Developer Reference for Intel® oneAPI Math Kernel Library - C

Developer Reference

  • 2021.1
  • 12/04/2020
  • Public Content
Contents

mkl_set_env_mode

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

Syntax

int mkl_set_env_mode
(
int
mode
)
;
Include Files
  • mkl.h
Input Parameters
Name
Type
Description
mode
int
Specifies what mode to set. For details, see Description. Possible values:
  • 0 - Do nothing.
    Use this value to query the current environment mode.
  • 1 - Make
    Intel® oneAPI Math Kernel Library
     ignore environment settings specific to the library.
Description
In the default environment mode,
Intel® oneAPI Math Kernel Library
 can control its behavior using environment variables for threading, memory management, Conditional Numerical Reproducibility, automatic offload, and so on. The
mkl_set_env_mode
 function sets up the environment mode that ignores all settings specified by
Intel® oneAPI Math Kernel Library
 environment variables except
MIC_LD_LIBRARY_PATH
 and
MKLROOT
.
Return Values
Name
Type
Description
current_mode
int
Environment mode that was used before the function call:
  • 0 - Default
  • 1 - Ignore environment settings specific to
    Intel® oneAPI Math Kernel Library
    .

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.