From: Avi Kivity <avi@redhat.com>
To: Samuel Thibault <samuel.thibault@ens-lyon.org>,
Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Arjan van de Ven <arjan@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Suresh Siddha <suresh.b.siddha@intel.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Fr??d??ric Weisbecker <fweisbec@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Nick Piggin <npiggin@suse.de>,
Eric Dumazet <eric.dumazet@gmail.com>,
Mike Galbraith <efault@gmx.de>, "H. Peter Anvin" <hpa@zytor.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/4] Really lazy fpu
Date: Wed, 16 Jun 2010 12:43:27 +0300 [thread overview]
Message-ID: <4C189CBF.1040701@redhat.com> (raw)
In-Reply-To: <20100616090155.GK4240@const>
On 06/16/2010 12:01 PM, Samuel Thibault wrote:
> Ingo Molnar, le Wed 16 Jun 2010 10:39:41 +0200, a écrit :
>
>> in the long run most processes will be using the FPU due to SIMM
>> instructions.
>>
> I believe glibc already uses SIMM instructions for e.g. memcpy and
> friends, i.e. basically all applications...
>
I think they ought to be using 'rep movs' on newer processors, but yes
you're right.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-06-16 9:44 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-13 15:03 [PATCH 0/4] Really lazy fpu Avi Kivity
2010-06-13 15:03 ` [PATCH 1/4] x86, fpu: merge __save_init_fpu() implementations Avi Kivity
2010-06-13 15:03 ` [PATCH 2/4] x86, fpu: run device not available trap with interrupts enabled Avi Kivity
2010-06-13 15:03 ` [PATCH 3/4] x86, fpu: Let the fpu remember which cpu it is active on Avi Kivity
2010-06-13 15:03 ` [PATCH 4/4] x86, fpu: don't save fpu state when switching from a task Avi Kivity
2010-06-13 20:45 ` [PATCH 0/4] Really lazy fpu Valdis.Kletnieks
2010-06-14 7:47 ` Avi Kivity
2010-06-16 7:24 ` Avi Kivity
2010-06-16 7:32 ` H. Peter Anvin
2010-06-16 8:02 ` Avi Kivity
2010-06-16 8:39 ` Ingo Molnar
2010-06-16 9:01 ` Samuel Thibault
2010-06-16 9:43 ` Avi Kivity [this message]
2010-06-16 9:10 ` Nick Piggin
2010-06-16 9:30 ` Avi Kivity
2010-06-16 9:28 ` Avi Kivity
-- strict thread matches above, loose matches on Subject: below --
2010-06-16 11:32 George Spelvin
2010-06-16 11:46 ` Avi Kivity
2010-06-17 9:38 ` George Spelvin
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