[Beowulf] Intel compiler specifically tuned for SPEC2k (and other benchmarks?)
kus at free.net
Mon Jul 23 12:44:16 EDT 2012
According to =?big5?q?Andrew=20Wang?=
> From comp.arch: "One of the things that the version
> 8.0 of the Intel compiler included was an
> "Intel-specific" flag."
> But looks like the purpose is to slow down AMD:
> If intel releases 64-bit x86 CPUs and compilers, then
> AMD may get even better benchmarks results.
The danger of this "slow-down" is not too extremally large now:
SPECcpu2000 results (perhaps the best obtained) published for
"high-end" Opterons are based on Portland compiler, not on ifc.
Zelinsky Institute of Organic Chemistry
> Again, no matter how pretty the benchmarks results
> look, in the end we still need to run on the real
> system. So, what's the point of having benchmarks?
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