Programming Language and compiler
Benchmarks

Javascript VS Python benchmarks

Current benchmark data was generated on Wed Jan 22 2025, full log can be found HERE

CONTRIBUTIONS are WELCOME!

[x86_64][4 cores] AMD EPYC 7763 64-Core Processor (Model 1)

* -m in a file name stands for multi-threading or multi-processing

* -i in a file name stands for direct intrinsics usage. (Usage of simd intrinsics via libraries is not counted)

* -ffi in a file name stands for non-stdlib FFI usage

* (You may find time < time(user) + time(sys) for some non-parallelized programs, the overhead is from GC or JIT compiler, which are allowed to take advantage of multi-cores as that's more close to real-world scenarios.)

binarytrees

Input: 18

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1-m.js 950ms 61ms 187.4MB 1437ms 247ms bun 1.1.45
python 1.py 1189ms 1.9ms 95.8MB 1113ms 57ms pypy 3.10.14
javascript 1-m.js 1251ms 9.3ms 276.4MB 2177ms 160ms node 23.6.0
python 1.py timeout 0.0ms 40.9MB 4970ms 17ms cpython 3.13.1
python 1.py timeout 0.0ms 40.6MB 4760ms 227ms pyston 3.8.12

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 95ms 0.8ms 79.4MB 77ms 23ms bun 1.1.45
python 1.py 96ms 2.4ms 68.1MB 67ms 20ms pypy 3.10.14
javascript 1.js 127ms 2.0ms 82.4MB 117ms 33ms node 23.6.0
python 1.py 486ms 19ms 11.9MB 457ms 13ms pyston 3.8.12
python 1.py 705ms 9.2ms 12.6MB 693ms 0ms cpython 3.13.1

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
python 1.py 1197ms 18ms 104.0MB 1157ms 23ms pypy 3.10.14
javascript 1.js 1594ms 14ms 93.6MB 1670ms 63ms node 23.6.0
javascript 1.js 2295ms 49ms 100.5MB 2313ms 70ms bun 1.1.45
python 1.py timeout 0.0ms 21.1MB 4977ms 7ms cpython 3.13.1
python 1.py timeout 0.0ms 17.3MB 4977ms 7ms pyston 3.8.12

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 156ms 1.2ms 76.5MB 137ms 23ms node 23.6.0
javascript 1.js 187ms 1.2ms 86.5MB 203ms 30ms bun 1.1.45
python 1.py 223ms 3.7ms 84.4MB 177ms 27ms pypy 3.10.14
python 1.py 575ms 1.9ms 20.5MB 553ms 7ms cpython 3.13.1
python 1.py 669ms 11ms 16.8MB 647ms 7ms pyston 3.8.12

edigits

Input: 250001

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
python 1.py 246ms 1.1ms 82.8MB 213ms 13ms pypy 3.10.14
javascript 1.js 277ms 0.8ms 67.3MB 293ms 23ms node 23.6.0
python 1.py 362ms 2.1ms 12.7MB 347ms 3ms cpython 3.13.1
javascript 1.js 714ms 5.9ms 77.1MB 693ms 17ms bun 1.1.45
python 1.py 1998ms 4.4ms 9.6MB 1980ms 3ms pyston 3.8.12

Input: 100000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
python 1.py 97ms 0.7ms 62.8MB 63ms 20ms pypy 3.10.14
python 1.py 109ms 3.8ms 12.4MB 100ms 0ms cpython 3.13.1
javascript 1.js 126ms 0.7ms 65.5MB 140ms 17ms node 23.6.0
python 1.py 347ms 2.2ms 8.8MB 333ms 0ms pyston 3.8.12
javascript 1.js 525ms 2.3ms 66.8MB 493ms 23ms bun 1.1.45

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
python 1.py 12ms 1.1ms 7.6MB 0ms 0ms pyston 3.8.12
javascript 1.js 13ms 0.5ms 32.3MB 0ms 10ms bun 1.1.45
python 1.py 14ms 1.2ms 8.5MB 10ms 0ms cpython 3.13.1
python 1.py 28ms 0.6ms 51.0MB 10ms 8ms pypy 3.10.14
javascript 1.js 31ms 0.6ms 52.0MB 14ms 8ms node 23.6.0

http-server

Input: 3000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1-m.bun.js 363ms 16ms 71.3MB 133ms 420ms bun 1.1.45
python 1.py 2089ms 98ms 36.3MB 1090ms 1573ms pyston 3.8.12
python 1.py 2602ms 353ms 33.4MB 1593ms 1583ms cpython 3.13.1
javascript 1.js 3147ms 48ms 195.6MB 2993ms 1487ms node 23.6.0
python 1.py 4715ms 247ms 107.1MB 2877ms 1207ms pypy 3.10.14

