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Re: [PATCH] gc --aggressive: make it really aggressive

From: Harvey Harrison <harvey dot harrison at gmail dot com>
To: Johannes Schindelin <Johannes dot Schindelin at gmx dot de>
Cc: Linus Torvalds <torvalds at linux-foundation dot org>, Daniel Berlin <dberlin at dberlin dot org>, David Miller <davem at davemloft dot net>, ismail at pardus dot org dot tr, gcc at gcc dot gnu dot org, git at vger dot kernel dot org, gitster at pobox dot com
Date: Thu, 06 Dec 2007 07:30:59 -0800
Subject: Re: [PATCH] gc --aggressive: make it really aggressive
References: <4aca3dc20712051947t5fbbb383ua1727c652eb25d7e@mail.gmail.com> <20071205.202047.58135920.davem@davemloft.net> <4aca3dc20712052032n521c344cla07a5df1f2c26cb8@mail.gmail.com> <20071205.204848.227521641.davem@davemloft.net> <4aca3dc20712052111o730f6fb6h7a329ee811a70f28@mail.gmail.com> <alpine.LFD.0.9999.0712052132450.13796@woody.linux-foundation.org> <Pine.LNX.4.64.0712061201580.27959@racer.site>

Wow

/usr/bin/time git repack -a -d -f --window=250 --depth=250


23266.37user 581.04system 7:41:25elapsed 86%CPU (0avgtext+0avgdata
0maxresident)k
0inputs+0outputs (419835major+123275804minor)pagefaults 0swaps

-r--r--r-- 1 hharrison hharrison  29091872 2007-12-06 07:26
pack-1d46ca030c3d6d6b95ad316deb922be06b167a3d.idx
-r--r--r-- 1 hharrison hharrison 324094684 2007-12-06 07:26
pack-1d46ca030c3d6d6b95ad316deb922be06b167a3d.pack


That extra delta depth really does make a difference.  Just over a
300MB pack in the end, for all gcc branches/tags as of last night.

Cheers,

Harvey

Follow-Ups:
- Re: [PATCH] gc --aggressive: make it really aggressive
  - From: Johannes Schindelin
- Re: [PATCH] gc --aggressive: make it really aggressive
  - From: Linus Torvalds

References:
- Re: Git and GCC
  - From: Daniel Berlin
- Re: Git and GCC
  - From: David Miller
- Re: Git and GCC
  - From: Daniel Berlin
- Re: Git and GCC
  - From: David Miller
- Re: Git and GCC
  - From: Daniel Berlin
- Re: Git and GCC
  - From: Linus Torvalds
- [PATCH] gc --aggressive: make it really aggressive
  - From: Johannes Schindelin

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