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From Brian Pane <brian.p...@cnet.com>
Subject Good performance results from Sander's pool patch
Date Wed, 05 Dec 2001 00:35:01 GMT
Some test results, thanks to Ian H.:
   http://webperf.org/a2/v30/
This compares today's httpd-2.0 CVS head with
my "recycle pools" patch for the worker MPM and
Sander's new implementation of pools.

Sander's pool code yielded a substantial drop
in usr CPU consumption (see the "cpuu" links on
the test result pages) and a corresponding increase
in throughput.  My worker MPM patch was faster than
the current CVS head, but not as fast as Sander's
pool code.  (I'd expected the two changes to be
complementary, but the combination of my worker
patch with Sander's pool changes wasn't as fast
as the pool changes alone.  Maybe because recycling
the pools, rather than destroying them, reduced the
cache locality on the multiprocessor test server?)

--Brian



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