Messages in this thread | | | From | Serge Belyshev <> | Subject | Re: Epic regression in throughput since v2.6.23 | Date | Tue, 08 Sep 2009 19:20:19 +0000 |
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Jeff Garzik <jeff@garzik.org> writes:
> You will almost certainly see idle CPUs/threads with "make -jN_CPUS" > due to processes waiting for I/O.
Just to clarify: I have excluded all I/O effects in my plots completely by building completely from tmpfs. Also, before each actual measurment there was a thrown-off "pre-caching" one. And my box has 8GB of RAM.
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