On Nov 10, 2010, at 12:31 AM, tmish...@jcity.maeda.co.jp wrote: > Recently I installed OpenMPI 1.4.3 on my cluster. I found that > SYSTEM CPU is higher than older versions of 1.4.X, when I ran > our FEM program. Further more, OMPI_1.4.3 is a little bit slower > than 1.4.2. What is the differnece between these two versions, or > what affects the "SYSTEM CPU" and execution speed?
There shouldn't be any noticeable difference in performance between these versions. Assumedly you're running your tests on otherwise-idle machines. Is the difference repeatable? -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
