From: Neil Horman <nhorman@tuxdriver.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org, sebastien.dugue@bull.net,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
x86@kernel.org
Subject: Re: [PATCH] x86: Run checksumming in parallel accross multiple alu's
Date: Fri, 25 Oct 2013 09:06:36 -0400 [thread overview]
Message-ID: <20131025130636.GC9281@hmsreliant.think-freely.org> (raw)
In-Reply-To: <b6c65074-a35e-4c50-8e97-096e48e0c506@email.android.com>
On Fri, Oct 18, 2013 at 10:09:54AM -0700, H. Peter Anvin wrote:
> If implemented properly adcx/adox should give additional speedup... that is the whole reason for their existence.
>
Ok, fair enough. Unfotunately, I'm not going to be able to get my hands on a
stepping of this CPU to test any code using these instructions for some time, so
I'll back burner their use and revisit them later. I'm still working on the
parallel alu/prefetch angle though.
Neil
next prev parent reply other threads:[~2013-10-25 13:06 UTC|newest]
Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 16:51 Neil Horman
2013-10-12 17:21 ` Ingo Molnar
2013-10-13 12:53 ` Neil Horman
2013-10-14 20:28 ` Neil Horman
2013-10-14 21:19 ` Eric Dumazet
2013-10-14 22:18 ` Eric Dumazet
2013-10-14 22:37 ` Joe Perches
2013-10-14 22:44 ` Eric Dumazet
2013-10-14 22:49 ` Joe Perches
2013-10-15 7:41 ` Ingo Molnar
2013-10-15 10:51 ` Borislav Petkov
2013-10-15 12:04 ` Ingo Molnar
2013-10-15 16:21 ` Joe Perches
2013-10-16 0:34 ` Eric Dumazet
2013-10-16 6:25 ` Ingo Molnar
2013-10-16 16:55 ` Joe Perches
2013-10-17 0:34 ` Neil Horman
2013-10-17 1:42 ` Eric Dumazet
2013-10-18 16:50 ` Neil Horman
2013-10-18 17:20 ` Eric Dumazet
2013-10-18 20:11 ` Neil Horman
2013-10-18 21:15 ` Eric Dumazet
2013-10-20 21:29 ` Neil Horman
2013-10-21 17:31 ` Eric Dumazet
2013-10-21 17:46 ` Neil Horman
2013-10-21 19:21 ` Neil Horman
2013-10-21 19:44 ` Eric Dumazet
2013-10-21 20:19 ` Neil Horman
2013-10-26 12:01 ` Ingo Molnar
2013-10-26 13:58 ` Neil Horman
2013-10-27 7:26 ` Ingo Molnar
2013-10-27 17:05 ` Neil Horman
2013-10-17 8:41 ` Ingo Molnar
2013-10-17 18:19 ` H. Peter Anvin
2013-10-17 18:48 ` Eric Dumazet
2013-10-18 6:43 ` Ingo Molnar
2013-10-28 16:01 ` Neil Horman
2013-10-28 16:20 ` Ingo Molnar
2013-10-28 17:49 ` Neil Horman
2013-10-28 16:24 ` Ingo Molnar
2013-10-28 16:49 ` David Ahern
2013-10-28 17:46 ` Neil Horman
2013-10-28 18:29 ` Neil Horman
2013-10-29 8:25 ` Ingo Molnar
2013-10-29 11:20 ` Neil Horman
2013-10-29 11:30 ` Ingo Molnar
2013-10-29 11:49 ` Neil Horman
2013-10-29 12:52 ` Ingo Molnar
2013-10-29 13:07 ` Neil Horman
2013-10-29 13:11 ` Ingo Molnar
2013-10-29 13:20 ` Neil Horman
2013-10-29 14:17 ` Neil Horman
2013-10-29 14:27 ` Ingo Molnar
2013-10-29 20:26 ` Neil Horman
