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5 |
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!! @author Charles F. Vardeman II |
6 |
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!! @author Matthew Meineke |
7 |
< |
!! @version $Id: do_Forces.F90,v 1.22 2003-07-17 19:25:51 chuckv Exp $, $Date: 2003-07-17 19:25:51 $, $Name: not supported by cvs2svn $, $Revision: 1.22 $ |
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!! @version $Id: do_Forces.F90,v 1.29 2003-08-13 21:20:20 chuckv Exp $, $Date: 2003-08-13 21:20:20 $, $Name: not supported by cvs2svn $, $Revision: 1.29 $ |
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module do_Forces |
10 |
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use force_globals |
18 |
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use reaction_field |
19 |
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use gb_pair |
20 |
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use vector_class |
21 |
+ |
use eam |
22 |
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use status |
23 |
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#ifdef IS_MPI |
24 |
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use mpiSimulation |
25 |
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#endif |
45 |
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public :: do_force_loop |
46 |
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public :: setRlistDF |
47 |
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|
48 |
+ |
#ifdef PROFILE |
49 |
+ |
real(kind = dp) :: forceTime |
50 |
+ |
real(kind = dp) :: forceTimeInitial, forceTimeFinal |
51 |
+ |
real(kind = dp) :: globalForceTime |
52 |
+ |
real(kind = dp) :: maxForceTime |
53 |
+ |
integer, save :: nloops = 0 |
54 |
+ |
#endif |
55 |
+ |
|
56 |
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contains |
57 |
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|
58 |
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subroutine setRlistDF( this_rlist ) |
151 |
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return |
152 |
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end if |
153 |
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endif |
154 |
+ |
|
155 |
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|
156 |
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if (FF_uses_EAM) then |
157 |
+ |
call init_EAM_FF(my_status) |
158 |
+ |
if (my_status /= 0) then |
159 |
+ |
thisStat = -1 |
160 |
+ |
return |
161 |
+ |
end if |
162 |
+ |
endif |
163 |
+ |
|
164 |
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|
165 |
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|
166 |
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if (FF_uses_GB) then |
167 |
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call check_gb_pair_FF(my_status) |
182 |
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return |
183 |
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endif |
184 |
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endif |
185 |
+ |
|
186 |
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|
187 |
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havePolicies = .true. |
188 |
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if( haveRlist ) do_forces_initialized = .true. |
189 |
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|
189 |
> |
|
190 |
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end subroutine init_FF |
191 |
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|
192 |
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|
214 |
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real( kind = DP ) :: pot_local |
215 |
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integer :: nrow |
216 |
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integer :: ncol |
217 |
+ |
integer :: nprocs |
218 |
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#endif |
219 |
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integer :: nlocal |
220 |
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integer :: natoms |
244 |
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nlocal = getNlocal() |
245 |
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natoms = nlocal |
246 |
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#endif |
247 |
< |
|
247 |
> |
|
248 |
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call check_initialization(localError) |
249 |
