Developer Reference

  • 2020
  • 07/15/2020
  • Public Content
Contents

SetNumThreads

Sets the number of threads in the multithreading environment.

Syntax

IppStatus ippSetNumThreads(int
numThr
);
Include Files
ippcore.h
Parameters
numThr
Number of threads, should be more than zero.
Description
This function sets the number of OpenMP* threads. A number of established threads may be less than specified
numThr
.
Return Values
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.

Product and Performance Information

1

Intel's compilers may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. These optimizations include SSE2, SSE3, and SSSE3 instruction sets and other optimizations. Intel does not guarantee the availability, functionality, or effectiveness of any optimization on microprocessors not manufactured by Intel. Microprocessor-dependent optimizations in this product are intended for use with Intel microprocessors. Certain optimizations not specific to Intel microarchitecture are reserved for Intel microprocessors. Please refer to the applicable product User and Reference Guides for more information regarding the specific instruction sets covered by this notice.

Notice revision #20110804