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From: Mark H Weaver <mhw@netris.org>
To: Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>
Cc: guix <guix-devel@gnu.org>
Subject: Re: RFC: building numpy against OpenBLAS.
Date: Fri, 05 Jun 2015 09:54:24 -0400	[thread overview]
Message-ID: <87r3pqgt0v.fsf@netris.org> (raw)
In-Reply-To: <idjmw0jfu8w.fsf@bimsb-sys02.mdc-berlin.net> (Ricardo Wurmus's message of "Mon, 1 Jun 2015 15:11:59 +0200")

Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de> writes:

> Ricardo Wurmus writes:
>
>> python-numpy currently depends on Atlas, which means that it cannot be
>> substituted with a binary built elsewhere.  OpenBLAS is an alternative
>> to Atlas and the binary can be used on all supported CPUs at runtime.
>> This makes it possible for us to make numpy substitutable.
>>
>> We currently do not have a working OpenBLAS on MIPS, so the attached
>> patch selects OpenBLAS as an input only when not on MIPS.  Some
>> additional configuration happens only unless "atlas" is among the
>> inputs.
>
> If there are no objections I'd like to go ahead and push this patch to
> build numpy with OpenBLAS.  From the comments I gather that it's not as
> controversial a change as I suspected.

I think we should go ahead and switch to OpenBLAS on _all_ platforms,
not just on MIPS.  Were there any objections to that?  If not, I'd
advocate just doing it.

     Thanks!
       Mark

  parent reply	other threads:[~2015-06-05 13:54 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-22 15:00 RFC: building numpy against OpenBLAS Ricardo Wurmus
2015-05-22 15:16 ` Eric Bavier
2015-06-01 13:11 ` Ricardo Wurmus
2015-06-05 13:52   ` Mark H Weaver
2015-06-05 13:54   ` Mark H Weaver [this message]
2015-06-05 15:36     ` Mark H Weaver
2015-06-05 16:01     ` Ricardo Wurmus
2015-06-05 17:33       ` Mark H Weaver
2015-06-07 19:46         ` Ludovic Courtès
2015-06-07 21:32           ` Mark H Weaver
  -- strict thread matches above, loose matches on Subject: below --
2015-05-23  7:20 Federico Beffa
2015-05-27 15:50 ` Ricardo Wurmus
2015-05-28  6:38   ` Federico Beffa

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