GitHub - ahaoboy/js-engine-benchmark

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 (38/48)

name	repo	score	platform	description
v8	v8.dev v8-build	43846 69.9M 627/M	✅unix ✅macArm ✅windows	V8 is Google’s open source high-performance JavaScript and WebAssembly engine
bun	bun setup-bun	43018 134.9M 318/M	✅unix ✅macArm ✅windows	Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
deno	deno setup-deno	42536 95.1M 447/M	✅unix ✅macArm ✅windows	A modern runtime for JavaScript and TypeScript
bare	bare bare-build	42180 70.7M 596/M	✅unix ✅macArm ✅windows	Small and modular JavaScript runtime for desktop and mobile
node	node setup-node	41781 122.6M 340/M	✅unix ✅macArm ✅windows	Node.js JavaScript runtime
dune	dune	40165 67.7M 593/M	✅unix ✅macArm ✅windows	JavascriptA hobby runtime for JavaScript and TypeScript
spidermonkey	spidermonkey.dev spidermonkey-build	19470 46.9M 414/M	✅unix ✅macArm ✅windows	SpiderMonkey is Mozilla’s JavaScript and WebAssembly Engine, used in Firefox
mozjs	mozjs mozjs-cli	17744 39.1M 453/M	✅unix ✅macArm ❌windows	Rust bindings to SpiderMonkey
spiderfire	spiderfire spiderfire-build	17068 50.6M 337/M	✅unix ✅macArm ✅windows	JavaScript Runtime built with Mozilla's SpiderMonkey Engine
ladybird	ladybird ladybird-js-build	14113 56.7M 248/M	✅unix ✅macArm ❌windows	Truly independent web browser
graaljs	graaljs	8354 184.6M 45/M	✅unix ✅macArm ✅windows	A ECMAScript 2023 compliant JavaScript implementation built on GraalVM. With polyglot language interoperability support. Running Node.js applications!
ant	ant	4026 12.7M 317/M	✅unix ✅macArm ✅windows	javascript for 🐜's, a tiny runtime with big ambitions
quanta	quanta	3028 12.8M 236/M	✅unix ✅macArm ✅windows	Experimental ECMAScript (js) engine written in C++
jjs	nashorn	2410 0 0/M	✅unix ✅macArm ❌windows	Nashorn engine is an open source implementation of the ECMAScript Edition 5.1 Language Specification
hermes	hermes	1530 36M 42/M	✅unix ✅macArm ✅windows	A JavaScript engine optimized for running React Native
quickjs-oxide	quickjs-oxide	1279 3.1M 417/M	✅unix ✅macArm ✅windows	An independent Rust rewrite of QuickJS targeting semantic feature parity
quickjs	quickjs quickjs-build	1277 5.7M 222/M	✅unix ✅macArm ✅windows	QuickJS is a small and embeddable Javascript engine. It supports the ES2023 specification including modules, asynchronous generators, proxies and BigInt.
llrt	llrt	1046 14.1M 74/M	✅unix ✅macArm ✅windows	LLRT (Low Latency Runtime) is a lightweight JavaScript runtime
goant	goant	966 11.3M 85/M	✅unix ✅macArm ✅windows	A JavaScript engine in pure Go
txiki.js	txiki.js txiki.js-build	819 26.1M 31/M	✅unix ✅macArm ✅windows	A tiny JavaScript runtime
rquickjs	rquickjs rquickjs-cli	767 1.5M 512/M	✅unix ✅macArm ✅windows	High level bindings to the quickjs javascript engine
cyjs	CYJS	756 34.2M 22/M	✅unix ✅macArm ✅windows	License friendly QuickJS-NG interpreter for Cython & Python
