[Beowulf] Re: [Rocks-Discuss]Intel compiler specifically tuned for SPEC2k (and other benchmarks?)
Lombard, David N
david.n.lombard at intel.com
Wed Feb 11 18:16:22 EST 2004
From: Robert G. Brown; Wednesday, February 11, 2004 2:14 PM
> On Wed, 11 Feb 2004, Lombard, David N wrote:
> > > They also have some evil of
> > > their own when the application in question is commercial and not
> > > source -- you have effectively no control over how it was built
> > > tuned for your architecture, for example, and may not even have
> > > meaningful version information.
> > Let's be fair here. An ISV application is not the definition of
> I did not mean to imply that they were wholly evil or even evil in
> > Clearly, "you have effectively no control over how an application
> > built and tuned for your architecture" has no direct correspondence
> > performance.
> I would have to respectfully and vehemently disagree. It has all
> of direct correspondances. Let us make a short tally of ways that a
> closed source, binary only application used as a benchmark can mislead
> me with regard to the performance of a system.
> Note, BTW, that all of the observations above are irrelevant if the
> application being used as a benchmark is the application you intend to
> use in the form you intend to use it, purchased or not.
OK. So there's our difference. I only consider an application benchmark
useful in this scenario. I can't imagine using an application benchmark
of any sort if it isn't; you enumerated all the reasons for this in the
bits I just snipped.
We agree completely on this.
David N. Lombard
My comments represent my opinions, not those of Intel Corporation.
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