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Posted to dev@harmony.apache.org by Stefano Mazzocchi <st...@apache.org> on 2006/12/18 17:31:59 UTC
Re: [jira] Created: (HARMONY-2778) [drlvm][jitrino] Inlining of API
methods as magics. Platform dependent part of the framework.
Mikhail Fursov (JIRA) wrote:
> [drlvm][jitrino] Inlining of API methods as magics. Platform dependent part of the framework.
> ---------------------------------------------------------------------------------------------
>
> Key: HARMONY-2778
> URL: http://issues.apache.org/jira/browse/HARMONY-2778
> Project: Harmony
> Issue Type: Improvement
> Components: DRLVM
> Reporter: Mikhail Fursov
>
>
> This patch introduces a framework to replace known JAVA API calls with fast native platform dependent instruction sequences.
>
> The patch contains:
> 1) Inlining of Long/Integer bits manipulation methods for IA32/EM64T platform (these methods are hot in SpecJBB2005).
> 2) BSF inst implementation in encoder
> 3) The fix ControlFlowGraph.cpp for the problem revealed by this patch.
> 4) Refactoring of the inliner's method table. The method_table code now uses MemoryManager and all memory leaks found are fixed.
Nice!
What is the performance improvement that you have noticed?
--
Stefano.