From: Marat Radchenko <marat@slonopotamus.org>
Date: Thu, 14 Oct 2010 07:19:21 GMT
Subject: Re: [PATCH v2] hash binary sha1 into patch id
Message-ID: <1287040761027-5633988.post@n2.nabble.com>
In-Reply-To: <20101013211011.GA2558@localhost>


I'm running git-rev-list from git master in the form git rebase does:
git-rev-list --no-merges --cherry-pick --pretty=oneline --abbrev-commit
--abbrev=7 --reverse --left-right --topo-order FOO...BAR

New gprof output (I compiled without -O2 to prevent function inlining and
removed xecfg.flags = XDL_EMIT_FUNCNAMES):
http://git.661346.n2.nabble.com/file/n5633988/gprof_-p.txt gprof -p 
http://git.661346.n2.nabble.com/file/n5633988/gprof_-q.txt gprof -q 

This thing takes ~3 minutes of cpu time.

So, it takes ~3 minutes of cpu time and looks like all time is spent in
xdl_cleanup_records.

Repo info: 80GB, 200K revisions (~200 per working day), 500K files (15GB) in
master working copy, running git-rev-list to rebase ~5 commits over ~800
commits that happened upstream.
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