source: LMDZ5/trunk/libf/dyn3dmem/times.F90 @ 1972

Last change on this file since 1972 was 1907, checked in by lguez, 11 years ago

Added a copyright property to every file of the distribution, except
for the fcm files (which have their own copyright). Use svn propget on
a file to see the copyright. For instance:

$ svn propget copyright libf/phylmd/physiq.F90
Name of program: LMDZ
Creation date: 1984
Version: LMDZ5
License: CeCILL version 2
Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
See the license file in the root directory

Also added the files defining the CeCILL version 2 license, in French
and English, at the top of the LMDZ tree.
  • Property copyright set to
    Name of program: LMDZ
    Creation date: 1984
    Version: LMDZ5
    License: CeCILL version 2
    Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
    See the license file in the root directory
File size: 7.1 KB
Line 
1module times
2  integer,private,save :: Last_Count=0
3  real, private,save :: Last_cpuCount=0
4  logical, private,save :: AllTimer_IsActive=.false.
5 
6  integer, parameter :: nb_timer = 4
7  integer, parameter :: timer_caldyn  = 1
8  integer, parameter :: timer_vanleer = 2
9  integer, parameter :: timer_dissip = 3
10  integer, parameter :: timer_physic = 4
11  integer, parameter :: stopped = 1
12  integer, parameter :: running = 2
13  integer, parameter :: suspended = 3
14 
15  integer :: max_size
16  real,    allocatable, dimension(:,:,:) :: timer_table
17  real,    allocatable, dimension(:,:,:) :: timer_table_sqr
18  integer, allocatable, dimension(:,:,:) :: timer_iteration
19  real,    allocatable, dimension(:,:,:) :: timer_average
20  real,    allocatable, dimension(:,:,:) :: timer_delta
21  real,    allocatable,dimension(:) :: timer_running, last_time
22  integer, allocatable,dimension(:) :: timer_state
23 
24  contains
25 
26  subroutine init_timer
27    USE parallel_lmdz
28    implicit none
29#include "dimensions.h"
30#include "paramet.h"
31   
32    max_size=jjm+1
33    allocate(timer_table(max_size,nb_timer,0:mpi_size-1))
34    allocate(timer_table_sqr(max_size,nb_timer,0:mpi_size-1))
35    allocate(timer_iteration(max_size,nb_timer,0:mpi_size-1))
36    allocate(timer_average(max_size,nb_timer,0:mpi_size-1))
37    allocate(timer_delta(max_size,nb_timer,0:mpi_size-1))
38    allocate(timer_running(nb_timer))
39    allocate(timer_state(nb_timer))
40    allocate(last_time(nb_timer))
41   
42    timer_table(:,:,:)=0
43    timer_table_sqr(:,:,:)=0
44    timer_iteration(:,:,:)=0
45    timer_average(:,:,:)=0
46    timer_delta(:,:,:)=0
47    timer_state(:)=stopped     
48  end subroutine init_timer
49 
50  subroutine start_timer(no_timer)
51    implicit none
52    integer :: no_timer
53   
54    if (AllTimer_IsActive) then
55   
56      if (timer_state(no_timer)/=stopped) then
57        stop 'start_timer :: timer is already running or suspended'
58      else
59        timer_state(no_timer)=running
60      endif
61     
62      timer_running(no_timer)=0
63      call cpu_time(last_time(no_timer))
64   
65    endif
66   
67  end subroutine start_timer
68 
69  subroutine suspend_timer(no_timer)
70    implicit none
71    integer :: no_timer
72     
73    if (AllTimer_IsActive) then   
74      if (timer_state(no_timer)/=running) then
75        stop 'suspend_timer :: timer is not running'
76      else
77        timer_state(no_timer)=suspended
78      endif
79   
80      timer_running(no_timer)=timer_running(no_timer)-last_time(no_timer)
81      call cpu_time(last_time(no_timer))
82      timer_running(no_timer)=timer_running(no_timer)+last_time(no_timer)
83    endif
84  end subroutine suspend_timer
85 
86  subroutine resume_timer(no_timer)
87    implicit none
88    integer :: no_timer
89     
90    if (AllTimer_IsActive) then   
91      if (timer_state(no_timer)/=suspended) then
92        stop 'resume_timer :: timer is not suspended'
93      else
94        timer_state(no_timer)=running
95      endif
96     
97      call cpu_time(last_time(no_timer))
98    endif
99   
100  end subroutine resume_timer
101
102  subroutine stop_timer(no_timer)
103    USE parallel_lmdz
104    implicit none
105    integer :: no_timer
106    integer :: N
107    real :: V,V2
108   
109    if (AllTimer_IsActive) then
110       
111      if (timer_state(no_timer)/=running) then
112        stop 'stop_timer :: timer is not running'
113      else
114        timer_state(no_timer)=stopped
115      endif
