Skip to content
BranchesTags

Repository files navigation

fork from: https://github.com/mozilla/arewefastyet/tree/master/benchmarks/v8-v7

update

npm run build

npm run update

npm run update:doc

webui: https://ahaoboy.github.io/js-engine-benchmark/

Engine & Runtime (40/45)

name lang repo score platform description
v8 v8.dev

v8-build		 55744
65.4M
852/M		 ✅unix
✅macArm
✅windows		 V8 is Google’s open source high-performance JavaScript and WebAssembly engine
JavaScriptCore JavaScriptCore

jsc-build		 55487
33.7M
1646/M		 ✅unix
✅macArm
✅windows		 JavaScriptCore is the built-in JavaScript engine for WebKit, which implements ECMAScript as in ECMA-262 specification
deno deno

setup-deno		 51862
91.5M
566/M		 ✅unix
✅macArm
✅windows		 A modern runtime for JavaScript and TypeScript
bare bare

bare-build		 49233
43M
1145/M		 ✅unix
✅macArm
❌windows		 Small and modular JavaScript runtime for desktop and mobile
dune dune 49026
64.5M
759/M		 ✅unix
✅macArm
✅windows		 JavascriptA hobby runtime for JavaScript and TypeScript
lo lo

lo-build		 47859
40.7M
1177/M		 ✅unix
❌macArm
❌windows		 it's JavaScript Jim, but not as we know it
bun bun

setup-bun		 47669
76.4M
624/M		 ✅unix
✅macArm
✅windows		 Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
node node

setup-node		 45176
111.8M
404/M		 ✅unix
✅macArm
✅windows		 Node.js JavaScript runtime
ChakraCore ChakraCore

ChakraCore-build		 23811
19.3M
1233/M		 ✅unix
❌macArm
✅windows		 ChakraCore is an open source Javascript engine with a C API
spidermonkey spidermonkey.dev

spidermonkey-build		 23442
40.8M
574/M		 ✅unix
✅macArm
✅windows		 SpiderMonkey is Mozilla’s JavaScript and WebAssembly Engine, used in Firefox
mozjs mozjs

mozjs-cli		 12482
33.2M
375/M		 ✅unix
✅macArm
❌windows		 Rust bindings to SpiderMonkey
graaljs graaljs 11959
180.4M
66/M		 ✅unix
✅macArm
✅windows		 A ECMAScript 2023 compliant JavaScript implementation built on GraalVM. With polyglot language interoperability support. Running Node.js applications!
spiderfire spiderfire

spiderfire-build		 11889
44.7M
266/M		 ✅unix
✅macArm
✅windows		 JavaScript Runtime built with Mozilla's SpiderMonkey Engine
jjs nashorn 2480
0
0/M		 ✅unix
✅macArm
❌windows		 Nashorn engine is an open source implementation of the ECMAScript Edition 5.1 Language Specification
ant ant 2467
12.4M
199/M		 ✅unix
✅macArm
✅windows		 javascript for 🐜's, a tiny runtime with big ambitions
hermes hermes 2213
36M
61/M		 ✅unix
✅macArm
✅windows		 A JavaScript engine optimized for running React Native
quickjs quickjs

quickjs-build		 1648
1M
1612/M		 ✅unix
✅macArm
✅windows		 QuickJS is a small and embeddable Javascript engine. It supports the ES2023 specification including modules, asynchronous generators, proxies and BigInt.
zjs zjs 1580
4.3M
367/M		 ✅unix
✅macArm
✅windows		 A Zig-native JavaScript engine, source-aligned with QuickJS.
llrt llrt 1304
16M
81/M		 ✅unix
✅macArm
✅windows		 LLRT (Low Latency Runtime) is a lightweight JavaScript runtime
goant goant 1275
11.3M
113/M		 ✅unix
✅macArm
✅windows		 A JavaScript engine in pure Go
txiki.js txiki.js

txiki.js-build		 1158
4.1M
284/M		 ✅unix
✅macArm
✅windows		 A tiny JavaScript runtime
quickjs-ng quickjs 1069
1.7M
624/M		 ✅unix
✅macArm
✅windows		 QuickJS, the Next Generation: a mighty JavaScript engine
rquickjs rquickjs

rquickjs-cli		 1056
1.5M
704/M		 ✅unix
✅macArm
✅windows		 High level bindings to the quickjs javascript engine
cyjs CYJS 988
30.9M
31/M		 ✅unix
✅macArm
✅windows		 License friendly QuickJS-NG interpreter for Cython & Python
njs njs

