From r@||@@tubner @end|ng |rom d@q@n@@com  Wed May  8 18:00:04 2019
From: r@||@@tubner @end|ng |rom d@q@n@@com (Ralf Stubner)
Date: Wed, 8 May 2019 18:00:04 +0200
Subject: [Rd] openblas
In-Reply-To: <CALEXWq1R1mWBTTaaLbPJ5pgdXn=L6j4GAc00a8yLE80Ebz5Byw@mail.gmail.com>
References: <CAHHjBM7eRSRnxX7e41EAAV0Zu3tK+nem-c_HGX-2ix0VGu8Bug@mail.gmail.com>
 <CA+hbrhWVM9sL_Sgsf=6HXXMr5XwdbAxOV7S3DDTVD0TPdOeuug@mail.gmail.com>
 <CAHHjBM5_uhvz9MKeSoTdk3MJNy+MzyL_uv1Bbgi4YUbXcXssYw@mail.gmail.com>
 <CA+hbrhWueSWO+sSWSuA7DLRVdyhuxGGScXrUrbU+OeuujwH6+Q@mail.gmail.com>
 <CALEXWq1R1mWBTTaaLbPJ5pgdXn=L6j4GAc00a8yLE80Ebz5Byw@mail.gmail.com>
Message-ID: <4172cc6d-afa8-62e6-ec10-28af578d10fd@daqana.com>

On 08.05.19 09:34, I?aki Ucar wrote:
> On Wed, 8 May 2019 at 04:52, Peter Langfelder
> <peter.langfelder at gmail.com> wrote:
>>
>> (CCing the R-devel list, maybe someone will have a better answer.)
>>
>> To be honest, I don't know how to. I wasn't able to configure R to use
>> OpenBLAS using the configure script and options on my Linux Fedora system.
>> I configure it without external BLAS, then replace the libRblas.dylib (.so
>> in my case) with a link to the OpenBLAS dynamic link library.
> 
> R on Fedora uses openblas by default since Fedora 23. In fact, there's
> a specific package, openblas-Rblas, that provides libRblas.so.

AFAIK a single-threaded OpenBLAS is used. When compiling R from source
on a CentOS system I have used the configure option
'--with-blas="-lopenblasp"' to link with the pthread version of OpenBLAS.

cheerio
ralf

-- 
Ralf Stubner
Senior Software Engineer / Trainer

daqana GmbH
Dortustra?e 48
14467 Potsdam

T: +49 331 23 61 93 11
F: +49 331 23 61 93 90
M: +49 162 20 91 196
Mail: ralf.stubner at daqana.com

Sitz: Potsdam
Register: AG Potsdam HRB 27966
Ust.-IdNr.: DE300072622
Gesch?ftsf?hrer: Dr.-Ing. Stefan Knirsch, Prof. Dr. Dr. Karl-Kuno Kunze


-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://stat.ethz.ch/pipermail/r-devel/attachments/20190508/47c58449/attachment.sig>


[Rd] openblas
Ralf Stubner