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From: Daniel Berlin <dberlin@dberlin.org>
To: gcc-bugzilla@gcc.gnu.org
Cc: gcc-bugs@gcc.gnu.org
Subject: Re: [Bug tree-optimization/27140] Compiling LLVM now takes nearly 5x as long with 4.1 as it did with 4.0
Date: Thu, 13 Apr 2006 22:40:00 -0000 [thread overview]
Message-ID: <4259B28A-0BDA-4407-86BE-06B4A18C0EBC@dberlin.org> (raw)
In-Reply-To: <20060413203041.5624.qmail@sourceware.org>
On Apr 13, 2006, at 1:30 PM, rspencer at x10sys dot com wrote:
>
>
> ------- Comment #6 from rspencer at x10sys dot com 2006-04-13
> 20:30 -------
> Created an attachment (id=11261)
> --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=11261&action=view)
> Timing results with -fno-tree-salias
>
> Andrew Pinskia suggested that I try -fno-tree-salias. This decreased
> compilation time by about 10% (244 secs vs 265 secs).
Only by virtue of the fact that you have a smaller number of phi nodes.
It's not going to give an order of magnitude improvement here.
next prev parent reply other threads:[~2006-04-13 22:40 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-13 7:44 [Bug c++/27140] New: " rspencer at x10sys dot com
2006-04-13 7:48 ` [Bug c++/27140] " rspencer at x10sys dot com
2006-04-13 16:30 ` [Bug tree-optimization/27140] " pinskia at gcc dot gnu dot org
2006-04-13 16:31 ` sabre at nondot dot org
2006-04-13 17:26 ` rspencer at x10sys dot com
2006-04-13 20:14 ` rspencer at x10sys dot com
2006-04-13 20:30 ` rspencer at x10sys dot com
2006-04-13 22:40 ` Daniel Berlin [this message]
2006-04-13 22:40 ` dberlin at dberlin dot org
2006-04-17 10:16 ` rguenth at gcc dot gnu dot org
2006-04-21 23:12 ` rspencer at x10sys dot com
2006-10-17 22:42 ` rspencer at x10sys dot com
2006-10-17 22:44 ` Andrew Pinski
2006-10-17 22:44 ` pinskia at physics dot uc dot edu
2008-01-26 23:00 ` rguenth at gcc dot gnu dot org
2008-09-03 2:13 ` pinskia at gcc dot gnu dot org
2009-08-14 16:27 ` jessieluv22 at gmail dot com
[not found] <bug-27140-4@http.gcc.gnu.org/bugzilla/>
2012-01-10 15:57 ` rguenth at gcc dot gnu.org
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