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    • danno@chromium.org's avatar
      Fix performance regressions due to lazy initialization. · 63f03357
      danno@chromium.org authored
      This CL:
      - Adds a new trait parameter to LazyInstance to let it initialize the instance
        without paying the cost of atomic operations (which are expensive on Mac).
        This only works for users who don't care about thread-safety and this is now
      the default initialization trait used by LazyInstance in v8.
      
      - Reverts the changes that were made in r11010 in isolate.{cc,h}. That lets
        Isolate's accessors be as cheap as they were before (but adds one static initializer).
      
      - Adds OS::PostSetup() used to initialize the math functions which depend on CPU features.
      That lets the math functions get rid of CallOnce().
      
      BUG=118686
      
      Review URL: https://chromiumcodereview.appspot.com/9873023
      Patch from Philippe Liard <pliard@chromium.org>.
      
      git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11198 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
      63f03357
  16. 12 Mar, 2012 1 commit
  17. 08 Feb, 2012 1 commit
  18. 07 Feb, 2012 1 commit
  19. 06 Feb, 2012 1 commit
  20. 07 Apr, 2011 1 commit
  21. 29 Mar, 2011 1 commit
  22. 09 Sep, 2008 1 commit
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  24. 22 Aug, 2008 1 commit
    • christian.plesner.hansen's avatar
      Included mjsunit JavaScript test suite and C++ unit tests. · c42f5829
      christian.plesner.hansen authored
      In the shell sample don't print the result of executing a script, only
      evaluating expressions.
      
      Fixed issue when building samples on Windows using a shared V8
      library.  Added visibility option on Linux build which makes the
      generated library 18% smaller.
      
      Changed build system to accept multiple build modes in one build and
      generate seperate objects, libraries and executables for each mode.
      
      Removed deferred negation optimization (a * -b => -(a * b)) since this
      visibly changes operand conversion order.
      
      Improved parsing performance by introducing stack guard in preparsing.
      Without a stack guard preparsing always bails out with stack overflow.
      
      
      git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
      c42f5829