primjs	primjs primjs-build	715 6.6M 107/M	✅unix ✅macArm ❌windows	JavaScript Engine Optimized for Lynx
quickjs-ng	quickjs	639 1.8M 359/M	✅unix ✅macArm ✅windows	QuickJS, the Next Generation: a mighty JavaScript engine
quickjs-emscripten	quickjs-emscripten quickjs-emscripten-cli	530 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	477 3.3M 142/M	✅unix ✅macArm ✅windows	embeddable Javascript engine with a focus on portability and compact footprint
lumen	lumen	461 14.2M 32/M	✅unix ✅macArm ❌windows	A from-scratch JavaScript engine in Rust — std only, zero deps, 100% test262 (53,376/53,376)
mujs-one	mujs-one	395 3.8M 102/M	✅unix ❌macArm ❌windows	mujs by c2rust
paserati	paserati	393 24.7M 15/M	✅unix ✅macArm ✅windows	TypeScript runtime implementation written in Go. cough
kiesel	kiesel kiesel-build	370 16.5M 22/M	✅unix ✅macArm ✅windows	A JavaScript engine written in Zig https://kiesel.dev
mujs	mujs mujs-build	362 3.4M 107/M	✅unix ✅macArm ✅windows	An embeddable Javascript interpreter in C
ringo	ringojs	332 0 0/M	✅unix ✅macArm ❌windows	RingoJS is a JavaScript platform built on the JVM and optimized for server-side applications
es6	es6	328 3.7M 88/M	✅unix ✅macArm ✅windows	A small ECMAScript engine written in safe Rust, modeled on QuickJS (quickjs-ng) and the rquickjs API style
goja	goja goja-build	269 13.2M 20/M	✅unix ✅macArm ✅windows	ECMAScript/JavaScript engine in pure Go
xst	moddable	253 5M 50/M	✅unix ✅macArm ❌windows	Tools for developers to create truly open IoT products using standard JavaScript on low cost microcontrollers
es5	es5	239 2.6M 93/M	✅unix ✅macArm ✅windows	A ES5 JavaScript engine written in Rust
boa	boa	209 35.4M 5/M	✅unix ✅macArm ❌windows	Boa is an embeddable and experimental Javascript engine written in Rust. Currently, it has support for some of the language.
jint	jint jint-cli	188 74.8M 2/M	✅unix ✅macArm ✅windows	Javascript Interpreter for .NET
JavaScriptCore	JavaScriptCore jsc-build	0 40.1M 0/M	❌unix ✅macArm ✅windows	JavaScriptCore is the built-in JavaScript engine for WebKit, which implements ECMAScript as in ECMA-262 specification
JerryScript	jerryscript jerryscript-build	0 3.4M 0/M	❌unix ❌macArm ❌windows	Ultra-lightweight JavaScript engine for the Internet of Things
ChakraCore	ChakraCore ChakraCore-build	0 25.1M 0/M	❌unix ❌macArm ✅windows	ChakraCore is an open source Javascript engine with a C API
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
njs	njs njs-build	0 12.4M 0/M	❌unix ✅macArm ❌windows	A subset of JavaScript language to use in nginx
lo	lo	0 50.9M 0/M	❌unix ✅macArm ✅windows	it's JavaScript Jim, but not as we know it
hako	hako hako-cli	0 0 0/M	❌unix ❌macArm ❌windows	An embeddable, lightweight, secure, high-performance JavaScript engine
zjs	zjs	0 7.2M 0/M	❌unix ✅macArm ✅windows	A Zig-native JavaScript engine, source-aligned with QuickJS.

