Real*8 wallClockTime
CALL TIMER_GET_TIME( userTime, systemTime, wallClockTime )
timerT0Wall(iTimer,myThreadId) = wallClockTime
& wallClockTime -
O wallClockTime )
wallClockTime = 0.
wallClockTime = timenow()
wallClockTime = SECONDR()
wallClockTime = wtime
wallClockTime = MPI_Wtime()