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bench.js
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bench.js
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'use strict';
const Benchmark = require('benchmark');
const https = require('https');
const uv = require('uv');
const isValidUTF8 = require('utf-8-validate');
const isValidUTF8Fallback = require('utf-8-validate/fallback');
const isUtf8 = require('isutf8');
const { floor, pow, random } = Math;
const bench = (buffer, callback) => {
const suite = new Benchmark.Suite;
// Invalid input
if (!uv(buffer)) {
throw Error('Something bad happened, buffer not validated by "uv"');
}
// add tests
suite
.add('uv', () => {
uv(buffer);
})
.add('utf-8-validate (default, C++)', () => {
isValidUTF8(buffer);
})
.add('utf-8-validate (fallback, JS)', () => {
isValidUTF8Fallback(buffer);
})
.add('isutf8', () => {
isUtf8(buffer);
})
// add listeners
.on('cycle', (event) => {
console.log(String(event.target));
})
.on('complete', () => {
callback();
})
// run async
.run({ 'async': true });
};
const generateBytes = (length) => {
return Buffer.from(Array.from(Array(length)).map(() => floor(random() * 128)));
};
const loadPage = (url) => {
return new Promise((resolve, reject) => {
https.get(url, (response) => {
let content = Buffer.alloc(0);
response.on('data', (data) => {
content = Buffer.concat([content, data]);
}).on('end', () => {
bench(Buffer.from(content), resolve);
});
}).on('error', (error) => {
reject(error);
});
});
};
console.log(`Loading ${decodeURI('https://en.wikipedia.org/wiki/Main_Page')} ...`);
loadPage('https://en.wikipedia.org/wiki/Main_Page').then(() => {
console.log('------------------------------------------------------------\n');
console.log(`Loading ${decodeURI('https://ro.wikipedia.org/wiki/Pagina_principal%C4%83')} ...`);
return loadPage('https://ro.wikipedia.org/wiki/Pagina_principal%C4%83')
}).then(() => {
console.log('------------------------------------------------------------\n');
console.log(`Loading ${decodeURI('https://ru.wikipedia.org/wiki/%D0%97%D0%B0%D0%B3%D0%BB%D0%B0%D0%B2%D0%BD%D0%B0%D1%8F_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B0')} ...`);
return loadPage('https://ru.wikipedia.org/wiki/%D0%97%D0%B0%D0%B3%D0%BB%D0%B0%D0%B2%D0%BD%D0%B0%D1%8F_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B0');
}).then(() => {
console.log('------------------------------------------------------------\n');
console.log(`Loading ${decodeURI('https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D8%B5%D9%81%D8%AD%D8%A9_%D8%A7%D9%84%D8%B1%D8%A6%D9%8A%D8%B3%D9%8A%D8%A9')} ...`);
return loadPage('https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D8%B5%D9%81%D8%AD%D8%A9_%D8%A7%D9%84%D8%B1%D8%A6%D9%8A%D8%B3%D9%8A%D8%A9');
}).then(() => {
console.log('------------------------------------------------------------\n');
console.log(`Loading ${decodeURI('https://ja.wikipedia.org/wiki/%E3%83%A1%E3%82%A4%E3%83%B3%E3%83%9A%E3%83%BC%E3%82%B8')} ...`);
return loadPage('https://ja.wikipedia.org/wiki/%E3%83%A1%E3%82%A4%E3%83%B3%E3%83%9A%E3%83%BC%E3%82%B8');
