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linux get Cpu Count?

General and Gameplay Programming Programming

Started by Makaan March 30, 2010 10:49 AM

4 comments, last by Makaan 14 years ago

Makaan

100

Author

March 30, 2010 10:49 AM

How do i get the physical Cpu count in linux? Thanks, Raxvan

Wolfdog

268

March 30, 2010 10:56 AM

You can read /proc/cpuinfo. This will have one entry for each core. If the processor has Hyper Threading you will see two for each core. Although I think the file has values that could be used to determine actual physical processors.

aryx

402

March 30, 2010 11:05 AM

OpenMP also has the omp_get_num_procs function, if OpenMP were an option.

cache_hit

614

March 30, 2010 11:36 AM

boost also has boost::thread::get_hardware_concurrency() or boost::thread::hardware_concurrency() or something like that

gumpy

795

March 30, 2010 12:15 PM

sysconf(_SC_NPROCESSORS_ONLN)

This space for rent.

Makaan

100

Author

March 30, 2010 04:09 PM

gumpy Thanks , i just found the same solution on another forum.

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