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: Re: Multi-core Support in Mathematica 5.2

  • To: mathgroup at smc.vnet.net
  • Subject: [mg74101] RE: [mg74083] Re: Multi-core Support in Mathematica 5.2
  • From: "Virgilio, Vincent - SSD" <Vincent.Virgilio at itt.com>
  • Date: Sat, 10 Mar 2007 06:50:06 -0500 (EST)

I think Mathematica uses multiple cores through the OpenMP API. So isn't
it necessary to set the environment variable OMP_NUM_THREADS
appropriately?

Vince Virgilio

-----Original Message-----
From: David Bailey [mailto:dave at Remove_Thisdbailey.co.uk]
Sent: Friday, March 09, 2007 2:01 AM
To: mathgroup at smc.vnet.net
Subject: [mg74101] [mg74083] Re: Multi-core Support in Mathematica 5.2

dwadding at atl.lmco.com wrote:
> Hi,
>
> Wolfram advertises version 5.2 as being multi-core capable.  When I
> use the standard vectorized operations I can only get things to run on

> one core.  Can some one tell me exactly which Mathematica functions
> can actually exploit multi-core?
>
> Thanks,
> Daniel
>
>
Hello,

Here is a link with some details:

http://www.wolfram.com/products/mathematica/newin52/multicore.html

I suspect it is hard to parallelise ordinary code - even functional code
- because I can't imagine the kernel can run on more than one thread!

David Bailey
http://www.dbaileyconsultancy.co.uk

************************************
This e-mail and any files transmitted with it are proprietary and intende=
d solely
for the use of the individual or entity to whom they are addressed. If yo=
u have
received this e-mail in error please notify the sender. Please note that =
any views
or opinions presented in this e-mail are solely those of the author and d=
o not
necessarily represent those of ITT, Inc. The recipient should check
this e-mail and any attachments for the presence of viruses. ITT accepts
no liability for any damage caused by any virus transmitted by this e-mai=
l.
************************************
=0D


  • Prev by Date: Re: Problem with Which
  • Next by Date: Re: "Transparency" with respect to differentiation
  • Previous by thread: Re: Multi-core Support in Mathematica 5.2
  • Next by thread: Re: Multi-core Support in Mathematica 5.2