}).then(() => {
return new Promise((resolve) => {
console.log('------------------------------------------------------------\n');
console.log('Preparing 256B of random ASCII data');
bench(generateBytes(pow(2, 8)), resolve);
});
}).then(() => {
return new Promise((resolve) => {
console.log('------------------------------------------------------------\n');
console.log('Preparing 1KB of random ASCII data');
bench(generateBytes(pow(2, 10)), resolve);
});
}).then(() => {
return new Promise((resolve) => {
console.log('------------------------------------------------------------\n');
console.log('Preparing 64KB of random ASCII data');
bench(generateBytes(pow(2, 16)), resolve);
});
}).then(() => {
return new Promise((resolve) => {
console.log('------------------------------------------------------------\n');
console.log('Preparing 1MB of random ASCII data');
bench(generateBytes(pow(2, 20)), resolve);
});
}).then(() => {
return new Promise((resolve) => {
console.log('------------------------------------------------------------\n');
console.log('Preparing 4MB of random ASCII bytes');
bench(generateBytes(pow(2, 22)), resolve);
});
}).then(() => {
console.log('------------------------------------------------------------\n');
console.log('Preparing all valid UTF-8 bytes ~4.17 MB');
let content = Buffer.alloc(0);
let buffer = Buffer.alloc(0x80);
for (let i = 0x00; i < 0x80; i++) {
buffer[i] = i;
}
content = Buffer.concat([content, buffer]);
buffer = Buffer.alloc((0xE0 - 0xC2) * (0xC0 - 0x80) * 2);
for (let i = 0xC2; i < 0xE0; i++) {
for (let j = 0x80; j < 0xC0; j++) {
buffer[(i - 0xC2) * (0xC0 - 0x80) * 2 + (j - 0x80) * 2] = i;
buffer[(i - 0xC2) * (0xC0 - 0x80) * 2 + (j - 0x80) * 2 + 1] = j;
}
}
content = Buffer.concat([content, buffer]);
buffer = Buffer.alloc((0xC0 - 0xA0) * (0xC0 - 0x80) * 3);
for (let a = 0xE0; a < 0xE1; a++) {
for (let b = 0xA0; b < 0xC0; b++) {
for (let c = 0x80; c < 0xC0; c++) {
buffer[(b - 0xA0) * (0xC0 - 0x80) * 3 + (c - 0x80) * 3] = a;
buffer[(b - 0xA0) * (0xC0 - 0x80) * 3 + (c - 0x80) * 3 + 1] = b;
buffer[(b - 0xA0) * (0xC0 - 0x80) * 3 + (c - 0x80) * 3 + 2] = c;
}
}
}
content = Buffer.concat([content, buffer]);
buffer = Buffer.alloc((0xF0 - 0xE1 - 1) * (0xC0 - 0x80) * (0xC0 - 0x80) * 3);
for (let a = 0xE1; a < 0xF0; a++) {
if (a === 0xED) {
continue;
}
for (let b = 0x80; b < 0xC0; b++) {
for (let c = 0x80; c < 0xC0; c++) {
if (a < 0xED) {
buffer[(a - 0xE1) * (0xC0 - 0x80) * (0xC0 - 0x80) * 3 + (b - 0x80) * (0xC0 - 0x80) * 3 + (c - 0x80) * 3] = a;
buffer[(a - 0xE1) * (0xC0 - 0x80) * (0xC0 - 0x80) * 3 + (b - 0x80) * (0xC0 - 0x80) * 3 + (c - 0x80) * 3 + 1] = b;
buffer[(a - 0xE1) * (0xC0 - 0x80) * (0xC0 - 0x80) * 3 + (b - 0x80) * (0xC0 - 0x80) * 3 + (c - 0x80) * 3 + 2] = c;
} else {
buffer[(a - 0xE1 - 1) * (0xC0 - 0x80) * (0xC0 - 0x80) * 3 + (b - 0x80) * (0xC0 - 0x80) * 3 + (c - 0x80) * 3] = a;
buffer[(a - 0xE1 - 1) * (0xC0 - 0x80) * (0xC0 - 0x80) * 3 + (b - 0x80) * (0xC0 - 0x80) * 3 + (c - 0x80) * 3 + 1] = b;
buffer[(a - 0xE1 - 1) * (0xC0 - 0x80) * (0xC0 - 0x80) * 3 + (b - 0x80) * (0xC0 - 0x80) * 3 + (c - 0x80) * 3 + 2] = c;
}
}
}
