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Re: [PATCH] Speed up gfortran.dg/vect/fast-math-pr38968.f90 testcase
- From: Richard Biener <rguenther at suse dot de>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Wed, 12 Dec 2012 10:20:27 +0100 (CET)
- Subject: Re: [PATCH] Speed up gfortran.dg/vect/fast-math-pr38968.f90 testcase
- References: <20121211184106.GW2315@tucnak.redhat.com>
On Tue, 11 Dec 2012, Jakub Jelinek wrote:
> Hi!
>
> Lately this testcase often timesout for me on a busy box,
> I don't see a point iterating 2000^3 times, with 400^3 it is much faster
> and I still could reproduce the problem before the corresponding fix
> and the vectorizer r145171 fix fixed it.
>
> Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
Ok.
Thanks,
Richard.
> 2012-12-11 Jakub Jelinek <jakub@redhat.com>
>
> * gfortran.dg/vect/fast-math-pr38968.f90: Decrease n
> from 2000 to 400.
>
> --- gcc/testsuite/gfortran.dg/vect/fast-math-pr38968.f90.jj 2011-01-25 18:39:53.000000000 +0100
> +++ gcc/testsuite/gfortran.dg/vect/fast-math-pr38968.f90 2012-12-11 16:19:45.222105217 +0100
> @@ -7,7 +7,7 @@
> program mymatmul
> implicit none
> integer, parameter :: kp = 4
> - integer, parameter :: n = 2000
> + integer, parameter :: n = 400
> real(kp), dimension(n,n) :: rr, ri
> complex(kp), dimension(n,n) :: a,b,c
> real :: t1, t2
>
> Jakub
>
>
--
Richard Biener <rguenther@suse.de>
SUSE / SUSE Labs
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