Comments on: Guest Feature: Looking forward to ISC 2011 http://insidehpc.com/2011/06/03/guest-feature-looking-forward-to-isc-2011/ HPC News Without the Noise for Supercomputing Professionals | insideHPC Sun, 19 May 2013 10:46:54 +0000 hourly 1 http://wordpress.org/?v=3.1.1 By: Guest Feature: A Look Back at ISC’11 | insideHPC.com http://insidehpc.com/2011/06/03/guest-feature-looking-forward-to-isc-2011/#comment-352479 Guest Feature: A Look Back at ISC’11 | insideHPC.com Sat, 25 Jun 2011 17:23:50 +0000 http://insidehpc.com/?p=20351#comment-352479 [...] Guest Feature: Looking forward to ISC 2011 [...] [...] Guest Feature: Looking forward to ISC 2011 [...]

]]> By: Brian http://insidehpc.com/2011/06/03/guest-feature-looking-forward-to-isc-2011/#comment-345037 Brian Fri, 03 Jun 2011 13:57:51 +0000 http://insidehpc.com/?p=20351#comment-345037 I'm sure we will see interconnect performance keep up with the servers...right now it's really the PCIe bus that's the bottleneck...looking forward to Gen3. as for the efficiency, it's true...as more folks turn to GPUs to extend peak performance the efficiency is way down for a number of reasons. As more mechanisms come into place to offload the CPU from handling extra memory copies from the GPU to the interconnect, I believe this issue will soon be solved... I’m sure we will see interconnect performance keep up with the servers…right now it’s really the PCIe bus that’s the bottleneck…looking forward to Gen3.

as for the efficiency, it’s true…as more folks turn to GPUs to extend peak performance the efficiency is way down for a number of reasons. As more mechanisms come into place to offload the CPU from handling extra memory copies from the GPU to the interconnect, I believe this issue will soon be solved…

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