MATLAB Central > MATLAB Newsreader > two files use one processor only

Thread Subject: two files use one processor only

Subject: two files use one processor only

From: Mike

Date: 3 Dec, 2008 01:52:52

Message: 1 of 2

Reply to this message

Add author to My Watch List

View original format

Flag as spam

Hi

I am just curious about the cpu usage record.
My CPU is Intel Core2 Quad Q6600 2.4 GHz.
I open two matlab and run two M files.
These two files seem to use one processor only.
Why don't they use the other three processors?

Mike

Subject: two files use one processor only

From: Rodney Thomson

Date: 3 Dec, 2008 02:19:01

Message: 2 of 2

Reply to this message

Add author to My Watch List

View original format

Flag as spam

Mike <SulfateIon@gmail.com> wrote in message <8b0aa4fa-7dac-40ae-ba0e-48a28568544e@z27g2000prd.googlegroups.com>...
> Hi
>
> I am just curious about the cpu usage record.
> My CPU is Intel Core2 Quad Q6600 2.4 GHz.
> I open two matlab and run two M files.
> These two files seem to use one processor only.
> Why don't they use the other three processors?
>
> Mike

I too have a Q6600 and opened up 2 instances of MATLAB. In each i ran the same M-file (a file based beamformer).

On starting the first instance running, CPU usage jumped to a consistent 25%. On starting the second instance running, CPU usage jumped to a consistent 50%.

I see no issues here. Windows XP (in my case) is definitely making use of the multiple cores.

It would unlikely be a MATLAB issue, more an OS issue.

Tags for this Thread

Add a New Tag:

Separated by commas
Ex.: root locus, bode

What are tags?

A tag is like a keyword or category label associated with each thread. Tags make it easier for you to find threads of interest.

Anyone can tag a thread. Tags are public and visible to everyone.

Feed for this Thread

MATLAB Central Terms of Use

NOTICE: Any content you submit to MATLAB Central, including personal information, is not subject to the protections which may be afforded information collected under other sections of The MathWorks, Inc. Web site. You are entirely responsible for all content that you upload, post, e-mail, transmit or otherwise make available via MATLAB Central. The MathWorks does not control the content posted by visitors to MATLAB Central and, does not guarantee the accuracy, integrity, or quality of such content. Under no circumstances will The MathWorks be liable in any way for any content not authored by The MathWorks, or any loss or damage of any kind incurred as a result of the use of any content posted, e-mailed, transmitted or otherwise made available via MATLAB Central. Read the complete Terms prior to use.