From: Miles Bader <miles@lsi.nec.co.jp>
To: Hollis Blanchard <hollisb@us.ibm.com>
Cc: Otto Solares <solca@guug.org>,
"J.A. Magallon" <jamagallon@able.es>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
David McCullough <davidm@snapgear.com>,
uclinux-dev@uclinux.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Ihar Philips Filipau <filia@softhome.net>
Subject: Re: Kernel 2.6 size increase - get_current()?
Date: 28 Jul 2003 12:19:13 +0900 [thread overview]
Message-ID: <buowue3l4ni.fsf@mcspd15.ucom.lsi.nec.co.jp> (raw)
In-Reply-To: <9CA735B0-BEAD-11D7-BEDE-000A95A0560C@us.ibm.com>
Hollis Blanchard <hollisb@us.ibm.com> writes:
> Inlines don't always help performance (depending on cache sizes, branch
> penalties, frequency of code access...), but they do always increase
> code size.
Um, inlining can often _decrease_ code size because it gives the
compiler substantial new opportunities for optimization (the function
body is no longer opaque, so the compiler has a lot more info, and any
optimizations done on the inlined body can be context-specific).
-Miles
--
Is it true that nothing can be known? If so how do we know this? -Woody Allen
next prev parent reply other threads:[~2003-07-28 3:05 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-23 18:46 Kernel 2.6 size increase Bernardo Innocenti
2003-07-23 19:14 ` Richard B. Johnson
2003-07-23 20:07 ` David S. Miller
2003-07-23 21:47 ` Randy.Dunlap
2003-07-23 19:32 ` [uClinux-dev] " Christoph Hellwig
2003-07-23 20:11 ` David S. Miller
2003-07-23 20:15 ` Christoph Hellwig
2003-07-23 20:22 ` David S. Miller
2003-07-23 20:27 ` Christoph Hellwig
2003-07-23 22:35 ` [uClinux-dev] Kernel 2.6 size increase - get_current()? Bernardo Innocenti
2003-07-23 22:37 ` Alan Cox
2003-07-23 23:00 ` Bernardo Innocenti
2003-07-24 5:06 ` David McCullough
2003-07-24 11:28 ` Alan Cox
2003-07-24 12:04 ` David McCullough
2003-07-24 14:48 ` Alan Cox
2003-07-25 18:25 ` bill davidsen
2003-07-24 15:30 ` Hollis Blanchard
2003-07-24 19:37 ` Alan Cox
2003-07-24 19:51 ` Hollis Blanchard
2003-07-24 21:20 ` J.A. Magallon
2003-07-25 4:22 ` Otto Solares
2003-07-25 14:38 ` Hollis Blanchard
2003-07-28 3:19 ` Miles Bader [this message]
2003-07-28 8:14 ` Ihar "Philips" Filipau
2003-07-28 8:58 ` Miles Bader
2003-07-28 9:03 ` Ihar "Philips" Filipau
2003-07-23 21:57 ` [uClinux-dev] Kernel 2.6 size increase Bernardo Innocenti
2003-07-23 22:07 ` Bernardo Innocenti
2003-07-23 22:27 ` Willy Tarreau
2003-07-23 22:34 ` Alan Cox
2003-07-24 20:27 ` Bernardo Innocenti
2003-07-25 15:46 ` Christoph Hellwig
2003-07-25 23:55 ` [PATCH] Make I/O schedulers optional (Was: Re: Kernel 2.6 size increase) Bernardo Innocenti
2003-07-26 8:17 ` Andrew Morton
2003-07-26 12:40 ` Bernardo Innocenti
2003-07-26 14:07 ` Jens Axboe
2003-07-26 23:42 ` Bernardo Innocenti
2003-07-26 23:41 ` Jens Axboe
2003-07-28 17:13 ` [uClinux-dev] Kernel 2.6 size increase Nicolas Pitre
2003-07-28 23:02 ` Bernardo Innocenti
2003-07-29 2:36 ` Miles Bader
2003-08-08 13:25 ` [uClinux-dev] " David Woodhouse
2003-08-08 14:37 ` Bernardo Innocenti
2003-08-08 14:43 ` David Woodhouse
2003-07-25 18:16 ` bill davidsen
2003-07-29 22:29 ` Tom Rini
2003-07-29 22:48 ` Alan Cox
2003-07-29 23:06 ` Tom Rini
2003-07-30 2:07 ` Miles Bader
2003-07-30 15:33 ` Tom Rini
2003-07-31 1:49 ` Miles Bader
2003-07-31 4:17 ` Tom Rini
2003-07-31 5:03 ` Miles Bader
2003-07-31 15:24 ` Tom Rini
2003-07-30 2:49 ` [uClinux-dev] " Bernardo Innocenti
2003-07-30 15:35 ` Tom Rini
2003-07-30 16:45 ` [uClinux-dev] Kernel 2.6 size increase (PATCH) Bernardo Innocenti
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