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utilising async series if OS reports that system only contains one CPU processor

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This commit is contained in:
Julian Lam
2017-02-08 10:42:55 -05:00
parent d5a45832c3
commit ce2bda0648
1 changed files with 10 additions and 1 deletions
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11
src/meta/build.js
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@@ -45,6 +45,9 @@ exports.build = function build(targets, callback) {
exports.buildTargets = function (targets, callback) { exports.buildTargets = function (targets, callback) {
var cacheBuster = require('./cacheBuster'); var cacheBuster = require('./cacheBuster');
var meta = require('../meta'); var meta = require('../meta');
var numCpus = require('os').cpus().length;
var strategy = (targets.length > 1 && numCpus > 1);
buildStart = buildStart || Date.now(); buildStart = buildStart || Date.now();
var step = function (startTime, target, next, err) { var step = function (startTime, target, next, err) {
@@ -56,7 +59,13 @@ exports.buildTargets = function (targets, callback) {
next(); next();
}; };
async.parallel([ if (strategy) {
winston.verbose('[build] Utilising multiple cores/processes');
} else {
winston.verbose('[build] Utilising single-core');
}
async[strategy ? 'parallel' : 'series']([
function (next) { function (next) {
if (targets.indexOf('js') !== -1) { if (targets.indexOf('js') !== -1) {
winston.info('[build] Building javascript'); winston.info('[build] Building javascript');