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Subject: Re: [ublas] cublas bindings
From: Riccardo Rossi (rrossi_at_[hidden])
Date: 2010-07-27 02:30:29

one + for ViennaCL

On Mon, 2010-07-26 at 23:09 +0200, Karl Rupp wrote:
> > Would this stuff help?
> >
> >
> >
> I'm certainly biased due to ViennaCL, but one should also consider that 
> having two different bindings for NVIDIA and AMD/ATI is probably not 
> worth the effort when the same effort is better spend in a single OpenCL 
> interface (which is at least partially available with ViennaCL).
> Don't get my wrong, if somebody provides good bindings for NVIDIA and 
> AMD/ATI libraries, that would still be a nice thing. But unlike bindings 
> for host-based libraries like lapack, the additional memory allocation 
> and transfer thing adds a certain amount of complexity and overhead to 
> that, especially since these GPU libraries are attractive for 
> performance 'only' and don't add functionality. Most BLAS level 1 and 2 
> functions on GPUs may not pay off if the transfers to and from the 
> device are included in performance considerations.
> Best regards,
> Karli
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