From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Andy Lutomirski <luto@amacapital.net>
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Juri Lelli <juri.lelli@gmail.com>
Subject: Re: [RFC][PATCH 0/3] gcc work-around and math128
Date: Tue, 24 Apr 2012 23:51:23 +0200 [thread overview]
Message-ID: <1335304283.28150.240.camel@twins> (raw)
In-Reply-To: <CALCETrWJvQ6h=YaPX20pTGLQ39m1aFNEuubTb9f3cJczDPWy-g@mail.gmail.com>
On Tue, 2012-04-24 at 14:35 -0700, Andy Lutomirski wrote:
> Yeesh. That looks way slower.
Indeed, pulled it through gcc and saw what was generated with
mult_frac :/
prev parent reply other threads:[~2012-04-24 21:51 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-24 16:10 [RFC][PATCH 0/3] gcc work-around and math128 Peter Zijlstra
2012-04-24 16:10 ` [RFC][PATCH 1/3] kernel,sched,time: Clean up gcc work-arounds Peter Zijlstra
2012-04-24 19:39 ` Linus Torvalds
2012-04-25 0:14 ` Stephen Rothwell
2012-04-24 16:10 ` [RFC][PATCH 2/3] math128: Introduce {mult,add,cmp}_u128 Peter Zijlstra
2012-04-24 19:37 ` Linus Torvalds
2012-04-24 19:43 ` Peter Zijlstra
2012-04-24 20:12 ` Måns Rullgård
2012-04-24 21:54 ` Peter Zijlstra
2012-04-25 0:09 ` H. Peter Anvin
2012-04-25 1:46 ` Linus Torvalds
2012-04-25 8:35 ` Peter Zijlstra
2012-04-25 10:13 ` Peter Zijlstra
2012-04-25 0:23 ` Stephen Rothwell
2012-04-25 8:11 ` Peter Zijlstra
2012-04-25 11:23 ` Geert Uytterhoeven
2012-04-25 11:58 ` Peter Zijlstra
2012-04-25 14:35 ` Geert Uytterhoeven
2012-04-25 15:09 ` Peter Zijlstra
2012-04-24 16:10 ` [RFC][PATCH 3/3] math128, x86_64: Implement {mult,add}_u128 in 64bit asm Peter Zijlstra
2012-04-24 16:34 ` H. Peter Anvin
2012-04-24 16:36 ` Peter Zijlstra
2012-04-24 17:17 ` H. Peter Anvin
2012-04-24 17:19 ` Peter Zijlstra
2012-04-24 17:20 ` H. Peter Anvin
2012-04-24 22:00 ` Peter Zijlstra
2012-04-24 22:03 ` H. Peter Anvin
2012-04-24 17:22 ` [RFC][PATCH 0/3] gcc work-around and math128 H. Peter Anvin
2012-04-24 17:27 ` H. Peter Anvin
2012-04-24 21:15 ` Andy Lutomirski
2012-04-24 21:18 ` Linus Torvalds
2012-04-24 21:32 ` Peter Zijlstra
2012-04-24 21:35 ` Andy Lutomirski
2012-04-24 21:51 ` Peter Zijlstra [this message]
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