Messages in this thread | | | From | (Eric W. Biederman) | Date | Fri, 01 Aug 2008 12:59:52 -0700 | Subject | Re: [Patch] Scale pidhash_shift/pidhash_size up based on num_possible_cpus(). |
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Robin Holt <holt@sgi.com> writes:
> Oops, confusing details. That was a different problem we had been > tracking.
Which leads back to the original question. What were you measuring that showed improvement with a larger pid hash size?
Almost by definition a larger hash table will perform better. However my intuition is that we are talking about something that should be in the noise for most workloads.
Eric
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