-
Notifications
You must be signed in to change notification settings - Fork 0
/
hydro.f90
274 lines (227 loc) · 11 KB
/
hydro.f90
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
!Crown Copyright 2012 AWE.
!
! This file is part of CloverLeaf.
!
! CloverLeaf is free software: you can redistribute it and/or modify it under
! the terms of the GNU General Public License as published by the
! Free Software Foundation, either version 3 of the License, or (at your option)
! any later version.
!
! CloverLeaf is distributed in the hope that it will be useful, but
! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
! FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
! details.
!
! You should have received a copy of the GNU General Public License along with
! CloverLeaf. If not, see http://www.gnu.org/licenses/.
!> @brief Controls the main hydro cycle.
!> @author Wayne Gaudin
!> @details Controls the top level cycle, invoking all the drivers and checks
!> for outputs and completion.
module global_vars
implicit none
integer :: global_method
end module global_vars
SUBROUTINE hydro
USE clover_module
USE timestep_module
USE viscosity_module
USE PdV_module
USE accelerate_module
USE flux_calc_module
USE advection_module
USE reset_field_module
USE mpi_interface
USE global_vars
IMPLICIT NONE
INTEGER :: loc(1)
REAL(KIND=8) :: timer,timerstart,wall_clock,step_clock
REAL(KIND=8) :: grind_time,cells,rstep
REAL(KIND=8) :: step_time,step_grind
REAL(KIND=8) :: first_step,second_step
REAL(KIND=8) :: kernel_total,totals(parallel%max_task)
integer(c_int) :: rank, err, failed_size, i
integer(c_int) :: y_size, x_size
integer :: nargs, method, failed_rank
character(len=100) :: arg
y_size = 10*2*(chunk%y_max+5)
x_size = 10*2*(chunk%x_max+5)
! get the number of command line arguments
nargs = command_argument_count()
if (nargs >= 1) then
call get_command_argument(1, arg)
read(arg, '(I10)', iostat=err) method
if (nargs >= 2) then
call get_command_argument(2, arg)
read(arg, '(I10)', iostat=err) failed_rank
else
failed_rank = -1
endif
else
method = 2
endif
global_method = method
timerstart = timer()
DO
step_time = timer()
step = step + 1
! if (step == 1) then
! do i=1, y_size
! chunk%init_left_buffer(i) = 1.0
! chunk%init_right_buffer(i) = 1.0
! end do
! do i=1, x_size
! chunk%init_bottom_buffer(i) = 1.0
! chunk%init_top_buffer(i) = 1.0
! end do
! endif
! IF (STEP == 1 .or. STEP == 120) THEN
CALL write_my_energy(step)
! ENDIF
IF (step == 2) THEN
call my_MPI_Comm_rank(MPI_COMM_WORLD, rank, err)
IF (rank == failed_rank) THEN
call raise_sigint_c()
ENDIF
ENDIF
! there are 6 calls to update_halo
CALL timestep() !two of them here
! predict set to true
CALL PdV(.TRUE.) ! one here
CALL accelerate()
! predict set to false
CALL PdV(.FALSE.)
CALL flux_calc()
CALL advection() ! three here
CALL reset_field()
advect_x = .NOT. advect_x
time = time + dt
IF(summary_frequency.NE.0) THEN
IF(MOD(step, summary_frequency).EQ.0) CALL field_summary()
ENDIF
IF(visit_frequency.NE.0) THEN
IF(MOD(step, visit_frequency).EQ.0) CALL visit()
ENDIF
! Sometimes there can be a significant start up cost that appears in the first step.
! Sometimes it is due to the number of MPI tasks, or OpenCL kernel compilation.
! On the short test runs, this can skew the results, so should be taken into account
! in recorded run times.
IF(step.EQ.1) first_step=(timer() - step_time)
IF(step.EQ.2) second_step=(timer() - step_time)
IF(time+g_small.GT.end_time.OR.step.GE.end_step) THEN
complete=.TRUE.
CALL field_summary()
IF(visit_frequency.NE.0) CALL visit()
wall_clock=timer() - timerstart
IF ( parallel%boss ) THEN
WRITE(g_out,*)
WRITE(g_out,*) 'Calculation complete'
WRITE(g_out,*) 'Clover is finishing'
WRITE(g_out,*) 'Wall clock ', wall_clock
WRITE(g_out,*) 'First step overhead', first_step-second_step
WRITE( 0,*) 'Wall clock ', wall_clock
WRITE( 0,*) 'First step overhead', first_step-second_step
ENDIF
IF ( profiler_on ) THEN
! First we need to find the maximum kernel time for each task. This
! seems to work better than finding the maximum time for each kernel and
! adding it up, which always gives over 100%. I think this is because it
! does not take into account compute overlaps before syncronisations
! caused by halo exhanges.
