[Beowulf] Recent comparisons of 1600 MHz external Harpertown vs.235x AMD processors?

Tom Elken tom.elken at qlogic.com
Wed May 7 17:45:32 EDT 2008


> Has there been a recent (i.e., conducted this year with 
> shipping silicon) performance study/benchmark of the 
> "Harpertwon" family of Intel Xeon processors running with an 
> external clock of 1600 MHz against a suitable high-end member 
> of the AMD "Barcelona" family, e.g., 2354 or 2356?

Not a study, but recent published comparisons on an OpenMP application
benchmark suite, SPEC OMP2001 are available:

AMD Barcelona,  Opteron 2356, dual-socket, 2.3 GHz:
http://www.spec.org/omp/results/res2008q2/omp2001-20080325-00291.html 
SPECompMbase2001 = 17598

Intel Harpertown, Intel Xeon E5440, dual-socket, 2.83 GHz:
http://www.spec.org/omp/results/res2008q2/omp2001-20080325-00292.html
SPECompMbase2001 = 14789

Both these results were run by AMD, but they used an Intel-produced
config file on the Intel-CPU-system runs.
Note that AMD did not use the fastest Harpertown CPUs available, but
they are pretty decent speed -- I seem to recall that AMD had a
rationale of choosing similarly power-consuming CPUs, but I could be
wrong there.  The SPEC HPG committee, which includes Intel, reviewed the
results to see that they followed the run rules before accepting them
for publication.

Different compilers were used, but they seem like logical choices for
the CPUs involved: PathScale for Barcelona, and Intel for Harpertown.

-Tom


> -----Original Message-----
> From: beowulf-bounces at beowulf.org 
> [mailto:beowulf-bounces at beowulf.org] On Behalf Of Bill Johnstone
> Sent: Wednesday, May 07, 2008 10:10 AM
> To: beowulf at beowulf.org
> Subject: [Beowulf] Recent comparisons of 1600 MHz external 
> Harpertown vs.235x AMD processors?
> 
> Hello all.
> 
> Sorry if this has been addressed already -- I searched the 
> mailing list archives and didn't find any answers.
> 
> Has there been a recent (i.e., conducted this year with 
> shipping silicon) performance study/benchmark of the 
> "Harpertwon" family of Intel Xeon processors running with an 
> external clock of 1600 MHz against a suitable high-end member 
> of the AMD "Barcelona" family, e.g., 2354 or 2356?
> 
> I've found various comparisons done in 2007 with pre-release 
> AMD silicon, and conducted by "consumer grade" web sites like 
> Tom's Hardware and Anandtech.  I'm looking for something more 
> rigorous, and done with a mind toward parallel/cluster 
> applications, preferably on some form of Linux.
> 
> I loathe that I'd have to use an nvidia chipset with the AMD 
> processors, but I wouldn't want the dead-end memory 
> architecture of the current Intel chips to become an issue.
> 
> Thanks!
> 
> 
> 
>       
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