bench

11/8/2026, 4:23:13 AM

ubuntu

Engine	v8	bun	deno	bare	node	dune	spidermonkey	mozjs	spiderfire	ladybird	graaljs	ant	quanta	jjs	hermes	quickjs-oxide	quickjs	llrt	goant	txiki.js	rquickjs	cyjs	primjs	quickjs-ng	quickjs-emscripten	duktape	lumen	mujs-one	paserati	kiesel	mujs	ringo	es6	goja	xst	JavaScriptCore	JerryScript	ChakraCore	es5	boa	jint	njs	lo	zjs
Version	15.9.0	1.4.4	2.9.8		27.0.0.alpha	0.11.4	147.0			1.0	25.5.5.0.3	16.5.c41757b4.0	2.0.0.alpha		0.12.0		2026.06.04	0.10.0.beta	v0.2.1.9a81153	24.12.0				0.18.0		2.99.99	0.1.3.a0f0314		0.10.1	0.5.0.dev	1.3.8	4.0.0	0.1.0.afdb86e19f1d		17.9.3		3.0.0		0.1.1 25424eb	0.22.0			0.0.37.pre
Total size	69.9M	134.9M	95.1M	70.7M	122.6M	67.7M	46.9M	39.1M	50.6M	56.7M	184.6M	12.7M	12.8M	0	36M	3.1M	5.7M	14.1M	11.3M	26.1M	1.5M	34.2M	6.6M	1.8M	0	3.3M	14.2M	3.8M	24.7M	16.5M	3.4M	0	3.7M	13.2M	5M	40.1M	3.4M	25.1M	2.6M	35.4M	74.8M	12.4M	50.9M	7.2M
Exe size	944.9K	131.9M	91.9M	65M	116.8M	64.6M	40.8M	33.2M	44.7M	50.5M	775.5K	12.7M	7M	0	36M	3.1M	2.8M	14.1M	11.3M	4.1M	1.5M	14.1K	831.3K	1.8M	0	370.4K	11M	697.7K	22.6M	16.5M	378.8K	0	3.7M	13.2M	2M	34.2M	454.2K	472.2K	2.6M	32.2M	69M	1.9M	28.8M	4.2M
Dll size	69M	3M	3.2M	5.8M	5.8M	3.2M	6.1M	5.9M	5.9M	6.2M	183.8M	0	5.8M	0	0	0	3M	0	0	22.1M	0	34.2M	5.8M	0	0	3M	3.2M	3.2M	2.1M	0	3M	0	0	0	3M	5.8M	3M	24.6M	0	3.2M	5.8M	10.6M	22.1M	3M
Richards	37999	43753	35306	34310	33795	34006	14530	13221	14290	19886	36259	2439	3110	13598	1119	925	920	693	1282	710	691	567	577	375	412	287	292	239	174	238	209	151	235	202	90		267		158	149	105
DeltaBlue	100050	48101	81219	79183	73973	79150	13719	12880	13091	16490	20516	2781	1920	236	1061	902	829	701	727	666	627	592	596	383	436	322	355	350	220	208	310	196	231	251	163		279		214	143	113
Crypto	43174	50110	42112	41894	41815	41788	19271	19992	17361	19782	14629	4368	4277	8111	1356	960	903	739	1944	523	632	354	498	509	431	761	224	182	264	277	178	154	299	123	325		296		131	167	98
RayTrace	115438	104560	74295	77255	73407	72445	27740	27352	26465	23360	1667	5233	4431	1224	1552	1807	1627	1572	305	1077	939	1117	766	905	462	587	1197	545	351	345	503	539	299	272	505		353		208	276	255
EarleyBoyer	85630	54728	73277	73689	73160	72725	41268	37372	35576	17097	25605	6698	1836	734	3370	2710	2330	2013	626	1748	1305	1522	1382	1360	939	600	620	674	634	459	609	637	375	496	322				326	330	282
RegExp	11661	15001	10728	10385	11251	10616	8719	8793	8766	1709	821	2092	1235	959	544	336	393	317	263	229	198	259	235	262	184	134	179	227	394	187	204	467	229	207	68				205	46	249
Splay	18537	38325	39197	38374	37747	27774	24472	14750	12224	14432	1999	2542	2320	4387	3586	3313	3822	3097	1585	1938	1719	2204	1809	2346	1337	942	1846	1039	1251	1227	893	1024	529	779	371				624	674	456
NavierStokes	38951	33801	38765	38803	38951	38765	22002	21771	21980	24634	31133	12489	11872	11552	1826	1636	1802	1285	5263	981	1047	922	887	504	760	851	357	452	513	711	460	198	608	201	854				279	366	164
Score	43846	43018	42536	42180	41781	40165	19470	17744	17068	14113	8354	4026	3028	2410	1530	1279	1277	1046	966	819	767	756	715	639	530	477	461	395	393	370	362	332	328	269	253				239	209	188
Score/MB	627	318	447	596	340	593	414	453	337	248	45	317	236		42	417	222	74	85	31	512	22	107	359		142	32	102	15	22	107		88	20	50				93	5	2
Time(s)	20	20	20	20	20	20	20	20	20	21	26	23	25	41	34	37	37	41	52	50	53	51	51	55	62	67	78	75	71	81	81	92	83	114	144		31		111	161	144		9

