... but the number of forums is a bit daunting... I am looking at using
SetThreadAffinityMask to hold a thread to a single core to ensure the results of
following QueryPerformanceCounter calls don't have issues (as described in ...
Can sb explain me how to use Quearyperformance counters??? you should
consider multiprocessor systems while using this API. So you should set the
affinity(SetThreadAffinityMask) before calling QueryPerformanceCounter() ...
i really have a hard time understanding the SetThreadAffinityMask function. Im
trying to implement a timer with the QueryPerformanceCounter function but I dont
understand how to get the thread affinity right. A guy on msdn ...
Set that single thread to remain on a single processor by using the Windows API
SetThreadAffinityMask ... While QueryPerformanceCounter and
QueryPerformanceFrequency typically adjust for multiple processors, bugs in ...
You need to get frequency and divide your 2 counters difference by it.
LARGE_INTEGER fr,t1,t2; QueryPerformanceCounter(&t1); // some lengthy code .
.. QueryPerformanceCounter(&t2); QueryPerformanceFrequency(&fr); ...
QueryPerformanceCounter(). is still your most precise measurement though.
Microsoft has this to say about it. ... To specify processor affinity for a thread, use
the SetThreadAffinityMask function. So if you are doing the timing ...
Getting time from same core in QueryPerformanceCounter with set affinity mask ·
c++ windows mingw performancecounter setthreadaffinitymask. I am using
QueryPerformance counter in microsecond. I write StartCounter() ...
May 31, 2018 ... ... reliable solution to obtain high-resolution CPU timings by using the Windows
APIs QueryPerformanceCounter and ... Set that single thread to remain on a
single processor by using the Windows API SetThreadAffinityMask.