performance regression in git diffs

Steve Borho steve at
Thu Jun 10 17:24:05 CDT 2010

On Thu, Jun 10, 2010 at 4:22 PM, Benoit Boissinot <bboissin at> wrote:
> On Thu, Jun 10, 2010 at 11:11 PM, Steve Borho <steve at> wrote:
>> I'm afraid I don't have any accurate dates on when this started to
>> become a problem, but people have been reporting a drastic performance
>> regression in TortoiseHg when viewing large repositories.
>> [snip]
>> It seems your repository needs a number of binary files in order to
>> really expose the problem.
> Since you can reproduce it, any chance you could bisect it? Shouldn't take long.

Bisect points at:

changeset:   10262:eb243551cbd8
branch:      stable
user:        Matt Mackall <mpm at>
date:        Tue Jan 19 22:20:05 2010 -0600
summary:     copies: speed up copy detection

Steve Borho

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