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From: Artur Skawina <art.08.09@gmail.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nicolas Pitre <nico@cam.org>, George Spelvin <linux@horizon.com>,
	Junio C Hamano <gitster@pobox.com>,
	git@vger.kernel.org
Subject: Re: x86 SHA1: Faster than OpenSSL
Date: Thu, 06 Aug 2009 07:56:04 +0200	[thread overview]
Message-ID: <4A7A7074.1060506@gmail.com> (raw)
In-Reply-To: <4A7A6DBC.9010107@gmail.com>

Artur Skawina wrote:
> i did try (obvious patch below) and in fact the loops still win on p4:
> 
> #Initializing... Rounds: 1000000, size: 62500K, time: 1.428s, speed: 42.76MB/s
> #             TIME[s] SPEED[MB/s]
> rfc3174         1.437       42.47
> rfc3174         1.438       42.45
> linus          0.5791       105.4
> linusas        0.5052       120.8
> mozilla         1.525       40.01
> mozillaas       1.192       51.19

and my atom seems to like the compact loops too: 

#Initializing... Rounds: 1000000, size: 62500K, time: 4.379s, speed: 13.94MB/s
#             TIME[s] SPEED[MB/s]
rfc3174         4.429       13.78
rfc3174         4.414       13.83
linus           1.733       35.22
linusas           1.5        40.7
mozilla         2.818       21.66
mozillaas       2.539       24.04

artur

  reply	other threads:[~2009-08-06  5:56 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
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 [this message]
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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