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From: ludo@gnu.org (Ludovic Courtès)
To: Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>
Cc: guix-devel <guix-devel@gnu.org>
Subject: Re: [PATCH] Add Julia.
Date: Tue, 24 Mar 2015 21:45:55 +0100	[thread overview]
Message-ID: <87r3se15vg.fsf@gnu.org> (raw)
In-Reply-To: <idjvbhq1foh.fsf@bimsb-sys02.mdc-berlin.net> (Ricardo Wurmus's message of "Tue, 24 Mar 2015 18:14:06 +0100")

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

> May I suggest adding passing the "DYNAMIC_ARCH=1" flag in openblas
> instead of propagating non-substitutability to Julia?  When built with
> "DYNAMIC_ARCH=1" the CPU type can be picked with the environment
> variable OPENBLAS_CORETYPE=<type>.  If I'm not mistaken this makes
> substitutions for openblas possible.
>
> What do you think?

I think that this is the preferred option, when possible.  (Likewise
glibc uses IFUNCs to choose the right implementation of various
functions at load time; GMP is built --enable-fat, which works
similarly.)

Thanks,
Ludo’.

  reply	other threads:[~2015-03-24 20:46 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-20 11:16 [PATCH] Add Julia Ricardo Wurmus
2015-03-23  9:29 ` Ludovic Courtès
2015-03-23 21:35 ` Mark H Weaver
2015-03-24 14:56   ` Mark H Weaver
2015-03-24 17:14     ` Ricardo Wurmus
2015-03-24 20:45       ` Ludovic Courtès [this message]
2015-03-25 16:20       ` Mark H Weaver
2015-03-25 18:24         ` Ricardo Wurmus
2015-03-25 21:00           ` Mark H Weaver
2015-03-26 15:19         ` Mark H Weaver
2015-03-26 16:58           ` Ludovic Courtès
2015-03-26 21:14           ` Ricardo Wurmus
2015-03-29 13:21             ` Ludovic Courtès

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