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C $Header: $ |
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C $Name: $ |
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|
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C /u/gcmpack/MITgcm/pkg/flt/flt_exchg.F,v 1.1 2001/09/13 17:43:55 adcroft Exp |
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C checkpoint52h_pre |
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|
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#include "FLT_CPPOPTIONS.h" |
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|
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subroutine flt_exchg ( |
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I myCurrentIter, |
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I myCurrentTime, |
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I myThid |
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& ) |
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|
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c ================================================================== |
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c SUBROUTINE flt_exchg |
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c ================================================================== |
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c |
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c o Exchange particles between tiles. |
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c |
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c started: Arne Biastoch |
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c |
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c changed: Antti Westerlund antti.westerlund@helsinki.fi 2004.06.10 |
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c |
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c ================================================================== |
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c SUBROUTINE flt_exchg |
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c ================================================================== |
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|
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c == global variables == |
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|
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "EESUPPORT.h" |
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#include "EXCH.h" |
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#include "FLT.h" |
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#include "GRID.h" |
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#include "PARAMS.h" |
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|
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c == routine arguments == |
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|
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INTEGER myCurrentIter, myThid |
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_RL myCurrentTime |
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INTEGER bi, bj, ic |
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character*(max_len_mbuf) msgbuf |
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|
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c == local variables == |
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|
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integer ip |
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integer icountE, icountW, icountN, icountS |
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_RL xx, yy |
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INTEGER imax, imax2, m, iG, jG |
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_RL xlo, xhi, ylo, yhi |
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parameter(imax=9) |
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parameter(imax2=imax*max_npart_exch) |
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|
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c buffer for sending/receiving variables (E/W are also used for S/N) |
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_RL fltbuf_sendE(imax2,nSx,nSy) |
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_RL fltbuf_sendW(imax2,nSx,nSy) |
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_RL fltbuf_recvE(imax2,nSx,nSy) |
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_RL fltbuf_recvW(imax2,nSx,nSy) |
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|
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_RL npart_dist |
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c == end of interface == |
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|
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caw Check if there are eastern/western tiles |
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if(Nx .ne. sNx) then |
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|
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C-- Choose floats that have to exchanged with eastern and western tiles |
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C and pack to arrays |
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|
| 71 |
|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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|
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c initialize buffers |
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|
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do m=1,imax2 |
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fltbuf_sendE(m,bi,bj) = 0. |
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fltbuf_sendW(m,bi,bj) = 0. |
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fltbuf_recvE(m,bi,bj) = 0. |
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fltbuf_recvW(m,bi,bj) = 0. |
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enddo |
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|
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icountE=0 |
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icountW=0 |
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|
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iG = myXGlobalLo + (bi-1)*sNx |
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xlo = xc(1, 1, bi,bj) - delX(iG) |
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xhi = xc(sNx,1,bi,bj) + delX(iG+sNx-1) |
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c |
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do ip=1,npart_tile(bi,bj) |
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c |
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if (xpart(ip,bi,bj) .ge. xhi) then |
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icountE=icountE+1 |
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if (icountE .gt. max_npart_exch) stop |
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& ' max_npart_exch too low. stop in flt_exchg' |
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|
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ic=(icountE-1)*imax |
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fltbuf_sendE(ic+1,bi,bj) = npart(ip,bi,bj) |
| 100 |
fltbuf_sendE(ic+2,bi,bj) = tstart(ip,bi,bj) |
| 101 |
fltbuf_sendE(ic+3,bi,bj) = xpart(ip,bi,bj) |
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fltbuf_sendE(ic+4,bi,bj) = ypart(ip,bi,bj) |
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fltbuf_sendE(ic+5,bi,bj) = kpart(ip,bi,bj) |
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fltbuf_sendE(ic+6,bi,bj) = kfloat(ip,bi,bj) |
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fltbuf_sendE(ic+7,bi,bj) = iup(ip,bi,bj) |
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fltbuf_sendE(ic+8,bi,bj) = itop(ip,bi,bj) |
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fltbuf_sendE(ic+9,bi,bj) = tend(ip,bi,bj) |
| 108 |
|
| 109 |
npart(ip,bi,bj) = npart(npart_tile(bi,bj),bi,bj) |
