-
Notifications
You must be signed in to change notification settings - Fork 19
/
Copy pathtranspose_x_to_z.F90
479 lines (368 loc) · 12.9 KB
/
transpose_x_to_z.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
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
!=======================================================================
! This is part of the 2DECOMP&FFT library
!
! 2DECOMP&FFT is a software framework for general-purpose 2D (pencil)
! decomposition. It also implements a highly scalable distributed
! three-dimensional Fast Fourier Transform (FFT).
!
! Copyright (C) 2009-2012 Ning Li, the Numerical Algorithms Group (NAG)
!
!=======================================================================
! This file contains the routines that transpose data from X to Y pencil
subroutine transpose_x_to_z_real(src, dst, decomp)
implicit none
real(mytype), dimension(:,:,:), intent(IN) :: src
real(mytype), dimension(:,:,:), intent(OUT) :: dst
TYPE(DECOMP_INFO), intent(IN) :: decomp
integer :: s1,s2,s3,d1,d2,d3
integer :: ierror,istat
integer :: i
s1 = SIZE(src,1)
s2 = SIZE(src,2)
s3 = SIZE(src,3)
d1 = SIZE(dst,1)
d2 = SIZE(dst,2)
d3 = SIZE(dst,3)
!print *,nrank, "x->y src ",s1,s2,s3
!print *,nrank, "x->y dst ",d1,d2,d3
! rearrange source array as send buffer
call mem_split_xz_real(src, s1, s2, s3, work1_r, dims(1), &
decomp%x1dist, decomp)
!compare(work1_r,"work1")
!call MPI_BARRIER(MPI_COMM_WORLD)
!stop
!return
!do i=5200,5210
! write(*,*) 'work1(',i,')= ',work1_r(i)
!end do
! transpose using MPI_ALLTOALL(V)
call MPI_ALLTOALLV(work1_r, decomp%x1cnts, decomp%x1disp, &
real_type, work2_r, decomp%y1cnts, decomp%y1disp, &
real_type, DECOMP_2D_COMM_COL, ierror)
! rearrange receive buffer
call mem_merge_xz_real(work2_r, d1, d2, d3, dst, dims(1), &
decomp%y1dist, decomp)
return
end subroutine transpose_x_to_z_real
#ifdef USE_CUDA
subroutine transpose_x_to_z_real_d(src, dst, decomp)
implicit none
real(mytype), device, dimension(:,:,:), intent(IN) :: src
real(mytype), device, dimension(:,:,:), intent(OUT) :: dst
TYPE(DECOMP_INFO), intent(IN) :: decomp
integer :: s1,s2,s3,d1,d2,d3
integer :: ierror,istat
integer :: i,j,k,m,i1,i2,pos
s1 = SIZE(src,1)
s2 = SIZE(src,2)
s3 = SIZE(src,3)
d1 = SIZE(dst,1)
d2 = SIZE(dst,2)
d3 = SIZE(dst,3)
!print *,nrank, "x->y src ",s1,s2,s3
!print *,nrank, "x->y dst ",d1,d2,d3
! rearrange source array as send buffer
!call mem_split_xz_real(src, s1, s2, s3, work1_r, dims(1), &
! decomp%x1dist, decomp)
do m=0,dims(1)-1
if (m==0) then
i1 = 1
i2 = decomp%x1dist(0)
else
i1 = i2+1
i2 = i1+decomp%x1dist(m)-1
end if
pos = decomp%x1disp(m) + 1
istat = cudaMemcpy2D( work1_r_d(pos), i2-i1+1, src(i1,1,1), s1, i2-i1+1, s2*s3 )
end do
work1_r = work1_r_d
!compare(work1_r_d,"work1")
!call MPI_BARRIER(MPI_COMM_WORLD)
!stop
!return
!do i=5200,5210