116   
117      timer_running(no_timer)=timer_running(no_timer)-last_time(no_timer)
118      call cpu_time(last_time(no_timer))
119      timer_running(no_timer)=timer_running(no_timer)+last_time(no_timer)
120   
121      timer_table(jj_nb,no_timer,mpi_rank)=timer_table(jj_nb,no_timer,mpi_rank)+timer_running(no_timer)
122      timer_table_sqr(jj_nb,no_timer,mpi_rank)=timer_table_sqr(jj_nb,no_timer,mpi_rank)+timer_running(no_timer)**2
123      timer_iteration(jj_nb,no_timer,mpi_rank)=timer_iteration(jj_nb,no_timer,mpi_rank)+1
124      timer_average(jj_nb,no_timer,mpi_rank)=timer_table(jj_nb,no_timer,mpi_rank)/timer_iteration(jj_nb,no_timer,mpi_rank)
125      if (timer_iteration(jj_nb,no_timer,mpi_rank)>=2) then
126        N=timer_iteration(jj_nb,no_timer,mpi_rank)
127        V2=timer_table_sqr(jj_nb,no_timer,mpi_rank)
128        V=timer_table(jj_nb,no_timer,mpi_rank)
129        timer_delta(jj_nb,no_timer,mpi_rank)=sqrt(ABS(V2-V*V/N)/(N-1))
130      else
131        timer_delta(jj_nb,no_timer,mpi_rank)=0
132      endif
133    endif
134   
135  end subroutine stop_timer
136   
137  subroutine allgather_timer
138    USE parallel_lmdz
139    implicit none
140#ifdef CPP_MPI   
141    include 'mpif.h'
142#endif
143    integer :: ierr
144    integer :: data_size
145    real, allocatable,dimension(:,:) :: tmp_table
146
147    IF (using_mpi) THEN   
148   
149      if (AllTimer_IsActive) then
150   
151   
152      allocate(tmp_table(max_size,nb_timer))
153   
154      data_size=max_size*nb_timer
155   
156      tmp_table(:,:)=timer_table(:,:,mpi_rank)
157#ifdef CPP_MPI
158      call mpi_allgather(tmp_table(1,1),data_size,MPI_REAL_LMDZ,timer_table(1,1,0),data_size,MPI_REAL_LMDZ,COMM_LMDZ,ierr)
159#endif
160      tmp_table(:,:)=timer_table_sqr(:,:,mpi_rank)
161#ifdef CPP_MPI
162      call mpi_allgather(tmp_table(1,1),data_size,MPI_REAL_LMDZ,timer_table_sqr(1,1,0),data_size,MPI_REAL_LMDZ,COMM_LMDZ,ierr)
163#endif   
164      deallocate(tmp_table)
165   
166      endif
167     
168    ENDIF ! using_mpi
169   
170  end subroutine allgather_timer
171 
172  subroutine allgather_timer_average
173    USE parallel_lmdz
174    implicit none
175#ifdef CPP_MPI
176    include 'mpif.h'
177#endif
178    integer :: ierr
179    integer :: data_size
180    real, allocatable,dimension(:,:),target :: tmp_table
181    integer, allocatable,dimension(:,:),target :: tmp_iter
182    integer :: istats
183
184    IF (using_mpi) THEN
185       
186      if (AllTimer_IsActive) then
187   
188      allocate(tmp_table(max_size,nb_timer))
189      allocate(tmp_iter(max_size,nb_timer))
190   
191      data_size=max_size*nb_timer
192
193      tmp_table(:,:)=timer_average(:,:,mpi_rank)
194#ifdef CPP_MPI
195      call mpi_allgather(tmp_table(1,1),data_size,MPI_REAL_LMDZ,timer_average(1,1,0),data_size,MPI_REAL_LMDZ,COMM_LMDZ,ierr)
196#endif
197      tmp_table(:,:)=timer_delta(:,:,mpi_rank)
198#ifdef CPP_MPI
199      call mpi_allgather(tmp_table(1,1),data_size,MPI_REAL_LMDZ,timer_delta(1,1,0),data_size,MPI_REAL_LMDZ,COMM_LMDZ,ierr)
200#endif
201      tmp_iter(:,:)=timer_iteration(:,:,mpi_rank)
202#ifdef CPP_MPI
203      call mpi_allgather(tmp_iter(1,1),data_size,MPI_INTEGER,timer_iteration(1,1,0),data_size,MPI_INTEGER,COMM_LMDZ,ierr)
204#endif   
205      deallocate(tmp_table)
206   
207      endif
208     
209    ENDIF  ! using_mp�
210  end subroutine allgather_timer_average
211 
212  subroutine InitTime
213  implicit none
214    integer :: count,count_rate,count_max
215   
216    AllTimer_IsActive=.TRUE.
217    if (AllTimer_IsActive) then
218      call system_clock(count,count_rate,count_max)
219      call cpu_time(Last_cpuCount)
220      Last_Count=count
221    endif
222  end subroutine InitTime
223 
224  function DiffTime()
225  implicit none
226    double precision :: DiffTime
227    integer :: count,count_rate,count_max
228 
229    call system_clock(count,count_rate,count_max)
230    if (Count>=Last_Count) then
231      DiffTime=(1.*(Count-last_Count))/count_rate
232    else
233      DiffTime=(1.*(Count-last_Count+Count_max))/count_rate
234    endif
235    Last_Count=Count
236  end function DiffTime
237 
238  function DiffCpuTime()
239  implicit none
240    real :: DiffCpuTime
241    real :: Count
242   
243    call cpu_time(Count)
244    DiffCpuTime=Count-Last_cpuCount
245    Last_cpuCount=Count
246  end function DiffCpuTime
247
248end module times
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