Sets the number of threads in the multithreading environment.
Case 1: Setting number of threads for operations on objects of 32-bit size
IppStatus ippSetNumThreads(int numThr);
Case 2: Setting number of threads for operations with TL functions based on the Platform Aware API
IppStatus ippSetNumThreads_LT(int numThr);
Case 3: Setting number of threads for operations with TL functions based on the Classic API
IppStatus ippSetNumThreads_T(int numThr);
ippcore.h
numThr |
Number of threads, should be more than zero. |
This function sets the number of OpenMP* threads. A number of established threads may be less than specified numThr. Functions are not thread-safe and shall be called outside of the parallel region of the program.
ippStsNoErr |
Indicates no error. |
ippStsSizeErr |
Indicates an error when numThr is less than, or equal to zero. |
ippStsNoOperation |
Indicates that the function is called from the application linked to the single-threaded version of the library. No operation is performed. |
ippStsOperationNotSupported |
Indicates that function trying to set the number of TBB threads. |