From: Nicolas Pitre <nico@cam.org>
To: Junio C Hamano <junkio@cox.net>
Cc: git@vger.kernel.org
Subject: [PATCH] relax delta selection filtering in pack-objects
Date: Tue, 21 Feb 2006 20:39:25 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.64.0602212034180.5606@localhost.localdomain> (raw)
This change provides a 8% saving on the pack size with a 4% CPU time
increase for git-repack -a on the current git archive.
Signed-off-by: Nicolas Pitre <nico@cam.org>
---
pack-objects.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
2aed7126f9b44d9ef953e8a1cbeab34356410842
diff --git a/pack-objects.c b/pack-objects.c
index ceb107f..4f8814d 100644
--- a/pack-objects.c
+++ b/pack-objects.c
@@ -748,11 +748,10 @@ static int try_delta(struct unpacked *cu
}
size = cur_entry->size;
- if (size < 50)
- return -1;
oldsize = old_entry->size;
sizediff = oldsize > size ? oldsize - size : size - oldsize;
- if (sizediff > size / 8)
+
+ if (size < 50)
return -1;
if (old_entry->depth >= max_depth)
return 0;
--
1.2.2.g6643-dirty
next reply other threads:[~2006-02-22 1:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-22 1:39 Nicolas Pitre [this message]
2006-02-22 6:05 ` [PATCH] relax delta selection filtering in pack-objects Junio C Hamano
2006-02-22 7:23 ` Junio C Hamano
2006-02-22 16:04 ` Nicolas Pitre
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Pine.LNX.4.64.0602212034180.5606@localhost.localdomain \
--to=nico@cam.org \
--cc=git@vger.kernel.org \
--cc=junkio@cox.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).