchmark@2.1.0 (git://github.com/bestiejs/benchmark.js.git#308cc4c82df602b21bc7775075d43836969a8b16)
├── highland@2.10.1
├── kefir@3.6.1
├── rx@4.1.0
└── xstream@10.0.0
> node --version
v6.9.2
> npm start
> most-perf@0.10.0 start /Users/brian/Projects/cujojs/most/test/perf
> npm run filter-map-reduce && npm run flatMap && npm run concatMap && npm run merge && npm run merge-nested && npm run zip && npm run scan && npm run slice && npm run skipRepeats
> most-perf@0.10.0 filter-map-reduce /Users/brian/Projects/cujojs/most/test/perf
> node ./filter-map-reduce
filter -> map -> reduce 1000000 integers
-------------------------------------------------------
most 568.23 op/s ± 1.43% (80 samples)
rx 4 1.45 op/s ± 1.48% (12 samples)
rx 5 11.38 op/s ± 1.29% (55 samples)
xstream 18.41 op/s ± 0.91% (81 samples)
kefir 10.36 op/s ± 1.11% (51 samples)
bacon 0.83 op/s ± 1.93% (9 samples)
highland 4.82 op/s ± 1.90% (27 samples)
-------------------------------------------------------
> most-perf@0.10.0 flatMap /Users/brian/Projects/cujojs/most/test/perf
> node ./flatMap.js
flatMap 1000 x 1000 streams
-------------------------------------------------------
most 153.71 op/s ± 1.11% (77 samples)
rx 4 0.75 op/s ± 2.24% (8 samples)
rx 5 27.50 op/s ± 0.96% (64 samples)
xstream 11.99 op/s ± 0.98% (57 samples)
kefir 9.30 op/s ± 1.13% (47 samples)
bacon 0.73 op/s ± 1.29% (8 samples)
highland 0.10 op/s ± 3.44% (5 samples)
-------------------------------------------------------
> most-perf@0.10.0 concatMap /Users/brian/Projects/cujojs/most/test/perf
> node ./concatMap.js
concatMap 1000 x 1000 streams
-------------------------------------------------------
most 103.87 op/s ± 1.24% (77 samples)
rx 4 1.29 op/s ± 11.69% (11 samples)
rx 5 29.58 op/s ± 1.12% (68 samples)
xstream 12.37 op/s ± 0.95% (59 samples)
kefir 10.13 op/s ± 0.99% (50 samples)
bacon 0.70 op/s ± 3.40% (8 samples)
-------------------------------------------------------
> most-perf@0.10.0 merge /Users/brian/Projects/cujojs/most/test/perf
> node ./merge.js
merge 100000 x 10 streams
-------------------------------------------------------
most 315.04 op/s ± 1.62% (79 samples)
rx 4 1.36 op/s ± 1.59% (11 samples)
rx 5 30.42 op/s ± 1.00% (69 samples)
xstream 16.87 op/s ± 1.15% (75 samples)
kefir 11.63 op/s ± 1.75% (56 samples)
bacon 0.74 op/s ± 2.53% (8 samples)
-------------------------------------------------------
> most-perf@0.10.0 merge-nested /Users/brian/Projects/cujojs/most/test/perf
> node ./merge-nested.js
merge nested streams w/depth 2, 5, 10, 100 (10000 items in each stream)
-------------------------------------------------------
most (depth 2) 11914.82 op/s ± 0.81% (79 samples)
most (depth 5) 6218.70 op/s ± 1.12% (78 samples)
most (depth 10) 3524.94 op/s ± 1.19% (81 samples)
most (depth 100) 305.40 op/s ± 1.89% (79 samples)
rx 4 (depth 2) 45.61 op/s ± 1.10% (69 samples)
rx 4 (depth 5) 16.34 op/s ± 0.95% (73 samples)
rx 4 (depth 10) 6.79 op/s ± 2.28% (36 samples)
rx 4 (depth 100) 0.18 op/s ± 2.54% (5 samples)
rx 5 (depth 2) 678.24 op/s ± 1.45% (79 samples)
rx 5 (depth 5) 268.50 op/s ± 2.52% (78 samples)
rx 5 (depth 10) 77.43 op/s ± 5.12% (60 samples)
rx 5 (depth 100) 1.63 op/s ± 5.42% (13 samples)
