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