Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2005
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*December
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2005

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

Search the Archive

Re: Does Mathematica 5 use multiple processors on SPARC?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg55165] Re: [mg55137] Does Mathematica 5 use multiple processors on SPARC?
  • From: Igor Antonio <igora at wolf-ram.com>
  • Date: Tue, 15 Mar 2005 00:21:49 -0500 (EST)
  • Organization: Wolfram Research, Inc.
  • References: <200503140843.DAA27103@smc.vnet.net>
  • Reply-to: igora at wolf-ram.com
  • Sender: owner-wri-mathgroup at wolfram.com

Dave wrote:
> I assume this technical FAQ
> 
> http://support.wolfram.com/mathematica/systems/allplatforms/multipleprocessors.html
> 
> is out of date since it says "The current version of Mathematica does 
> not take direct advantage of multiple processors on any platform"
> 
> whereas
> 
> http://www.wolfram.com/products/mathematica/newin5/performance/
> 
> says "Mathematica 5 also takes advantage of multiple processors for a 
> range of numerical operations on those operating systems such as Linux, 
> Windows, and HP-UX that support this multithreaded capability."
> 
> Now my question is does Mathematica 5 support multiple processors on 
> Solaris? Since the kernel code is very similar across platforms, I 
> assume it does, although it is odd to mention HP-UX and not Solaris, 
> when the latter is probably used much more.
> 
> 

Dave,

Solaris, AIX, SGI, and Linux x86-64 don't use threaded libraries, so 
numerical operations (the ones that use BLAS libraries for example) will 
not take advantage of multiple processors.


Igor Antonio
Wolfram Research, Inc.
http://www.wolfram.com

To email me personally, remove the dash.


  • Prev by Date: Wolfram plugin for Google Desktop Search
  • Next by Date: Re: Re: Plotting a super ellipse
  • Previous by thread: Re: Does Mathematica 5 use multiple processors on SPARC?
  • Next by thread: Re: Does Mathematica 5 use multiple processors on SPARC?