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From: Peter Svensson <petersv@psv.nu>
To: Michael Sinz <msinz@wgate.com>
Cc: "Bill Huey (Hui)" <billh@gnuppy.monkey.org>,
	Peter Waechtler <pwaechtler@mac.com>,
	<linux-kernel@vger.kernel.org>, ingo Molnar <mingo@redhat.com>
Subject: Offtopic: (was Re: [ANNOUNCE] Native POSIX Thread Library 0.1)
Date: Tue, 24 Sep 2002 16:50:46 +0200 (CEST)	[thread overview]
Message-ID: <Pine.LNX.4.44.0209241646170.2383-100000@cheetah.psv.nu> (raw)
In-Reply-To: <3D90749D.50609@wgate.com>

On Tue, 24 Sep 2002, Michael Sinz wrote:

> > Several raytracers can (could?) split the workload into multiple 
> > processes, some being started on other computers over rsh or similar.
> 
> And they exist - but the I/O overhead makes it "not a win" on a
> single machine.  (It hurts too much)

For raytracers (which was the example) you need almost no coordination at
all. Just partition the scene and you are done. This is going offtopic
fast. The point I was making is that there is really no great reward in
grouping threads. Either you need to educate your users and trust them to
behave, or you need per user scheduling.

Peter
--
Peter Svensson      ! Pgp key available by finger, fingerprint:
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------------------------------------------------------------------------
Remember, Luke, your source will be with you... always...




  reply	other threads:[~2002-09-24 14:46 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-22 18:55 [ANNOUNCE] Native POSIX Thread Library 0.1 Peter Waechtler
2002-09-22 21:32 ` Larry McVoy
2002-09-23 10:05   ` Bill Davidsen
2002-09-23 11:55     ` Peter Waechtler
2002-09-23 19:14       ` Bill Davidsen
2002-09-29 23:26         ` Buddy Lumpkin
2002-09-30 14:54           ` Corey Minyard
2002-09-23 15:30     ` Larry McVoy
2002-09-23 19:44       ` Olivier Galibert
2002-09-23 19:48       ` Bill Davidsen
2002-09-23 20:32         ` Ingo Molnar
2002-09-24  0:03           ` Andy Isaacson
2002-09-24  0:10             ` Jeff Garzik
2002-09-24  0:14               ` Andy Isaacson
2002-09-24  5:53             ` Ingo Molnar
2002-09-24 20:34             ` David Schwartz
2002-09-24  7:12           ` Thunder from the hill
2002-09-24  7:30             ` Ingo Molnar
2002-09-23 22:35         ` Mark Mielke
2002-09-23 19:59       ` Peter Waechtler
2002-09-23 20:36         ` Ingo Molnar
2002-09-23 21:08           ` Peter Wächtler
2002-09-23 22:44             ` Mark Mielke
2002-09-23 23:01               ` Bill Huey
2002-09-23 23:11                 ` Mark Mielke
2002-09-24  0:21                   ` Bill Huey
2002-09-24  3:20                     ` Mark Mielke
2002-09-23 23:57           ` Andy Isaacson
2002-09-24  6:32             ` 1:1 threading vs. scheduler activations (was: Re: [ANNOUNCE] Native POSIX Thread Library 0.1) Ingo Molnar
2002-09-25  3:08               ` Bill Huey
2002-09-24 18:10             ` [ANNOUNCE] Native POSIX Thread Library 0.1 Christoph Hellwig
2002-09-23 21:32       ` Bill Huey
2002-09-23 21:41       ` dean gaudet
2002-09-23 22:10         ` Bill Huey
2002-09-23 22:56         ` Mark Mielke
2002-09-24 10:02       ` Nikita Danilov
2002-09-23 21:22     ` Bill Huey
2002-09-23 21:03 ` Bill Huey
2002-09-24 12:03   ` Michael Sinz
2002-09-24 13:40     ` Peter Svensson
2002-09-24 14:20       ` Michael Sinz
2002-09-24 14:50         ` Peter Svensson [this message]
2002-09-24 15:19           ` Offtopic: (was Re: [ANNOUNCE] Native POSIX Thread Library 0.1) Mark Veltzer
2002-09-24 17:29             ` Rik van Riel
2002-09-25 18:57               ` Mark Mielke
2002-09-25 19:04                 ` Rik van Riel
2002-09-25 19:29                   ` Mark Veltzer
2002-09-25 19:23                     ` Rik van Riel
2002-09-24 16:31           ` Rik van Riel
2002-09-24 18:49             ` Michael Sinz
2002-09-24 19:12               ` PATCH: per user fair scheduler 2.4.19 (cleaned up, thanks hch) (was: Re: Offtopic: (was Re: [ANNOUNCE] Native POSIX Thread Library 0.1)) Rik van Riel
2002-09-24 20:19 ` [ANNOUNCE] Native POSIX Thread Library 0.1 David Schwartz
2002-09-24 21:10   ` Chris Friesen
2002-09-24 21:22     ` Rik van Riel
2002-09-24 21:35       ` Roberto Peon
2002-09-24 21:35       ` Chris Friesen
2002-09-25 19:02     ` David Schwartz
2002-09-24 23:16   ` Peter Waechtler
2002-09-24 23:23     ` Rik van Riel
2002-09-25 19:05     ` David Schwartz

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