Intel® Fortran Compiler XE 13.1 User and Reference Guides
Portability Subroutine: Returns the processor clock in units of microseconds.
USE IFPORT
CALL CLOCKX (clock)
clock |
(Input) REAL(8). The current time. |
On Windows systems, this subroutine has millisecond precision, and the last three digits of the returned value are not significant.