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From: Hans Reiser <reiser@namesys.com>
To: David Masover <ninja@slaphack.com>
Cc: Gregory Maxwell <gmaxwell@gmail.com>, PFC <lists@peufeu.com>,
	"reiserfs-list@namesys.com" <reiserfs-list@namesys.com>
Subject: Re: Reiser4 und LZO compression
Date: Tue, 29 Aug 2006 12:38:06 -0700	[thread overview]
Message-ID: <44F4979E.9020101@namesys.com> (raw)
In-Reply-To: <44F4914A.1010005@slaphack.com>

David Masover wrote:
>   John Carmack is pretty much the only superstar programmer in video
> games, and after his first fairly massive attempt to make Quake 3 have
> two threads (since he'd just gotten a dual-core machine to play with)
> actually resulted in the game running some 30-40% slower than it did
> with a single thread.
Do the two processors have separate caches, and thus being overly fined
grained makes you memory transfer bound or?

Two processors tends to create a snappier user experience, in that big
CPU processes get throttled nicely.

Hans

  reply	other threads:[~2006-08-29 19:38 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-27  0:34 Reiser4 und LZO compression Alexey Dobriyan
2006-08-27  8:04 ` Andrew Morton
2006-08-27  8:49   ` Ray Lee
2006-08-27  9:42   ` David Masover
2006-08-28 17:34     ` Jindrich Makovicka
2006-08-28 18:05       ` Edward Shishkin
2006-08-28 12:42   ` Jörn Engel
2006-08-29 13:14   ` PFC
2006-08-29 17:38     ` David Masover
2006-08-28 17:06 ` Hans Reiser
2006-08-28 17:37   ` Stefan Traby
2006-08-28 18:15     ` Edward Shishkin
2006-08-28 21:48       ` Nigel Cunningham
2006-08-28 23:32         ` Hans Reiser
2006-08-29  4:05         ` Jan Engelhardt
2006-08-29  5:41           ` Nigel Cunningham
2006-08-29  8:23             ` David Masover
2006-08-29  9:57               ` Nigel Cunningham
2006-08-29 11:09                 ` Ray Lee
2006-08-29 11:38                 ` Edward Shishkin
2006-08-29 22:03                   ` Nigel Cunningham
2006-08-29  4:59         ` Paul Mundt
2006-08-29  5:47           ` Nigel Cunningham
2006-08-29 13:45           ` PFC
2006-08-29 14:38             ` Stefan Traby
2006-08-29 15:55               ` PFC
2006-08-29 17:56                 ` Hans Reiser
2006-08-29 18:31                   ` David Masover
2006-08-29 18:36                     ` Gregory Maxwell
2006-08-29 19:11                       ` David Masover
2006-08-29 19:38                         ` Hans Reiser [this message]
2006-08-29 20:03                           ` David Masover
2006-08-29 22:15                             ` Toby Thain
2006-08-29 22:42                               ` David Masover
2006-08-30  9:17                                 ` PFC
2006-08-30 10:45                                   ` David Masover
2006-08-30 16:50                                   ` Edward Shishkin
2006-08-30 16:55                                     ` Hans Reiser
2006-08-31  9:32                                       ` Clemens Eisserer
2006-08-31 12:00                                         ` Edward Shishkin
2006-08-31 15:14                                           ` Clemens Eisserer
2006-08-31 16:55                                           ` Hans Reiser
2006-08-31 18:08                                             ` Edward Shishkin
2006-08-31 19:22                                         ` David Masover
2006-08-29 15:41             ` Gregory Maxwell
2006-08-29 17:42             ` Hans Reiser
2006-08-29  9:29         ` Edward Shishkin

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