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Load average above 6 on a quad-core with MAKEOPTS="-j5"
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alogim
Tux's lil' helper
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Joined: 21 Aug 2015
Posts: 124

PostPosted: Fri Oct 06, 2017 11:26 am    Post subject: Load average above 6 on a quad-core with MAKEOPTS="-j5& Reply with quote

Good afternoon. I have an [url]Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz[/url]. Yesterday, while I was compiling dev-util/electron, after some time - checking with htop - my load average in the last 1, 5 and 15 minutes was above 6, almost 7. MAKEOPTS is set to -j5 as suggested in the Handbook. Should I lower it?
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mike155
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Joined: 17 Sep 2010
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Location: Frankfurt, Germany

PostPosted: Fri Oct 06, 2017 8:44 pm    Post subject: Reply with quote

alogim, there's nothing wrong with a load average of 6 if you have 4 cores. The load average is the average number of processes using or waiting for CPU (see https://en.wikipedia.org/wiki/Load_%28computing%29).

Unless you have very little RAM or you experience performance problems with other applications you're working with, there is no reason to lower the number of parallel make jobs (option -j).
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