dynamic dissulfides with finegrain parallelization cont.

[unres.git] / source / unres / src_MD / ssMD.F

diff --git a/source/unres/src_MD/ssMD.F b/source/unres/src_MD/ssMD.F
index dc205be..bf1a9b3 100644 (file)
--- a/source/unres/src_MD/ssMD.F
+++ b/source/unres/src_MD/ssMD.F
@@ -512,9 +512,13 @@ c      implicit none
 
 c     Includes
       include 'DIMENSIONS'
+#ifdef MPI
+      include "mpif.h"
+#endif
       include 'COMMON.SBRIDGE'
       include 'COMMON.CHAIN'
       include 'COMMON.IOUNITS'
+      include 'COMMON.SETUP'
 #ifndef CLUST
 #ifndef WHAM
       include 'COMMON.MD'
@@ -528,7 +532,8 @@ c     Local variables
      &     allihpb(maxdim),alljhpb(maxdim),
      &     newnss,newihpb(maxdim),newjhpb(maxdim)
       logical found
-
+      integer i_newnss(max_fg_procs),displ(max_fg_procs)
+      integer g_newihpb(maxdim),g_newjhpb(maxdim),g_newnss
 
       allnss=0
       do i=1,nres-1
@@ -576,6 +581,35 @@ cmc      write(iout,*)"ALLNSS ",allnss,(allihpb(i),alljhpb(i),i=1,allnss)
           newjhpb(newnss)=alljhpb(i)
         endif
       enddo
+
+      if (nfgtasks.gt.1)then
+
+        call MPI_Reduce(newnss,g_newnss,1,
+     &    MPI_INTEGER,MPI_SUM,king,FG_COMM,IERR)
+        call MPI_Gather(newnss,1,MPI_INTEGER,
+     &                  i_newnss,1,MPI_INTEGER,king,FG_COMM,IERR)
+        displ(0)=0
+        do i=1,nfgtasks-1,1
+          displ(i)=i_newnss(i-1)+displ(i-1)
+        enddo
+        call MPI_Gatherv(newihpb,newnss,MPI_INTEGER,
+     &                   g_newihpb,i_newnss,displ,MPI_INTEGER,
+     &                   king,FG_COMM,IERR)     
+        call MPI_Gatherv(newjhpb,newnss,MPI_INTEGER,
+     &                   g_newjhpb,i_newnss,displ,MPI_INTEGER,
+     &                   king,FG_COMM,IERR)     
+        if(fg_rank.eq.0) then
+c         print *,'g_newnss',g_newnss
+c         print *,'g_newihpb',(g_newihpb(i),i=1,g_newnss)
+c         print *,'g_newjhpb',(g_newjhpb(i),i=1,g_newnss)
+         newnss=g_newnss  
+         do i=1,newnss
+          newihpb(i)=g_newihpb(i)
+          newjhpb(i)=g_newjhpb(i)
+         enddo
+        endif
+      endif
+
       diff=newnss-nss
 
 cmc      write(iout,*)"NEWNSS ",newnss,(newihpb(i),newjhpb(i),i=1,newnss)