dslots.js - mozsearch

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//Benchmark to measure overhead of dslots allocation and deallocation

function Object0() {};

function Object1() { this.a=1; };

function Object2() { this.a=1; this.b=1; };

function Object3() { this.a=1; this.b=1; this.c=1; };

function Object4() { this.a=1; this.b=1; this.c=1; this.d=1; };

function Object5() { this.a=1; this.b=1; this.c=1; this.d=1; this.e=1; };

function test() {

    var N = 1e5;

    gc();

    for(var i = 0; i<=5; i++)

        var tmp = i==0 ? Object0 : i==1 ? Object1 : i==2 ? Object2 : i==3 ? Object3 : i==4 ? Object4 : Object5;

        for (var j = 0; j != N; j++) {

            var a = new tmp();

        gc();

for(var i = 0; i<=5; i++) {

    test();