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From: "René Scharfe" <l.s.r@web.de>
To: Jeff King <peff@peff.net>
Cc: git@vger.kernel.org, Michael Haggerty <mhagger@alum.mit.edu>
Subject: Re: [PATCH 0/6] address packed-refs speed regressions
Date: Mon, 06 Apr 2015 01:04:53 +0200	[thread overview]
Message-ID: <5521BF95.4030207@web.de> (raw)
In-Reply-To: <20150405185911.GA19902@peff.net>

Am 05.04.2015 um 20:59 schrieb Jeff King:
> Still, the numbers are promising. Here's are comparisons
> against for-each-ref on torvalds/linux, which has a 218M
> packed-refs file:
>
>    $ time git for-each-ref \
>        --format='%(objectname) %(refname)' \
>        refs/remotes/2325298/ |
>        wc -c
>    44139
>
>    real    0m1.649s
>    user    0m1.332s
>    sys     0m0.304s
>
>    $ time ~peff/git-quick-list refs/remotes/2325298/ | wc -c
>    44139
>
>    real    0m0.012s
>    user    0m0.004s
>    sys     0m0.004s

Sweet numbers. :-P

I'm not familiar with refs.c, but its sheer size alone suggests that it 
won't be easy to integrate this prototype code there. :-/

René

  reply	other threads:[~2015-04-05 23:05 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-05  1:06 [PATCH 0/6] address packed-refs speed regressions Jeff King
2015-04-05  1:07 ` [PATCH 1/6] strbuf_getwholeline: use getc macro Jeff King
2015-04-05  1:08 ` [PATCH 2/6] git-compat-util: add fallbacks for unlocked stdio Jeff King
2015-04-05  1:11 ` [PATCH 3/6] strbuf_getwholeline: use getc_unlocked Jeff King
2015-04-05  4:56   ` Jeff King
2015-04-05  5:27     ` Jeff King
2015-04-05  5:35       ` Jeff King
2015-04-05 20:49         ` Junio C Hamano
2015-04-05 14:36     ` Duy Nguyen
2015-04-05 18:24       ` Jeff King
2015-04-05 20:09     ` Junio C Hamano
2015-04-07 13:48     ` Rasmus Villemoes
2015-04-07 19:04       ` Jeff King
2015-04-07 22:43         ` Rasmus Villemoes
2015-04-08  0:17           ` Jeff King
2015-04-05  1:11 ` [PATCH 4/6] strbuf: add an optimized 1-character strbuf_grow Jeff King
2015-04-06  2:13   ` Eric Sunshine
2015-04-06  5:05     ` Jeff King
2015-04-05  1:11 ` [PATCH 5/6] t1430: add another refs-escape test Jeff King
2015-04-05  1:15 ` [PATCH 6/6] refname_is_safe: avoid expensive normalize_path_copy call Jeff King
2015-04-05 13:41 ` [PATCH 0/6] address packed-refs speed regressions René Scharfe
2015-04-05 18:52   ` Jeff King
2015-04-05 18:59     ` Jeff King
2015-04-05 23:04       ` René Scharfe [this message]
2015-04-05 22:39     ` René Scharfe
2015-04-06  4:49       ` Jeff King
2015-04-16  8:47 ` [PATCH v2 0/9] " Jeff King
2015-04-16  8:48   ` [PATCH 1/9] strbuf_getwholeline: use getc macro Jeff King
2015-04-16  8:48   ` [PATCH 2/9] git-compat-util: add fallbacks for unlocked stdio Jeff King
2015-04-16  8:49   ` [PATCH 3/9] strbuf_getwholeline: use getc_unlocked Jeff King
2015-04-16  8:51   ` [PATCH 4/9] config: use getc_unlocked when reading from file Jeff King
2015-04-16  8:53   ` [PATCH 5/9] strbuf_addch: avoid calling strbuf_grow Jeff King
2015-04-16  8:58   ` [PATCH 6/9] strbuf_getwholeline: " Jeff King
2015-04-16  9:01   ` [PATCH 7/9] strbuf_getwholeline: use getdelim if it is available Jeff King
2015-04-17 10:16     ` Eric Sunshine
2015-04-21 23:09       ` Jeff King
2015-05-08 23:56         ` Eric Sunshine
2015-05-09  1:09           ` Jeff King
2015-06-02 18:22             ` Eric Sunshine
2015-04-22 18:00       ` Johannes Schindelin
2015-04-22 18:06         ` Jeff King
2015-04-16  9:03   ` [PATCH 8/9] read_packed_refs: avoid double-checking sane refs Jeff King
2015-04-16  9:04   ` [PATCH 9/9] t1430: add another refs-escape test Jeff King
2015-04-16  9:25   ` [PATCH v2 0/9] address packed-refs speed regressions Jeff King

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