By: aaron spink (aaronspink.delete@this.notearthlink.net), July 25, 2012 9:08 am
Room: Moderated Discussions
sf (pc.delete@this.email.com) on July 25, 2012 6:46 am wrote:
> For GPU compute, a CPU is needed to be "driving".
>
> What will
> the graph look like if the driver is included in the calculation?
>
> What is the
> currently best ratio of GPU to CPU?
>
> Will the best future design be a
> BlueGene/Q (for best I/O) driving an optimum number of GPUs (for best Compute)?
>
Well one thing not taken into account that people need to be away of is effective computational efficiency. For instance, CPU based supers tend to be in the 85-90% range of peak while GPU based supers tend to be in the 50% range.
> For GPU compute, a CPU is needed to be "driving".
>
> What will
> the graph look like if the driver is included in the calculation?
>
> What is the
> currently best ratio of GPU to CPU?
>
> Will the best future design be a
> BlueGene/Q (for best I/O) driving an optimum number of GPUs (for best Compute)?
>
Well one thing not taken into account that people need to be away of is effective computational efficiency. For instance, CPU based supers tend to be in the 85-90% range of peak while GPU based supers tend to be in the 50% range.



