From: Junio C Hamano <gitster@pobox•com>
To: Jeff King <peff@peff•net>
Cc: Sebastian Schuberth <sschuberth@gmail•com>,
John Keeping <john@keeping•me.uk>,
Jonathan Nieder <jrnieder@gmail•com>,
Git Mailing List <git@vger•kernel.org>,
Karsten Blees <karsten.blees@gmail•com>
Subject: Re: [PATCH] git-compat-util: Avoid strcasecmp() being inlined
Date: Thu, 12 Sep 2013 13:29:46 -0700 [thread overview]
Message-ID: <xmqqr4ctokat.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <20130912202246.GF32069@sigill.intra.peff.net> (Jeff King's message of "Thu, 12 Sep 2013 16:22:46 -0400")
Jeff King <peff@peff•net> writes:
> I think there are basically three classes of solution:
>
> 1. Declare __NO_INLINE__ everywhere. I'd worry this might affect other
> environments, who would then not inline and lose performance (but
> since it's a non-standard macro, we don't really know what it will
> do in other places; possibly nothing).
>
> 2. Declare __NO_INLINE__ on mingw. Similar to above, but we know it
> only affects mingw, and we know the meaning of NO_INLINE there.
>
> 3. Try to impact only the uses as a function pointer (e.g., by using
> a wrapper function as suggested in the thread).
>
> Your patch does (1), I believe. Junio's patch does (3), but is a
> maintenance burden in that any new callsites will need to remember to do
> the same trick.
>
> But your argument (and reading the mingw header, I agree) is that there
> is no performance difference at all between (2) and (3). And (2) does
> not have the maintenance burden. So it does seem like the right path to
> me.
Agreed. If that #define __NO_INLINE__ does not appear in the common
part of our header files like git-compat-util.h but is limited to
somewhere in compat/, that would be the perfect outcome.
Thanks, both.
next prev parent reply other threads:[~2013-09-12 20:29 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-11 16:06 [PATCH] git-compat-util: Avoid strcasecmp() being inlined Sebastian Schuberth
2013-09-11 18:29 ` Jonathan Nieder
2013-09-11 19:16 ` Jeff King
2013-09-19 6:04 ` Piotr Krukowiecki
[not found] ` <CAPc5daVt4Q9twub5KyOQqZHx9CwOnkuwA97sXV44fF2j1e5HVg@mail.gmail.com>
2013-09-19 9:47 ` Piotr Krukowiecki
2013-09-19 21:16 ` Jeff King
2013-09-19 22:03 ` Junio C Hamano
2013-09-19 22:05 ` Jeff King
2013-09-19 22:40 ` Junio C Hamano
2013-09-20 3:18 ` Jeff King
2013-09-20 6:21 ` Piotr Krukowiecki
2013-09-24 5:32 ` Jeff King
2013-09-11 19:59 ` Sebastian Schuberth
2013-09-11 21:41 ` Jeff King
2013-09-12 9:36 ` Sebastian Schuberth
2013-09-12 10:14 ` John Keeping
2013-09-12 15:37 ` Junio C Hamano
2013-09-12 18:20 ` Jeff King
2013-09-12 18:35 ` Junio C Hamano
2013-09-12 18:38 ` Jonathan Nieder
2013-09-12 19:51 ` Sebastian Schuberth
2013-09-12 20:08 ` Junio C Hamano
2013-09-13 12:33 ` Sebastian Schuberth
2013-09-13 14:26 ` Junio C Hamano
2013-09-13 19:34 ` Sebastian Schuberth
2013-09-12 21:36 ` Jonathan Nieder
2013-09-12 19:00 ` Jeff King
2013-09-12 19:46 ` Sebastian Schuberth
2013-09-12 20:22 ` Jeff King
2013-09-12 20:29 ` Junio C Hamano [this message]
2013-09-13 12:47 ` Sebastian Schuberth
2013-09-13 14:37 ` Junio C Hamano
2013-09-13 19:53 ` Sebastian Schuberth
2013-09-13 19:56 ` Linus Torvalds
2013-09-13 20:03 ` Sebastian Schuberth
2013-09-13 20:01 ` Junio C Hamano
2013-09-13 20:04 ` Sebastian Schuberth
2013-09-13 22:06 ` Junio C Hamano
2013-09-13 22:35 ` Junio C Hamano
2013-09-15 12:44 ` Sebastian Schuberth
2013-09-17 16:17 ` Junio C Hamano
2013-09-17 19:16 ` Sebastian Schuberth
2013-09-17 21:46 ` Junio C Hamano
2013-09-18 9:43 ` Sebastian Schuberth
2013-09-18 12:19 ` Linus Torvalds
2013-09-12 21:31 ` Jonathan Nieder
2013-09-19 13:47 ` Sebastian Schuberth
2013-09-11 18:39 ` Junio C Hamano
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