Messages in this thread | | | Date | Mon, 11 Feb 2002 09:39:07 -0800 | From | "Martin J. Bligh" <> | Subject | Re: Performance of Ingo's O(1) scheduler on NUMA-Q |
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>> > Measuring kernel compile times on a 16 way NUMA-Q, adding Ingo's >> > scheduler patch takes kernel compiles down from 47 seconds to 31 >> > seconds .... pretty impressive benefit. > >> cool! By the way, could you try a test-compile with a 'big' .config file? > > I'd assume that a 16way machine still taking 31s to compile the kernel > is already having a 'big' config file.
It's a fairly normal config file, but the machine isn't feeling very in touch with it's NUMAness, so it scales badly. If I only use one quad (4 processsors), the same compile takes 47s.
M.
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