All of lore.kernel.org
 help / color / mirror / Atom feed
From: Robert Love <rml@tech9.net>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Cort Dougan <cort@fsmlabs.com>,
	Ville Herva <vherva@niksula.hut.fi>,
	linux-kernel@vger.kernel.org
Subject: Re: [STATUS 2.5]  July 10, 2002
Date: 10 Jul 2002 13:46:26 -0700	[thread overview]
Message-ID: <1026333986.1178.98.camel@sinai> (raw)
In-Reply-To: <E17SOg4-0007oM-00@the-village.bc.nu>

On Wed, 2002-07-10 at 14:07, Alan Cox wrote:

> > Why was the rate incremented to maintain interactive performance?  Wasn't
> > that the whole idea of the pre-empt work?  Does the burden of pre-empt
> > actually require this?
> 
> Bizarrely in many cases it increases throughput

I can attest to this.  We see the same thing with the preemptible kernel
(throughput increases on certain workloads).

My guess would be the better process response applies the same to
throughput: sooner to wake up, sooner to run, sooner to be done.

	Robert Love


  reply	other threads:[~2002-07-10 20:44 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-07-10  5:11 [STATUS 2.5] July 10, 2002 Guillaume Boissiere
2002-07-10 15:49 ` Rik van Riel
2002-07-10 16:19 ` Adrian Bunk
2002-07-10 16:31   ` Thunder from the hill
2002-07-10 16:51     ` Roman Zippel
2002-07-10 17:00       ` Thunder from the hill
2002-07-10 16:54     ` Karim Yaghmour
2002-07-10 17:25       ` John Levon
2002-07-10 19:19         ` Karim Yaghmour
2002-07-10 17:17     ` Alan Cox
2002-07-10 20:21     ` Daniel Phillips
2002-07-10 17:12 ` Patrick Mochel
2002-07-10 17:42 ` Arnaldo Carvalho de Melo
2002-07-10 17:54 ` Robert Love
2002-07-10 19:18   ` Ville Herva
2002-07-10 20:03     ` Robert Love
2002-07-10 20:20       ` Cort Dougan
2002-07-10 20:25         ` Robert Love
2002-07-10 20:41           ` Ville Herva
2002-07-10 21:07         ` Alan Cox
2002-07-10 20:46           ` Robert Love [this message]
2002-07-11  9:46           ` Rogier Wolff
2002-07-10 20:26     ` Justin M. Forbes
2002-07-10 17:46 Perches, Joe
2002-07-10 18:05 ` Thunder from the hill
2002-07-10 18:38 ` Alan Cox
2002-07-10 18:49   ` Kurt Garloff
2002-07-10 19:19     ` Larry Kessler
2002-07-10 21:15       ` Alan Cox
2002-07-11 18:07         ` Anton Blanchard
2002-07-10 21:27     ` Alan Cox
2002-07-10 18:08 Russ Weight
2002-07-11 19:21 Richard J Moore
2002-07-11 20:34 Richard J Moore
2002-07-13  9:28 ` Ingo Oeser

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1026333986.1178.98.camel@sinai \
    --to=rml@tech9.net \
    --cc=alan@lxorguk.ukuu.org.uk \
    --cc=cort@fsmlabs.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=vherva@niksula.hut.fi \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.