[Beowulf] running the Linpak -HPL benchmark.
rpnabar at gmail.com
Thu Jan 14 18:40:27 EST 2010
I've never had a cluster large enough to matter but I was thinking of
running the Linpak-HPL benchmark (from the top500 site) just out of
curiosity of knowing my actual teraflops. For one, it would tell me
how much my Rmax/Rpeak so that I know how non-optimal my network and
other infrastructure was.
Question: How difficult it is getting that benchmark to run? Was eager
to know of opinions from sys-admins who've "been there, done that".
If it was a horrendously difficult process I might just skip it. Some
their tuning sections were scary.
Are there any good pointers on tuning parameter selection or ready
made makefiles? I had a Intel Nehalem processor and a regular Gigabit
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