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Re: OpenBLAS and performance
From: |
Ricardo Wurmus |
Subject: |
Re: OpenBLAS and performance |
Date: |
Thu, 21 Dec 2017 00:02:55 +0100 |
User-agent: |
mu4e 1.0-alpha3; emacs 25.3.1 |
Pjotr Prins <address@hidden> writes:
> On Wed, Dec 20, 2017 at 09:00:46PM +0100, Ricardo Wurmus wrote:
>> > I do think we need to default to a conservative openblas for general
>> > use. Question is how we make it fly on dedicated hardware.
>>
>> Have you tried preloading the special library with LD_PRELOAD?
>
> It is not a question of what I can do. It is a question of how we give
> other people the benefit of optimized libs in an elegant way.
I’m asking because preloading different BLAS libraries is a thing. If
this works then we can ask people to just pick their favourite BLAS
library variant and preload it. We don’t need to build all combinations
of library variants and applications.
> I think channels actually should make a difference if we don't cater
> in default Guix for such use cases.
I think channels (and really: alternative build farms) do make sense for
tuned builds.
--
Ricardo
GPG: BCA6 89B6 3655 3801 C3C6 2150 197A 5888 235F ACAC
https://elephly.net
- Re: OpenBLAS and performance, (continued)
- Re: OpenBLAS and performance, Ludovic Courtès, 2017/12/19
- Re: OpenBLAS and performance, Dave Love, 2017/12/20
- Re: OpenBLAS and performance, Dave Love, 2017/12/20
- Re: OpenBLAS and performance, Pjotr Prins, 2017/12/20
- Re: OpenBLAS and performance, Ricardo Wurmus, 2017/12/20
- Re: OpenBLAS and performance, Pjotr Prins, 2017/12/20
- Re: OpenBLAS and performance, Ludovic Courtès, 2017/12/21
- Re: OpenBLAS and performance, Dave Love, 2017/12/22
- Re: OpenBLAS and performance, Ricardo Wurmus, 2017/12/22
- Re: OpenBLAS and performance, Pjotr Prins, 2017/12/20
- Re: OpenBLAS and performance,
Ricardo Wurmus <=
- Re: OpenBLAS and performance, Pjotr Prins, 2017/12/21
- Re: OpenBLAS and performance, Eric Bavier, 2017/12/20
- Re: OpenBLAS and performance, Dave Love, 2017/12/21
- Re: OpenBLAS and performance, Dave Love, 2017/12/21
- Re: OpenBLAS and performance, Ricardo Wurmus, 2017/12/21
- Re: OpenBLAS and performance, Ricardo Wurmus, 2017/12/21
- Re: OpenBLAS and performance, Dave Love, 2017/12/22
Re: OpenBLAS and performance, Ludovic Courtès, 2017/12/21