njs-build		 983
1.9M
526/M		 ✅unix
✅macArm
❌windows		 A subset of JavaScript language to use in nginx
ladybird ladybird

ladybird-js-build		 939
43.8M
21/M		 ✅unix
✅macArm
❌windows		 Truly independent web browser
primjs primjs

primjs-build		 933
831.3K
1149/M		 ✅unix
✅macArm
❌windows		 JavaScript Engine Optimized for Lynx
quickjs-emscripten quickjs-emscripten

quickjs-emscripten-cli		 738
0
0/M		 ✅unix
✅macArm
✅windows		 Safely execute untrusted Javascript in your Javascript, and execute synchronous code that uses async functions
duktape duktape

duktape-build		 643
370.4K
1777/M		 ✅unix
✅macArm
✅windows		 embeddable Javascript engine with a focus on portability and compact footprint
lumen lumen 639
11M
58/M		 ✅unix
✅macArm
❌windows		 A from-scratch JavaScript engine in Rust — std only, zero deps, 100% test262 (53,376/53,376)
paserati paserati 572
14.2M
40/M		 ✅unix
✅macArm
✅windows		 TypeScript runtime implementation written in Go. cough
kiesel kiesel

kiesel-build		 481
16.9M
28/M		 ✅unix
✅macArm
✅windows		 A JavaScript engine written in Zig https://kiesel.dev
mujs-one mujs-one 451
685K
674/M		 ✅unix
❌macArm
❌windows		 mujs by c2rust
mujs mujs

mujs-build		 439
378.8K
1186/M		 ✅unix
✅macArm
✅windows		 An embeddable Javascript interpreter in C
ringo ringojs 432
0
0/M		 ✅unix
✅macArm
❌windows		 RingoJS is a JavaScript platform built on the JVM and optimized for server-side applications
goja goja

goja-build		 345
13.2M
26/M		 ✅unix
✅macArm
✅windows		 ECMAScript/JavaScript engine in pure Go
boa boa 317
32.2M
9/M		 ✅unix
✅macArm
❌windows		 Boa is an embeddable and experimental Javascript engine written in Rust. Currently, it has support for some of the language.
es5 es5 314
2.4M
129/M		 ✅unix
✅macArm
✅windows		 A ES5 JavaScript engine written in Rust
xst moddable 295
2M
146/M		 ✅unix
✅macArm
❌windows		 Tools for developers to create truly open IoT products using standard JavaScript on low cost microcontrollers
jint jint

jint-cli		 247
69M
3/M		 ✅unix
✅macArm
✅windows		 Javascript Interpreter for .NET
JerryScript jerryscript

jerryscript-build		 0
454.2K
0/M		 ❌unix
❌macArm
❌windows		 Ultra-lightweight JavaScript engine for the Internet of Things
nova nova 0
0
0/M		 ❌unix
❌macArm
❌windows		 Nova is a JavaScript and WebAssembly engine written in Rust
engine262 engine262 0
0
0/M		 ❌unix
❌macArm
❌windows		 An implementation of ECMA-262 in JavaScript
rhino rhino

rhino-cli		 0
0
0/M		 ❌unix
❌macArm
❌windows		 Rhino is an open-source implementation of JavaScript written entirely in Java
hako hako

hako-cli		 0
0
0/M		 ❌unix
❌macArm
❌windows		 An embeddable, lightweight, secure, high-performance JavaScript engine

