[Llvm-bgq-discuss] clang on BGQ performance

[Jeff Hammond]

Have you looked at the asm to see what the major difference in codegen
between clang and gcc is?

Jeff

On Tue, Mar 25, 2014 at 9:14 AM, Biddiscombe, John A. <biddisco at cscs.ch> wrote:
> Thomas
>
>>
>> So the problems you are experiencing is not related to HPX after all?
>>
>
> I'm really not sure what I'm doing wrong at the moment.
> Based on these figures, it looks as though my results from HPX are bad, but part of the badness might be clang related.
>
> I'll have to recompile everything with GCC and try to get around the other issues I was having to be certain.
>
> JB
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-- 
Jeff Hammond
Argonne Leadership Computing Facility
University of Chicago Computation Institute
jhammond at anl.gov / jhammond at uchicago.edu / (630) 252-5381
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