parallel execution speedup

From: Roman Petrenko (rpetrenko_at_gmail.com)
Date: Thu Aug 21 2008 - 15:51:57 CDT

Dear all,
when i run a job on one cpu i have this speed
Info: Initial time: 1 CPUs 0.196443 s/step 1.13682 days/ns 17304 kB memory

but when i run it on 6 computers with ppn=4, i get this speed
Info: Benchmark time: 24 CPUs 0.0710909 s/step 0.411406 days/ns 8328 kB memory

the question is: do i have mere 3 times speedup using 24 CPUs???

-- 
Roman Petrenko.
Physics Department
University of Cincinnati

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