[Beowulf] AMD Opteron Linpack Benchmark
pepin at usc.edu
Mon Sep 25 13:31:33 PDT 2006
whats the question??
the effeciency we saw improved with increased memory, also improves
with more cores on a node...
On Sep 25, 2006, at 10:39 AM, Daniel Kidger wrote:
> Mike (or indeed anybody else who might know)
> Can you post a reference to the list for Jim Pepin's ppt ?
> Google didn't come up with anything useful
> Closest might be "Building and Benchmarking a 10 TF Linux Cluster"
> Jim Pepin,
> USC at Sun HPC consortium 2005 but can't find any online resources
> for this ?
> Dr. Daniel Kidger, Technical Consultant, ClearSpeed Technology plc,
> E: daniel.kidger at clearspeed.com
> T: +44 117 317 2030
> M: +44 7738 458742
> "Write a wise saying and your name will live forever." - Anonymous.
> -----Original Message-----
> From: beowulf-bounces at beowulf.org [mailto:beowulf-
> bounces at beowulf.org] On
> Behalf Of Mike Davis
> Sent: 24 September 2006 17:48
> To: Eric W. Biederman
> Cc: Lai Dragonfly; beowulf at beowulf.org
> Subject: Re: [Beowulf] AMD Opteron Linpack Benchmark
> Also, check out the changes that Jim Pepin at USC made to his
> cluster to
> produce more teraflops. There is a Powerpoint on the web that gives
> of the details. If I remember correctly he actually removed RAM
> from the
> nodes and made a few other changes.
> Mike Davis
> Eric W. Biederman wrote:
>> "Lai Dragonfly" <poknam at gmail.com> writes:
>>> There is a rank 367 which achieve 79.97% efficiency.
>>> i'm using Infiniband to connect 2 nodes. each node has 8G memory
>>> and dual
>>> opteron 250.
>>> i just tried Intel Compiler + GOTO, it just got a 60% efficiency
>>> which have
>>> large difference with my target.
>>> maybe i need to try Pathscale or PGI compiler.
>>> any suggestion?
>>> thanks a lot.
>> Start with single node runs, then work you way up from there.
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