From a906d51228711e939936c0377f8206a34a3de29d Mon Sep 17 00:00:00 2001 From: Jonatan Nilsson Date: Tue, 22 Oct 2024 04:05:34 +0000 Subject: [PATCH] benchmark nonsense --- benchmark/package-lock.json | 1320 ----------------------------------- benchmark/package.json | 3 +- benchmark/promise.mjs | 221 ++++++ benchmark/string.js | 80 +++ 4 files changed, 303 insertions(+), 1321 deletions(-) delete mode 100644 benchmark/package-lock.json create mode 100644 benchmark/promise.mjs create mode 100644 benchmark/string.js diff --git a/benchmark/package-lock.json b/benchmark/package-lock.json deleted file mode 100644 index 6f70a73..0000000 --- a/benchmark/package-lock.json +++ /dev/null @@ -1,1320 +0,0 @@ -{ - "name": "benchmark", - "version": "1.0.0", - "lockfileVersion": 2, - "requires": true, - "packages": { - "": { - "name": "benchmark", - "version": "1.0.0", - "license": "WTFPL", - "dependencies": { - "benchmarkjs-pretty": "^2.0.0", - "express": "^4.17.1", - "koa-router": "^8.0.8" - } - }, - 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"resolved": "https://registry.npmjs.org/urijs/-/urijs-1.19.2.tgz", - "integrity": "sha512-s/UIq9ap4JPZ7H1EB5ULo/aOUbWqfDi7FKzMC2Nz+0Si8GiT1rIEaprt8hy3Vy2Ex2aJPpOQv4P4DuOZ+K1c6w==" - }, - "utils-merge": { - "version": "1.0.1", - "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz", - "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=" - }, - "vary": { - "version": "1.1.2", - "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz", - "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=" - } - } -} diff --git a/benchmark/package.json b/benchmark/package.json index 558f166..b066afe 100644 --- a/benchmark/package.json +++ b/benchmark/package.json @@ -13,6 +13,7 @@ "dependencies": { "benchmarkjs-pretty": "^2.0.0", "express": "^4.17.1", - "koa-router": "^8.0.8" + "koa-router": "^8.0.8", + "mitata": "^1.0.10" } } diff --git a/benchmark/promise.mjs b/benchmark/promise.mjs new file mode 100644 index 0000000..99f585f --- /dev/null +++ b/benchmark/promise.mjs @@ -0,0 +1,221 @@ +import { summary, run, bench } from 'mitata'; + +// Warmup (de-optimize `bench()` calls) +bench('noop', () => { }); +bench('noop2', () => { }); + +// Example benchmark +/*summary(() => { + const fn = () => null + const fnAlt = function() {} + function fnBasic() {} + const fnAltWithReturn = function() { return null } + function fnBasicWithReturn() { return null } + + bench('Reject with uncached error handler', async () => await Promise.reject().catch(() => null)); + bench('Reject with cached error handler', async () => await Promise.reject().catch(fn)); + + bench('TT Reject with uncached error handler', () => Promise.reject().catch(() => null)); + bench('TT Reject with cached error handler', () => Promise.reject().catch(fnAlt)); + bench('TT Reject with cached basic error handler', () => Promise.reject().catch(fnBasic)); + bench('TT Reject with cached error handler with return', () => Promise.reject().catch(fnAltWithReturn)); + bench('TT Reject with cached basic error handler with return ', () => Promise.reject().catch(fnBasicWithReturn)); +});*/ + +/* +summary(() => { + function triple () { + const bla = Math.round(Math.random()) ? true : null + return bla === null + } + function doubleNull () { + const bla = Math.round(Math.random()) ? true : null + return bla == null + } + function doubleUndefined () { + const bla = Math.round(Math.random()) ? true : undefined + return bla == null + } + bench('null === null', triple); + bench('null == null', doubleNull); + bench('undefined == null', doubleUndefined); + + bench('2x null === null', triple); + bench('2x null == null', doubleNull); + bench('2x undefined == null', doubleUndefined); +}) + + +summary(() => { + function triple () { + const bla = false ? true : null + return bla === null + } + function doubleNull () { + const bla = false ? true : null + return bla == null + } + function doubleUndefined () { + const bla = false ? true : undefined + return bla == null + } + bench('const null === null', triple); + bench('const null == null', doubleNull); + bench('const undefined == null', doubleUndefined); + + bench('const 2x null === null', triple); + bench('const 2x null == null', doubleNull); + bench('const 2x undefined == null', doubleUndefined); +})*/ + +function printCurrentStatus(fn) { + let opt = %GetOptimizationStatus(fn) + console.log(`${fn.toString()} +${opt.toString(2).padStart(12, '0').split('').join(' ')}`) +} +function printTree() { + console.log(`┬ ┬ ┬ ┬ ┬ ┬ ┬ ┬ ┬ ┬ ┬ ┬ +│ │ │ │ │ │ │ │ │ │ │ └─╸ is function +│ │ │ │ │ │ │ │ │ │ └───╸ is never optimized +│ │ │ │ │ │ │ │ │ └─────╸ is always optimized +│ │ │ │ │ │ │ │ └───────╸ is maybe deoptimized +│ │ │ │ │ │ │ └─────────╸ is optimized +│ │ │ │ │ │ └───────────╸ is optimized by TurboFan +│ │ │ │ │ └─────────────╸ is interpreted +│ │ │ │ └───────────────╸ is marked for optimization +│ │ │ └─────────────────╸ is marked for concurrent optimization +│ │ └───────────────────╸ is optimizing concurrently +│ └─────────────────────╸ is executing +└───────────────────────╸ topmost frame is turbo fanned`) +} + +let func1 +let func2 +let func3 + +await (async function () { + return + const fn1 = async () => await Promise.reject().catch(() => null) === null ? 1 : 0; + const fn2 = async () => await Promise.reject().catch(() => {}) == null ? 1 : 0; + const fn3 = async () => await Promise.reject().catch(() => null) == null ? 1 : 0; + const noop = () => null; + const fn4 = async () => await Promise.reject().catch(noop) == null ? 1 : 0; + const fn5 = async () => await Promise.reject().catch(noop) === null ? 1 : 0; + + + const fn6 = () => Promise.reject().catch(() => null).then(x => x === null ? 1 : 0); + const fn7 = () => Promise.reject().catch(() => {}).then(x => x == null ? 1 : 0); + const fn8 = () => Promise.reject().catch(() => null).then(x => x == null ? 1 : 0); + const fn9 = () => Promise.reject().catch(noop).then(x => x == null ? 1 : 0); + const fn10 = () => Promise.reject().catch(noop).then(x => x === null ? 1 : 0); + + func1 = [fn1, fn2, fn3, fn4, fn5, fn6, fn7, fn8, fn9, fn10]; + for (let fun of func1) { + %OptimizeFunctionOnNextCall(fun); + } + for (var i = 0; i < 100000; i++) { + for (let fun of func1) { + await fun() + } + } + for (let fun of func1) { + printCurrentStatus(fun); + } + printTree() + + summary(() => { + bench('Null with ===', fn1); + bench('Undefined with ==', fn2); + bench('Null with ==', fn3); + bench('Cached Null with ==', fn4); + bench('Cached Null with ===', fn5); + + + bench('[sync] Null with ===', fn6); + bench('[sync] Undefined with ==', fn7); + bench('[sync] Null with ==', fn8); + bench('[sync] Cached Null with ==', fn9); + bench('[sync] Cached Null with ===', fn10); + }); +}) + + +await (async function () { + const alt1 = function () { (Math.round(Math.random()) ? null : 1) ?? 0 }; + const alt2 = function () { (Math.round(Math.random()) ? null : 1) || 0 }; + const alt3 = function () { (Math.round(Math.random()) ? undefined : 1) ?? 0 }; + const alt4 = function () { (Math.round(Math.random()) ? undefined : 1) || 0 }; + + let check = new Array(100).fill(0).map(() => Math.round(Math.random()) ? null : 1) + let check2 = new Array(100).fill(0).map(() => Math.round(Math.random()) ? undefined : 1) + + const alt5 = function () { let out = 0; for (let x of check) { out += x ?? 0 } return out }; + const alt6 = function () { let out = 0; for (let x of check) { out += x || 0 } return out }; + const alt7 = function () { let out = 0; for (let x of check2) { out += x ?? 