Add parallel limit. #29

jkphl · Dec 10, 2014 · 12bfbcf · 12bfbcf
1 parent b188d5f
commit 12bfbcf
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/lib/iconizr.js b/lib/iconizr.js
@@ -22,6 +22,7 @@ UglifyJS		= require('uglify-js'),
 mkdirp			= require('mkdirp'),
 chalk			= require('chalk'),
 util			= require('util'),
+os 				= require('os'),
 defaultOptions	= {
 	// svg-sprite options
 	spritedir	: 'icons',
@@ -39,6 +40,9 @@ defaultOptions	= {
 	preview		: null
 };
 
+
+var CONCURRENT_TASKS_LIMIT = os.cpus().length * 2;
+
 /**
  * Restore the temporarily altered configuration options
  * 
@@ -224,7 +228,9 @@ Iconizr.prototype._svg2png = function(callback) {
 	if (this._options.verbose) {
 		console.log('Creating PNG versions of %s SVG images (including the sprite) ...', tasks.length);	
 	}
-	async.parallel(tasks, function(error) { callback(error); });
+
+	// launch talks in parallel with a limit to prevent a flood of process
+	async.parallelLimit(tasks, CONCURRENT_TASKS_LIMIT, function(error) { callback(error); });
 }
 
 /**