macos-arm64

Engine	JavaScriptCore	v8	lo	bare	node	bun	dune	deno	spidermonkey	mozjs	spiderfire	ladybird	graaljs	ant	lumen	quanta	jjs	quickjs-oxide	quickjs	quickjs-ng	zjs	hermes	txiki.js	llrt	goant	primjs	rquickjs	cyjs	duktape	njs	quickjs-emscripten	mujs	es6	xst	JerryScript	kiesel	paserati	es5	ringo	goja	boa	jint
Version		15.9.118	0.0.37.pre		27.0.0.alpha	1.4.4	0.11.4	2.9.8	147.0			1.0	25.5.5.0.3	16.5.c41757b4.0	0.1.3.a0f0314	2.0.0.alpha			2026.06.04	0.18.0		0.12.0	24.12.0	0.10.0.beta	v0.2.1.9a81153				2.99.99	0.9.2		1.3.8	0.1.0.afdb86e19f1d	17.9.3	3.0.0	0.5.0.dev	0.10.1	0.1.1 25424eb	4.0.0		0.22.0
Total size	79.2M	28.9M	39.6M	51.8M	107.7M	115.2M	56.7M	78M	134.9M	29.8M	40M	43.5M	175M	9.1M	8.1M	6.4M	0	2.6M	2M	1.2M	3.4M	13.9M	3.4M	13M	10.8M	1.5M	1.3M	28.5M	431.4K	2M	0	395.5K	2.8M	1.5M	482.8K	15.8M	21.4M	2M	0	12.7M	28.6M	75.4M
Exe size	737.1K	28.9M	34.2M	51.8M	107.7M	115.2M	56.7M	78M	67.5M	29.8M	40M	43.5M	91.8K	9.1M	8.1M	6.4M	0	2.6M	2M	1.2M	3.4M	7M	3.4M	13M	10.8M	1.5M	1.3M	132.5K	431.4K	1.5M	0	395.5K	2.8M	1.5M	482.8K	15.8M	21.4M	2M	0	12.7M	28.6M	75.4M
Dll size	78.5M	0	5.3M	0	0	0	0	0	67.5M	0	0	0	174.9M	0	0	0	0	0	0	0	0	7M	0	0	0	0	0	28.4M	0	560.6K	0	0	0	0	0	0	0	0	0	0	0	0
Richards	52056	43414	40682	46009	55343	50051	57398	47986	14915	14371	14470	19458	28972	4847	13224	3467	14894	1224	1275	1214	1296	1051	1287	881	1624	1079	1110	1107	490	698	571	347	295	103	217	421	284	207	178	309	235	142
DeltaBlue	72631	142544	110344	107250	102985	56901	94846	81616	15273	13495	14334	23882	13521	5020	1788	2162	661	1128	1362	1022	985	1021	1262	937	1163	1037	1132	1064	628	703	623	564	223	201	241	347	356	299	213	242	240	137
Crypto	76335	68377	59810	51399	55929	59017	49779	45119	23507	21495	20328	22119	16810	9254	13884	5160	4903	1238	1196	1131	1474	1163	1131	758	2242	1429	868	736	1261	1023	529	276	387	418	268	518	350	206	135	170	257	119
RayTrace	191213	176857	122394	99085	71039	132680	85987	80363	54315	48717	41176	36999	3243	9803	2481	5192	1027	2939	2469	2231	1897	1871	1991	2462	453	1064	1785	1114	1122	633	758	928	765	667	307	514	534	508	674	274	327	291
EarleyBoyer	104458	115307	101492	102128	78070	62657	81605	82879	51707	46580	45568	21823	29174	11375	2070	2216	792	4034	3370	3378	2630	4293	2830	2725	873	1167	2342	2081	1113	1522	1359	1027	930	428		768	979	783	709	504	456	327
RegExp	32366	18002	17127	14986	13560	16119	13274	10888	10515	11092	10584	2327	1144	4737	756	1155	784	597	470	447	625	593	277	426	369	286	292	280	242	163	254	349	574	297		261	514	542	585	250	80	190
Splay	55479	32451	54550	47835	34870	30103	21636	34022	31553	20479	13409	6425	1295	4580	5137	2613	3056	4811	5313	5623	2288	2950	2939	3517	2461	2640	3085	3007	2245	1285	1834	1403	952	531		1489	1601	999	834	1128	852	378
NavierStokes	40324	40958	39208	38173	35913	36545	33323	36025	21645	18347	20377	25228	25275	17956	21031	11222	14543	2303	2361	2891	2488	1318	1744	1561	4849	3903	1346	1162	1435	1390	836	667	967	1057		1123	756	380	175	254	509	163
Score	67231	61568	57659	53804	48381	47234	45447	44618	23943	21109	19721	15380	8337	7478	4389	3329	2466	1845	1783	1721	1550	1481	1399	1330	1284	1247	1238	1088	885	783	724	600	559	377		581	572	424	347	325	305	200
Score/MB	848	2132	1457	1038	449	409	801	572	177	709	492	353	47	826	541	522		706	874	1441	450	106	416	102	118	828	936	38	2100	388		1553	202	245		36	26	207		25	10	2
Time(s)	20	20	20	20	20	20	20	20	20	20	20	21	23	21	26	28	39	29	31	33	31	34	40	36	39	41	41	43	46	64	52	56	51	91	35	58	54	68	98	99	109	135

