Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2007
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2007

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: activate more than one core in Mathematica 6.0 (for win)?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg79797] Re: activate more than one core in Mathematica 6.0 (for win)?
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Sat, 4 Aug 2007 06:03:09 -0400 (EDT)
  • Organization: The Open University, Milton Keynes, UK
  • References: <f8v18h$db8$1@smc.vnet.net>

kristoph wrote:
> Hi,
> 
> How can Mathematica 6.0 use more than one core of a quad core cpu
> under Windows Vista? During calculations the system requires only 25 %
> of its capacity. This implies that it uses only one of the four cores.
> 
> Thanks for answer,
> Kristoph

You could try to increase the value of the system variable 
OMP_NUM_THREADS to 4.

See the following thread for detail, "Performance--Dual Core"
http://groups.google.com/group/comp.soft-sys.math.mathematica/browse_thread/thread/17751112a337a3c2/a78b9f2c7c64094e?lnk=gst&q=OMP_NUM_THREADS&rnum=2#a78b9f2c7c64094e

Regards,
Jean-Marc


  • Prev by Date: Want Combinatorica graph to web page w alt text and links under each vertex
  • Next by Date: Re: If a*b=c/d, then a=c/bd, How do i do this in Mathematica?
  • Previous by thread: Re: activate more than one core in Mathematica 6.0 (for win)?
  • Next by thread: Re: activate more than one core in Mathematica 6.0 (for win)?