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.bun.js 127ms 14ms 54.5MB 30ms 93ms bun 1.1.45
javascript 1.js 382ms 1.7ms 84.8MB 360ms 103ms node 23.6.0
python 1.py 1097ms 19ms 28.7MB 237ms 273ms pyston 3.8.12
python 1.py 1169ms 48ms 28.7MB 317ms 277ms cpython 3.13.1
python 1.py 1648ms 408ms 90.6MB 717ms 220ms pypy 3.10.14

json-serde

Input: sample 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 85ms 1.9ms 68.8MB 57ms 20ms bun 1.1.45
javascript 1.js 111ms 0.8ms 79.0MB 100ms 20ms node 23.6.0
python 1.py 199ms 3.1ms 38.1MB 170ms 13ms pyston 3.8.12
python 1.py 219ms 2.4ms 38.6MB 190ms 10ms cpython 3.13.1
python 1.py 295ms 1.7ms 87.4MB 257ms 23ms pypy 3.10.14

Input: canada 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 360ms 0.4ms 182.1MB 330ms 70ms bun 1.1.45
javascript 1.js 701ms 3.1ms 206.6MB 800ms 90ms node 23.6.0
python 1.py 1828ms 10ms 220.4MB 1650ms 163ms pyston 3.8.12
python 1.py 1906ms 5.8ms 222.2MB 1817ms 73ms pypy 3.10.14
python 1.py 1909ms 11ms 221.8MB 1807ms 87ms cpython 3.13.1

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
python 2.py 146ms 1.1ms 57.9MB 120ms 13ms pypy 3.10.14
python 1.py 181ms 1.4ms 59.5MB 153ms 10ms pypy 3.10.14
javascript 2.js 307ms 1.4ms 66.8MB 297ms 13ms node 23.6.0
javascript 1.js 559ms 2.7ms 64.5MB 543ms 13ms node 23.6.0
javascript 2.js 640ms 0.8ms 127.1MB 687ms 63ms bun 1.1.45
python 1.py 718ms 4.4ms 8.9MB 707ms 0ms pyston 3.8.12
javascript 1.js 826ms 4.8ms 110.7MB 910ms 77ms bun 1.1.45
python 2.py 832ms 3.1ms 8.5MB 817ms 0ms pyston 3.8.12
python 1.py 1101ms 2.8ms 9.3MB 1083ms 0ms cpython 3.13.1
python 2.py 1309ms 4.2ms 9.1MB 1297ms 0ms cpython 3.13.1

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
python 2.py 338ms 1.6ms 58.9MB 313ms 7ms pypy 3.10.14
python 1.py 385ms 6.4ms 60.4MB 353ms 13ms pypy 3.10.14
javascript 2.js 840ms 3.3ms 72.4MB 823ms 17ms node 23.6.0
javascript 1.js 1586ms 6.0ms 71.4MB 1567ms 17ms node 23.6.0
javascript 2.js 1816ms 29ms 122.9MB 1960ms 60ms bun 1.1.45
python 1.py 2127ms 17ms 8.9MB 2110ms 0ms pyston 3.8.12
python 2.py 2489ms 22ms 8.5MB 2473ms 0ms pyston 3.8.12
javascript 1.js 2536ms 140ms 112.1MB 2847ms 137ms bun 1.1.45
python 1.py 3291ms 15ms 9.3MB 3283ms 0ms cpython 3.13.1
python 2.py 3877ms 18ms 9.0MB 3860ms 0ms cpython 3.13.1

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
python 2.py 106ms 2.6ms 57.8MB 83ms 7ms pypy 3.10.14
python 1.py 122ms 2.7ms 58.5MB 103ms 10ms pypy 3.10.14
javascript 1.js 164ms 2.5ms 61.8MB 150ms 7ms node 23.6.0
javascript 2.js 164ms 0.9ms 60.8MB 157ms 10ms node 23.6.0
javascript 1.js 323ms 3.2ms 133.9MB 347ms 83ms bun 1.1.45
python 1.py 345ms 2.4ms 8.5MB 337ms 0ms pyston 3.8.12
javascript 2.js 359ms 16ms 126.8MB 380ms 60ms bun 1.1.45
python 2.py 390ms 1.7ms 8.1MB 377ms 0ms pyston 3.8.12
python 1.py 523ms 7.0ms 9.0MB 510ms 0ms cpython 3.13.1
python 2.py 622ms 5.9ms 8.6MB 607ms 0ms cpython 3.13.1

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1-m.js 485ms 10ms 141.8MB 623ms 127ms bun 1.1.45
javascript 1.js 526ms 3.4ms 134.5MB 583ms 83ms node 23.6.0
python 1.py 2276ms 12ms 209.9MB 2153ms 103ms pypy 3.10.14
python 1.py timeout 0.0ms 93.9MB 4953ms 33ms cpython 3.13.1
python 1.py timeout 0.0ms 130.4MB 4923ms 57ms pyston 3.8.12

