1- Is there anyway for me to understand which core(or cores) my benchmark was running on? 2- Do you think it's possible for the Linux scheduler to move the benchmark from one processor to another while it's running?
Thanks, Amir On Fri, Nov 20, 2009 at 5:41 PM, Amir Hossein Hormati <[email protected]>wrote: > 1- Is there anyway for me to understand which core(or cores) my benchmark > was running on? > 2- Do you think it's possible for the linux scheduler to move the benchmark > from one processor to another while it's running? > > Thanks, > Amir > > > > On Fri, Nov 20, 2009 at 4:54 PM, Lisa Hsu <[email protected]> wrote: > >> Since you're running full system, it's probably because those processors >> are in an idle loop. Check the user/kernel time stats. However, why 5/8 >> would be high is unclear, I don't know why the last 3 wouldnt' also have a >> high count.. >> >> Lisa >> >> On Fri, Nov 20, 2009 at 1:03 PM, Amir Hossein Hormati < >> [email protected]> wrote: >> >>> Hi everyone, >>> I setup a new benchmark by copying the related alpha binary to the disk >>> image and setting up the related scripts. This benchmark is a single >>> threaded benchmark which does some very trivial math operations and repeat >>> for 1000 times. I ran m5 with 8 processors to see how this benchmark >>> performs. After simulation was done, I looked at the stats file generated by >>> m5. I expected to see one (or maybe two) cpu with high instruction count and >>> the rest kind of idle, but out of the 8 processors 5 of them had very high >>> instruction count. Can someone explain to me why this happened for a single >>> thread program? >>> >>> Thanks, >>> Amir >>> >>> _______________________________________________ >>> m5-users mailing list >>> [email protected] >>> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users >>> >> >> >> _______________________________________________ >> m5-users mailing list >> [email protected] >> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users >> > >
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