Re: Why the niceness is not always taken into account ?

2013-04-19 Thread Alexandre Laurent
Ok :) Thank you very much :) Le 18.04.2013 19:30, valdis.kletni...@vt.edu a écrit : > On Thu, 18 Apr 2013 17:56:58 +0200, Alexandre Laurent said: > >> My question was more like : is there a way (like giving hint) to ask the autogroup system to group two SSH sesssions in order

Re: Why the niceness is not always taken into account ?

2013-04-18 Thread Alexandre Laurent
group two SSH sesssions in order to get nice behaving as expected without disabling the whole autogroup system. Le 18.04.2013 17:32, valdis.kletni...@vt.edu a écrit : > On Thu, 18 Apr 2013 16:57:41 +0200, Alexandre Laurent said: > >> Note : the cgroups are not mounted at all. >

Re: Why the niceness is not always taken into account ?

2013-04-18 Thread Alexandre Laurent
it : Is it possible to force the grouping of specific tasks ? (Which could be better than just disabling the feature) Best regards, Le 16.04.2013 19:59, Kristof Provost a écrit : > On 2013-04-16 17:38:50 (+0200), Alexandre Laurent > wrote: > >> On the computer where I am testing,

Re: Why the niceness is not always taken into account ?

2013-04-16 Thread Alexandre Laurent
vril12 0:00 -bash root 21028 0.0 0.0 64908 2184 pts/4 S avril12 0:00 sudo bash root 21029 0.0 0.0 19448 2208 pts/4 S avril12 0:00 bash root 21044 0.0 0.0 64908 2200 pts/3 S avril12 0:00 sudo bash root 21045 0.0 0.0 19448 2204 pts/3 S+ avril12 0:00 bash Thank you Le 16.04.2013 13:03, Kristof Prov

Why the niceness is not always taken into account ?

2013-04-16 Thread Alexandre Laurent
Hello, I have some questions about nice and programs scheduling. My machines have an 8 cores CPU. I am using an CPU intensive test, using OpenMP and running on the 8 cores for the experiments. When I am running my test it is taking around 12s. If I am starting at the same time two instances of th