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111239
2014 Aug 01
2
[LLVMdev] Recent compile time performance regressions
Hi Chandler,
On an x86 system, for ToT LLVM:
With "Remove support for LLVM runtime multithreading": 23.8788
With patch reverted: 22.5229
That's around 6% regression.
Detailed JSON file is at http://paste.debian.net/113238,
http://paste.debian.net/113239
-Yi
On 1 August 2014 21:56, Chandler Carruth <chandlerc at google.com> wrote:
>
> On Fri, Aug 1, 2014 at 1:47 PM, Yi Kong <kongy.dev at gmail.com> wrote:
>>
>> However the multithreading stuff is real regression and I'm able to
>> reproduce same regression...
2014 Aug 01
3
[LLVMdev] Recent compile time performance regressions
On 1 August 2014 21:33, Chandler Carruth <chandlerc at google.com> wrote:
>> Note, this patch is actually the smaller culprit, around 209801 there is
>> another performance regression, but I have no idea if/where this is coming
>> from or if this for some reason is a false positive.
>
>
> I'm having to question the results on this bot. The range of commits