[Webkit-unassigned] [Bug 70995] The GC should be parallel

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=70995


Geoffrey Garen <ggaren at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |ggaren at apple.com




--- Comment #32 from Geoffrey Garen <ggaren at apple.com>  2011-10-31 19:18:09 PST ---
> It's not about profitability in the execution time sense.  It's profitability in the space usage sense.

Makes sense. 

> > CPU(X86) is better than PLATFORM(MAC) here.
> 
> (CPU(X86) || CPU(X86_64)) && OS(UNIX) at least, right?  Or some manner of check for whether the compiler supports GCC-style inline asm?

Oh, right. This should do the trick: (CPU(X86) || CPU(X86_64)) && (COMPILER(GCC) || COMPILER(CLANG)).

> > This should be "#!defined(ENABLE_PARALLEL_GC)" instead of "!ENABLE(PARALLEL_GC)" (so you can manually define to disable parallel GC).
> 
> Oops!  And I guess this should also be guarded with some variant of CPU(X86) to get it to work on PPC.

Good point.

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