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[abinit-forum] CPU usage degradation


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  • From: <jimprtlnd01@gmail.com>
  • To: forum@abinit.org
  • Subject: [abinit-forum] CPU usage degradation
  • Date: Wed, 26 Nov 2008 23:22:27 +0100 (CET)

I am using abinit 5.5.4, and openmpi 1.2.8. I am running on 10 processors on
2
computers, using Terminal on Mac OS X 10.5.

One thing I'm seeing over time as I calculate response functions is that the
processor usage is going down, although not steadily.

My previous run was over 450 hours before the MacOS X crashed. It's usage
(according to Activity monitor) was at 65% last I checked, on average, for
each
of the 10 abinip processes.

I started a much shorter run recently, and I expected it to be done already.
Instead it's at 22 hours, and still "running", at 85% across the board. It
dropped to 85% sometime in the first 10 hours, has been steady ever since.

Is this expected? Or is it a sign of a bug/error/hang?



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