}
content = Buffer.concat([content, buffer]);
buffer = Buffer.alloc((0xC0 - 0xA0) * (0xC0 - 0x80) * 3);
for (let a = 0xED; a < 0xEE; a++) {
for (let b = 0x80; b < 0xA0; b++) {
for (let c = 0x80; c < 0xC0; c++) {
buffer[(b - 0x80) * (0xC0 - 0x80) * 3 + (c - 0x80) * 3] = a;
buffer[(b - 0x80) * (0xC0 - 0x80) * 3 + (c - 0x80) * 3 + 1] = b;
buffer[(b - 0x80) * (0xC0 - 0x80) * 3 + (c - 0x80) * 3 + 2] = c;
}
}
}
content = Buffer.concat([content, buffer]);
buffer = Buffer.alloc((0xC0 - 0x90) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4);
for (let a = 0xF0; a < 0xF1; a++) {
for (let b = 0x90; b < 0xC0; b++) {
for (let c = 0x80; c < 0xC0; c++) {
for (let d = 0x80; d < 0xC0; d++) {
buffer[(b - 0x90) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (c - 0x80) * (0xC0 - 0x80) * 4 + (d - 0x80) * 4] = a;
buffer[(b - 0x90) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (c - 0x80) * (0xC0 - 0x80) * 4 + (d - 0x80) * 4 + 1] = b;
buffer[(b - 0x90) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (c - 0x80) * (0xC0 - 0x80) * 4 + (d - 0x80) * 4 + 2] = c;
buffer[(b - 0x90) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (c - 0x80) * (0xC0 - 0x80) * 4 + (d - 0x80) * 4 + 3] = d;
}
}
}
}
content = Buffer.concat([content, buffer]);
buffer = Buffer.alloc((0xF4 - 0xF1) * (0xC0 - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4);
for (let a = 0xF1; a < 0xF4; a++) {
for (let b = 0x80; b < 0xC0; b++) {
for (let c = 0x80; c < 0xC0; c++) {
for (let d = 0x80; d < 0xC0; d++) {
buffer[(a - 0xF1) * (0xC0 - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (b - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (c - 0x80) * (0xC0 - 0x80) * 4 + (d - 0x80) * 4] = a;
buffer[(a - 0xF1) * (0xC0 - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (b - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (c - 0x80) * (0xC0 - 0x80) * 4 + (d - 0x80) * 4 + 1] = b;
buffer[(a - 0xF1) * (0xC0 - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (b - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (c - 0x80) * (0xC0 - 0x80) * 4 + (d - 0x80) * 4 + 2] = c;
buffer[(a - 0xF1) * (0xC0 - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (b - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (c - 0x80) * (0xC0 - 0x80) * 4 + (d - 0x80) * 4 + 3] = d;
}
}
}
}
content = Buffer.concat([content, buffer]);
buffer = Buffer.alloc((0x90 - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4);
for (let a = 0xF4; a < 0xF5; a++) {
for (let b = 0x80; b < 0x90; b++) {
for (let c = 0x80; c < 0xC0; c++) {
for (let d = 0x80; d < 0xC0; d++) {
buffer[(b - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (c - 0x80) * (0xC0 - 0x80) * 4 + (d - 0x80) * 4] = a;
buffer[(b - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (c - 0x80) * (0xC0 - 0x80) * 4 + (d - 0x80) * 4 + 1] = b;
buffer[(b - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (c - 0x80) * (0xC0 - 0x80) * 4 + (d - 0x80) * 4 + 2] = c;
buffer[(b - 0x80) * (0xC0 - 0x80) * (0xC0 - 0x80) * 4 + (c - 0x80) * (0xC0 - 0x80) * 4 + (d - 0x80) * 4 + 3] = d;
}
}
}
}
bench(Buffer.concat([content, buffer]), () => {});
});