From: Ricardo Wurmus <rekado@elephly.net>
To: Dave Love <fx@gnu.org>
Cc: guix-devel@gnu.org
Subject: Re: OpenBLAS and performance
Date: Wed, 20 Dec 2017 16:06:17 +0100 [thread overview]
Message-ID: <87k1xhxwuu.fsf@elephly.net> (raw)
In-Reply-To: <87h8sl78vp.fsf@albion.it.manchester.ac.uk>
Hi Dave,
> I wrote:
>
>> If you do provide some sort of threaded version for Python, then as far
>> as I remember it must use pthreads, not OpenMP, though you want the
>> OpenMP version for other purposes, and I hadn't realized there wasn't
>> one currently.
>
> I was confused. I see the only version of the library shipped is built
> with pthreads. I think there should be serial, pthreads, and OpenMP
> versions, as for Fedora.
Do these library variants have the same binary interface, so that a user
could simply preload one of them to override the default variant we use
in the input graph of a given package?
--
Ricardo
GPG: BCA6 89B6 3655 3801 C3C6 2150 197A 5888 235F ACAC
https://elephly.net
next prev parent reply other threads:[~2017-12-21 22:57 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-19 10:49 OpenBLAS and performance Pjotr Prins
2017-12-19 17:12 ` Ludovic Courtès
2017-12-20 11:50 ` Dave Love
2017-12-20 14:48 ` Dave Love
2017-12-20 15:06 ` Ricardo Wurmus [this message]
2017-12-22 12:24 ` Dave Love
2017-12-20 17:22 ` Pjotr Prins
2017-12-20 18:15 ` Ricardo Wurmus
2017-12-20 19:28 ` Pjotr Prins
2017-12-20 20:00 ` Ricardo Wurmus
2017-12-20 20:32 ` Pjotr Prins
2017-12-20 19:02 ` Eric Bavier
2017-12-21 16:38 ` Dave Love
2017-12-20 23:02 ` Ricardo Wurmus
2017-12-21 10:36 ` Pjotr Prins
2017-12-21 14:43 ` Ludovic Courtès
2017-12-22 14:35 ` Dave Love
2017-12-21 16:17 ` Dave Love
2017-12-21 16:46 ` Ricardo Wurmus
2017-12-21 14:55 ` Ludovic Courtès
2017-12-22 12:45 ` Dave Love
2017-12-22 15:10 ` Ludovic Courtès
2017-12-22 16:08 ` Pjotr Prins
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