| 1 | SUBROUTINE USER_CLOCK(PELAPSED_TIME,PELAPSED_TIME_SINCE,PVECTOR_CP,PTOTAL_CP) |
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| 2 | |
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| 3 | !**** *USER_CLOCK* - interface to system dependent timer routines |
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| 4 | |
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| 5 | ! Purpose. |
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| 6 | ! -------- |
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| 7 | ! Returns elapsed and CP from the start of execution. |
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| 8 | ! Elapsed time is made relative to the first call to USER_CLOCK. |
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| 9 | |
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| 10 | !** Interface. |
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| 11 | ! ---------- |
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| 12 | ! ZTIME=USER_CLOCK(PELAPSED_TIME,PELAPSED_TIME_SINCE, |
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| 13 | ! PVECTOR_CP,PTOTAL_CP) |
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| 14 | |
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| 15 | ! Explicit arguments: (All are optional arguments) |
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| 16 | ! PELAPSED_TIME=wall clock time (seconds) |
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| 17 | ! PELAPSED_TIME_SINCE=wall clock time (seconds) |
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| 18 | ! change from input value of this parameter |
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| 19 | ! PVECTOR_CP=CP vector time (seconds) |
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| 20 | ! PTOTAL_CP=total CP time (seconds) |
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| 21 | |
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| 22 | ! Author. |
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| 23 | ! ------- |
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| 24 | ! D.Dent *ECMWF* |
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| 25 | |
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| 26 | ! External References: |
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| 27 | ! ------------------- |
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| 28 | |
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| 29 | ! TIMEF,CPTIME |
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| 30 | |
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| 31 | ! Modifications. |
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| 32 | ! -------------- |
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| 33 | ! Original : 97-09-25 |
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| 34 | ! ---------------------------------------------------------- |
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| 35 | |
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| 36 | |
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| 37 | USE PARKIND1 ,ONLY : JPIM ,JPRB |
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| 38 | |
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| 39 | IMPLICIT NONE |
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| 40 | |
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| 41 | REAL(KIND=JPRB),INTENT(OUT) :: PELAPSED_TIME,PVECTOR_CP,PTOTAL_CP |
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| 42 | REAL(KIND=JPRB),INTENT(INOUT) :: PELAPSED_TIME_SINCE |
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| 43 | OPTIONAL PELAPSED_TIME,PELAPSED_TIME_SINCE |
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| 44 | OPTIONAL PVECTOR_CP,PTOTAL_CP |
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| 45 | REAL(KIND=JPRB) :: ZVECTOR_CP,ZTOTAL_CP,ZWALL |
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| 46 | REAL(KIND=JPRB),EXTERNAL :: TIMEF |
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| 47 | |
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| 48 | |
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| 49 | ! === END OF INTERFACE BLOCK === |
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| 50 | IF(PRESENT(PELAPSED_TIME).OR. PRESENT(PELAPSED_TIME_SINCE)) THEN |
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| 51 | |
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| 52 | ZWALL=TIMEF() |
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| 53 | ! TIMEF returns milliseconds since first call to TIMEF |
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| 54 | IF(PRESENT(PELAPSED_TIME)) THEN |
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| 55 | PELAPSED_TIME=ZWALL*1.0E-3_JPRB |
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| 56 | ENDIF |
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| 57 | IF(PRESENT(PELAPSED_TIME_SINCE)) THEN |
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| 58 | PELAPSED_TIME_SINCE=ZWALL*1.0E-3_JPRB - PELAPSED_TIME_SINCE |
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| 59 | ENDIF |
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| 60 | ENDIF |
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| 61 | |
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| 62 | IF( PRESENT(PVECTOR_CP) .OR. PRESENT(PTOTAL_CP) ) THEN |
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| 63 | CALL CPTIME(ZVECTOR_CP,ZTOTAL_CP) |
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| 64 | ENDIF |
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| 65 | IF( PRESENT(PVECTOR_CP) ) THEN |
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| 66 | PVECTOR_CP=ZVECTOR_CP |
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| 67 | ENDIF |
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| 68 | IF( PRESENT(PTOTAL_CP) ) THEN |
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| 69 | PTOTAL_CP=ZTOTAL_CP |
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| 70 | ENDIF |
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| 71 | |
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| 72 | RETURN |
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| 73 | END SUBROUTINE USER_CLOCK |
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| 74 | |
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| 75 | |
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| 76 | |
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