kernel_total=profiler%timestep+profiler%ideal_gas+profiler%viscosity+profiler%PdV &
+profiler%revert+profiler%acceleration+profiler%flux+profiler%cell_advection &
+profiler%mom_advection+profiler%reset+profiler%summary+profiler%visit &
+profiler%tile_halo_exchange+profiler%self_halo_exchange+profiler%mpi_halo_exchange
CALL clover_allgather(kernel_total,totals)
! So then what I do is use the individual kernel times for the
! maximum kernel time task for the profile print
loc=MAXLOC(totals)
kernel_total=totals(loc(1))
CALL clover_allgather(profiler%timestep,totals)
profiler%timestep=totals(loc(1))
CALL clover_allgather(profiler%ideal_gas,totals)
profiler%ideal_gas=totals(loc(1))
CALL clover_allgather(profiler%viscosity,totals)
profiler%viscosity=totals(loc(1))
CALL clover_allgather(profiler%PdV,totals)
profiler%PdV=totals(loc(1))
CALL clover_allgather(profiler%revert,totals)
profiler%revert=totals(loc(1))
CALL clover_allgather(profiler%acceleration,totals)
profiler%acceleration=totals(loc(1))
CALL clover_allgather(profiler%flux,totals)
profiler%flux=totals(loc(1))
CALL clover_allgather(profiler%cell_advection,totals)
profiler%cell_advection=totals(loc(1))
CALL clover_allgather(profiler%mom_advection,totals)
profiler%mom_advection=totals(loc(1))
CALL clover_allgather(profiler%reset,totals)
profiler%reset=totals(loc(1))
CALL clover_allgather(profiler%tile_halo_exchange,totals)
profiler%tile_halo_exchange=totals(loc(1))
CALL clover_allgather(profiler%self_halo_exchange,totals)
profiler%self_halo_exchange=totals(loc(1))
CALL clover_allgather(profiler%mpi_halo_exchange,totals)
profiler%mpi_halo_exchange=totals(loc(1))
CALL clover_allgather(profiler%summary,totals)
profiler%summary=totals(loc(1))
CALL clover_allgather(profiler%visit,totals)
profiler%visit=totals(loc(1))
IF ( parallel%boss ) THEN
WRITE(g_out,*)
WRITE(g_out,'(a58,2f16.4)')"Profiler Output Time Percentage"
WRITE(g_out,'(a23,2f16.4)')"Timestep :",profiler%timestep,&
100.0*(profiler%timestep/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Ideal Gas :",profiler%ideal_gas,&
100.0*(profiler%ideal_gas/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Viscosity :",profiler%viscosity,&
100.0*(profiler%viscosity/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"PdV :",profiler%PdV,&
100.0*(profiler%PdV/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Revert :",profiler%revert,&
100.0*(profiler%revert/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Acceleration :",profiler%acceleration,&
100.0*(profiler%acceleration/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Fluxes :",profiler%flux,&
100.0*(profiler%flux/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Cell Advection :",profiler%cell_advection,&
100.0*(profiler%cell_advection/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Momentum Advection :",profiler%mom_advection,&
100.0*(profiler%mom_advection/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Reset :",profiler%reset,&
100.0*(profiler%reset/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Summary :",profiler%summary,&
100.0*(profiler%summary/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Visit :",profiler%visit,&
100.0*(profiler%visit/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Tile Halo Exchange :",profiler%tile_halo_exchange,&
100.0*(profiler%tile_halo_exchange/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Self Halo Exchange :",profiler%self_halo_exchange,&
100.0*(profiler%self_halo_exchange/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"MPI Halo Exchange :",profiler%mpi_halo_exchange,&
100.0*(profiler%mpi_halo_exchange/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"Total :",kernel_total,&
100.0*(kernel_total/wall_clock)
WRITE(g_out,'(a23,2f16.4)')"The Rest :",wall_clock-kernel_total,&
100.0*(wall_clock-kernel_total)/wall_clock
ENDIF
ENDIF
CALL clover_finalize
EXIT
END IF
! IF (parallel%boss) THEN
! wall_clock=timer()-timerstart
! step_clock=timer()-step_time
! WRITE(g_out,*)"Wall clock ",wall_clock
! WRITE(0 ,*)"Wall clock ",wall_clock
! cells = grid%x_cells * grid%y_cells
! rstep = step
! grind_time = wall_clock/(rstep * cells)
! step_grind = step_clock/cells
! WRITE(0 ,*)"Average time per cell ",grind_time
! WRITE(g_out,*)"Average time per cell ",grind_time
! WRITE(0 ,*)"Step time per cell ",step_grind
! WRITE(g_out,*)"Step time per cell ",step_grind
! END IF
END DO
END SUBROUTINE hydro