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From: Peter Harris <git@peter.is-a-geek.org>
To: George Spelvin <linux@horizon.com>
Cc: git@vger.kernel.org
Subject: Re: Request for benchmarking: x86 SHA1 code
Date: Fri, 31 Jul 2009 11:05:09 -0400	[thread overview]
Message-ID: <eaa105840907310805x452f6b09tf602672359bd1aac@mail.gmail.com> (raw)
In-Reply-To: <20090731104602.15375.qmail@science.horizon.com>

On Fri, Jul 31, 2009 at 6:46 AM, George Spelvin wrote:
> Could someone do some benchmarking for me?  Old (486/Pentium/P2/P3)
> machines are also interesting, but I'm optimizing for newer ones.

The new code appears to be marginally faster on a Pentium 3 Xeon:

Best of five runs:
586test: 11.658661 s
x86test: 11.209024 s

$ cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 7
model name      : Pentium III (Katmai)
stepping        : 3
cpu MHz         : 547.630
cache size      : 1024 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 mmx fxsr sse
bogomips        : 1097.12
clflush size    : 32
power management:

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 7
model name      : Pentium III (Katmai)
stepping        : 3
cpu MHz         : 547.630
cache size      : 1024 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 mmx fxsr sse
bogomips        : 1095.37
clflush size    : 32
power management:

  parent reply	other threads:[~2009-07-31 15:05 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-26 23:21 Performance issue of 'git branch' George Spelvin
2009-07-31 10:46 ` Request for benchmarking: x86 SHA1 code George Spelvin
2009-07-31 11:11   ` Erik Faye-Lund
2009-07-31 11:31     ` George Spelvin
2009-07-31 11:37     ` Michael J Gruber
2009-07-31 12:24       ` Erik Faye-Lund
2009-07-31 12:29         ` Johannes Schindelin
2009-07-31 12:32         ` George Spelvin
2009-07-31 12:45           ` Erik Faye-Lund
2009-07-31 13:02             ` George Spelvin
2009-07-31 11:21   ` Michael J Gruber
2009-07-31 11:26   ` Michael J Gruber
2009-07-31 12:31   ` Carlos R. Mafra
2009-07-31 13:27   ` Brian Ristuccia
2009-07-31 14:05     ` George Spelvin
2009-07-31 13:27   ` Jakub Narebski
2009-07-31 15:05   ` Peter Harris [this message]
2009-07-31 15:22   ` Peter Harris
2009-08-03  3:47   ` x86 SHA1: Faster than OpenSSL George Spelvin
2009-08-03  7:36     ` Jonathan del Strother
2009-08-04  1:40     ` Mark Lodato
2009-08-04  2:30     ` Linus Torvalds
2009-08-04  2:51       ` Linus Torvalds
2009-08-04  3:07         ` Jon Smirl
2009-08-04  5:01           ` George Spelvin
2009-08-04 12:56             ` Jon Smirl
2009-08-04 14:29               ` Dmitry Potapov
2009-08-18 21:50         ` Andy Polyakov
2009-08-04  4:48       ` George Spelvin
2009-08-04  6:30         ` Linus Torvalds
2009-08-04  8:01           ` George Spelvin
2009-08-04 20:41             ` Junio C Hamano
2009-08-05 18:17               ` George Spelvin
2009-08-05 20:36                 ` Johannes Schindelin
2009-08-05 20:44                 ` Junio C Hamano
2009-08-05 20:55                 ` Linus Torvalds
2009-08-05 23:13                   ` Linus Torvalds
2009-08-06  1:18                     ` Linus Torvalds
2009-08-06  1:52                       ` Nicolas Pitre
2009-08-06  2:04                         ` Junio C Hamano
2009-08-06  2:10                           ` Linus Torvalds
2009-08-06  2:20                           ` Nicolas Pitre
2009-08-06  2:08                         ` Linus Torvalds
2009-08-06  3:19                           ` Artur Skawina
2009-08-06  3:31                             ` Linus Torvalds
2009-08-06  3:48                               ` Linus Torvalds
2009-08-06  4:01                                 ` Linus Torvalds
2009-08-06  4:28                                   ` Artur Skawina
2009-08-06  4:50                                     ` Linus Torvalds
2009-08-06  5:19                                       ` Artur Skawina
2009-08-06  7:03                                         ` George Spelvin
2009-08-06  4:52                                 ` George Spelvin
2009-08-06  4:08                               ` Artur Skawina
2009-08-06  4:27                                 ` Linus Torvalds
2009-08-06  5:44                                   ` Artur Skawina
2009-08-06  5:56                                     ` Artur Skawina
2009-08-06  7:45                                       ` Artur Skawina
2009-08-06 18:49                       ` Erik Faye-Lund
2009-08-04  6:40         ` Linus Torvalds
2009-08-18 21:26     ` Andy Polyakov

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