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

[Joe Landman]

On 03/19/2013 06:06 PM, Michael Di Domenico wrote:
> out of your many foot in mouth statements over the years this must be
> the worst.  i can absolutely assure you there is an aspect of the HPC
> community that does not care about DP, and cares more about SP
> performance, and even more so about integer performance.


+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.



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Joseph Landman, Ph.D
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