I am using them as default. Now the only issue with the test above is
that the original gaussian filter is still very slooooow. I have to
figure out the correspondence between gegl-gaussian-blur and the
gaussian blur filter.
On Mon, May 14, 2012 at 9:41 AM, Patrick Horgan <phorg...@yahoo.com> wrote:
> On 05/12/2012 10:25 AM, Partha Bagchi wrote:
>> I followed your suggestions and built
>> babl-0.1.11/gegl-0.2.1/Gimp-2.8.0 using -Ofast -ffast-math
>> -ftree-vectorize. Using these flags, I reran the test at the top of
>> the thread. The c2g rendering on my machine is now 36 seconds as
>> compared to 6 minutes. I am impressed. :)
> If it makes such a difference, shouldn't they be defaults?
>> Now to test out gimp 2.9.1. That should be fun.
>> On Sun, Apr 29, 2012 at 6:54 AM, Øyvind Kolås <pip...@gimp.org> wrote:
>>> On Sun, Apr 29, 2012 at 10:44 AM, Jernej Simončič
>>> <jernej|s-gm...@eternallybored.org> wrote:
>>>> On Sun, 29 Apr 2012 03:31:26 +0200, Øyvind Kolås wrote:
>>>>> It also turns out that babl and GEGL on win32 seem to be compiled
>>>>> practically without optimization and without taking modern instruction
>>>>> sets into account, making any testing of them on windows
>>>>> unrepresentative of their actual performance.
>>>> What are the recommended optimization flags?
>>> 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 future is already here. It's just not very evenly distributed»
>>> -- William Gibson
>>> http://pippin.gimp.org/ http://ffii.org/
>>> gimp-user-list mailing list
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