On Dec 16, 2005, at 8:24 PM, Ivan S. Kourtev wrote:

> Is there an API that would allow me to discover the availability of
> more then one physical processor cores?  If so, is it somewhat
> standard -- would it work on say, Linux?  I am parallelizing an
> application and would like to have two- and four-processor versions of
> some computationally intense code.

> Anyone know of such an API, particularly one that is someone
> platform-independent?

There are a number of APIs that'll return the number of processors.  
The most basic BSD-level one is the hw.ncpu sysctl, which you can
access either by name or by number (CTL_HW/HW_NCPU).

I'm not aware of any cross-platform API to get this information, but if
anyone else knows of one I'd be interested in hearing about it.

-Eric

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