On Wed, 7 Feb 2007, Stefan Eilemann wrote:


On 7. Feb, 2007, at 17:16 , Robert Osfield wrote:

Hi Stefan,

Is you machine dual core or single core?

Dual core, though I don't think OpenThreads detects this:

int OpenThreads::GetNumberOfProcessors()
{
#if defined(__linux__)
  return sysconf(_SC_NPROCESSORS_CONF);
#else
  return 1;
#endif
}

I am not an Apple developer, but this might be useful to detect the
number of processors on a Mac:

http://developer.apple.com/documentation/Carbon/Reference/Multiprocessing_Services/index.html#//apple_ref/doc/uid/TP30000145

Also, this may be useful for Win32 systems:

http://msdn2.microsoft.com/en-us/library/system.environment.processorcount.aspx


--
    ____   __     Eric Sokolowsky  (GST)    NASA Goddard Space Flight Center
   / __/__/_/__  Visualization Programmer    Scientific Visualization Studio
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