source: lmdz_wrf/trunk/WRFV3/frame/module_timing.F @ 1379

Last change on this file since 1379 was 1, checked in by lfita, 11 years ago
  • -- --- Opening of the WRF+LMDZ coupling repository --- -- -

WRF: version v3.3
LMDZ: version v1818

More details in:

File size: 2.1 KB
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1!WRF:DRIVER_LAYER:UTIL
2!
3
4MODULE module_timing
5
6   INTEGER, PARAMETER, PRIVATE :: cnmax = 30
7   INTEGER, PRIVATE, DIMENSION(cnmax) :: count_int1 , count_rate_int1 , count_max_int1
8   INTEGER, PRIVATE, DIMENSION(cnmax) :: count_int2 , count_rate_int2 , count_max_int2
9   INTEGER, PRIVATE :: cn = 0
10   REAL, PRIVATE    :: elapsed_seconds , elapsed_seconds_total = 0
11   REAL, PRIVATE    :: cpu_1 , cpu_2 , cpu_seconds , cpu_seconds_total = 0
12
13CONTAINS
14
15   SUBROUTINE init_module_timing
16      cn = 0
17   END SUBROUTINE init_module_timing
18
19
20   SUBROUTINE start_timing
21
22      IMPLICIT NONE
23
24      cn = cn + 1
25      IF ( cn .gt. cnmax ) THEN
26        CALL wrf_error_fatal( 'module_timing: clock nesting error (too many nests)' )
27        RETURN
28      ENDIF
29      CALL SYSTEM_CLOCK ( count_int1(cn) , count_rate_int1(cn) , count_max_int1(cn) )
30!     CALL CPU_TIME ( cpu_1 )
31
32   END SUBROUTINE start_timing
33
34
35   SUBROUTINE end_timing ( string )
36   
37      IMPLICIT NONE
38
39      CHARACTER *(*) :: string
40
41      IF ( cn .lt. 1 ) THEN
42        CALL wrf_error_fatal( 'module_timing: clock nesting error, cn<1' )
43      ELSE IF ( cn .gt. cnmax ) THEN
44        CALL wrf_error_fatal( 'module_timing: clock nesting error, cn>cnmax' )
45      ENDIF
46
47      CALL SYSTEM_CLOCK ( count_int2(cn) , count_rate_int2(cn) , count_max_int2(cn) )
48!     CALL CPU_TIME ( cpu_2 )
49
50      IF ( count_int2(cn) < count_int1(cn) ) THEN
51         count_int2(cn) = count_int2(cn) + count_max_int2(cn)
52      ENDIF
53
54      count_int2(cn) = count_int2(cn) - count_int1(cn)
55      elapsed_seconds = REAL(count_int2(cn)) / REAL(count_rate_int2(cn))
56      elapsed_seconds_total = elapsed_seconds_total + elapsed_seconds
57
58      WRITE(6,'(A,A,A,F10.5,A)') 'Timing for ',TRIM(string),': ',elapsed_seconds,' elapsed seconds.'
59#if defined(DM_PARALLEL) && ! defined(STUBMPI)
60      WRITE(0,'(A,A,A,F10.5,A)') 'Timing for ',TRIM(string),': ',elapsed_seconds,' elapsed seconds.'
61#endif
62
63!     cpu_seconds = cpu_2 - cpu_1
64!     cpu_seconds_total = cpu_seconds_total + cpu_seconds
65!     PRINT '(A,A,A,F10.5,A)' ,'Timing for ',TRIM(string),': ',cpu_seconds,' cpu seconds.'
66
67      cn = cn - 1
68
69   END SUBROUTINE end_timing
70
71END MODULE module_timing
72
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