| 1 | !WRF:DRIVER_LAYER:UTIL |
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| 2 | ! |
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| 3 | |
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| 4 | MODULE module_timing |
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| 5 | |
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| 6 | INTEGER, PARAMETER, PRIVATE :: cnmax = 30 |
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| 7 | INTEGER, PRIVATE, DIMENSION(cnmax) :: count_int1 , count_rate_int1 , count_max_int1 |
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| 8 | INTEGER, PRIVATE, DIMENSION(cnmax) :: count_int2 , count_rate_int2 , count_max_int2 |
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| 9 | INTEGER, PRIVATE :: cn = 0 |
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| 10 | REAL, PRIVATE :: elapsed_seconds , elapsed_seconds_total = 0 |
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| 11 | REAL, PRIVATE :: cpu_1 , cpu_2 , cpu_seconds , cpu_seconds_total = 0 |
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| 12 | |
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| 13 | CONTAINS |
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| 14 | |
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| 15 | SUBROUTINE init_module_timing |
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| 16 | cn = 0 |
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| 17 | END SUBROUTINE init_module_timing |
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| 18 | |
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| 19 | |
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| 20 | SUBROUTINE start_timing |
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| 21 | |
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| 22 | IMPLICIT NONE |
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| 23 | |
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| 24 | cn = cn + 1 |
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| 25 | IF ( cn .gt. cnmax ) THEN |
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| 26 | CALL wrf_error_fatal( 'module_timing: clock nesting error (too many nests)' ) |
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| 27 | RETURN |
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| 28 | ENDIF |
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| 29 | CALL SYSTEM_CLOCK ( count_int1(cn) , count_rate_int1(cn) , count_max_int1(cn) ) |
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| 30 | ! CALL CPU_TIME ( cpu_1 ) |
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| 31 | |
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| 32 | END SUBROUTINE start_timing |
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| 33 | |
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| 34 | |
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| 35 | SUBROUTINE end_timing ( string ) |
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| 36 | |
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| 37 | IMPLICIT NONE |
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| 38 | |
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| 39 | CHARACTER *(*) :: string |
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| 40 | |
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| 41 | IF ( cn .lt. 1 ) THEN |
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| 42 | CALL wrf_error_fatal( 'module_timing: clock nesting error, cn<1' ) |
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| 43 | ELSE IF ( cn .gt. cnmax ) THEN |
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| 44 | CALL wrf_error_fatal( 'module_timing: clock nesting error, cn>cnmax' ) |
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| 45 | ENDIF |
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| 46 | |
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| 47 | CALL SYSTEM_CLOCK ( count_int2(cn) , count_rate_int2(cn) , count_max_int2(cn) ) |
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| 48 | ! CALL CPU_TIME ( cpu_2 ) |
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| 49 | |
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| 50 | IF ( count_int2(cn) < count_int1(cn) ) THEN |
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| 51 | count_int2(cn) = count_int2(cn) + count_max_int2(cn) |
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| 52 | ENDIF |
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| 53 | |
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| 54 | count_int2(cn) = count_int2(cn) - count_int1(cn) |
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| 55 | elapsed_seconds = REAL(count_int2(cn)) / REAL(count_rate_int2(cn)) |
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| 56 | elapsed_seconds_total = elapsed_seconds_total + elapsed_seconds |
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| 57 | |
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| 58 | WRITE(6,'(A,A,A,F10.5,A)') 'Timing for ',TRIM(string),': ',elapsed_seconds,' elapsed seconds.' |
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| 59 | #if defined(DM_PARALLEL) && ! defined(STUBMPI) |
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| 60 | WRITE(0,'(A,A,A,F10.5,A)') 'Timing for ',TRIM(string),': ',elapsed_seconds,' elapsed seconds.' |
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| 61 | #endif |
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| 62 | |
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| 63 | ! cpu_seconds = cpu_2 - cpu_1 |
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| 64 | ! cpu_seconds_total = cpu_seconds_total + cpu_seconds |
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| 65 | ! PRINT '(A,A,A,F10.5,A)' ,'Timing for ',TRIM(string),': ',cpu_seconds,' cpu seconds.' |
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| 66 | |
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| 67 | cn = cn - 1 |
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| 68 | |
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| 69 | END SUBROUTINE end_timing |
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| 70 | |
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| 71 | END MODULE module_timing |
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| 72 | |
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