[Pw_forum] Single precision FFTs on GPUs for QE ?

[Axel Kohlmeyer]

On Tue, 15 May 2007, Konstantin Kudin wrote:

KK> > supposed to release cards that actually can handle double precision
KK> > (and will have accellerated FFT _and_ BLAS).
KK> 
KK>  Axel,
KK> 
KK>  Thanks for the note! I was not aware that the double precision GPU
KK> hardware was so close. It then seems that reasonably soon the cluster
KK> money previously used on the interconnect will seemlessly flow into the
KK> graphics boards. :-)

naaaw, faster computation will need even faster communication, 
so you'll need both. but unlike the interconnect, you can recycle 
the graphics boards for visualization once they are obsolete 
for computation. so in a couple of years everybody will have
excellent 3d-graphics on the desktop. :-)

a.

KK> 
KK>  Kostya
KK> 
KK> 
KK>        
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Axel Kohlmeyer   akohlmey at cmm.chem.upenn.edu   http://www.cmm.upenn.edu
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