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comparison: js/src/jit-test/tests/parallel/math-fcns.js
js/src/jit-test/tests/parallel/math-fcns.js
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| 1 // |jit-test| slow; | |
| 2 load(libdir + "parallelarray-helpers.js"); | |
| 3 | |
| 4 // The MathCache has 4096 entries, so ensure we overwrite at least one | |
| 5 // entry by using > 4096 distinct inputs. | |
| 6 | |
| 7 var len = 5000; | |
| 8 var iters = 100; | |
| 9 | |
| 10 // The problem we are trying to expose (Bugzilla 901000) is | |
| 11 // a data-race on the MathCache; such a bug is inherently | |
| 12 // non-deterministic. On a 4 core Mac laptop: | |
| 13 // | |
| 14 // len == 10000 iters==1 replicates the problem on 2/10 runs, | |
| 15 // len == 10000 iters==2 replicates the problem on 3/10 runs, | |
| 16 // len == 10000 iters==5 replicates the problem on 6/10 runs, | |
| 17 // len == 10000 iters==10 replicates the problem on 9/10 runs. | |
| 18 // | |
| 19 // len == 5000 iters==1 replicates the problem on 1/10 runs, | |
| 20 // len == 5000 iters==2 replicates the problem on 4/10 runs, | |
| 21 // len == 5000 iters==5 replicates the problem on 5/10 runs, | |
| 22 // len == 5000 iters==10 replicates the problem on 9/10 runs. | |
| 23 // | |
| 24 // len == 2000 iters==1 replicates the problem on 0/10 runs, | |
| 25 // len == 2000 iters==2 replicates the problem on 0/10 runs, | |
| 26 // len == 2000 iters==5 replicates the problem on 0/10 runs, | |
| 27 // len == 2000 iters==10 replicates the problem on 3/10 runs | |
| 28 | |
| 29 function check(fill) { | |
| 30 var seq = Array.build(len, fill); | |
| 31 for (var i = 0; i < iters; i++) { | |
| 32 var par = Array.buildPar(len, fill); | |
| 33 assertStructuralEq(par, seq); | |
| 34 } | |
| 35 } | |
| 36 | |
| 37 function checkAbs(a) { check(function (i) { return Math.abs(a[i]); }); } | |
| 38 function checkAcos(a) { check(function (i) { return Math.acos(a[i]); }); } | |
| 39 function checkAsin(a) { check(function (i) { return Math.asin(a[i]); }); } | |
| 40 function checkAtan(a) { check(function (i) { return Math.atan(a[i]); }); } | |
| 41 function checkAtan2(a) { check(function (i) { return Math.atan2(a[i]); }); } | |
| 42 function checkCeil(a) { check(function (i) { return Math.ceil(a[i]); }); } | |
| 43 function checkCos(a) { check(function (i) { return Math.cos(a[i]); }); } | |
| 44 function checkExp(a) { check(function (i) { return Math.exp(a[i]); }); } | |
| 45 function checkFloor(a) { check(function (i) { return Math.floor(a[i]); }); } | |
| 46 function checkLog(a) { check(function (i) { return Math.log(a[i]); }); } | |
| 47 function checkRound(a) { check(function (i) { return Math.round(a[i]); }); } | |
| 48 function checkSin(a) { check(function (i) { return Math.sin(a[i]); }); } | |
| 49 function checkSqrt(a) { check(function (i) { return Math.sqrt(a[i]); }); } | |
| 50 function checkTan(a) { check(function (i) { return Math.tan(a[i]); }); } | |
| 51 | |
| 52 function callVariousUnaryMathFunctions() { | |
| 53 // We might want to consider making this test adopt seedrandom.js | |
| 54 // and call Math.seedrandom("seed") here ... | |
| 55 // function fill(i) { return (2*Math.random())-1; } | |
| 56 // function fill(i) { return (20*Math.random())-10; } | |
| 57 // | |
| 58 // ... but its easiest to just drop the pseudo-random input entirely. | |
| 59 function fill(i) { return 10/i; } | |
| 60 var input = Array.build(len, fill); | |
| 61 | |
| 62 checkAbs(input); //print("abs"); | |
| 63 checkAcos(input); //print("acos"); | |
| 64 checkAsin(input); //print("asin"); | |
| 65 checkAtan(input); //print("atan"); | |
| 66 | |
| 67 checkAtan2(input); //print("atan2"); | |
| 68 checkCeil(input); //print("ceil"); | |
| 69 checkCos(input); //print("cos"); | |
| 70 checkExp(input); //print("exp"); | |
| 71 | |
| 72 checkFloor(input); //print("floor"); | |
| 73 checkLog(input); //print("log"); | |
| 74 checkRound(input); //print("round"); | |
| 75 checkSin(input); //print("sin"); | |
| 76 | |
| 77 checkSqrt(input); //print("sqrt"); | |
| 78 checkTan(input); //print("tan"); | |
| 79 } | |
| 80 | |
| 81 if (getBuildConfiguration().parallelJS) | |
| 82 callVariousUnaryMathFunctions(); |
