From: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
To: 'Ingo Molnar' <mingo@elte.hu>
Cc: Keith Owens <kaos@ocs.com.au>,
David.Mosberger@acm.org, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org
Subject: RE: Add prefetch switch stack hook in scheduler function
Date: Fri, 29 Jul 2005 08:30:41 +0000 [thread overview]
Message-ID: <200507290830.j6T8Ugg08348@unix-os.sc.intel.com> (raw)
In-Reply-To: <20050729070702.GA3327@elte.hu>
In-Reply-To: <200507272207.j6RM7fg18695@unix-os.sc.intel.com>
Ingo Molnar wrote on Friday, July 29, 2005 12:07 AM
> the patch below unrolls the prefetch_range() loop manually, for up to 5
> cachelines prefetched. This patch, ontop of the 4 previous patches,
> should generate similar code to the assembly code in your original
> patch. The full patch-series is:
It generate slight different code because previous patch asks for a little
over 5 cache lines worth of bytes and it always go to the for loop.
next prev parent reply other threads:[~2005-07-29 8:30 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-27 22:07 Add prefetch switch stack hook in scheduler function Chen, Kenneth W
2005-07-27 23:13 ` Andrew Morton
2005-07-27 23:23 ` david mosberger
2005-07-28 7:41 ` Ingo Molnar
2005-07-28 8:09 ` Keith Owens
2005-07-28 8:16 ` Ingo Molnar
2005-07-28 9:09 ` Ingo Molnar
2005-07-28 8:31 ` Nick Piggin
2005-07-28 8:35 ` Ingo Molnar
2005-07-28 8:48 ` Nick Piggin
2005-07-28 9:16 ` Ingo Molnar
2005-07-28 9:19 ` Ingo Molnar
2005-07-28 9:34 ` Nick Piggin
2005-07-28 10:04 ` Ingo Molnar
2005-07-28 10:29 ` Nick Piggin
2005-07-28 19:14 ` Chen, Kenneth W
2005-07-29 7:04 ` Ingo Molnar
2005-07-29 7:07 ` Ingo Molnar
2005-07-29 8:30 ` Eric Dumazet
2005-07-29 8:44 ` Ingo Molnar
2005-07-29 9:17 ` Peter Zijlstra
2005-07-29 10:52 ` Ingo Molnar
2005-07-29 7:22 ` Chen, Kenneth W
2005-07-29 8:28 ` Ingo Molnar
2005-07-29 9:02 ` Russell King
2005-07-29 9:45 ` Ingo Molnar
2005-07-29 7:38 ` Keith Owens
2005-07-29 7:45 ` Keith Owens
2005-07-29 8:02 ` Chen, Kenneth W
2005-07-29 8:08 ` Chen, Kenneth W
2005-07-29 8:30 ` Chen, Kenneth W [this message]
2005-07-29 8:35 ` Ingo Molnar
2005-07-29 8:39 ` Chen, Kenneth W
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