js/src/devtools/gc/tests/dslots.js@6474c204b198 (annotated)
js/src/devtools/gc/tests/dslots.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| 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 | } |