! write(*,*) 'work1(',i,')= ',work1_r(i)
!end do
! transpose using MPI_ALLTOALL(V)
call MPI_ALLTOALLV(work1_r, decomp%x1cnts, decomp%x1disp, &
real_type, work2_r, decomp%y1cnts, decomp%y1disp, &
real_type, DECOMP_2D_COMM_COL, ierror)
! rearrange receive buffer
!call mem_merge_xz_real(work2_r, d1, d2, d3, dst, dims(1), &
! decomp%y1dist, decomp)
do m=0,dims(1)-1
if (m==0) then
i1 = 1
i2 = decomp%y1dist(0)
else
i1 = i2+1
i2 = i1+decomp%y1dist(m)-1
end if
pos = decomp%y1disp(m) + 1
istat = cudaMemcpy2D( dst(1,i1,1), d1*d2, work2_r(pos), d1*(i2-i1+1), d1*(i2-i1+1), d3 )
if(istat) print *,"ERROR, istat =",istat
end do
return
end subroutine transpose_x_to_z_real_d
subroutine transpose_x_to_z_complex_d(src, dst, decomp)
implicit none
complex(mytype), device, dimension(:,:,:), intent(IN) :: src
complex(mytype), device, dimension(:,:,:), intent(OUT) :: dst
TYPE(DECOMP_INFO), intent(IN) :: decomp
integer :: s1,s2,s3,d1,d2,d3
integer :: ierror,istat
integer :: i,j,k,m,i1,i2,pos,iter,dest,sorc
call nvtxStartRange("tranXZ",3)
#ifdef EPA2A
s1 = SIZE(src,1)
s2 = SIZE(src,2)
s3 = SIZE(src,3)
d1 = SIZE(dst,1)
d2 = SIZE(dst,2)
d3 = SIZE(dst,3)
if(IAND(dims(1),dims(1)-1)==0) then
! rearrange source array as send buffer
do iter=0,dims(1)-1
m = IEOR(col_rank,iter)
if(iter==0) then ! if exchanging with self
istat = cudaMemcpy2DAsync( dst(1,1,decomp%z1idx(m)), decomp%x1dist(m), src(decomp%x1idx(m),1,1), s1, decomp%x1dist(m), s2*s3, stream=a2a_comp )
else
pos = decomp%w1disp(m) + 1
istat = cudaMemcpy2DAsync( work1_c_d(pos), decomp%x1dist(m), src(decomp%x1idx(m),1,1), s1, decomp%x1dist(m), s2*s3, stream=a2a_comp )
istat = cudaEventRecord( a2a_event(iter+dims(1)), a2a_comp )
istat = cudaStreamWaitEvent( a2a_d2h, a2a_event(iter+dims(1)), 0)
istat = cudaMemcpyAsync( work1_c(pos), work1_c_d(pos), decomp%w1cnts(m), a2a_d2h )
istat = cudaEventRecord( a2a_event(iter), a2a_d2h )
end if
end do
do iter=1,dims(1)-1
m = IEOR(col_rank,iter)
call MPI_IRECV( work2_c(decomp%z1disp(m)+1), decomp%z1cnts(m), complex_type, m, 0, DECOMP_2D_COMM_COL, a2a_requests(iter), ierror)
end do
do iter=1,dims(1)-1
m = IEOR(col_rank,iter)
istat = cudaEventSynchronize( a2a_event(iter) )
call nvtxStartRangeAsync("MPI",iter)
call MPI_SEND( work1_c(decomp%w1disp(m)+1), decomp%w1cnts(m), complex_type, m, 0, DECOMP_2D_COMM_COL, ierror)
call nvtxEndRangeAsync
call MPI_WAIT(a2a_requests(iter), a2a_status(1,iter), ierror)
pos = decomp%z1disp(m) + 1
istat = cudaMemcpyAsync( dst(1,1,decomp%z1idx(m)), work2_c(pos), decomp%z1cnts(m), a2a_h2d )
end do
istat = cudaEventRecord( a2a_event(0), 0 )
else
! rearrange source array as send buffer
do iter=0,dims(1)-1
dest = mod(col_rank + iter, dims(1))
m = dest
!m = IEOR(col_rank,iter)
if(iter==0) then ! if exchanging with self
