By: Adrian (a.delete@this.acm.org), July 25, 2012 4:39 am
Room: Moderated Discussions
David Kanter (dkanter.delete@this.realworldtech.com) on July 25, 2012 1:37 am wrote:
> New computational efficiency data shows GPUs with a clear edge over CPUs, but
> the gap is narrowing as CPUs adopt wide vectors (e.g. AVX). Surprisingly, a
> throughput CPU is the most energy efficient processor, offering hope for future
> architectures. Our data also shows some advantages of AMD's Bulldozer, and the
> overhead associated with highly scalable server CPUs.
>
> Comments and feedback
> welcome!
>
> David
The value for Gflops/W that appears in your charts implies that the fastest NVIDIA Fermi cards @ 665 DP Gflops are 225 W PCI-E cards (not, e.g., 300 W cards).
Is that correct? I could not find any mention about their power consumption in the NVIDIA web site.
> New computational efficiency data shows GPUs with a clear edge over CPUs, but
> the gap is narrowing as CPUs adopt wide vectors (e.g. AVX). Surprisingly, a
> throughput CPU is the most energy efficient processor, offering hope for future
> architectures. Our data also shows some advantages of AMD's Bulldozer, and the
> overhead associated with highly scalable server CPUs.
>
> Comments and feedback
> welcome!
>
> David
The value for Gflops/W that appears in your charts implies that the fastest NVIDIA Fermi cards @ 665 DP Gflops are 225 W PCI-E cards (not, e.g., 300 W cards).
Is that correct? I could not find any mention about their power consumption in the NVIDIA web site.
