10 Mar
2015
10 Mar
'15
5:35 a.m.
On 09.03.2015, stan wrote:
But, when I run a compile job with -j6, in order to allow all six cores to be used, it limits the total amount of usage to 100% of a *single* core. So, it might use all six cores, but the sum of the percentages on those six cores is always around 100% of one core. This is from htop output.
This is the CPU scheduler not maximizing usage. Try this next time:
nice -n -20 make -j6
Or choose any nice level which fits better for you, "man nice".