Heavy I/O blocks FreeBSD box for several seconds

Ivan Voras ivoras at freebsd.org
Thu Jul 7 12:30:07 UTC 2011

On 06/07/2011 20:11, Nathan Whitehorn wrote:

> I've seen exactly this problem with multi-threaded math libraries, as
> well. Using parallel GotoBLAS on FreeBSD gives terrible performance
> because the threads keep migrating between CPUs, causing frequent cache
> misses.

On both schedulers?

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