From: Ken Thomas <kst@ecs.soton.ac.uk>
Subject: Re: problem with Real_Matrix*Real_Matrix
Date: Wed, 19 Sep 2012 01:55:15 -0700 (PDT)
Date: 2012-09-19T01:55:15-07:00 [thread overview]
Message-ID: <665e1a4e-58f9-47ce-a157-75b7eaf2b261@googlegroups.com> (raw)
In-Reply-To: <m2ipba4eb8.fsf@pushface.org>
On Wednesday, 19 September 2012 09:17:17 UTC+1, Simon Wright wrote:
> reinkor <reinkor@gmail.com> writes:
>
>
>
> > On Tuesday, September 18, 2012 10:33:42 PM UTC+2, AdaMagica wrote:
>
> >> It's a rather scary bug, isn't it. In an operation like this!
>
> >>
>
> >> Were AdaCore sleeping?
>
> >
>
> > But they have some formalized QA? N (>>1) tests to pass through at
>
> > every release?
>
>
>
> FSF GCC has the ACATS tests (not the latest version, though) + some
>
> GNAT-specific tests (there are 947 source files, some tests require as
>
> many as 3 sources).
>
>
>
> AdaCore tell us that they have, in addition, test cases that they don't
>
> make public (a lot of them are from bugs reported by customers and may
>
> contain sensitive material); and that all these tests are run on a
>
> regular basis.
>
>
>
> I would have expected there to be a set of tests about numerics, and I'd
>
> have expected these tests to be re-run after the refactoring that
>
> happened at the GCC 4.6-4.7 change.
This is indeed a pity. I have run some performance tests on a Windows machine (XP Intel 2 CPU 2GB ram). On multiplying two 500 by 500 matrices (Long_Float), a rate of 966 MFlops/Sec was achieved. This is good.
prev parent reply other threads:[~2012-09-19 8:55 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-17 13:37 problem with Real_Matrix*Real_Matrix reinkor
2012-09-17 17:01 ` Niklas Holsti
2012-09-18 10:18 ` Anatoly Chernyshev
2012-09-18 10:50 ` Simon Wright
2012-09-18 17:10 ` Anatoly Chernyshev
2012-09-18 18:16 ` Egil Høvik
2012-09-18 18:39 ` Anatoly Chernyshev
2012-09-18 19:23 ` Simon Wright
2012-09-18 20:33 ` AdaMagica
2012-09-19 6:11 ` reinkor
2012-09-19 8:17 ` Simon Wright
2012-09-19 8:55 ` Ken Thomas [this message]
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox