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 (35/40)

name	lang	repo	score	platform	description
JavaScriptCore		JavaScriptCore jsc-build	48553 31.8M 1524/M	✅unix ✅macArm ✅windows	JavaScriptCore is the built-in JavaScript engine for WebKit, which implements ECMAScript as in ECMA-262 specification
bun		bun setup-bun	47913 98.7M 485/M	✅unix ✅macArm ✅windows	Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
v8		v8.dev v8-build	47392 59.9M 791/M	✅unix ✅macArm ✅windows	V8 is Google’s open source high-performance JavaScript and WebAssembly engine
deno		deno setup-deno	41885 108.7M 385/M	✅unix ✅macArm ✅windows	A modern runtime for JavaScript and TypeScript
node		node setup-node	41532 98.1M 423/M	✅unix ✅macArm ✅windows	Node.js JavaScript runtime
bare		bare bare-build	40647 43M 945/M	✅unix ✅macArm ❌windows	Small and modular JavaScript runtime for desktop and mobile
dune		dune	39589 52.4M 755/M	✅unix ✅macArm ✅windows	JavascriptA hobby runtime for JavaScript and TypeScript
lo		lo lo-build	38548 40.7M 948/M	✅unix ❌macArm ❌windows	it's JavaScript Jim, but not as we know it
spidermonkey		spidermonkey.dev spidermonkey-build	19833 39.8M 498/M	✅unix ✅macArm ✅windows	SpiderMonkey is Mozilla’s JavaScript and WebAssembly Engine, used in Firefox
ChakraCore		ChakraCore ChakraCore-build	19653 19.3M 1017/M	✅unix ❌macArm ✅windows	ChakraCore is an open source Javascript engine with a C API
mozjs		mozjs mozjs-cli	17488 33.2M 526/M	✅unix ✅macArm ❌windows	Rust bindings to SpiderMonkey
spiderfire		spiderfire spiderfire-build	17137 44.7M 383/M	✅unix ✅macArm ✅windows	JavaScript Runtime built with Mozilla's SpiderMonkey Engine
graaljs		graaljs	9820 186.6M 52/M	✅unix ✅macArm ✅windows	A ECMAScript 2023 compliant JavaScript implementation built on GraalVM. With polyglot language interoperability support. Running Node.js applications!
jjs		nashorn	2414 0 0/M	✅unix ✅macArm ❌windows	Nashorn engine is an open source implementation of the ECMAScript Edition 5.1 Language Specification
hermes		hermes	1519 36M 42/M	✅unix ✅macArm ✅windows	A JavaScript engine optimized for running React Native
quickjs		quickjs quickjs-build	1047 1M 1040/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	915 12.3M 74/M	✅unix ✅macArm ✅windows	LLRT (Low Latency Runtime) is a lightweight JavaScript runtime
txiki.js		txiki.js txiki.js-build	822 4.1M 202/M	✅unix ✅macArm ✅windows	A tiny JavaScript runtime
primjs		primjs primjs-build	758 831.3K 933/M	✅unix ✅macArm ❌windows	JavaScript Engine Optimized for Lynx
rquickjs		rquickjs rquickjs-cli	757 1.4M 538/M	✅unix ✅macArm ✅windows	High level bindings to the quickjs javascript engine
rquickjs-pgo		rquickjs rqjs-pgo-build	745 1.4M 529/M	✅unix ❌macArm ✅windows	High level bindings to the quickjs javascript engine
njs		njs njs-build	734 1.9M 393/M	✅unix ✅macArm ❌windows	A subset of JavaScript language to use in nginx
ladybird		ladybird ladybird-js-build	702 47.8M 14/M	✅unix ✅macArm ❌windows	Truly independent web browser
quickjs-ng		quickjs	620 1.2M 499/M	✅unix ✅macArm ✅windows	QuickJS, the Next Generation: a mighty JavaScript engine
quickjs-emscripten		quickjs-emscripten quickjs-emscripten-cli	502 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	497 370.4K 1374/M	✅unix ✅macArm ✅windows	embeddable Javascript engine with a focus on portability and compact footprint
mujs-pgo		mujs mujs-pgo-build	403 422.8K 976/M	✅unix ❌macArm ✅windows	An embeddable Javascript interpreter in C
mujs-one		mujs-one	367 685K 548/M	✅unix ❌macArm ❌windows	mujs by c2rust
mujs		mujs mujs-build	345 378.8K 932/M	✅unix ✅macArm ✅windows	An embeddable Javascript interpreter in C
ringo		ringojs	305 0 0/M	✅unix ✅macArm ❌windows	RingoJS is a JavaScript platform built on the JVM and optimized for server-side applications
xst		moddable	266 1.9M 136/M	✅unix ✅macArm ❌windows	Tools for developers to create truly open IoT products using standard JavaScript on low cost microcontrollers
goja		goja goja-build	266 13.2M 20/M	✅unix ✅macArm ✅windows	ECMAScript/JavaScript engine in pure Go
jint		jint jint-cli	183 69M 2/M	✅unix ✅macArm ✅windows	Javascript Interpreter for .NET
boa		boa	172 25.8M 6/M	✅unix ✅macArm ✅windows	Boa is an embeddable and experimental Javascript engine written in Rust. Currently, it has support for some of the language.
kiesel		kiesel kiesel-build	143 13.4M 10/M	✅unix ✅macArm ✅windows	A JavaScript engine written in Zig https://kiesel.dev
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