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if ( localError .ne. 0 ) then |
250 |
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call handleError("do_force_loop","Not Initialized") |
251 |
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error = -1 |
252 |
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return |
253 |
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end if |
256 |
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do_pot = do_pot_c |
257 |
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do_stress = do_stress_c |
258 |
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|
259 |
+ |
|
260 |
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! Gather all information needed by all force loops: |
261 |
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|
262 |
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#ifdef IS_MPI |
273 |
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endif |
274 |
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|
275 |
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#endif |
276 |
< |
|
276 |
> |
|
277 |
> |
!! Begin force loop timing: |
278 |
> |
#ifdef PROFILE |
279 |
> |
call cpu_time(forceTimeInitial) |
280 |
> |
nloops = nloops + 1 |
281 |
> |
#endif |
282 |
> |
|
283 |
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if (FF_RequiresPrepairCalc() .and. SimRequiresPrepairCalc()) then |
284 |
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!! See if we need to update neighbor lists |
285 |
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call checkNeighborList(nlocal, q, listSkin, update_nlist) |
287 |
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!! do_prepair_loop_if_needed |
288 |
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!! if_mpi_scatter_stuff_from_prepair |
289 |
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!! if_mpi_gather_stuff_from_prepair_to_main_loop |
290 |
+ |
|
291 |
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!--------------------PREFORCE LOOP----------->>>>>>>>>>>>>>>>>>>>>>>>>>> |
292 |
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#ifdef IS_MPI |
293 |
+ |
|
294 |
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if (update_nlist) then |
295 |
+ |
|
296 |
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!! save current configuration, construct neighbor list, |
297 |
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!! and calculate forces |
298 |
+ |
call saveNeighborList(nlocal, q) |
299 |
+ |
|
300 |
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neighborListSize = size(list) |
301 |
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nlist = 0 |
302 |
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|
303 |
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do i = 1, nrow |
304 |
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point(i) = nlist + 1 |
305 |
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|
306 |
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prepair_inner: do j = 1, ncol |
307 |
+ |
|
308 |
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if (skipThisPair(i,j)) cycle prepair_inner |
309 |
+ |
|
310 |
+ |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), d, rijsq) |
311 |
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|
312 |
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if (rijsq < rlistsq) then |
313 |
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|
314 |
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nlist = nlist + 1 |
315 |
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|
316 |
+ |
if (nlist > neighborListSize) then |
317 |
+ |
call expandNeighborList(nlocal, listerror) |
318 |
+ |
if (listerror /= 0) then |
319 |
+ |
error = -1 |
320 |
+ |
write(DEFAULT_ERROR,*) "ERROR: nlist > list size and max allocations exceeded." |
321 |
+ |
return |
322 |
+ |
end if |
323 |
+ |
neighborListSize = size(list) |
324 |
+ |
endif |
325 |
+ |
|
326 |
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list(nlist) = j |
327 |
+ |
call do_prepair(i, j, rijsq, d, do_pot, do_stress, u_l, A, f, t, pot_local) |
328 |
+ |
endif |
329 |
+ |
enddo prepair_inner |
330 |
+ |
enddo |
331 |
+ |
|
332 |
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point(nrow + 1) = nlist + 1 |
333 |
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|
334 |
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else !! (of update_check) |
335 |
