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Affinity mask : ウィキペディア英語版
Affinity mask

An affinity mask is a bit mask indicating what processor(s) a thread or process should be run on by the scheduler of an operating system. Setting the affinity mask for certain processes running under Windows can be useful as there are several system processes (especially on domain controllers) that are restricted to the first CPU / Core. So, excluding the first CPU might lead to better application performance.
== Windows API ==
Thread affinity in Microsoft Windows can be specified with the ''SetThreadAffinityMask'' function. Forcing of each OpenMP thread to distinctive cores in Windows can be accomplished by means of the following C code:

#include
#include
// Set OpenMP thread affinity
void set_thread_affinity ()


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Affinity mask」の詳細全文を読む



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