Jon Loeliger <jdl@xxxxxxxxxxxxx> writes:
> On Thu, 2007-12-06 at 00:09, Linus Torvalds wrote:
>
>> Git also does delta-chains, but it does them a lot more "loosely". There
>> is no fixed entity. Delta's are generated against any random other version
>> that git deems to be a good delta candidate (with various fairly
>> successful heursitics), and there are absolutely no hard grouping rules.
>
> I'd like to learn more about that. Can someone point me to
> either more documentation on it? In the absence of that,
> perhaps a pointer to the source code that implements it?
See Documentation/technical/pack-heuristics.txt,
but the document predates and does not talk about delta
reusing, which was covered here:
http://thread.gmane.org/gmane.comp.version-control.git/16223/focus=16267
> I guess one question I posit is, would it be more accurate
> to think of this as a "delta net" in a weighted graph rather
> than a "delta chain"?
Yes.
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