12/1/2025, 1:55:59 AM

ubuntu

Engine	JavaScriptCore	bun	v8	deno	node	bare	dune	lo	spidermonkey	ChakraCore	mozjs	spiderfire	graaljs	jjs	hermes	quickjs	llrt	txiki.js	primjs	rquickjs	rquickjs-pgo	njs	ladybird	quickjs-ng	quickjs-emscripten	duktape	mujs-pgo	mujs-one	mujs	xst	JerryScript	ringo	goja	jint	boa	kiesel	rhino
Version		1.3.3	14.4.0	2.5.6	25.2.1		0.11.0		146.0	1.13.0.0.beta			25.0.1		0.12.0	2025.09.13	0.7.0.beta	24.12.0				0.9.2		0.11.0		2.99.99			1.3.8	16.9.1	3.0.0	4.0.0			0.21.0	0.1.0.dev
Total size	31.8M	98.7M	59.9M	108.7M	98.1M	43M	52.4M	40.7M	39.8M	19.3M	33.2M	44.7M	186.6M	0	36M	1M	12.3M	4.1M	831.3K	1.4M	1.4M	1.9M	47.8M	1.2M	0	370.4K	422.8K	685K	378.8K	1.9M	454.2K	0	13.2M	69M	25.8M	13.4M	0
Exe size	31.8M	98.7M	834.4K	108.7M	98.1M	43M	52.4M	40.7M	39.8M	472.2K	33.2M	44.7M	764.5K	0	36M	1M	12.3M	4.1M	831.3K	1.4M	1.4M	1.9M	47.8M	1.2M	0	370.4K	422.8K	685K	378.8K	1.9M	454.2K	0	13.2M	69M	25.8M	13.4M	0
Dll size	0	0	59M	0	0	0	0	0	0	18.8M	0	0	185.8M	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Richards	42016	41413	37547	35242	34031	31747	34603	33579	14446	23056	13221	14135	41406	6863	1132	821	710	705	629	570	580	554	629	530	361	291	264	241	214	89	265	162	195	101	122	75
DeltaBlue	61767	57820	104109	77629	77827	75150	80062	75646	13673	22315	12999	13177	35439	248	1059	719	676	672	617	580	575	534	578	546	390	320	357	355	306	163	273	200	245	112	128	72
Crypto	50950	48509	38957	41572	41853	41764	38538	41432	20587	32136	20069	17567	28931	7468	1364	877	693	586	556	551	527	876	992	354	420	800	187	190	175	331	299	142	122	98	103	81
RayTrace	122172	119730	113218	72075	70373	71853	73037	54981	28831	34557	27944	26788	1739	1141	1534	1290	1187	1075	961	935	931	682	871	699	467	556	513	495	375	506	348	466	264	249	267	191
EarleyBoyer	67161	66698	84541	75630	71660	69728	71800	69921	41403	6984	38454	36016	23960	1607	3333	1566	1857	1731	1344	1334	1334	1655	1198	1169	868	552	505	485	428	323		566	484	269	321	178
RegExp	19768	20960	10525	10102	10393	10253	10354	8784	9264	7795	8775	8819	889	737	548	365	264	226	229	223	213	115	67	183	180	134	233	211	195	95		426	204	247	51	153
Splay	35742	35687	42824	39197	39271	37518	26721	35660	24235	19441	12312	12109	2268	4778	3354	2462	2253	1809	1742	2231	2131	2070	1384	1589	1276	1261	1346	830	1227	372		895	843	437	466	497
NavierStokes	40284	40028	38732	38584	38803	38803	38951	38469	21963	36803	21854	22067	24241	14070	1846	1540	1133	980	984	952	958	1210	1673	898	735	964	485	485	461	900		161	195	160	237	152
Score	48553	47913	47392	41885	41532	40647	39589	38548	19833	19653	17488	17137	9820	2414	1519	1047	915	822	758	757	745	734	702	620	502	497	403	367	345	266		305	266	183	172	143
Score/MB	1524	485	791	385	423	945	755	948	498	1017	526	383	52		42	1040	74	202	933	538	529	393	14	499		1374	976	548	932	136			20	2	6	10
Time(s)	20	20	20	20	20	20	20	20	20	21	20	20	25	39	33	40	43	50	51	52	54	62	77	60	62	68	82	82	90	130	31	103	117	146	175	179	81

