[App_rpt-users] Top

Willem Schreuder willem at prinmath.com
Thu Feb 11 11:14:19 EST 2016


On Thu, 11 Feb 2016, Robert Newberry wrote:

> So I've was listening to a conversation on one of my nodes today. I looked
> used the top command and I saw around 180 to 190 percent. Is this possible
> for it to read over 100 percent?

Top compares the cycles used by a process to the cycles possible in a 
thread.  A multithreaded process fully utilizing all four cores can 
therefore show CPU usage up to 400%.  On my 6 core 12 thread CPUs I often 
see 1200% in top for CPU intensive applications.

-Willem

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Dr. Willem A. Schreuder,  President,  Principia Mathematica
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