The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/parallel/Array-reducePar-bail.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,32 @@
     1.4 +load(libdir + "parallelarray-helpers.js");
     1.5 +
     1.6 +// Tests that reduce saves its intermediate state correctly by
     1.7 +// inducing a bailout in the middle of the reduction.  This test may
     1.8 +// fail to test what it is intended to test if the wrong number of
     1.9 +// worker threads etc are present.  It reproduced an existing bug when
    1.10 +// used with 8 worker threads.
    1.11 +
    1.12 +function testReduce() {
    1.13 +  var aCounter = 0;
    1.14 +  function sum(a, b) {
    1.15 +    var r = a + b;
    1.16 +    if (r == 234) // occurs once per slice
    1.17 +      aCounter++;
    1.18 +    return r;
    1.19 +  }
    1.20 +
    1.21 +  // We use a big array, to make sure that the test runs with 64 slices.
    1.22 +  var array = build(8 * 4096, function() { return 1; });
    1.23 +  var seqResult = array.reduce(sum);
    1.24 +  var seqCounter = aCounter;
    1.25 +
    1.26 +  aCounter = 0;
    1.27 +  var parResult = array.reducePar(sum);
    1.28 +  var parCounter = aCounter;
    1.29 +
    1.30 +  assertEq(true, parCounter >= seqCounter);
    1.31 +  assertStructuralEq(parResult, seqResult);
    1.32 +}
    1.33 +
    1.34 +if (getBuildConfiguration().parallelJS)
    1.35 +  testReduce();