Re: Poor thread performance on multi-CPU machines

Article View: borland.public.cppbuilder.nativeapi

Article #11893

Back to borland.public.cppbuilder.nativeapi Previous Next

#11893

From: Alan Bellingham
Date: Sat, 10 Jan 2004 02:00

16 lines
1676 bytes

Alan Bellingham <alanb@episys.com> wrote:

>A _thread_ can only execute on one CPU (or pseudo-CPU in the case of
>Hyperthreading)
                ^
                  at a time (I should mention)

On a multiprocessor PC, you'll often find threads jumping from processor
to processor, as the task scheduler attempts to balance load. Unless
they've had their properties set to be confined to fewer.

Alan Bellingham
-- 
Me <url:mailto:alanb@episys.com> <url:http://www.doughnut.demon.co.uk/>
ACCU - C, C++ and Java programming               <url:http://accu.org/>
The 2004 Discworld Convention                   <url:http://dwcon.org/>

Technical Details

Message-ID: <21nuvvocnf0eooaevequlp9tds3coikbkl@4ax.com>

Path:

arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail

References: <3fff05ce$1@newsgroups.borland.com> <3fff2f6f$1@newsgroups.borland.com> <pgkuvv0l8c4cdh8anfkjlpq7h86nr6fofd@4ax.com>

Show Full Headers

Complete Article Headers

X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 10cc67,6aabc16a59635b8c
X-Google-Attributes: gid10cc67,public
X-Google-ArrivalTime: 2004-01-09 18:09:56 PST
From: Alan Bellingham <alanb@episys.com>
Newsgroups: borland.public.cppbuilder.nativeapi
Subject: Re: Poor thread performance on multi-CPU machines
Date: Sat, 10 Jan 2004 02:00:41 +0000
Reply-To: alanb@episys.com
Message-ID: <21nuvvocnf0eooaevequlp9tds3coikbkl@4ax.com>
References: <3fff05ce$1@newsgroups.borland.com> <3fff2f6f$1@newsgroups.borland.com> <pgkuvv0l8c4cdh8anfkjlpq7h86nr6fofd@4ax.com>
X-Newsreader: Forte Agent 1.93/32.576 English (American)
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
NNTP-Posting-Host: 62.49.31.105
X-Trace: newsgroups.borland.com 1073700039 62.49.31.105 (9 Jan 2004 18:00:39 -0700)
Lines: 16
Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail

Reply to Parent Message