50 lines
1.0 KiB
JavaScript
50 lines
1.0 KiB
JavaScript
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"use strict";
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var Fiber = require('fibers');
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Fiber.poolSize = 100;
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let v8 = /^([0-9]+)\.([0-9]+)/.exec(process.versions.v8);
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if (v8[1] > 4 || (v8[1] == 4 && v8[2] >= 10)) {
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// Vague benchmark of fiber performance, lower is better
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function bench() {
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var d = new Date;
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for (var ii = 0; ii < 100; ++ii) {
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var fibers = [];
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for (var jj = 0; jj < Fiber.poolSize; ++jj) {
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var fiber = Fiber(function() {
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Fiber.yield();
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});
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fiber.run();
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fibers.push(fiber);
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}
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fibers.map(function(fiber) {
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fiber.run();
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});
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}
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return new Date - d;
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}
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// Run initial benchmark
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var ts1 = Math.min(bench(), bench());
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// Dirty up isolate list
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var fibers = [];
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for (var ii = 0; ii < Fiber.poolSize + 1000; ++ii) {
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let fiber = Fiber(function() {
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Fiber.yield();
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});
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fiber.run();
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fibers.push(fiber);
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}
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fibers.map(function(fiber) {
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fiber.run();
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});
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// Test again
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var ts2 = Math.min(bench(), bench());
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console.log(ts1 * 2 < ts2 ? 'fail' : 'pass');
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} else {
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// Feature is not supported
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console.log('pass');
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}
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