Yeah, I can try to do benchmarking with such optset instead of O3.
Thanks,
Igor
On Thu, Oct 17, 2013 at 2:19 PM, Richard Biener
wrote:
> On Wed, Oct 16, 2013 at 12:22 PM, Kyrill Tkachov
> wrote:
>> On 16/10/13 10:37, pins...@gmail.com wrote:
On Oct 15, 2013, at 6:58 AM, Igor Zamyatin
On Wed, Oct 16, 2013 at 12:22 PM, Kyrill Tkachov wrote:
> On 16/10/13 10:37, pins...@gmail.com wrote:
>>>
>>> On Oct 15, 2013, at 6:58 AM, Igor Zamyatin wrote:
>>> Hi All!
>>>
>>> Is there any particular reason that matmul* modules from libgfortran
>>> are compiled with -O2 -ftree-vectorize?
>>>
Yeah, this is my point exactly. Atom case seems just triggered that fact.
On Wed, Oct 16, 2013 at 2:22 PM, Kyrill Tkachov wrote:
> On 16/10/13 10:37, pins...@gmail.com wrote:
>>>
>>> On Oct 15, 2013, at 6:58 AM, Igor Zamyatin wrote:
>>> Hi All!
>>>
>>> Is there any particular reason that matmul
On 16/10/13 10:37, pins...@gmail.com wrote:
On Oct 15, 2013, at 6:58 AM, Igor Zamyatin wrote:
Hi All!
Is there any particular reason that matmul* modules from libgfortran
are compiled with -O2 -ftree-vectorize?
I see some regressions on Atom processor after r202980
(http://gcc.gnu.org/ml/gcc-c
> On Oct 15, 2013, at 6:58 AM, Igor Zamyatin wrote:
>
> Hi All!
>
> Is there any particular reason that matmul* modules from libgfortran
> are compiled with -O2 -ftree-vectorize?
>
> I see some regressions on Atom processor after r202980
> (http://gcc.gnu.org/ml/gcc-cvs/2013-09/msg00846.html)
Thanks a lot for the explanation!
I can take care of the benchmarking but only on Intel hardware... Do
you think that possble changes according those results would be
acceptable?
Thanks,
Igor
On Tue, Oct 15, 2013 at 11:46 PM, Janne Blomqvist
wrote:
> On Tue, Oct 15, 2013 at 4:58 PM, Igor Zamyat
On Tue, Oct 15, 2013 at 4:58 PM, Igor Zamyatin wrote:
> Hi All!
>
> Is there any particular reason that matmul* modules from libgfortran
> are compiled with -O2 -ftree-vectorize?
Yes, testing showed that it improved performance compared to the
default options. See the thread starting at
http://g
On 10/15/2013 03:58 PM, Igor Zamyatin wrote:
Hi All!
Is there any particular reason that matmul* modules from libgfortran
are compiled with -O2 -ftree-vectorize?
I see some regressions on Atom processor after r202980
(http://gcc.gnu.org/ml/gcc-cvs/2013-09/msg00846.html)
Why not just use O3 fo
Hi All!
Is there any particular reason that matmul* modules from libgfortran
are compiled with -O2 -ftree-vectorize?
I see some regressions on Atom processor after r202980
(http://gcc.gnu.org/ml/gcc-cvs/2013-09/msg00846.html)
Why not just use O3 for those modules?
Thanks,
Igor