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|
336 |
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! use the list to find the neighbors |
337 |
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do i = 1, nrow |
338 |
+ |
JBEG = POINT(i) |
339 |
+ |
JEND = POINT(i+1) - 1 |
340 |
+ |
! check thiat molecule i has neighbors |
341 |
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if (jbeg .le. jend) then |
342 |
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|
343 |
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do jnab = jbeg, jend |
344 |
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j = list(jnab) |
345 |
+ |
|
346 |
+ |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), d, rijsq) |
347 |
+ |
call do_prepair(i, j, rijsq, d, do_pot, do_stress, & |
348 |
+ |
u_l, A, f, t, pot_local) |
349 |
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|
350 |
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enddo |
351 |
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endif |
352 |
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enddo |
353 |
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endif |
354 |
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|
355 |
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#else |
356 |
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|
357 |
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if (update_nlist) then |
358 |
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|
359 |
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! save current configuration, contruct neighbor list, |
360 |
+ |
! and calculate forces |
361 |
+ |
call saveNeighborList(natoms, q) |
362 |
+ |
|
363 |
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neighborListSize = size(list) |
364 |
+ |
|
365 |
+ |
nlist = 0 |
366 |
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|
367 |
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do i = 1, natoms-1 |
368 |
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point(i) = nlist + 1 |
369 |
+ |
|
370 |
+ |
prepair_inner: do j = i+1, natoms |
371 |
+ |
|
372 |
+ |
if (skipThisPair(i,j)) cycle prepair_inner |
373 |
+ |
|
374 |
+ |
call get_interatomic_vector(q(:,i), q(:,j), d, rijsq) |
375 |
+ |
|
376 |
+ |
|
377 |
+ |
if (rijsq < rlistsq) then |
378 |
+ |
|
379 |
+ |
|
380 |
+ |
nlist = nlist + 1 |
381 |
+ |
|
382 |
+ |
if (nlist > neighborListSize) then |
383 |
+ |
call expandNeighborList(natoms, listerror) |
384 |
+ |
if (listerror /= 0) then |
385 |
+ |
error = -1 |
386 |
+ |
write(DEFAULT_ERROR,*) "ERROR: nlist > list size and max allocations exceeded." |
387 |
+ |
return |
388 |
+ |
end if |
389 |
+ |
neighborListSize = size(list) |
390 |
+ |
endif |
391 |
+ |
|
392 |
+ |
list(nlist) = j |
393 |
+ |
|
394 |
+ |
call do_prepair(i, j, rijsq, d, do_pot, do_stress, & |
395 |
+ |
u_l, A, f, t, pot) |
396 |
+ |
|
397 |
+ |
endif |
398 |
+ |
enddo prepair_inner |
399 |
+ |
enddo |
400 |
+ |
|
401 |
+ |
point(natoms) = nlist + 1 |
402 |
+ |
|
403 |
+ |
else !! (update) |
404 |
+ |
|
405 |
+ |
! use the list to find the neighbors |
406 |
+ |
do i = 1, natoms-1 |
407 |
+ |
JBEG = POINT(i) |
408 |
+ |
JEND = POINT(i+1) - 1 |
409 |
+ |
! check thiat molecule i has neighbors |
410 |
+ |
if (jbeg .le. jend) then |
411 |
+ |
|
412 |
+ |
do jnab = jbeg, jend |
413 |
+ |
j = list(jnab) |
414 |
+ |
|
415 |
+ |
call get_interatomic_vector(q(:,i), q(:,j), d, rijsq) |
416 |
+ |
call do_prepair(i, j, rijsq, d, do_pot, do_stress, & |
417 |
+ |
u_l, A, f, t, pot) |
418 |
+ |
|
419 |
+ |
enddo |
420 |
+ |
endif |
421 |
+ |
enddo |
422 |
+ |
endif |
423 |
+ |
#endif |
424 |
+ |
!! Do rest of preforce calculations |
425 |
+ |
!! do necessary preforce calculations |
426 |
+ |
call do_preforce(nlocal,pot) |
427 |
+ |
! we have already updated the neighbor list set it to false... |
428 |
+ |
update_nlist = .false. |
429 |
|
else |
430 |
< |
!! See if we need to update neighbor lists |
430 |
> |
!! See if we need to update neighbor lists for non pre-pair |
431 |
|
call checkNeighborList(nlocal, q, listSkin, update_nlist) |
432 |
|
endif |
433 |
< |
|
433 |
> |
|
434 |
> |
|
435 |
> |
|
436 |
> |
|
437 |
> |
|
438 |
> |
!---------------------------------MAIN Pair LOOP->>>>>>>>>>>>>>>>>>>>>>>>>>>> |
439 |
> |
|
440 |
> |
|
441 |
> |
|
442 |
> |
|
443 |
> |
|
444 |
|
#ifdef IS_MPI |
445 |
|
|
446 |
|
if (update_nlist) then |
578 |
|
#endif |
579 |
|
|
580 |
|