bench

9/13/2026, 3:04:35 AM

ubuntu

Engine v8 JavaScriptCore deno bare dune lo bun node ChakraCore spidermonkey mozjs graaljs spiderfire jjs ant hermes quickjs zjs llrt goant txiki.js quickjs-ng rquickjs cyjs njs ladybird primjs quickjs-emscripten duktape lumen paserati kiesel mujs-one mujs ringo goja boa xst JerryScript es5 jint
Version 15.5.0 2.9.6 0.11.3 1.4.3 26.8.2 1.13.0.0.beta 147.0 25.3.4.1 15.0.2c7fef09.3 0.12.0 2026.06.04 zjs.config.v2:compiler=v2,layout=short,repr=tagged,optimize=ReleaseFast,force_gc=off,ownership_audit=off 0.9.0.beta v0.2.1.9a81153 24.12.0 0.16.2 0.9.2 2.99.99 0.1.3.d2bc847 0.9.13 0.4.0.dev 1.3.8 4.0.0 0.22.0 17.9.3 3.0.0 0.1.1 6593acf
Total size 65.4M 33.7M 91.5M 43M 64.5M 40.7M 76.4M 111.8M 19.3M 40.8M 33.2M 180.4M 44.7M 0 12.4M 36M 1M 4.3M 16M 11.3M 4.1M 1.7M 1.5M 30.9M 1.9M 43.8M 831.3K 0 370.4K 11M 14.2M 16.9M 685K 378.8K 0 13.2M 32.2M 2M 454.2K 2.4M 69M
Exe size 931.4K 33.7M 91.5M 43M 64.5M 40.7M 76.4M 111.8M 472.2K 40.8M 33.2M 775.5K 44.7M 0 12.4M 36M 1M 4.3M 16M 11.3M 4.1M 1.7M 1.5M 17.3K 1.9M 43.8M 831.3K 0 370.4K 11M 14.2M 16.9M 685K 378.8K 0 13.2M 32.2M 2M 454.2K 2.4M 69M
Dll size 64.5M 0 0 0 0 0 0 0 18.8M 0 0 179.6M 0 0 0 0 0 0 0 0 0 0 0 30.9M 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Richards 47693 47019 44075 42306 42677 42444 46337 44541 24966 15734 14131 49627 15268 19356 1275 1619 1103 956 902 1582 906 735 731 784 794 821 648 604 383 414 265 314 313 290 168 268 251 85 326 218 137
DeltaBlue 112004 70674 97987 99104 94628 93821 62852 92664 31839 17382 16120 32914 16847 313 2120 1462 978 923 902 1031 921 831 779 838 809 732 699 671 413 487 337 279 445 392 295 327 222 166 328 269 153
Crypto 51430 63015 53915 51974 54064 52875 60572 51427 37836 25132 24747 14578 20177 3050 4385 2145 1379 1309 1102 2798 896 449 889 449 1141 1447 767 593 1101 357 364 340 231 217 210 160 246 400 325 171 128
RayTrace 138896 160726 105522 102266 102710 76145 117510 100343 42771 39515 37073 21904 34523 1542 1280 2375 1955 2088 1889 430 1471 1611 1451 1562 891 1169 1176 652 750 1598 539 438 578 561 716 338 393 523 360 366 335
EarleyBoyer 96333 93554 102680 86527 98677 96671 62847 98787 10030 50627 44539 31455 44952 1345 2923 5076 2633 2267 2547 761 2424 2248 1773 1843 2196 1668 1671 1310 743 872 926 625 604 575 750 641 483 315 559 391
RegExp 13092 18311 12340 10856 11649 10334 16092 11875 8928 10675 9861 1290 10052 680 1549 765 567 641 334 337 301 366 307 325 138 89 306 258 154 247 520 246 255 261 618 242 63 156 378 335
Splay 40542 31887 35139 34120 27405 35449 32743 14294 20169 22654 13112 2364 10382 3305 2186 4205 4360 3740 3452 1988 2703 3439 2765 2608 2589 1677 2068 1692 1550 1927 1706 1320 945 1080 1369 1046 1030 328 301 576
NavierStokes 47785 48874 47838 48330 47245 48478 38842 48578 44476 27427 490 8365 475 16604 9146 2924 2876 2969 1686 6984 1488 1361 1402 1262 1697 2389 1322 983 1253 579 794 1081 632 620 256 262 603 1218 402 203
Score 55744 55487 51862 49233 49026 47859 47669 45176 23811 23442 12482 11959 11889 2480 2467 2213 1648 1580 1304 1275 1158 1069 1056 988 983 939 933 738 643 639 572 481 451 439 432 345 317 295 314 247
Score/MB 852 1646 566 1145 759 1177 624 404 1233 574 375 66 266 199 61 1612 367 81 113 284 624 704 31 526 21 1149 1777 58 40 28 674 1186 26 9 146 129 3
Time(s) 20 20 20 20 20 20 20 20 21 20 29 23 29 36 26 28 31 31 37 42 38 42 41 43 52 61 42 50 58 58 53 63 69 72 73 93 115 118 30 245 115

