js/src/jit-test/tests/parallel/bug977853-convert-doubles.js@6474c204b198 (annotated)
js/src/jit-test/tests/parallel/bug977853-convert-doubles.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 | // Bug 977853 -- Pared down version of script exhibiting negative |
| michael@0 | 2 | // interaction with convert to doubles optimization. See bug for gory |
| michael@0 | 3 | // details. |
| michael@0 | 4 | |
| michael@0 | 5 | if (!getBuildConfiguration().parallelJS) |
| michael@0 | 6 | quit(); |
| michael@0 | 7 | |
| michael@0 | 8 | load(libdir + "parallelarray-helpers.js") |
| michael@0 | 9 | |
| michael@0 | 10 | var numIters = 5; |
| michael@0 | 11 | var golden_output; |
| michael@0 | 12 | |
| michael@0 | 13 | function PJS_div4(v, s) |
| michael@0 | 14 | { |
| michael@0 | 15 | return [ v[0]/s, v[1]/s, v[2]/s, v[3]/s ]; |
| michael@0 | 16 | } |
| michael@0 | 17 | |
| michael@0 | 18 | function PJS_normalized(v) |
| michael@0 | 19 | { |
| michael@0 | 20 | var d = Math.sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]); |
| michael@0 | 21 | d = d > 0.0 ? d : 1.0; |
| michael@0 | 22 | var result = [ v[0]/d, v[1]/d, v[2]/d, 1.0 ]; |
| michael@0 | 23 | return result; |
| michael@0 | 24 | } |
| michael@0 | 25 | |
| michael@0 | 26 | // This is the elemental function passed to mapPar |
| michael@0 | 27 | function PJS_displace(p) |
| michael@0 | 28 | { |
| michael@0 | 29 | var position = [p[0], p[1], p[2], 1.0]; |
| michael@0 | 30 | var normal = position; |
| michael@0 | 31 | var roughness = 0.025 / 0.35; |
| michael@0 | 32 | normal = PJS_normalized(PJS_div4(normal, roughness)); |
| michael@0 | 33 | return null; |
| michael@0 | 34 | } |
| michael@0 | 35 | var NUM_VERTEX_COMPONENTS = 3; |
| michael@0 | 36 | var initPos, nVertices; |
| michael@0 | 37 | var userData = { |
| michael@0 | 38 | nVertices : 25, //2880, |
| michael@0 | 39 | initPos : [], |
| michael@0 | 40 | }; |
| michael@0 | 41 | function setup() { |
| michael@0 | 42 | for(var k = 0; k < NUM_VERTEX_COMPONENTS*userData.nVertices; k++) { |
| michael@0 | 43 | userData.initPos[k] = k/1000; |
| michael@0 | 44 | } |
| michael@0 | 45 | nVertices = userData.nVertices; |
| michael@0 | 46 | initPos = new Array(nVertices); |
| michael@0 | 47 | for(var i=0, j=0; i<nVertices; i++, j+=NUM_VERTEX_COMPONENTS) { |
| michael@0 | 48 | initPos[i] = [userData.initPos[j], |
| michael@0 | 49 | userData.initPos[j+1], |
| michael@0 | 50 | userData.initPos[j+2]]; |
| michael@0 | 51 | } |
| michael@0 | 52 | } |
| michael@0 | 53 | function SimulatePJS() { |
| michael@0 | 54 | var curPosAndNor; |
| michael@0 | 55 | |
| michael@0 | 56 | // Measure Parallel Execution |
| michael@0 | 57 | assertParallelExecSucceeds( |
| michael@0 | 58 | function(m) { return initPos.mapPar(PJS_displace, m); }, |
| michael@0 | 59 | function() { }); |
| michael@0 | 60 | } |
| michael@0 | 61 | var start_time, elapsed_parallel = 0, elapsed_sequential = 0; |
| michael@0 | 62 | setup(); |
| michael@0 | 63 | SimulatePJS(); |
