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9e0f6a5eb4
PR-URL: https://github.com/nodejs/node/pull/10927 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com>
84 lines
1.8 KiB
JavaScript
84 lines
1.8 KiB
JavaScript
'use strict';
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const common = require('../common.js');
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const v8 = require('v8');
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const bench = common.createBenchmark(main, {
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size: [16, 512, 1024, 4096, 16386],
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args: [1, 2, 3, 4, 5],
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millions: [1]
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});
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function main(conf) {
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const iter = (conf.millions >>> 0) * 1e6;
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const size = (conf.size >>> 0);
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const args = (conf.args >>> 0);
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const b0 = Buffer.alloc(size, 'a');
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const b1 = Buffer.alloc(size, 'a');
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const b0Len = b0.length;
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const b1Len = b1.length;
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var i;
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b1[size - 1] = 'b'.charCodeAt(0);
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// Force optimization before starting the benchmark
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switch (args) {
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case 2:
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b0.compare(b1, 0);
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break;
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case 3:
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b0.compare(b1, 0, b1Len);
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break;
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case 4:
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b0.compare(b1, 0, b1Len, 0);
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break;
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case 5:
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b0.compare(b1, 0, b1Len, 0, b0Len);
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break;
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default:
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b0.compare(b1);
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}
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v8.setFlagsFromString('--allow_natives_syntax');
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eval('%OptimizeFunctionOnNextCall(b0.compare)');
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switch (args) {
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case 2:
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b0.compare(b1, 0);
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bench.start();
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for (i = 0; i < iter; i++) {
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b0.compare(b1, 0);
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}
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bench.end(iter / 1e6);
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break;
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case 3:
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b0.compare(b1, 0, b1Len);
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bench.start();
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for (i = 0; i < iter; i++) {
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b0.compare(b1, 0, b1Len);
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}
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bench.end(iter / 1e6);
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break;
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case 4:
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b0.compare(b1, 0, b1Len, 0);
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bench.start();
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for (i = 0; i < iter; i++) {
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b0.compare(b1, 0, b1Len, 0);
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}
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bench.end(iter / 1e6);
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break;
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case 5:
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b0.compare(b1, 0, b1Len, 0, b0Len);
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bench.start();
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for (i = 0; i < iter; i++) {
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b0.compare(b1, 0, b1Len, 0, b0Len);
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}
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bench.end(iter / 1e6);
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break;
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default:
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b0.compare(b1);
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bench.start();
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for (i = 0; i < iter; i++) {
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b0.compare(b1);
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}
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bench.end(iter / 1e6);
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}
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}
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