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From: "Marco Costalba" <mcostalba@gmail.com>
To: "Jeff King" <peff@peff.net>
Cc: "Linus Torvalds" <torvalds@linux-foundation.org>,
	"Junio C Hamano" <gitster@pobox.com>,
	git@vger.kernel.org
Subject: Re: [PATCH WIP] sha1-lookup: make selection of 'middle' less aggressive
Date: Tue, 1 Jan 2008 09:40:21 +0100	[thread overview]
Message-ID: <e5bfff550801010040k59c9608do1acb9da548620f85@mail.gmail.com> (raw)
In-Reply-To: <20080101063616.GA21605@coredump.intra.peff.net>

On Jan 1, 2008 7:36 AM, Jeff King <peff@peff.net> wrote:
>
> The packfile is noticeably larger (55M versus 40M)

Well 55M versus 40M is _only_  27% of compression ratio. It means that
the compression algorithm is not so fundamental because the data is
already, how to say, well packaged.

IOW if a compression algorithm X is say 30% less size efficient then
zlib it means that the final packfile size using X would be 44.5M
instead of 40M, i.e. only 11% bigger then using zlib.


Marco

  reply	other threads:[~2008-01-01  8:40 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-30 10:22 [PATCH WIP] sha1-lookup: more memory efficient search in sorted list of SHA-1 Junio C Hamano
2007-12-30 11:38 ` [PATCH WIP] sha1-lookup: make selection of 'middle' less aggressive Junio C Hamano
2007-12-30 19:06   ` Marco Costalba
2007-12-30 19:12     ` Marco Costalba
2007-12-31 22:40     ` Shawn O. Pearce
2007-12-30 19:58   ` Linus Torvalds
2007-12-30 21:49     ` Junio C Hamano
2007-12-30 22:04       ` Marco Costalba
2007-12-31 20:37         ` Linus Torvalds
2007-12-31 23:47           ` Marco Costalba
2008-01-01  6:36           ` Jeff King
2008-01-01  8:40             ` Marco Costalba [this message]
2008-01-01  9:01               ` Marco Costalba
2008-01-01 14:51             ` Pierre Habouzit

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