From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Sun, 14 Jan 2007 13:01:16 GMT
Subject: Re: [PATCH 2/4] Hash tags by commit SHA1 in git-describe.
Message-ID: <Pine.LNX.4.63.0701141358440.22628@wbgn013.biozentrum.uni-wuerzburg.de>
In-Reply-To: <20070113222816.GB18011@spearce.org>

Hi,

On Sat, 13 Jan 2007, Shawn O. Pearce wrote:

> If a project has a very large number of tags then git-describe
> will spend a good part of its time looping over the tags testing
> them one at a time to determine if it matches a given commit.

Why not just use object_refs? This also obviates the need for your patch 
3/4, since you no longer have buckets to search binarily. Plus, it uses a 
hash map, which already turned out to beat (in terms of performance) the 
hell out of bucketed lists in git history.

Ciao,
Dscho