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js/src/devtools/gc/tests/dslots.js@b8a032363ba2 (annotated)

js/src/devtools/gc/tests/dslots.js

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	//Benchmark to measure overhead of dslots allocation and deallocation
michael@0	2
michael@0	3	function Object0() {};
michael@0	4	function Object1() { this.a=1; };
michael@0	5	function Object2() { this.a=1; this.b=1; };
michael@0	6	function Object3() { this.a=1; this.b=1; this.c=1; };
michael@0	7	function Object4() { this.a=1; this.b=1; this.c=1; this.d=1; };
michael@0	8	function Object5() { this.a=1; this.b=1; this.c=1; this.d=1; this.e=1; };
michael@0	9
michael@0	10	function test() {
michael@0	11	var N = 1e5;
michael@0	12	gc();
michael@0	13
michael@0	14	for(var i = 0; i<=5; i++)
michael@0	15	{
michael@0	16	var tmp = i==0 ? Object0 : i==1 ? Object1 : i==2 ? Object2 : i==3 ? Object3 : i==4 ? Object4 : Object5;
michael@0	17	for (var j = 0; j != N; j++) {
michael@0	18	var a = new tmp();
michael@0	19	}
michael@0	20	gc();
michael@0	21	}
michael@0	22	}
michael@0	23
michael@0	24	for(var i = 0; i<=5; i++) {
michael@0	25	test();
michael@0	26	}