Support Functions

Version Information

Returns the Intel® oneAPI Math Kernel Library version.

Returns the Intel® oneAPI Math Kernel Library version in a character string.

Threading Control

Specifies the number of OpenMP* threads to use.

Specifies the number of OpenMP* threads for a particular function domain.

Specifies the number of OpenMP* threads for all Intel® oneAPI Math Kernel Library functions on the current execution thread.

Enables Intel® oneAPI Math Kernel Library to dynamically change the number of OpenMP* threads.

Gets the number of OpenMP* threads targeted for parallelism.

Gets the number of OpenMP* threads targeted for parallelism for a particular function domain.

Determines whether Intel® oneAPI Math Kernel Library is enabled to dynamically change the number of OpenMP* threads.

Specifies the number of partitions along the leading dimension of the output matrix for parallel ?gemm functions.

Gets the number of partitions along the leading dimension of the output matrix for parallel ?gemm functions.

Error Handling

Error handling function called by BLAS, LAPACK, Vector Math, and Vector Statistics functions.

Handles error conditions for the ScaLAPACK routines.

Error handling function called by the C interface to LAPACK functions.

Sets the custom handler of fatal errors.

Character Equality Testing

Tests two characters for equality regardless of the case.

Tests two character strings for equality regardless of the case.

Timing

Returns elapsed time in seconds. Use to estimate real time between two calls to this function.

Returns elapsed CPU clocks.

Returns CPU frequency value in GHz.

Returns the maximum CPU frequency value in GHz.

Returns the frequency value in GHz based on constant-rate Time Stamp Counter.

Memory Management

Frees unused memory allocated by the Intel® oneAPI Math Kernel Library Memory Allocator.

Frees unused memory allocated by the Intel® oneAPI Math Kernel Library Memory Allocator in the current thread.

Reports the status of the Intel® oneAPI Math Kernel Library Memory Allocator.

Reports the peak memory allocated by the Intel® oneAPI Math Kernel Library Memory Allocator.

Turns off the Intel® oneAPI Math Kernel Library Memory Allocator for Intel® oneAPI Math Kernel Library functions to directly use the systemmalloc/free functions.

Allocates an aligned memory buffer.

Allocates and initializes an aligned memory buffer.

Changes the size of memory buffer allocated by mkl_malloc/mkl_calloc.

Frees the aligned memory buffer allocated by mkl_malloc/mkl_calloc.

On Linux, sets the limit of memory that Intel® oneAPI Math Kernel Library can allocate for a specified type of memory.

Single Dynamic Library (SDL) Control

Sets the interface layer for Intel® oneAPI Math Kernel Library at run time.

Sets the threading layer for Intel® oneAPI Math Kernel Library at run time.

Replaces the progress information routine.

Replaces the routine handling Intel® oneAPI Math Kernel Library PARDISO pivots with a user-defined routine. Use with the Single Dynamic Library (SDL).

Conditional Numerical Reproducibility (CNR) Control

Configures the CNR mode of Intel® oneAPI Math Kernel Library.

Returns the current CNR settings.

Automatically detects the CNR code branch for your platform.

Miscellaneous

Provides progress information.

Enables dispatching for new Intel® architectures or restricts the set of Intel® instruction sets available for dispatching.

Set up the mode that ignores environment settings specific to Intel® oneAPI Math Kernel Library.

Enable or disable Intel® oneAPI Math Kernel Library Verbose mode.

Write output in Intel® oneAPI Math Kernel Library Verbose mode to a file.

Sets the implementation of the message-passing interface to be used by Intel® oneAPI Math Kernel Library.

Terminates Intel® oneAPI Math Kernel Library execution environment and frees resources allocated by the library.