http://bugzilla.spamassassin.org/show_bug.cgi?id=3881





------- Additional Comments From [EMAIL PROTECTED]  2005-03-24 00:34 -------
Justin, you programming stud.

I had almost finished my IO::Select patch, but still failed to get acceptable
performance.  Maybe I'll attach it for posterity.  ;-)

In terms of performance numbers, I think it's necessary to test with mass-check
-j 8 or some such because the downside of the change is the additional context
switching due to processing fewer DNSBL results per loop.  (Well, at least that
was the test I was doing on my single CPU.  I also found it necessary to run
a few repeated tests with my cache flushed since the timing varied a lot with an
empty cache.)




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