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Re: OpenBLAS ?
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From: |
Martin Helm |
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Subject: |
Re: OpenBLAS ? |
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Date: |
Tue, 03 Apr 2012 13:07:14 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120328 Thunderbird/11.0.1 |
Am 03.04.2012 11:45, schrieb Michael Goffioul:
> On Tue, Apr 3, 2012 at 10:40 AM, nitnit <address@hidden> wrote:
>> OpenBLAS (ver 0.1.0 alpha 2.5) is provided as part of recent mingw
>> octave-3.6.1 build on sourceforge. mingw compiled OpenBLAS stable ver. 0.1.0
>> can be downloaded from
>> https://skydrive.live.com/redir.aspx?cid=03f7acf7a4a62765&resid=3F7ACF7A4A62765!132&parid=3F7ACF7A4A62765!122&authkey=!ANxnqi-7QHzQg74
>>
>> I have tried it on several machines and it outperforms the ATLAS 3.8.4
>> version. There are some minor diffs between the ATLAS and OpenBLAS
>> computation results.
> I confirm this: OpenBLAS outperforms ATLAS 3.8.4. The difference is
> small on an older P4 (~10%), but large on an Atom N570 (2x).
>
> Michael.
>
I made have the very same experience on GNU/Linux on my atom N330 the
OpenBLAS shipped by my distro outperforms even the ATLAS I specifically
compiled for that machine by ~ 30%, I switched to use OpenBLAS on all my
machines.