macos-arm64

Engine	JavaScriptCore	v8	bun	bare	deno	dune	node	spiderfire	spidermonkey	mozjs	graaljs	jjs	hermes	txiki.js	primjs	llrt	quickjs	quickjs-ng	ladybird	njs	rquickjs	quickjs-emscripten	duktape	mujs	ringo	xst	JerryScript	goja	kiesel	boa	jint	rhino
Version		14.4.258	1.3.3		2.5.6	0.11.0	25.2.1		146.0		25.0.1		0.12.0	24.12.0		0.7.0.beta	2025.09.13	0.11.0		0.9.2			2.99.99	1.3.8	4.0.0	16.9.1	3.0.0		0.1.0.dev	0.21.0
Total size	79.2M	26.4M	57M	32.8M	87.7M	44.1M	89.8M	40M	131.8M	29.8M	181.6M	0	13.9M	3.4M	1.5M	10.6M	885.5K	3.7M	42.2M	2M	1.2M	0	431.4K	395.5K	0	1.5M	482.8K	12.7M	12.5M	22.8M	75.4M	0
Exe size	737.1K	26.4M	57M	32.8M	87.7M	44.1M	89.8M	40M	65.9M	29.8M	111.8K	0	7M	3.4M	1.5M	10.6M	885.5K	1.8M	42.2M	1.5M	1.2M	0	431.4K	395.5K	0	1.5M	482.8K	12.7M	12.5M	22.8M	75.4M	0
Dll size	78.5M	0	0	0	0	0	0	0	65.9M	0	181.4M	0	7M	0	0	0	0	1.8M	0	577.6K	0	0	0	0	0	0	0	0	0	0	0	0
Richards	47937	41088	44057	38010	53430	52346	57133	14710	14537	10283	33025	18827	1170	1016	1063	872	638	882	754	659	596	670	440	335	191	97	191	210	115	116	110
DeltaBlue	68875	123105	53384	103290	104962	96830	106126	15597	12800	11795	31327	832	1126	952	1104	980	800	1001	691	690	638	743	540	488	236	184	213	253	102	148	124
Crypto	69792	45489	56540	58942	55930	45532	56284	22495	18175	20052	38893	9572	1293	955	1237	546	774	727	1070	1137	626	571	1106	250	136	375	227	147	129	137	103
RayTrace	132014	93461	139710	93239	95089	72450	93905	38775	36333	45509	6068	773	2262	1977	1080	1600	1518	1191	1221	772	891	715	783	753	641	581	240	231	326	312	277
EarleyBoyer	72553	88730	73149	80956	72502	66191	76776	41482	37418	41446	3247	2040	4861	2685	983	2613	1911	1815	2111	1903	1444	1396	1001	866	722	385		631	235	395	323
RegExp	25508	12716	24457	11843	10435	11875	11319	11012	8745	10776	1414	433	598	267	200	254	411	244	86	196	225	219	189	289	602	301		231	198	61	187
Splay	45244	58413	30268	37437	33811	27691	10184	15852	20845	17056	3565	1400	3287	2934	2119	3626	2868	2375	2442	1247	1936	2174	1307	792	880	475		619	690	539	562
NavierStokes	29325	36618	31219	36472	31927	31578	34246	17867	19382	16489	27427	413	1356	1606	3101	1067	1367	1145	1361	1497	956	883	1063	570	174	959		247	236	276	169
Score	54220	51807	48655	48014	47133	42909	42017	20028	18895	18531	10115	1665	1630	1255	1092	1085	1080	989	896	852	773	767	694	493	357	346		282	210	201	197
Score/MB	684	1959	854	1463	537	972	468	500	143	622	55		117	373	725	102	1248	267	21	418	646		1647	1276		234		22	16	8	2
Time(s)	20	20	20	20	20	20	20	20	20	20	23	49	33	40	51	44	38	45	66	53	50	51	53	64	96	96	41	104	129	154	143

