From: Jakub Narebski <jnareb@gmail.com>
Date: Tue, 29 Aug 2006 14:58:59 GMT
Subject: Re: Why do base objects appear behind the delta in packs?
Message-ID: <ed1kn3$c3r$1@sea.gmane.org>
In-Reply-To: <20060829134233.GA21335@spearce.org>

Shawn Pearce wrote:

> From a data locality perspective putting the base object before
> or after the delta shouldn't matter, as either way the delta
> is useless without the base.  So placing the base immediately
> before the delta should perform just as well as placing it after.
> Either way the OS should have the base in cache by the time the
> delta is being accessed.

_Should_ perform? Have you got any measurements of speed of creating "base
before delta" pack, and reading objects from this kind of pack?

-- 
Jakub Narebski
Warsaw, Poland
ShadeHawk on #git