Re: merge-base: update the clean-up postprocessing

From: Junio C Hamano <junkio@cox.net>
Date: 2006-07-05 17:51:08
A fixed up version of this patch, along with your updated test,
is at the tip of "pu".

It does affect the processing time for cases where there are
more than one merge bases negatively.  To compute all merge-base
for the 23 merges in the kernel reporitory, the old code with
the "contaminate the well a bit more" clean-up phase takes 2.5
seconds, while the new code takes 3.9 seconds.

Processing all 2215 merges in the kernel repository (the other
2192 merges have one merge-base between the parents) takes 160
seconds either way.  In other words, multi merge-base merges are
relatively rare and a bit more time spent to clean-up with the
new code is lost in the noise.

The numbers are taken from /usr/bin/time on an Athron 64X2 3800.


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Received on Wed Jul 05 17:51:42 2006

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