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From: Aaron Lehmann <aaronl@vitelus.com>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-kernel@vger.kernel.org, nfs@lists.sourceforge.net
Subject: Re: [PATCH] zerocopy NFS for 2.5.36
Date: Wed, 18 Sep 2002 19:13:33 -0700	[thread overview]
Message-ID: <20020919021333.GC20500@vitelus.com> (raw)
In-Reply-To: <3D89176B.40FFD09B@digeo.com>

> akpm:/usr/src/cptimer> ./cptimer -d -s     
> nbytes=10240  from_align=0, to_align=0
>     copy_32: copied 19.1 Mbytes in 0.078 seconds at 243.9 Mbytes/sec
> __copy_duff: copied 19.1 Mbytes in 0.090 seconds at 211.1 Mbytes/sec

It's disappointing that this program doesn't seem to support
benchmarking of MMX copy loops (like the ones in arch/i386/lib/mmx.c).
Those seem to be the more interesting memcpy functions on modern
systems.

  reply	other threads:[~2002-09-19  2:13 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-18  8:14 [PATCH] zerocopy NFS for 2.5.36 Hirokazu Takahashi
2002-09-18 23:00 ` David S. Miller
2002-09-18 23:54   ` Alan Cox
2002-09-18 23:54     ` Alan Cox
2002-09-19  0:16     ` Andrew Morton
2002-09-19  2:13       ` Aaron Lehmann [this message]
2002-09-19  3:30         ` Andrew Morton
2002-09-19  3:30           ` Andrew Morton
2002-09-19 10:42           ` Alan Cox
2002-09-19 10:42             ` Alan Cox
2002-09-19 13:15       ` [NFS] " Hirokazu Takahashi
2002-09-19 20:42         ` Andrew Morton
2002-09-19 21:12           ` David S. Miller
2002-09-19 21:12             ` [NFS] " David S. Miller
2002-09-21 11:56   ` Pavel Machek
2002-09-21 11:56     ` Pavel Machek
2002-10-14  5:50 ` Neil Brown
2002-10-14  6:15   ` David S. Miller
2002-10-14 10:45     ` kuznet
2002-10-14 10:48       ` David S. Miller
2002-10-14 12:01   ` Hirokazu Takahashi
2002-10-14 14:12     ` Andrew Theurer
2002-10-16  3:44     ` Neil Brown
2002-10-16  4:31       ` David S. Miller
2002-10-16 15:04         ` Andrew Theurer
2002-10-17  2:03         ` [NFS] " Andrew Theurer
2002-10-17  2:31           ` Hirokazu Takahashi
2002-10-17 13:16             ` Andrew Theurer
2002-10-17 13:16               ` [NFS] " Andrew Theurer
2002-10-17 13:26               ` Hirokazu Takahashi
2002-10-17 13:26                 ` [NFS] " Hirokazu Takahashi
2002-10-17 14:10                 ` Andrew Theurer
2002-10-17 16:26                   ` Hirokazu Takahashi
2002-10-17 16:26                     ` [NFS] " Hirokazu Takahashi
2002-10-18  5:38                     ` Trond Myklebust
2002-10-18  7:19                       ` Hirokazu Takahashi
2002-10-18 15:12                         ` Andrew Theurer
2002-10-18 15:12                           ` [NFS] " Andrew Theurer
2002-10-19 20:34                           ` Hirokazu Takahashi
2002-10-19 20:34                             ` [NFS] " Hirokazu Takahashi
2002-10-22 21:16                             ` Andrew Theurer
2002-10-22 21:16                               ` [NFS] " Andrew Theurer
2002-10-23  9:29                               ` Hirokazu Takahashi
2002-10-24 15:32                                 ` Andrew Theurer
2002-10-27 11:10                                   ` Hirokazu Takahashi
2002-10-16 11:09       ` Hirokazu Takahashi
2002-10-16 17:02         ` kaza
2002-10-17  4:36           ` rddunlap
2002-10-18 13:11   ` [PATCH] zerocopy NFS for 2.5.43 Hirokazu Takahashi
2002-10-23  1:18     ` Neil Brown
2002-10-23  3:53       ` Hirokazu Takahashi
2002-10-23  5:40         ` Hirokazu Takahashi
2002-10-23  6:03           ` Neil Brown
2002-10-23 22:35             ` Hirokazu Takahashi
2002-10-23  6:10         ` Neil Brown
2002-10-23  7:08           ` Hirokazu Takahashi
2002-10-23 15:23           ` Trond Myklebust
2002-10-23 21:50       ` Hirokazu Takahashi
2002-10-23 23:55         ` Trond Myklebust
2002-10-24  1:33           ` Hirokazu Takahashi
2002-10-27 10:39             ` Hirokazu Takahashi
2002-10-28 16:31               ` Trond Myklebust
2002-10-28 23:39                 ` Hirokazu Takahashi
2002-10-29  6:36                 ` Hirokazu Takahashi
2002-10-29 15:09                   ` Trond Myklebust
2002-10-29 16:27                     ` Hirokazu Takahashi
2002-10-29 16:49                       ` Trond Myklebust
2002-10-30  3:18                     ` Hirokazu Takahashi
2002-10-25  9:52       ` Hirokazu Takahashi
2002-10-25 12:41         ` Neil Brown
2002-10-26  3:11           ` Hirokazu Takahashi
2002-10-26  3:46             ` Benjamin LaHaise
2002-10-27 22:46               ` Neil Brown
2002-10-30 23:29           ` Hirokazu Takahashi
2002-10-30 23:53             ` Neil Brown
2002-10-31  2:06               ` Hirokazu Takahashi
2002-10-31 15:40                 ` Hirokazu Takahashi
2002-10-31 16:56                   ` Hirokazu Takahashi
2002-11-01  1:10                     ` Neil Brown
2002-11-04 21:13                       ` Andrew Theurer
2002-11-01  0:54                   ` Neil Brown
2002-11-01  1:39                     ` Hirokazu Takahashi
2002-11-01  3:41                     ` Hirokazu Takahashi
2002-11-01  4:20                       ` Neil Brown
2002-11-01  5:07                         ` Hirokazu Takahashi
2002-10-25 17:23         ` Trond Myklebust
2002-10-26  3:26           ` Hirokazu Takahashi

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