macos-arm64

Engine JavaScriptCore v8 bun bare deno dune node spidermonkey spiderfire mozjs graaljs lumen ant zjs quickjs hermes quickjs-ng txiki.js llrt goant primjs cyjs jjs rquickjs ladybird njs duktape quickjs-emscripten paserati mujs xst JerryScript kiesel es5 ringo goja boa jint
Version 15.5.31 1.4.3 2.9.6 0.11.3 26.8.2 147.0 25.3.4.1 0.1.3.d2bc847 15.0.2c7fef09.3 zjs.config.v2:compiler=v2,layout=short,repr=tagged,optimize=ReleaseFast,force_gc=off,ownership_audit=off 2026.06.04 0.12.0 0.16.2 24.12.0 0.9.0.beta v0.2.1.9a81153 0.9.2 2.99.99 0.9.13 1.3.8 17.9.3 3.0.0 0.4.0.dev 0.1.1 6593acf 4.0.0 0.22.0
Total size 79.2M 28.8M 60M 32.8M 77.3M 56.5M 101.1M 134.9M 40M 29.8M 175M 8.1M 9.2M 3.9M 950.3K 13.9M 1.1M 3.4M 13.5M 10.8M 1.5M 28.2M 0 1.3M 40.2M 2M 431.4K 0 13.4M 395.5K 1.5M 482.8K 15.9M 2M 0 12.7M 28.6M 75.4M
Exe size 737.1K 28.8M 60M 32.8M 77.3M 56.5M 101.1M 67.5M 40M 29.8M 92.2K 8.1M 9.2M 3.9M 950.3K 7M 1.1M 3.4M 13.5M 10.8M 1.5M 132.5K 0 1.3M 40.2M 1.5M 431.4K 0 13.4M 395.5K 1.5M 482.8K 15.9M 2M 0 12.7M 28.6M 75.4M
Dll size 78.5M 0 0 0 0 0 0 67.5M 0 0 174.9M 0 0 0 0 7M 0 0 0 0 0 28.1M 0 0 0 560.7K 0 0 0 0 0 0 0 0 0 0 0 0
Richards 46983 42426 47421 41971 51128 51026 40382 14463 14474 13394 36181 15275 2376 1218 1331 1187 1166 1243 1077 1573 886 1049 228 973 781 625 459 567 273 354 104 186 320 181 161 219 216 142
DeltaBlue 64253 109908 68029 105425 92810 86165 78628 16933 16153 13197 21971 2153 2737 1164 1238 1018 1150 1239 1139 1206 1051 1067 382 961 721 680 522 625 373 532 196 185 213 246 197 311 213 163
Crypto 73270 59570 65691 56045 48181 41986 48669 24374 20723 19128 23801 14782 5869 1425 1302 1286 1081 1131 869 2407 1479 790 5440 713 1065 967 996 522 399 264 406 223 391 173 112 153 229 135
RayTrace 175969 133420 132902 91981 88947 91833 84877 50023 39515 42803 5920 2795 2044 2804 2855 2238 2564 2030 2399 490 1276 1601 988 1455 1144 794 942 785 504 918 636 262 490 354 631 304 304 315
EarleyBoyer 97283 96011 61146 87085 77363 78388 79455 51932 44456 41786 36553 2288 4954 3066 3720 4617 3101 2919 2966 920 1396 2184 749 1638 1858 1902 977 1319 1026 979 399 656 442 654 580 403 346
RegExp 29850 15168 20588 13869 12663 11693 11898 11740 10494 9922 1386 984 2087 639 510 649 386 296 320 407 261 277 403 236 89 168 201 256 546 326 310 225 462 564 241 75 179
Splay 53197 62960 38741 38782 36321 39287 12276 27554 11604 15431 1944 5346 3416 5175 5655 4176 4270 3305 3900 2797 4034 3139 2741 2290 2380 1246 1728 1976 2021 1416 554 1477 883 891 1080 732 420
NavierStokes 29977 38287 29057 37174 30095 33438 34178 17146 18180 15932 29739 21666 11596 3350 2653 1419 2175 1981 1288 5137 3471 1219 6510 1156 1663 1477 1334 895 835 640 1047 1035 362 177 250 461 199
Score 60532 58114 50135 50104 46478 46104 38862 23271 19248 18668 11601 4940 3657 1930 1906 1674 1592 1454 1367 1365 1316 1160 1122 999 905 814 751 737 611 582 374 483 340 327 323 275 218
Score/MB 764 2019 835 1527 601 816 384 172 481 627 66 607 398 497 2053 120 1390 433 101 126 874 41 755 22 403 1782 45 1507 243 30 167 25 9 2
Time(s) 20 20 20 20 20 20 20 20 20 20 22 23 24 30 31 32 35 38 37 39 40 43 43 44 64 57 51 50 52 59 93 39 64 114 100 99 117 129

