Editing countProcessors - FilterMeisterWiki

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= countProcessors =
== Syntax ==
:{{int countProcessors(void)}}
== Arguments ==
:none
== Return ==
:Returns the number of physical and/or logical processors on your system, as reported by the Windows GetSystemInfo API.
== Description ==
:Lets you know the number of processors you have at your disposal to perform useful work. The process count includes each separate physical cpu, or each core within a multicore cpu, or the two logical cpus within a Hyper-Threaded cpu.
== Example ==
<code>
%ffp

OnFilterStart:
{
    int ncpu = countProcessors();

Info ("This system has %d available processor%s.", ncpu, ncpu==1?"":"s");

return false;  //continue processing
}
</code>
== Also see ==
:((System Functions)), ((System Functions|Multithreading Functions#Multithreading-Functions)), ((triggerThread)), ((waitForThread)), ((isThreadActive)), ((getThreadRetVal)), ((terminateThread))
== Comments ==
*It would be nice to have an API that gives additional info about the processors, such as which ones are physical, which are logical, which logical processors reside on the same H-T or multicore processor, etc.
*Everyone can add her comments about her experiences with this function here. Tips for using it are welcome, too.

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