Re: Benchmarks regarding git's gc

From: Felipe Contreras <felipe.contreras@gmail.com>
Date: Nov 8, 2011, 16:28 UTC
Message-ID: <CAMP44s04B0vbecFb0JXmvnBX81A5q-m4ZAab8AxPpCjHpQvQKg@mail.gmail.com>
In-Reply-To: <CACsJy8DMAdjT8gsoSerkzNRvHgdcBWLaUd+-xHqXkV+hceo9rA@mail.gmail.com>

On Tue, Nov 8, 2011 at 4:37 PM, Nguyen Thai Ngoc Duy <pclouds@gmail.com> wrote:

Show 12 quoted lines

> On Tue, Nov 8, 2011 at 6:34 PM, Felipe Contreras
> <felipe.contreras@gmail.com> wrote:
>> Has anybody seen these?
>> http://draketo.de/proj/hg-vs-git-server/test-results.html#results
>>
>> Seems like a potential area of improvement.
>
> The proportion between time and commits may have something to do with
> reachability test, where we traverse all commits and trees (I think
> twice in git-gc, one when it runs "reflog expire" and one "prune").
> packv4 is supposed to make tree traversing faster. Although it'd be
> best if we could avoid this test.

Is there someone working on a way to avoid this test?

-- 
Felipe Contreras