Re: [PATCH 1/2] perf: compare diff algorithms

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Thomas Rast <trast@xxxxxxxxxxxxxxx> writes:

> 8c912ee (teach --histogram to diff, 2011-07-12) claimed histogram diff
> was faster than both Myers and patience.
>
> We have since incorporated a performance testing framework, so add a
> test that compares the various diff tasks performed in a real 'log -p'
> workload.  This does indeed show that histogram diff slightly beats
> Myers, while patience is much slower than the others.
>
> Signed-off-by: Thomas Rast <trast@xxxxxxxxxxxxxxx>
> ---

Fun.

I am getting this (probably unrelated to this patch), by the way:

$ make perf
make -C t/perf/ all
make[1]: Entering directory `/srv/project/git/git.git/t/perf'
rm -rf test-results
./run
...
perf 4 - grep --cached, expensive regex: 1 2 3 ok
# passed all 4 test(s)
1..4
Can't locate Git.pm in @INC (@INC contains: /etc/perl ...) at ./aggregate.perl line 5.
BEGIN failed--compilation aborted at ./aggregate.perl line 5.
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