Re: Benchmarking Gimp/GEGL

[Partha Bagchi <partha1b@xxxxxxxxx>]

On Sun, Apr 29, 2012 at 9:20 AM, Jernej Simončič
<jernej|s-gmane@xxxxxxxxxxxxxxxxxx> wrote:
> On Sun, 29 Apr 2012 12:54:37 +0200, Øyvind Kolås wrote:
>
>> On win32, no idea, perhaps look at what compiler flags are being used
>> on linux? This is signal processing code and everything from
>> -ffast-math to -ftree-vectorize and probably more are important.
>
> The compiler is still gcc, so the same optimization flags that apply to
> Linux apply to Windows, too. Right now I'm using "-O2 -mtune=barcelona
> -mtune=core2 -mfpmath=sse -msse2" for 32-bit build and "-O2
> -mtune=barcelona -mtune=core2" for 64-bit build.
>
> --
> < Jernej Simončič ><><><><>< http://eternallybored.org/ >
>
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I agree.

I just read here (http://pointclouds.org/news/ffast-math.html), it
might not be safe to use -ffast-math. I might be worthwhile to turn on
-ftree-vectorize for Windows.

Thanks,
Partha
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