[Beowulf] Slection from processor choices; Requesting Giudence
joachim at ccrl-nece.de
Mon Jun 19 04:38:29 EDT 2006
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.
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 Worringen - NEC C&C research lab St.Augustin
fon +49-2241-9252.20 - fax .99 - http://www.ccrl-nece.de
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