Messages in this thread | | | Date | Mon, 27 Jun 2005 00:46:24 -0700 | From | Andrew Morton <> | Subject | Re: [rfc] lockless pagecache |
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Nick Piggin <nickpiggin@yahoo.com.au> wrote: > > First I'll put up some numbers to get you interested - of a 64-way Altix > with 64 processes each read-faulting in their own 512MB part of a 32GB > file that is preloaded in pagecache (with the proper NUMA memory > allocation).
I bet you can get a 5x to 10x reduction in ->tree_lock traffic by doing 16-page faultahead.
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