[Beowulf] Profiling floating-point performance

John Hearns john.hearns at clustervision.com
Thu Feb 12 03:31:21 EST 2004


On Wed, 11 Feb 2004, david moloney wrote:

> 
> My special requirement is that I would like not only peak and average 
> flops numbers but also I would like a histogram of the actual x86 
> floating point instructions executed and their contribution to those 
> peak and average flops numbers.
> 
> Can anybody offer advice on how to do this?  I tried using Vtune but it 
> didn't seem to have this feature.
> 
Can't help directly,
but you could look at Oprofile  http://oprofile.sourceforge.net/about/



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