windows

Engine	v8	lo	JavaScriptCore	bare	node	deno	dune	bun	ChakraCore	spidermonkey	spiderfire	graaljs	ant	quanta	quickjs	zjs	quickjs-oxide	goant	hermes	quickjs-ng	llrt	cyjs	quickjs-emscripten	rquickjs	txiki.js	paserati	duktape	mujs	xst	boa	kiesel	es5	es6	goja	jint
Version	15.9.121	0.0.37.pre			27.0.0.alpha	2.9.8	0.11.4	1.4.4	1.11.24.0	147.0		25.5.5.0.3	16.5.c41757b4.0	2.0.0.alpha	2026.06.04			v0.2.1.9a81153	0.12.0	0.18.0	0.10.0.beta				24.12.0	0.10.1	2.7.0	1.3.8		0.22.0	0.5.0.dev	0.1.1 25424eb	0.1.0.afdb86e19f1d
Total size	66.8M	49.2M	129.6M	79.6M	134M	125.3M	95.3M	148.4M	15.8M	54M	81.5M	190.6M	48.7M	19.6M	10.2M	13M	11.1M	18.7M	142.5M	13.3M	47.2M	19.3M	0	10.8M	42.1M	30.2M	8.2M	8.3M	6.6M	52.4M	31.6M	15.4M	21.5M	20.6M	99.6M
Exe size	34M	28.5M	503.5K	44.1M	97.9M	93.9M	61.6M	140.5M	334K	34.8M	42.6M	380.5K	12.9M	9.1M	2.3M	4.5M	3.2M	11.5M	3M	1.6M	15.6M	90K	0	1.6M	4.1M	23M	329.5K	400.5K	1.3M	33.5M	23.1M	2.1M	3.2M	13.3M	68.8M
Dll size	32.9M	20.8M	129.1M	35.5M	36.1M	31.4M	33.7M	7.9M	15.5M	19.2M	38.8M	190.2M	35.8M	10.4M	8M	8.5M	7.9M	7.2M	139.5M	11.8M	31.5M	19.2M	0	9.2M	38M	7.2M	7.9M	7.9M	5.3M	19M	8.5M	13.2M	18.3M	7.2M	30.7M
Richards	69859	66318	73894	67741	64366	64592	62050	68758	47732	25714	25407	72584	4472	4903	1740	1550	1214	2261	1253	802	754	1005	834	801	644	383	362	448			443	332	274	371	199
DeltaBlue	206348	154485	102866	142557	147780	147794	134629	68545	53093	25019	23564	71064	5256	3213	1504	1255	1285	1487	1082	784	741	878	883	759	612	476	450	652			334	431	259	436	238
Crypto	74551	75447	85937	73791	68360	75425	71526	80880	62344	35459	30438	38097	12669	7976	1971	2073	1893	3533	1168	990	756	768	946	775	708	533	476	302			513	257	413	209	182
RayTrace	207493	153252	196319	145260	139784	135862	131126	146148	78439	53205	46323	17151	10603	7268	3430	2913	3031	571	1805	2138	2168	1522	873	1603	1152	648	859	831			581	568	508	393	502
EarleyBoyer	170060	157171	122870	141983	146121	142976	142363	75967	73469	77500	65968	67946	14101	3094	4183	2900	4010	1046	4073	2553	2412	1964	1857	1936	1749	1242	993	998			810	787	579	767	503
RegExp	22502	19638	29668	19768	22479	20547	19729	22410	16456	17512	16423	2335	2570	2019	822	1015	644	472	690	570	581	339	350	369	354	712	207	316			294	490	462	367	546
Splay	28717	61575	48512	56416	47664	46197	41764	43019	35163	34520	17312	2597	4925	2744	6259	3067	4107	2336	3977	3867	3602	1887	2196	2009	1919	2082	1711	1739			1948	1318	653	1296	680
NavierStokes	68116	71161	51940	69600	67751	66483	69530	67010	59745	34030	35468	66483	24141	18476	4066	4322	3455	8539	1607	2484	1688	1067	1558	1171	1101	1043	1770	843			1736	519	693	348	267
Score	79949	79540	76540	76234	74648	73828	70907	63768	48669	34343	29422	23477	7793	4816	2505	2151	2063	1691	1636	1441	1293	1041	1039	1030	897	768	672	655			659	522	454	450	348
Score/MB	1195	1615	590	957	557	589	744	429	3075	636	361	123	160	245	244	165	185	90	11	107	27	53		95	21	25	81	79			20	33	21	21	3
Time(s)	20	20	20	20	20	20	20	20	20	20	20	22	22	23	27	27	28	35	31	34	36	41	39	40	42	44	54	56	83		52	61	60	75	85

Name		Name	Last commit message	Last commit date
.github/workflows		.github/workflows
scripts		scripts
v8-v7		v8-v7
web		web
.gitignore		.gitignore
README.md		README.md
info.json		info.json
macos-amd64.json		macos-amd64.json
macos-arm64.json		macos-arm64.json
package.json		package.json
tsconfig.json		tsconfig.json
ubuntu.json		ubuntu.json
windows.json		windows.json

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