[Beowulf] Power calculations , double precision, ECC and power of APU's

Geoffrey Jacobs gdjacobs at gmail.com
Tue Mar 19 15:24:32 PDT 2013


On 03/19/2013 05:12 PM, Joe Landman wrote:
> +10 (on the caring about things other than DP, and even SP). There's a
> fairly large cross section of people whose simulation, codes, etc.
> have to deal with other-than-*P performance issues. Instruction
> graduation rate, IO and network bandwidth ... all of these things
> matter for a large and growing segment of the HPC community. I've
> argued many times that basing the "fastest supercomputer" metric off a
> parallel LU decomposition manages to miss an ever larger segment of
> the HPC community, for whom that metric is not useful.
The MDGRAPE systems, for one.

Your concern (or your clients) arises mainly from a public relations /
funding perspective?


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