istat = cudaMemcpy2DAsync( dst(1,1,decomp%z1idx(m)), decomp%x1dist(m), src(decomp%x1idx(m),1,1), s1, decomp%x1dist(m), s2*s3, stream=a2a_comp )
else
pos = decomp%w1disp(m) + 1
istat = cudaMemcpy2DAsync( work1_c_d(pos), decomp%x1dist(m), src(decomp%x1idx(m),1,1), s1, decomp%x1dist(m), s2*s3, stream=a2a_comp )
istat = cudaEventRecord( a2a_event(iter+dims(1)), a2a_comp )
istat = cudaStreamWaitEvent( a2a_d2h, a2a_event(iter+dims(1)), 0)
istat = cudaMemcpyAsync( work1_c(pos), work1_c_d(pos), decomp%w1cnts(m), a2a_d2h )
istat = cudaEventRecord( a2a_event(iter), a2a_d2h )
end if
end do
do iter=1,dims(1)-1
sorc = mod(col_rank - iter + dims(1), dims(1))
m = sorc
!m = IEOR(col_rank,iter)
call MPI_IRECV( work2_c(decomp%z1disp(m)+1), decomp%z1cnts(m), complex_type, m, 0, DECOMP_2D_COMM_COL, a2a_requests(iter), ierror)
end do
do iter=1,dims(1)-1
dest = mod(col_rank + iter, dims(1))
sorc = mod(col_rank - iter + dims(1), dims(1))
m = dest
!m = IEOR(col_rank,iter)
istat = cudaEventSynchronize( a2a_event(iter) )
call nvtxStartRangeAsync("MPI",iter)
call MPI_SEND( work1_c(decomp%w1disp(m)+1), decomp%w1cnts(m), complex_type, m, 0, DECOMP_2D_COMM_COL, ierror)
call nvtxEndRangeAsync
m = sorc
call MPI_WAIT(a2a_requests(iter), a2a_status(1,iter), ierror)
pos = decomp%z1disp(m) + 1
istat = cudaMemcpyAsync( dst(1,1,decomp%z1idx(m)), work2_c(pos), decomp%z1cnts(m), a2a_h2d )
end do
istat = cudaEventRecord( a2a_event(0), 0 )
#if 0
! rearrange source array as send buffer
do m=0,dims(1)-1
if (m==0) then
i1 = 1
i2 = decomp%x1dist(0)
else
i1 = i2+1
i2 = i1+decomp%x1dist(m)-1
end if
pos = decomp%w1disp(m) + 1
istat = cudaMemcpy2D( work1_c_d(pos), i2-i1+1, src(i1,1,1), s1, i2-i1+1,s2*s3 )
end do
istat = cudaMemcpy( work1_c, work1_c_d, s1*s2*s3 )
! transpose using MPI_ALLTOALL(V)
call MPI_ALLTOALLV(work1_c, decomp%w1cnts, decomp%w1disp, &
complex_type, work2_c, decomp%z1cnts, decomp%z1disp, &
complex_type, DECOMP_2D_COMM_COL, ierror)
istat = cudaMemcpy( dst, work2_c, d1*d2*d3 )
#endif
end if
#else
s1 = SIZE(src,1)
s2 = SIZE(src,2)
s3 = SIZE(src,3)
d1 = SIZE(dst,1)
d2 = SIZE(dst,2)
d3 = SIZE(dst,3)
! rearrange source array as send buffer
do m=0,dims(1)-1
if (m==0) then
i1 = 1
i2 = decomp%x1dist(0)
else
i1 = i2+1
i2 = i1+decomp%x1dist(m)-1
end if
pos = decomp%w1disp(m) + 1
istat = cudaMemcpy2D( work1_c_d(pos), i2-i1+1, src(i1,1,1), s1, i2-i1+1,s2*s3 )
end do
istat = cudaMemcpy( work1_c, work1_c_d, s1*s2*s3 )
! transpose using MPI_ALLTOALL(V)
call MPI_ALLTOALLV(work1_c, decomp%w1cnts, decomp%w1disp, &
complex_type, work2_c, decomp%z1cnts, decomp%z1disp, &
complex_type, DECOMP_2D_COMM_COL, ierror)
istat = cudaMemcpy( dst, work2_c, d1*d2*d3 )
#endif
call nvtxEndRange
return
end subroutine transpose_x_to_z_complex_d
#endif
subroutine transpose_x_to_z_complex(src, dst, decomp)
implicit none
complex(mytype), dimension(:,:,:), intent(IN) :: src