2013-10-31 10:22 ` Ingo Molnar
2013-10-31 14:33 ` Neil Horman
2013-11-01 9:13 ` Ingo Molnar
2013-11-01 14:06 ` Neil Horman
2013-10-29 14:12 ` David Ahern
2013-10-15 7:32 ` Ingo Molnar
2013-10-15 13:14 ` Neil Horman
2013-10-12 22:29 ` H. Peter Anvin
2013-10-13 12:53 ` Neil Horman
2013-10-18 16:42 ` Neil Horman
2013-10-18 17:09 ` H. Peter Anvin
2013-10-25 13:06 ` Neil Horman [this message]
2013-10-14 4:38 ` Andi Kleen
2013-10-14 7:49 ` Ingo Molnar
2013-10-14 21:07 ` Eric Dumazet
2013-10-15 13:17 ` Neil Horman
2013-10-14 20:25 ` Neil Horman
2013-10-15 7:12 ` Sébastien Dugué
2013-10-15 13:33 ` Andi Kleen
2013-10-15 13:56 ` Sébastien Dugué
2013-10-15 14:06 ` Eric Dumazet
2013-10-15 14:15 ` Sébastien Dugué
2013-10-15 14:26 ` Eric Dumazet
2013-10-15 14:52 ` Eric Dumazet
2013-10-15 16:02 ` Andi Kleen
2013-10-16 0:28 ` Eric Dumazet
2013-11-06 15:23 ` x86: Enhance perf checksum profiling and x86 implementation Neil Horman
2013-11-06 15:23 ` [PATCH v2 1/2] perf: Add csum benchmark tests to perf Neil Horman
2013-11-06 15:23 ` [PATCH v2 2/2] x86: add prefetching to do_csum Neil Horman
2013-11-06 15:34 ` Dave Jones
2013-11-06 15:54 ` Neil Horman
2013-11-06 17:19 ` Joe Perches
2013-11-06 18:11 ` Neil Horman
2013-11-06 20:02 ` Neil Horman
2013-11-06 20:07 ` Joe Perches
2013-11-08 16:25 ` Neil Horman
2013-11-08 16:51 ` Joe Perches
2013-11-08 19:07 ` Neil Horman
2013-11-08 19:17 ` Joe Perches
2013-11-08 20:08 ` Neil Horman
2013-11-08 19:17 ` H. Peter Anvin
2013-11-08 19:01 ` Neil Horman
2013-11-08 19:33 ` Joe Perches
2013-11-08 20:14 ` Neil Horman
2013-11-08 20:29 ` Joe Perches
2013-11-11 19:40 ` Neil Horman
2013-11-11 21:18 ` Ingo Molnar
2013-11-06 18:23 ` Eric Dumazet
2013-11-06 18:59 ` Neil Horman
2013-11-06 20:19 ` Andi Kleen
2013-11-07 21:23 ` Neil Horman
2013-10-18 15:46 [PATCH] x86: Run checksumming in parallel accross multiple alu's Doug Ledford
2013-10-18 17:42 Doug Ledford
2013-10-19 8:23 ` Ingo Molnar
2013-10-21 17:54 ` Doug Ledford
2013-10-26 11:55 ` Ingo Molnar
2013-10-28 17:02 ` Doug Ledford
2013-10-29 8:38 ` Ingo Molnar
2013-10-30 5:25 Doug Ledford
2013-10-30 10:27 ` David Laight
2013-10-30 11:02 ` Neil Horman
2013-10-30 12:18 ` David Laight
2013-10-30 13:22 ` Doug Ledford
2013-10-30 13:35 ` Doug Ledford
2013-10-30 14:04 ` David Laight
2013-10-30 14:52 ` Neil Horman
2013-10-31 18:30 ` Neil Horman
2013-11-01 9:21 ` Ingo Molnar
2013-11-01 15:42 ` Ben Hutchings
2013-11-01 16:08 ` Neil Horman
2013-11-01 16:16 ` Ben Hutchings
2013-11-01 16:18 ` David Laight
2013-11-01 17:37 ` Neil Horman
2013-11-01 19:45 ` Joe Perches
2013-11-01 19:58 ` Neil Horman
2013-11-01 20:26 ` Joe Perches
2013-11-02 2:07 ` Neil Horman
2013-11-04 9:47 ` David Laight
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