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c++ Programming Glossary: numcpuProgrammatically find the number of cores on a machine http://stackoverflow.com/questions/150355/programmatically-find-the-number-of-cores-on-a-machine Win32 SYSTEM_INFO sysinfo GetSystemInfo sysinfo numCPU sysinfo.dwNumberOfProcessors Linux Solaris AIX and Mac OS X.. X for all OS releases 10.4 i.e. Tiger onwards per comments numCPU sysconf _SC_NPROCESSORS_ONLN FreeBSD MacOS X NetBSD OpenBSD.. MacOS X NetBSD OpenBSD etc. int mib 4 size_t len sizeof numCPU set the mib for hw.ncpu mib 0 CTL_HW mib 1 HW_AVAILCPU alternatively..
ReleaseSemaphore does not release the semaphore http://stackoverflow.com/questions/2375132/releasesemaphore-does-not-release-the-semaphore x int main SYSTEM_INFO sysinfo GetSystemInfo sysinfo int numCPU sysinfo.dwNumberOfProcessors semaphore CreateSemaphore NULL.. semaphore CreateSemaphore NULL numCPU numCPU NULL ids new HANDLE numCPU for int j 0 j numCPU j ids.. semaphore CreateSemaphore NULL numCPU numCPU NULL ids new HANDLE numCPU for int j 0 j numCPU j ids j CreateThread..
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