windows

Engine	v8	JavaScriptCore	deno	node	dune	bun	ChakraCore	spidermonkey	spiderfire	graaljs	hermes	quickjs	txiki.js	llrt	quickjs-ng	rquickjs	rquickjs-pgo	quickjs-emscripten	mujs	mujs-pgo	xst	duktape	goja	jint	boa	kiesel	rhino
Version	14.4.258		2.5.6	25.2.1	0.11.0	1.3.3	1.11.24.0	146.0		25.0.1	0.12.0	2025.09.13	24.12.0	0.7.0.beta	0.11.0				1.3.8			2.7.0			0.21.0	0.1.0.dev
Total size	62.4M	125.4M	148.7M	122.7M	82.2M	136.1M	15.6M	53.8M	80.6M	183.8M	89.6M	9M	42.7M	45.6M	6.4M	9M	10.2M	0	8.2M	8.2M	6.5M	8.1M	20.5M	99.1M	51.5M	33.2M	0
Exe size	30M	344.5K	112.8M	87.4M	49.2M	110.1M	334K	33.8M	42.6M	378.5K	3M	1.1M	4.1M	13.1M	1.2M	1.3M	1M	0	400.5K	428K	1.3M	329.5K	13.3M	68.8M	27M	19.6M	0
Dll size	32.3M	125M	35.9M	35.3M	33M	26M	15.3M	19.9M	37.9M	183.5M	86.5M	7.9M	38.6M	32.5M	5.2M	7.8M	9.2M	0	7.8M	7.8M	5.2M	7.8M	7.2M	30.3M	24.5M	13.6M	0
Richards	36707	35997	35136	34179	34783	23409	23575	14033	13962	36668	690	638	437	377	437	425	429	364	237	252		208	180	105	113	63
DeltaBlue	98827	49668	80829	80228	80836	31347	24226	13706	12867	27854	599	501	395	372	492	463	438	387	344	354		250	210	118	117	61
Crypto	32951	48172	40096	35123	38294	44566	30985	20285	17656	20855	731	594	423	425	481	313	319	419	174	187		298	101	90	97	78
RayTrace	106040	106114	63428	70081	69263	89687	46027	29053	26022	4105	953	675	761	597	526	592	589	462	463	486		417	201	265	249	182
EarleyBoyer	83937	58435	76400	73014	72483	46628	39154	38387	36234	28602	2212	1093	1152	1013	998	941	895	880	588	596		444	393	297	289	176
RegExp	9790	16654	9839	9829	9689	16472	9346	9164	8472	1004	413	268	195	188	158	158	150	177	199	243		99	174	274	38	142
Splay	43174	31545	34217	34878	26501	31708	25719	19698	14359	4392	2355	1391	1347	1244	1262	1252	1274	1277	1155	576		1002	658	510	438	485
NavierStokes	38584	39060	38507	38732	38842	33653	34839	21348	21793	25622	1007	1583	732	701	552	718	727	737	452	477		1031	168	149	229	153
Score	45177	42655	40440	39992	39036	35287	26812	18970	17274	11387	943	732	577	527	527	514	507	501	376	366		362	221	192	156	134
Score/MB	724	340	272	326	475	259	1719	352	214	61	10	81	13	11	82	56	49		45	44		44	10	1	3	4
Time(s)	20	20	20	20	20	20	20	20	20	25	42	50	59	61	65	67	68	63	85	78	136	92	135	148	201	187	82