node: improve process.nextTick performance

Ruben Bridgewater · Ruben Bridgewater · commit 16ad4b761b0d · 2016-02-05T00:35:04.000+01:00
Using a predefined array size prevents resizing
the array and is therefor faster.
diff --git a/src/node.js b/src/node.js
@@ -457,9 +457,9 @@
 
 var args;
 if (arguments.length > 1){
- args = [];
+ args = new Array(arguments.length - 1);
 for (var i = 1; i < arguments.length; i++)
- args.push(arguments[i]);
+ args[i - 1] = arguments[i];
 }
 
 nextTickQueue.push(new TickObject(callback, args));

-Original file line number
+Diff line change
 varargs;
 if(arguments.length>1){
 -args=[];
 +args=newArray(arguments.length-1);
 for(vari=1;i<arguments.length;i++)
 -args.push(arguments[i]);
 +args[i-1]=arguments[i];
+}
 nextTickQueue.push(newTickObject(callback,args));