[Beowulf] Slection from processor choices; Requesting Giudence
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Joachim Worringen joachim at ccrl-nece.deMon Jun 19 01:38:29 PDT 2006
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laytonjb at charter.net wrote: > Sure. This is for one specific CFD code. Let's assum that MPICH 1 is the basline. > MPICH2 was twice as fast (half the run time). LAM was 30% faster than MPICH2. > Scali MPI Connect was 20% faster than LAM. Altogether, Scali MPI Connect > was twice as fast as MPICH1. Hmmm... T_mpich2= 0.5*T_mpich1 T_lam = 0.7*T_mpich2 T_scali = 0.8*T_lam I'd say this means: T_scali = 0.28*T_mpich1 which is nearly four times as fast!? Joachim -- Joachim Worringen - NEC C&C research lab St.Augustin fon +49-2241-9252.20 - fax .99 - http://www.ccrl-nece.de
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