lepu-test-platform-web/node_modules/fibers/test/cleanup.js

50 lines
1.0 KiB
JavaScript

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