Visible to Intel only — GUID: GUID-23CD6A39-A122-4DCB-A757-AB006FD20172
Visible to Intel only — GUID: GUID-23CD6A39-A122-4DCB-A757-AB006FD20172
mkl_get_cpu_clocks
Returns elapsed CPU clocks.
Syntax
call mkl_get_cpu_clocks( clocks )
Fortran Include Files/Modules
- Include file: mkl.fi
- Module (compiled): mkl_service.mod
- Module (source): mkl_service.f90
Output Parameters
Name |
Type |
Description |
---|---|---|
clocks |
INTEGER*8 |
Elapsed CPU clocks |
Description
The mkl_get_cpu_clocks function returns the elapsed CPU clocks.
This may be useful when timing short intervals with high resolution. The mkl_get_cpu_clocks function is also applied in pairs like second/dsecnd. Note that out-of-order code execution on IA-32 or Intel® 64 architecture processors may disturb the exact elapsed CPU clocks value a little bit, which may be important while measuring extremely short time intervals.
Product and Performance Information |
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Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex. Notice revision #20201201 |