0 } return out }; + const alt8 = function () { let out = 0; for (let x of check2) { out += x || 0 } return out }; + + func2 = [alt1, alt2, alt3, alt4, alt5, alt6, alt7, alt8]; + for (let fun of func2) { + %OptimizeFunctionOnNextCall(fun); + } + for (var i = 0; i < 100000; i++) { + for (let fun of func2) { + fun() + } + } + for (let fun of func2) { + printCurrentStatus(fun); + } + printTree() + + summary(() => { + bench('null/1 ?? 0', alt1); + bench('null/1 || 0', alt2); + bench('undefined/1 ?? 0', alt3); + bench('undefined/1 || 0', alt4); + }); + + summary(() => { + bench('arr null/1 ?? null', alt5); + bench('arr null/1 || null', alt6); + bench('arr und/1 ?? null', alt7); + bench('arr und/1 || null', alt8); + }); +})() + + +await (async function () { + const alt1 = function () { let out = 0; for (let x = 0; x < 100; x++) { out += (Math.round(Math.random()) ? null : 1) ?? 0 } return out }; + const alt2 = function () { let out = 0; for (let x = 0; x < 100; x++) { out += (Math.round(Math.random()) ? null : 1) || 0 } return out }; + const alt3 = function () { let out = 0; for (let x = 0; x < 100; x++) { out += (Math.round(Math.random()) ? undefined : 1) ?? 0 } return out }; + const alt4 = function () { let out = 0; for (let x = 0; x < 100; x++) { out += (Math.round(Math.random()) ? undefined : 1) || 0 } return out }; + + func3 = [alt1, alt2, alt3, alt4]; + for (let fun of func3) { + %OptimizeFunctionOnNextCall(fun); + } + for (var i = 0; i < 100000; i++) { + for (let fun of func3) { + fun() + } + } + for (let fun of func3) { + printCurrentStatus(fun); + } + printTree() + + summary(() => { + bench('loop null/1 ?? 0', alt1); + bench('loop null/1 || 0', alt2); + bench('loop und/1 ?? 0', alt3); + bench('loop und/1 || 0', alt4); + }); +})() + +// Start the benchmark +run().then(() => { + for (let fun of func3) { + printCurrentStatus(fun); + } + printTree() +}); \ No newline at end of file diff --git a/benchmark/string.js b/benchmark/string.js new file mode 100644 index 0000000..b0f8fc2 --- /dev/null +++ b/benchmark/string.js @@ -0,0 +1,80 @@ +import { summary, run, bench } from 'mitata'; + +// Warmup (de-optimize `bench()` calls) +bench('noop', () => { }); +bench('noop2', () => { }); + +// Example benchmark +summary(() => { + const dataset = new Array(100).fill(0).map( + () => new Array(10).fill(0).map(() => String.fromCharCode(97 + Math.round(Math.random() * 22))).join('') + ); + console.log(dataset) + + const fn1 = (str) => (str[0] === 'c' ? 1 : 0) + (str[1] === 'c' ? 1 : 0) + (str[2] === 'c' ? 1 : 0); + fn1('a'); + fn1('b'); + fn1('c'); + fn1('d'); + // optimizeNextInvocation(fn1); + bench('Char check', () => dataset.map(fn1)) + + const fn2 = (str) => (str.charCodeAt(0) === 99 ? 1 : 0) + (str.charCodeAt(1) === 99 ? 1 : 0) + (str.charCodeAt(2) === 99 ? 1 : 0); + fn2('a'); + fn2('b'); + fn2('c'); + fn2('d'); + // optimizeNextInvocation(fn2); + bench('Char code check', () => dataset.map(fn2)); + + + bench('2x Char check', () => dataset.map(fn1)) + bench('2x Char code check', () => dataset.map(fn2)); +}); + +// Example benchmark +summary(() => { + let paths = [ + 'test1/', + 'test/', + 'test3/', + 'test/', + 'test5/', + 'something/', + 'else/', + 'goes/', + 'here/', + 'too/', + ] + + function fastCheck(str) { + if (str.charCodeAt(0) === 116) { + if (str.charCodeAt(1) === 101) { + if (str.charCodeAt(2) === 115) { + if (str.charCodeAt(3) === 116) { + if (str.charCodeAt(4) === 47) { + if (str.indexOf('/', 5) === -1) { + return true + } + } + } + } + } + } + return false + } + + let r = new RegExp('^test/$') + function regexCheck(str) { + return r.test(str) + } + + console.log(paths.map(fastCheck)) + console.log(paths.map(regexCheck)) + + bench('fastCheck', () => paths.map(fastCheck)) + bench('regexCheck', () => paths.map(regexCheck)); + +}); + +run(); \ No newline at end of file