Error handling routine called by ScaLAPACK routines.
Tests two characters for equality regardless of the case.
Tests two character strings for equality regardless of the case.
Returns elapsed time in seconds. Use to estimate real time between two calls to this function.
Returns elapsed CPU clocks.
Returns the current 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.