complex(mytype), dimension(:,:,:), intent(OUT) :: dst
TYPE(DECOMP_INFO), intent(IN) :: decomp
integer :: ierror
call MPI_Alltoallw(src,decomp%xcnts_xz,decomp%xdispls_xz,decomp%xtypes_xz, &
dst,decomp%zcnts_xz,decomp%zdispls_xz,decomp%ztypes_xz,MPI_COMM_WORLD,ierror)
return
end subroutine transpose_x_to_z_complex
! pack/unpack ALLTOALL(V) buffers
subroutine mem_split_xz_real(in,n1,n2,n3,out,iproc,dist,decomp)
implicit none
integer, intent(IN) :: n1,n2,n3
real(mytype), dimension(1:n1,1:n2,1:n3), intent(IN) :: in
real(mytype), dimension(*), intent(OUT) :: out
integer, intent(IN) :: iproc
integer, dimension(0:iproc-1), intent(IN) :: dist
TYPE(DECOMP_INFO), intent(IN) :: decomp
integer :: i,j,k, m,i1,i2,pos
do m=0,iproc-1
if (m==0) then
i1 = 1
i2 = dist(0)
else
i1 = i2+1
i2 = i1+dist(m)-1
end if
pos = decomp%x1disp(m) + 1
do k=1,n3
do j=1,n2
do i=i1,i2
out(pos) = in(i,j,k)
pos = pos + 1
end do
end do
end do
end do
return
end subroutine mem_split_xz_real
subroutine mem_split_xz_complex(in,n1,n2,n3,out,iproc,dist,decomp)
implicit none
integer, intent(IN) :: n1,n2,n3
complex(mytype), dimension(n1,n2,n3), intent(IN) :: in
complex(mytype), dimension(*), intent(OUT) :: out
integer, intent(IN) :: iproc
integer, dimension(0:iproc-1), intent(IN) :: dist
TYPE(DECOMP_INFO), intent(IN) :: decomp
integer :: i,j,k, m,i1,i2,pos
do m=0,iproc-1
if (m==0) then
i1 = 1
i2 = dist(0)
else
i1 = i2+1
i2 = i1+dist(m)-1
end if
pos = decomp%x1disp(m) + 1
do k=1,n3
do j=1,n2
do i=i1,i2
out(pos) = in(i,j,k)
pos = pos + 1
end do
end do
end do
end do
return
end subroutine mem_split_xz_complex
subroutine mem_merge_xz_real(in,n1,n2,n3,out,iproc,dist,decomp)
implicit none
integer, intent(IN) :: n1,n2,n3
real(mytype), dimension(*), intent(IN) :: in
real(mytype), dimension(1:n1,1:n2,1:n3), intent(OUT) :: out
integer, intent(IN) :: iproc
integer, dimension(0:iproc-1), intent(IN) :: dist
TYPE(DECOMP_INFO), intent(IN) :: decomp
integer :: i,j,k, m,i1,i2, pos
do m=0,iproc-1
if (m==0) then
i1 = 1
i2 = dist(0)
else
i1 = i2+1
i2 = i1+dist(m)-1
end if
pos = decomp%y1disp(m) + 1
do k=1,n3
do j=i1,i2
do i=1,n1
out(i,j,k) = in(pos)
pos = pos + 1
end do
end do
end do
end do
return
end subroutine mem_merge_xz_real
subroutine mem_merge_xz_complex(in,n1,n2,n3,out,iproc,dist,decomp)
implicit none
integer, intent(IN) :: n1,n2,n3
complex(mytype), dimension(*), intent(IN) :: in
complex(mytype), dimension(n1,n2,n3), intent(OUT) :: out
integer, intent(IN) :: iproc
integer, dimension(0:iproc-1), intent(IN) :: dist
TYPE(DECOMP_INFO), intent(IN) :: decomp
integer :: i,j,k, m,i1,i2, pos
do m=0,iproc-1
if (m==0) then
i1 = 1
i2 = dist(0)
else
i1 = i2+1
i2 = i1+dist(m)-1
end if
pos = decomp%y1disp(m) + 1
do k=1,n3
do j=i1,i2
do i=1,n1
out(i,j,k) = in(pos)
pos = pos + 1
end do
end do
end do
end do
return
end subroutine mem_merge_xz_complex