Re: [R] Compiling R with multi-threaded BLAS math libraries - why not actually ?

From: Barry Rowlingson <b.rowlingson_at_lancaster.ac.uk>
Date: Sat, 12 Jun 2010 18:09:22 +0100

On Sat, Jun 12, 2010 at 3:16 PM, Tal Galili <tal.galili_at_gmail.com> wrote:
> Hello Douglas,
>
> Thank you for the BLAST!=BLAS correction (I imagine my slip was due to some
> working I have done recently with an RNA analysis software called BLAST).
>
> Also, thank you for the very interesting posting here and in your reply to
> David's post.
>
> My current conclusion from this thread are that:
> 1) This should be interesting ONLY if I will be working on large matrices
> and doing "very specific
> kinds of operations". (I imagine David's examples on his post demonstrate
> those)
> 2) In case I would like to do it, I will need to go follow the actions
> detailed here (thank you for the pointer):
> http://cran.r-project.org/bin/windows/base/rw-FAQ.html#Can-I-use-a-fast-BLAS_003f
> And more or less pray that my computer specification are relevant.
> <http://cran.r-project.org/bin/windows/base/rw-FAQ.html#Can-I-use-a-fast-BLAS_003f>(Although
> I do wonder how does REvolution distribution succeeds in doing this without
> making the user do any more steps then just installing R)
>

 Another option if you discover that your algorithm benefits from massive parallelism is computing on the GPU. There are BLAS implementations, for examples:

http://gpgpu.org/index.php?s=BLAS&searchbutton=Search

 but integration with R is another issue (and I have a vague memory it was covered in threads on R-dev recently, which is probably where this thread should be anyway).

Barry



R-help_at_r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Sat 12 Jun 2010 - 17:11:45 GMT

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.2.0, at Sat 12 Jun 2010 - 18:30:30 GMT.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.

list of date sections of archive