xstream (depth 2) 373.53 op/s ± 3.37% (61 samples)
xstream (depth 5) 152.53 op/s ± 3.18% (64 samples)
xstream (depth 10) 66.73 op/s ± 2.52% (63 samples)
xstream (depth 100) 1.32 op/s ± 1.01% (11 samples)
kefir (depth 2) 218.64 op/s ± 3.61% (62 samples)
kefir (depth 5) 79.75 op/s ± 2.76% (62 samples)
kefir (depth 10) 31.82 op/s ± 3.25% (72 samples)
kefir (depth 100) 0.47 op/s ± 2.10% (7 samples)
bacon (depth 2) 17.35 op/s ± 3.18% (48 samples)
bacon (depth 5) 7.33 op/s ± 2.98% (38 samples)
bacon (depth 10) 3.34 op/s ± 3.44% (20 samples)
bacon (depth 100) 0.08 op/s ± 3.85% (5 samples)
highland (depth 2) 1.75 op/s ± 13.30% (13 samples)
highland (depth 5) 1.78 op/s ± 9.74% (13 samples)
highland (depth 10) 0.14 op/s ± 2.89% (5 samples)
-------------------------------------------------------
> most-perf@0.10.0 zip /Users/brian/Projects/cujojs/most/test/perf
> node ./zip.js
zip 2 x 100000 integers
-------------------------------------------------------
most 91.66 op/s ± 3.23% (61 samples)
rx 4 2.15 op/s ± 2.07% (15 samples)
rx 5 0.20 op/s ± 1.33% (5 samples)
kefir 0.46 op/s ± 51.48% (7 samples)
bacon 0.10 op/s ± 8.01% (5 samples)
highland 0.06 op/s ± 7.44% (5 samples)
-------------------------------------------------------
> most-perf@0.10.0 scan /Users/brian/Projects/cujojs/most/test/perf
> node ./scan.js
scan -> reduce 1000000 integers
-------------------------------------------------------
most 304.14 op/s ± 1.02% (75 samples)
rx 4 1.19 op/s ± 2.28% (10 samples)
rx 5 10.06 op/s ± 2.30% (50 samples)
xstream 7.87 op/s ± 1.25% (40 samples)
kefir 12.76 op/s ± 2.15% (59 samples)
bacon 0.59 op/s ± 4.14% (7 samples)
highland 4.91 op/s ± 3.29% (27 samples)
-------------------------------------------------------
> most-perf@0.10.0 slice /Users/brian/Projects/cujojs/most/test/perf
> node ./slice.js
skip(n/4) -> take(n/2) 1000000 integers
-------------------------------------------------------
most 101.20 op/s ± 1.77% (65 samples)
rx 4 2.00 op/s ± 1.90% (14 samples)
rx 5 40.24 op/s ± 1.81% (62 samples)
xstream 17.89 op/s ± 2.65% (42 samples)
kefir 9.87 op/s ± 7.09% (51 samples)
bacon 0.84 op/s ± 2.23% (9 samples)
highland 6.17 op/s ± 2.67% (33 samples)
-------------------------------------------------------
> most-perf@0.10.0 skipRepeats /Users/brian/Projects/cujojs/most/test/perf
> node ./skipRepeats.js
skipRepeats -> reduce 2 x 1000000 integers
-------------------------------------------------------
most 327.55 op/s ± 1.01% (76 samples)
rx 4 1.60 op/s ± 1.40% (12 samples)
rx 5 10.71 op/s ± 1.74% (52 samples)
xstream 18.89 op/s ± 1.82% (47 samples)
kefir 10.99 op/s ± 2.19% (53 samples)
bacon 0.73 op/s ± 1.89% (8 samples)
-------------------------------------------------------
> most-perf@0.10.0 switch /Users/brian/Projects/cujojs/most/test/perf
> node ./switch.js
switch 10000 x 1000 streams
-------------------------------------------------------
most 1426.42 op/s ± 1.28% (81 samples)
rx 5 1.65 op/s ± 6.74% (12 samples)
rx 4 95.93 op/s ± 3.47% (72 samples)
xstream 1.32 op/s ± 5.03% (11 samples)
kefir 1.05 op/s ± 1.37% (10 samples)
bacon 0.03 op/s ± 1.75% (5 samples)
-------------------------------------------------------