By: David Kanter (dkanter.delete@this.realworldtech.com), July 26, 2012 9:31 am
Room: Moderated Discussions
> > > What is the
> > >
> > currently best ratio of GPU to
> CPU?
> >
> > That depends on your workload.
> >
> > >
> > Will
> the best future design be a
> > > BlueGene/Q (for best I/O) driving an
>
> > optimum number of GPUs (for best Compute)?
> >
> > If you look at
> the chart, it
> > should be clear that BGQ stands alone and doesn't need
> GPUs. From a power
> > perspective, it's superior to all existing GPUs - and
> it can run a far wider
> > range of workloads.
> >
> > David
>
> BGQ is
> about the same as 3GiB HD7970(947G/250W). So BGQ is quite likely to be inferior
> to a 6GiB incoming-gen Firestream.
> [If I recall correctly, at launch time AMD
> listed 7970 GPU/board power as 210/250]
I expect that the next generation of throughput processors (Knights Corner, Tahiti, Kepler) will significantly alter the landscape because they represent a jump in process.
For AMD and Nvidia it is 40nm to 28nm, and for Intel it is the move to 22nm.
DK
> > >
> > currently best ratio of GPU to
> CPU?
> >
> > That depends on your workload.
> >
> > >
> > Will
> the best future design be a
> > > BlueGene/Q (for best I/O) driving an
>
> > optimum number of GPUs (for best Compute)?
> >
> > If you look at
> the chart, it
> > should be clear that BGQ stands alone and doesn't need
> GPUs. From a power
> > perspective, it's superior to all existing GPUs - and
> it can run a far wider
> > range of workloads.
> >
> > David
>
> BGQ is
> about the same as 3GiB HD7970(947G/250W). So BGQ is quite likely to be inferior
> to a 6GiB incoming-gen Firestream.
> [If I recall correctly, at launch time AMD
> listed 7970 GPU/board power as 210/250]
I expect that the next generation of throughput processors (Knights Corner, Tahiti, Kepler) will significantly alter the landscape because they represent a jump in process.
For AMD and Nvidia it is 40nm to 28nm, and for Intel it is the move to 22nm.
DK
