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Linux Cluster Performance with a bi-processor PC

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Old   April 22, 2005, 08:47
Default Linux Cluster Performance with a bi-processor PC
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M.
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Hi, I have a question regarding Linux Cluster (Suse Linux Server Enterprise 9) I have 3 Intel P4 3GHZ with 1GB Ram each (operating system Linux) I tested the efficiency of this cluster with a 1.6 Million cells mesh. When I compare the results, the speed of calculations increases fast linearly. So I tried to add another machine in this cluster. This machine is a bi-processor Intel Xeon 2x 2.4GHz with 2GB Ram. I installed Linux on it and configured the hostfiles properly. I spawned my 3 P4, and 2 nodes more which are the two processors form the bi-processor machine. I launched the same case file, and after 100 iterations 1 saw that this cluster's configuration (5 CPU), was slower than the 3 CPU Cluster. I tried to spawn just just one node (eg: 4 CPU CLuster), but same result! Does anyone have any idea, why I get slower performance when I use a bi-processor machine as slave nodes? Thanks M.
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Old   April 22, 2005, 09:25
Default Re: Linux Cluster Performance with a bi-processor
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ap
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Look for "FLUENT cluster performance" in google. There are many interesting information.

Regards,

ap
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