windows

Engine v8 JavaScriptCore deno dune bun node ChakraCore spidermonkey spiderfire graaljs ant zjs quickjs hermes goant quickjs-ng llrt cyjs rquickjs quickjs-emscripten paserati mujs duktape txiki.js xst boa kiesel es5 goja jint
Version 15.5.31 2.9.6 0.11.3 1.4.3 26.8.2 1.11.24.0 147.0 25.3.4.1 15.0.2c7fef09.3 zjs.config.v2:compiler=v2,layout=short,repr=tagged,optimize=ReleaseFast,force_gc=off,ownership_audit=off 2026.06.04 0.12.0 v0.2.1.9a81153 0.16.2 0.9.0.beta 0.9.13 1.3.8 2.7.0 24.12.0 0.22.0 0.4.0.dev 0.1.1 6593acf
Total size 65.1M 125.6M 123.9M 94.6M 90.5M 134.2M 15.6M 54.4M 80.8M 188.9M 48.6M 13.1M 8.9M 115.9M 18.6M 13.2M 47.4M 19M 9.2M 0 21.6M 8.2M 8.1M 42.7M 6.5M 52.1M 31.7M 15.4M 20.5M 99.1M
Exe size 32.7M 344.5K 93.1M 61.5M 82.7M 98.9M 334K 34.8M 42.6M 378.5K 13.2M 4.7M 1.1M 3M 11.5M 1.6M 16.4M 103.7K 1.4M 0 14.4M 400.5K 329.5K 4.1M 1.3M 33.5M 23.3M 2.4M 13.3M 68.8M
Dll size 32.4M 125.2M 30.9M 33.2M 7.8M 35.3M 15.3M 19.6M 38.2M 188.5M 35.5M 8.4M 7.9M 112.8M 7.1M 11.6M 31M 18.9M 7.8M 0 7.1M 7.8M 7.8M 38.7M 5.2M 18.6M 8.4M 13M 7.1M 30.3M
Richards 39072 35125 30925 34084 35493 33668 22438 10831 13634 37951 1056 712 758 681 1245 445 513 539 541 383 165 225 188 429 166 149 158 93
DeltaBlue 72320 47585 65781 74535 42388 72908 24199 13733 12840 24087 1486 659 655 608 664 456 444 502 455 405 232 317 241 272 143 191 207 102
Crypto 34553 47210 41382 41639 42884 37742 30625 19798 17681 18860 3751 912 854 765 1885 462 434 448 422 428 271 162 286 407 209 116 98 82
RayTrace 99159 97161 72075 66976 79697 60087 40107 28165 24716 1676 941 1463 1341 950 282 1221 847 738 712 501 348 456 438 142 238 241 194 250
EarleyBoyer 72897 58631 71615 71312 39225 67408 40032 40701 36142 27958 2337 1693 1593 2192 573 1330 1095 1034 951 905 602 544 482 293 354 379 394 287
RegExp 10637 18748 9951 9920 12286 9839 9748 8839 8569 1030 410 424 310 402 248 305 202 161 169 182 388 191 105 59 144 312 192 264
Splay 39865 31781 30828 25906 35194 12776 22369 23722 13829 2909 2140 2991 2554 2279 1526 2298 1487 1264 1239 1307 1303 1084 941 276 923 668 696 404
NavierStokes 36989 37359 38173 38063 38951 38507 33142 21793 21771 7469 7919 2026 1801 989 5148 1083 732 638 628 749 558 449 996 720 678 282 118 146
Score 42709 42173 38754 38613 36846 34072 25744 18773 17047 8075 1755 1133 1032 937 914 763 614 575 557 520 397 358 358 264 280 255 211 175
Score/MB 656 335 312 407 407 253 1649 345 210 42 36 86 115 8 49 57 12 30 60 18 43 44 6 8 16 10 1
Time(s) 20 20 20 20 20 20 20 20 20 25 33 37 41 43 53 48 58 64 63 62 70 87 88 127 135 97 126 149 157

About

ahaoboy.github.io/js-engine-benchmark

Resources

Readme
Activity

Stars

57 stars

Watchers

4 watching

Forks

8 forks
Report repository

Releases

Packages

Used by

Contributors

Languages