[llvm-commits] [llvm jit adaptive-compilation] : Adaptive compilation framework x86 Patch

[Xin Tong Utoronto]

The original numbers are the same as what are given here. As the lli -O0 -
O3 is virtually the same as before if adaptive compilation is not enabled.


Thanks

Xin

On Mon, Jul 4, 2011 at 11:17 AM, James Molloy <james.molloy at arm.com> wrote:

> Hi Xin,****
>
> ** **
>
> What were the original numbers before adaptive compilation?****
>
> ** **
>
> Cheers,****
>
> ** **
>
> James****
>
> ** **
>
> *From:* llvm-commits-bounces at cs.uiuc.edu [mailto:
> llvm-commits-bounces at cs.uiuc.edu] *On Behalf Of *Xin Tong Utoronto
> *Sent:* 04 July 2011 16:14
> *To:* llvm-commits at cs.uiuc.edu
> *Subject:* [llvm-commits] [llvm jit adaptive-compilation] : Adaptive
> compilation framework x86 Patch****
>
> ** **
>
> Hi All****
>
>  ****
>
> This patch is intended to provide support for LLVM JIT adaptive compilation
> on x86 platforms. The implementation of the adaptive compilation framework
> is one of the Google Summer of Code 2011 projects (
> http://www.google-melange.com/gsoc/project/google/gsoc2011/timexerox/8001).
>  The patch is created against the LLVM branch below. It is currently
> reviewed by Eric Christoper at Apple and will be applied to the LLVM branch (
> https://echristo@
> llvm.org/svn/llvm-project/llvm/branches/GSoC/adaptive-compilation). But
> more eyes are definitely welcome. Originally, the LLVM adaptive compilation
> framework was intended to be applied to LLVM head stream, but due to
> concerns regarding the upcoming major changes on ExecutionEngine and MCJIT.
> it is now worked in a branch and hopefully applied to the head stream once
> the MCJIT changes have been completed.****
>
> ** **
>
> *This patch involves changes to *****
>
>  ****
>
> include/llvm/Target/TargetJITInfo.h****
>
> lib/Target/X86/X86JITInfo.h****
>
> lib/Target/X86/X86JITInfo.cpp****
>
> lib/Target/ARM/ARMJITInfo.h****
>
> lib/Target/ARM/ARMJITInfo.cpp****
>
> lib/Target/PowerPC/PPCJITInfo.h****
>
> lib/Target/PowerPC/PPCJITInfo.cpp****
>
> lib/ExecutionEngine/JIT/JITEmitter.cpp****
>
> lib/ExecutionEngine/JIT/JIT.h****
>
> lib/ExecutionEngine/JIT/JIT.cpp****
>
>  ****
>
> *This was tested on x86 and x86-64 under Ubuntu with*****
>
> ** **
>
> llvm test-suite****
>
>  ****
>
> *There were no regressions for the O0 - O3 JIT compilation. Additionally,
> adaptive compilation currently gives better performance numbers than O1 - O3
> as shown.*****
>
>  ****
>
> lli -O0****
>
> Total Time is 1068.37****
>
> lli -O1****
>
> Total Time is 1395.68****
>
>  ****
>
> lli -O2****
>
> Total Time is 1394.81****
>
>  ****
>
> lli -O3****
>
> Total Time is 1395.76****
>
>  ****
>
> lli -adaptive-comp****
>
> Total Time is 1119.23****
>
>  ****
>
>  ****
>
> Thank You****
>
> Xin Tong ****
>



-- 
Kind Regards

Xin Tong
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