! phew, done with main loop. |
581 |
< |
|
581 |
> |
|
582 |
> |
!! Do timing |
583 |
> |
#ifdef PROFILE |
584 |
> |
call cpu_time(forceTimeFinal) |
585 |
> |
forceTime = forceTime + forceTimeFinal - forceTimeInitial |
586 |
> |
#endif |
587 |
> |
|
588 |
> |
|
589 |
|
#ifdef IS_MPI |
590 |
|
!!distribute forces |
591 |
|
|
699 |
|
endif |
700 |
|
|
701 |
|
#endif |
702 |
< |
|
702 |
> |
|
703 |
> |
#ifdef PROFILE |
704 |
> |
if (do_pot) then |
705 |
> |
|
706 |
> |
#ifdef IS_MPI |
707 |
> |
|
708 |
> |
|
709 |
> |
call printCommTime() |
710 |
> |
|
711 |
> |
call mpi_allreduce(forceTime,globalForceTime,1,MPI_DOUBLE_PRECISION, & |
712 |
> |
mpi_sum,mpi_comm_world,mpi_err) |
713 |
> |
|
714 |
> |
call mpi_allreduce(forceTime,maxForceTime,1,MPI_DOUBLE_PRECISION, & |
715 |
> |
MPI_MAX,mpi_comm_world,mpi_err) |
716 |
> |
|
717 |
> |
call mpi_comm_size( MPI_COMM_WORLD, nprocs,mpi_err) |
718 |
> |
|
719 |
> |
if (getMyNode() == 0) then |
720 |
> |
write(*,*) "Total processor time spent in force calculations is: ", globalForceTime |
721 |
> |
write(*,*) "Total Time spent in force loop per processor is: ", globalforceTime/nprocs |
722 |
> |
write(*,*) "Maximum force time on any processor is: ", maxForceTime |
723 |
> |
end if |
724 |
> |
#else |
725 |
> |
write(*,*) "Time spent in force loop is: ", forceTime |
726 |
> |
#endif |
727 |
> |
|
728 |
> |
|
729 |
> |
endif |
730 |
> |
|
731 |
> |
#endif |
732 |
> |
|
733 |
> |
|
734 |
> |
|
735 |
|
end subroutine do_force_loop |
736 |
|
|
737 |
|
subroutine do_pair(i, j, rijsq, d, do_pot, do_stress, u_l, A, f, t, pot) |
750 |
|
logical :: is_LJ_i, is_LJ_j |
751 |
|
logical :: is_DP_i, is_DP_j |
752 |
|
logical :: is_GB_i, is_GB_j |
753 |
+ |
logical :: is_EAM_i,is_EAM_j |
754 |
|
logical :: is_Sticky_i, is_Sticky_j |
755 |
|
integer :: me_i, me_j |
756 |
|
|
819 |
|
endif |
820 |
|
|
821 |
|
|
822 |
+ |
|
823 |
+ |
if (FF_uses_EAM .and. SimUsesEAM()) then |
824 |
+ |
call getElementProperty(atypes, me_i, "is_EAM", is_EAM_i) |
825 |
+ |
call getElementProperty(atypes, me_j, "is_EAM", is_EAM_j) |
826 |
+ |
|
827 |
+ |
if ( is_EAM_i .and. is_EAM_j ) & |
828 |
+ |
call do_eam_pair(i, j, d, r, rijsq, pot, f, do_pot, do_stress) |
829 |
+ |
endif |
830 |
+ |
|
831 |
|
|
832 |
+ |
|
833 |
+ |
|
834 |
|
end subroutine do_pair |
835 |
|
|
836 |
|
|
837 |
|
|
838 |
< |
subroutine do_preforce(i, j, rijsq, d, do_pot, do_stress, u_l, A, f, t, pot) |
838 |
> |
subroutine do_prepair(i, j, rijsq, d, do_pot, do_stress, u_l, A, f, t, pot) |
839 |
|
real( kind = dp ) :: pot |
840 |
|
real( kind = dp ), dimension(3,getNlocal()) :: u_l |
841 |
|
real (kind=dp), dimension(9,getNlocal()) :: A |
854 |
|
|
855 |
|
r = sqrt(rijsq) |
856 |
|
|
857 |
+ |
|
858 |
|
#ifdef IS_MPI |
859 |
|
if (tagRow(i) .eq. tagColumn(j)) then |
860 |
|
write(0,*) 'do_pair is doing', i , j, tagRow(i), tagColumn(j) |
869 |
|
me_j = atid(j) |
870 |
|
|
871 |
|
#endif |
872 |
< |
|
872 |
> |
|
873 |
|
if (FF_uses_EAM .and. SimUsesEAM()) then |
874 |
|
call getElementProperty(atypes, me_i, "is_EAM", is_EAM_i) |
875 |
|
call getElementProperty(atypes, me_j, "is_EAM", is_EAM_j) |
876 |
|
|
877 |
|
if ( is_EAM_i .and. is_EAM_j ) & |
878 |
< |
call calc_EAM_prepair(i, j, d, r, rijsq ) |
878 |
> |
call calc_EAM_prepair_rho(i, j, d, r, rijsq ) |
879 |
|
endif |
880 |
+ |
|
881 |
+ |
end subroutine do_prepair |
882 |
+ |
|
883 |
+ |
|
884 |
+ |
|
885 |
+ |
|
886 |
+ |
subroutine do_preforce(nlocal,pot) |
887 |
+ |
integer :: nlocal |
888 |
+ |
real( kind = dp ) :: pot |
889 |
+ |
|
890 |
+ |
if (FF_uses_EAM .and. SimUsesEAM()) then |
891 |
+ |
call calc_EAM_preforce_Frho(nlocal,pot) |
892 |
+ |
endif |
893 |
+ |
|
894 |
+ |
|
895 |
|
end subroutine do_preforce |
896 |
|
|
897 |
|
|
952 |
|
error = 0 |
953 |
|
! Make sure we are properly initialized. |
954 |
|
if (.not. do_forces_initialized) then |
955 |
+ |
write(*,*) "Forces not initialized" |
956 |
|
error = -1 |
957 |
|
return |
958 |
|
endif |
1000 |
|
|
1001 |
|
#endif |
1002 |
|
|
1003 |
+ |
|
1004 |
+ |
if (FF_uses_EAM .and. SimUsesEAM()) then |
1005 |
+ |
call clean_EAM() |
1006 |
+ |
endif |
1007 |
+ |
|
1008 |
+ |
|
1009 |
+ |
|
1010 |
+ |
|
1011 |
+ |
|
1012 |
|
rf = 0.0_dp |
1013 |
|
tau_Temp = 0.0_dp |
1014 |
|
virial_Temp = 0.0_dp |
1121 |
|
doesit = FF_uses_RF |
1122 |
|
end function FF_RequiresPostpairCalc |
1123 |
|
|
1124 |
+ |
!! This cleans componets of force arrays belonging only to fortran |
1125 |
+ |
|
1126 |
|
end module do_Forces |