[Pw_forum] Could Q-E benefit a lot from GPU computation.

[Huolin Xin]

Tesla C1060 and C1070 supports double precision. The next architecture
"Fermi" (product will come out next year) has more efficient support
of double precision. If I recall correctly, CUDA released CUDO_blas,
but I am not sure about lapack. However, for FFT, it is a big boost.

Huolin

On Sat, Oct 17, 2009 at 4:14 AM, Paolo Giannozzi <giannozz at democritos.it> wrote:
>
> On Oct 17, 2009, at 7:54 , vega lew wrote:
>
>> But the most important thing is that the computer center only has GPU
>> with CUDA for calculation instead of CPU with Fortran. Is there a
>> possibility
>> now to transplant the current Q-E code easily to the GPU computer with
>> single precession? Do you think Double precession is so important
>> for Q-E codes?
>
> you mean: single/double "precision" ? I think double precision is
> important.
> Anyway, there is some ongoing work on porting Q-E to GPUs.
>
> P.
> ---
> Paolo Giannozzi, Dept of Physics, University of Udine
> via delle Scienze 208, 33100 Udine, Italy
> Phone +39-0432-558216, fax +39-0432-558222
>
>
>
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