[Rd] BLAS optimization by CUBLAS

Prof Brian Ripley ripley at stats.ox.ac.uk
Thu Feb 10 15:44:35 CET 2011

On Thu, 10 Feb 2011, Юрий Посохов wrote:

> Dear colleagues!
> In early 2009 there was a discussion about fast BLAS library initiated by
> Sachin. He reported a faster BLAS library made by Nvidia CUBLAS library. Uwe
> Ligges showed an interest for placing the optimized rblas.dll into
> windows/contrib section managed by him. Unfortunately there is no any CUBLAS
> version of rblas.dll in this section at present. So, is anybody interested
> in CUBLAS optimization of rblas now?

We are, but we are primarily interested in maintainable Open Source 
solutions.  No one made available such a version of Rblas.dll (sic).

>  In my opinion current directions (packages) of high-performance and
> parallel computing with R suffer from grave shortcomings: all GPU
> optimization is made by introducing more and more optimized functions
> coexisting with original ones. This hard way has been chosen for Matlab too.
> It complicates R as a language. So, the idea of optimizing BLAS (especially
> by CUBLAS) seems to overcome the mentioned shortcomings. It might be
> remarkable to make some efforts to this way of high-performance computing.
> Yuri Possokhov
> 	[[alternative HTML version deleted]]

Please do follow the posting guide and not send HTML.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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