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Commits on Feb 3, 2010
  1. speed up bind function for Variant

    myang authored
    Summary: The bind function for Variant is frequently called. For instance,
             every rvalAt returns a Variant and therefore involves a call to
             bind(). I did some manual inline to speed up bind especially when
             the type is primitive. For the following test case, the speed up is
             about 12.6%.
             function foo($a) {
               for ($i = 0; $i < 10000; $i++) {
                 for ($j = 0; $j < 10000; $j++) {
                   $b = $a[0];
             $a = array(1, 2, 3);
             time test.old
             real    0m3.990s
             user    0m3.948s
             sys     0m0.009s
             real    0m3.487s
             user    0m3.447s
             sys     0m0.008s
    Reviewed By: hzhao
    Test Plan: This change passed fast_tests and slow_tests
               Also made www and browsed the site
    Revert: OK
    DiffCamp Revision: 87941
    git-svn-id: 2248de34-8caa-4a3c-bc55-5e52d9d7b73a
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