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comparison: js/src/jit-test/tests/parallel/bug977853-convert-doubles.js
js/src/jit-test/tests/parallel/bug977853-convert-doubles.js
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| -1:000000000000 | 0:7a4b3bb3643c |
|---|---|
| 1 // Bug 977853 -- Pared down version of script exhibiting negative | |
| 2 // interaction with convert to doubles optimization. See bug for gory | |
| 3 // details. | |
| 4 | |
| 5 if (!getBuildConfiguration().parallelJS) | |
| 6 quit(); | |
| 7 | |
| 8 load(libdir + "parallelarray-helpers.js") | |
| 9 | |
| 10 var numIters = 5; | |
| 11 var golden_output; | |
| 12 | |
| 13 function PJS_div4(v, s) | |
| 14 { | |
| 15 return [ v[0]/s, v[1]/s, v[2]/s, v[3]/s ]; | |
| 16 } | |
| 17 | |
| 18 function PJS_normalized(v) | |
| 19 { | |
| 20 var d = Math.sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]); | |
| 21 d = d > 0.0 ? d : 1.0; | |
| 22 var result = [ v[0]/d, v[1]/d, v[2]/d, 1.0 ]; | |
| 23 return result; | |
| 24 } | |
| 25 | |
| 26 // This is the elemental function passed to mapPar | |
| 27 function PJS_displace(p) | |
| 28 { | |
| 29 var position = [p[0], p[1], p[2], 1.0]; | |
| 30 var normal = position; | |
| 31 var roughness = 0.025 / 0.35; | |
| 32 normal = PJS_normalized(PJS_div4(normal, roughness)); | |
| 33 return null; | |
| 34 } | |
| 35 var NUM_VERTEX_COMPONENTS = 3; | |
| 36 var initPos, nVertices; | |
| 37 var userData = { | |
| 38 nVertices : 25, //2880, | |
| 39 initPos : [], | |
| 40 }; | |
| 41 function setup() { | |
| 42 for(var k = 0; k < NUM_VERTEX_COMPONENTS*userData.nVertices; k++) { | |
| 43 userData.initPos[k] = k/1000; | |
| 44 } | |
| 45 nVertices = userData.nVertices; | |
| 46 initPos = new Array(nVertices); | |
| 47 for(var i=0, j=0; i<nVertices; i++, j+=NUM_VERTEX_COMPONENTS) { | |
| 48 initPos[i] = [userData.initPos[j], | |
| 49 userData.initPos[j+1], | |
| 50 userData.initPos[j+2]]; | |
| 51 } | |
| 52 } | |
| 53 function SimulatePJS() { | |
| 54 var curPosAndNor; | |
| 55 | |
| 56 // Measure Parallel Execution | |
| 57 assertParallelExecSucceeds( | |
| 58 function(m) { return initPos.mapPar(PJS_displace, m); }, | |
| 59 function() { }); | |
| 60 } | |
| 61 var start_time, elapsed_parallel = 0, elapsed_sequential = 0; | |
| 62 setup(); | |
| 63 SimulatePJS(); |
