LAM/MPI General User's Mailing List Archives

From: Kaveh Moallemi (kmoallem_at_[hidden])
Date: 2005-06-24 19:16:20

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Hi,

Yes, your problem size (N) is very small. A good way to estimate a
suitable problem size is:

N = sqrt( TOTAL_MEMORY * 1024 * 1024 / 8 ) * 0.90

were TOTAL_MEMORY = memory/processor * number of processors used (MB)

hope this helps out,

../kaveh

• Next message: Jeff Squyres: "Re: LAM: STDOUT redirection on a diskless cluster"
• Previous message: Dave Diller: "LAM: MPI_Init hangs running TedHat 2.4.21"
• In reply to: Robin Humble: "Re: LAM: Interpret HPL Results"