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 119ms 1.0ms 87.0MB 107ms 27ms bun 1.1.45
javascript 1.js 157ms 2.1ms 102.3MB 137ms 47ms node 23.6.0
python 1.py 389ms 1.4ms 103.6MB 330ms 43ms pypy 3.10.14
python 1.py 3030ms 33ms 37.1MB 3000ms 17ms cpython 3.13.1
python 1.py timeout 0.0ms 48.9MB 4937ms 47ms pyston 3.8.12

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 6.js 459ms 2.4ms 59.7MB 447ms 7ms node 23.6.0
javascript 6.js 658ms 0.3ms 45.6MB 653ms 7ms bun 1.1.45
python 2.py 1366ms 23ms 59.8MB 1340ms 10ms pypy 3.10.14
python 1.py 2633ms 17ms 56.6MB 2607ms 13ms pypy 3.10.14
python 1.py timeout 0.0ms 8.6MB 4983ms 3ms cpython 3.13.1
python 2.py timeout 0.0ms 8.8MB 4990ms 0ms cpython 3.13.1
python 1.py timeout 0.0ms 8.3MB 4983ms 3ms pyston 3.8.12
python 2.py timeout 0.0ms 8.1MB 4987ms 0ms pyston 3.8.12

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 6.js 77ms 1.0ms 59.8MB 60ms 10ms node 23.6.0
javascript 6.js 85ms 2.1ms 45.4MB 83ms 3ms bun 1.1.45
python 2.py 177ms 2.3ms 57.6MB 150ms 13ms pypy 3.10.14
python 1.py 306ms 2.6ms 56.6MB 280ms 10ms pypy 3.10.14
python 1.py 921ms 5.6ms 8.3MB 907ms 0ms pyston 3.8.12
python 2.py 1297ms 37ms 8.3MB 1283ms 0ms pyston 3.8.12
python 1.py 2982ms 117ms 8.6MB 2973ms 0ms cpython 3.13.1
python 2.py 3119ms 42ms 8.8MB 3103ms 0ms cpython 3.13.1

secp256k1

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 2555ms 27ms 63.2MB 2557ms 17ms node 23.6.0
javascript 1.js 2692ms 12ms 84.3MB 2700ms 53ms bun 1.1.45
python 1.py 3144ms 17ms 8.4MB 3130ms 0ms pyston 3.8.12
python 1.py 3691ms 14ms 74.6MB 3657ms 17ms pypy 3.10.14
python 1.py 3791ms 31ms 8.8MB 3773ms 0ms cpython 3.13.1

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 675ms 1.8ms 61.9MB 673ms 20ms node 23.6.0
javascript 1.js 710ms 3.9ms 83.8MB 703ms 33ms bun 1.1.45
python 1.py 803ms 5.5ms 8.3MB 787ms 0ms pyston 3.8.12
python 1.py 972ms 12ms 8.8MB 957ms 0ms cpython 3.13.1
python 1.py 1037ms 13ms 67.6MB 1010ms 13ms pypy 3.10.14

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
python 4.py 1907ms 9.4ms 8.9MB 1860ms 30ms pyston 3.8.12
python 4.py 1988ms 11ms 9.4MB 1930ms 40ms cpython 3.13.1
python 4.py 2128ms 6.9ms 89.0MB 2090ms 23ms pypy 3.10.14
javascript 3.js 4723ms 215ms 92.1MB 4707ms 20ms node 23.6.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
python 4.py 451ms 1.8ms 8.6MB 440ms 0ms pyston 3.8.12
python 4.py 470ms 4.4ms 9.3MB 457ms 0ms cpython 3.13.1
python 4.py 542ms 7.0ms 83.4MB 507ms 17ms pypy 3.10.14
javascript 3.js 1013ms 23ms 74.3MB 990ms 17ms node 23.6.0

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 6-m.js 2158ms 5.7ms 116.7MB 8230ms 53ms node 23.6.0
python 8.py timeout 0.0ms 16.6MB 63ms 0ms cpython 3.13.1
python 8.py timeout 0.0ms 99.4MB 853ms 167ms pypy 3.10.14
python 8.py timeout 0.0ms 18.1MB 77ms 17ms pyston 3.8.12

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 6-m.js 642ms 4.1ms 114.0MB 2290ms 50ms node 23.6.0
python 8.py timeout 0.0ms 16.5MB 113ms 17ms cpython 3.13.1
python 8.py timeout 0.0ms 99.1MB 1567ms 470ms pypy 3.10.14
python 8.py timeout 0.0ms 17.6MB 137ms 33ms pyston 3.8.12

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 6-m.js 263ms 2.0ms 113.2MB 823ms 40ms node 23.6.0
python 8-m.py 2021ms 18ms 94.9MB 6423ms 333ms pypy 3.10.14
python 8.py timeout 0.0ms 16.1MB 233ms 53ms cpython 3.13.1
python 8.py timeout 0.0ms 15.5MB 447ms 113ms pyston 3.8.12