[LLVMdev] Polly issue

[Matthieu Brucher]

Hi,

How many cores do you have?

Matthieu


2013/5/20 maxs <xtxwy.ustc at gmail.com>

> Hi,
>     When I test "matmul" in the polly directory, I get the following
> performance data:
> //============================**===
> --> 12. Compare the runtime of the executables
> time ./matmul.normalopt.exe
> 0:23.53 real, 23.48 user, 0.00 sys
> time ./matmul.polly.interchanged.**exe
> 0:22.86 real, 22.82 user, 0.01 sys
> time ./matmul.polly.interchanged+**tiled.exe
> 0:22.87 real, 22.83 user, 0.00 sys
> time ./matmul.polly.interchanged+**tiled+vector.exe
> 0:22.53 real, 22.48 user, 0.02 sys
> time ./matmul.polly.interchanged+**tiled+vector+openmp.exe
> 0:05.88 real, 46.71 user, 0.02 sys
> //============================**===
>     The data is different from the official site "http://polly.llvm.org/**
> example_manual_matmul.html<http://polly.llvm.org/example_manual_matmul.html>"
> results. Any advices? Thanks.
>
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