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tstart(ip,bi,bj) = tstart(npart_tile(bi,bj),bi,bj) |
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xpart(ip,bi,bj) = xpart(npart_tile(bi,bj),bi,bj) |
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ypart(ip,bi,bj) = ypart(npart_tile(bi,bj),bi,bj) |
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kpart(ip,bi,bj) = kpart(npart_tile(bi,bj),bi,bj) |
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kfloat(ip,bi,bj) = kfloat(npart_tile(bi,bj),bi,bj) |
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iup(ip,bi,bj) = iup(npart_tile(bi,bj),bi,bj) |
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itop(ip,bi,bj) = itop(npart_tile(bi,bj),bi,bj) |
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tend(ip,bi,bj) = tend(npart_tile(bi,bj),bi,bj) |
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|
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npart_tile(bi,bj) = npart_tile(bi,bj) - 1 |
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|
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endif |
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|
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if (xpart(ip,bi,bj) .le. xlo) then |
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icountW=icountW+1 |
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if (icountW .gt. max_npart_exch) stop |
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& ' max_npart_exch too low. stop in flt_exchg' |
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|
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ic=(icountW-1)*imax |
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fltbuf_sendW(ic+1,bi,bj) = npart(ip,bi,bj) |
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fltbuf_sendW(ic+2,bi,bj) = tstart(ip,bi,bj) |
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fltbuf_sendW(ic+3,bi,bj) = xpart(ip,bi,bj) |
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fltbuf_sendW(ic+4,bi,bj) = ypart(ip,bi,bj) |
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fltbuf_sendW(ic+5,bi,bj) = kpart(ip,bi,bj) |
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fltbuf_sendW(ic+6,bi,bj) = kfloat(ip,bi,bj) |
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fltbuf_sendW(ic+7,bi,bj) = iup(ip,bi,bj) |
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fltbuf_sendW(ic+8,bi,bj) = itop(ip,bi,bj) |
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fltbuf_sendW(ic+9,bi,bj) = tend(ip,bi,bj) |
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|
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npart(ip,bi,bj) = npart(npart_tile(bi,bj),bi,bj) |
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tstart(ip,bi,bj) = tstart(npart_tile(bi,bj),bi,bj) |
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xpart(ip,bi,bj) = xpart(npart_tile(bi,bj),bi,bj) |
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ypart(ip,bi,bj) = ypart(npart_tile(bi,bj),bi,bj) |
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kpart(ip,bi,bj) = kpart(npart_tile(bi,bj),bi,bj) |
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kfloat(ip,bi,bj) = kfloat(npart_tile(bi,bj),bi,bj) |
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iup(ip,bi,bj) = iup(npart_tile(bi,bj),bi,bj) |
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itop(ip,bi,bj) = itop(npart_tile(bi,bj),bi,bj) |
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tend(ip,bi,bj) = tend(npart_tile(bi,bj),bi,bj) |
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|
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npart_tile(bi,bj) = npart_tile(bi,bj) - 1 |
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|
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endif |
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|
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enddo |
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ENDDO |
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ENDDO |
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|
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C-- "Put" east and west edges. |
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CALL EXCH_RL_SEND_PUT_VEC_X( fltbuf_sendE, fltbuf_sendW, |
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I imax2, myThid ) |
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C-- Receive east/west arrays |
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CALL EXCH_RL_RECV_GET_VEC_X( fltbuf_recvE, fltbuf_recvW, |
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I imax2, myThid ) |
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|
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C-- Unpack arrays on new tiles |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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|
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do ip=1,max_npart_exch |
| 170 |
c |
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ic=(ip-1)*imax |
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if (fltbuf_recvE(ic+1,bi,bj) .eq. 0.) goto 100 |
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npart_tile(bi,bj) = npart_tile(bi,bj) + 1 |
| 174 |
if (npart_tile(bi,bj) .gt. max_npart_tile) |
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& stop ' max_npart_tile too low. stop in flt_exchg' |
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|
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npart(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvE(ic+1,bi,bj) |
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tstart(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvE(ic+2,bi,bj) |
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xpart(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvE(ic+3,bi,bj) |
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ypart(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvE(ic+4,bi,bj) |
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kpart(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvE(ic+5,bi,bj) |
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kfloat(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvE(ic+6,bi,bj) |
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iup(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvE(ic+7,bi,bj) |
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itop(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvE(ic+8,bi,bj) |
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tend(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvE(ic+9,bi,bj) |
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|
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enddo |
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100 continue |
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|
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do ip=1,max_npart_exch |
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c |
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ic=(ip-1)*imax |
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if (fltbuf_recvW(ic+1,bi,bj) .eq. 0.) goto 200 |
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npart_tile(bi,bj) = npart_tile(bi,bj) + 1 |
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if (npart_tile(bi,bj) .gt. max_npart_tile) |
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& stop ' max_npart_tile too low. stop in flt_exchg' |
| 206 |
|
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npart(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvW(ic+1,bi,bj) |
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tstart(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvW(ic+2,bi,bj) |
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xpart(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvW(ic+3,bi,bj) |
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ypart(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvW(ic+4,bi,bj) |
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kpart(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvW(ic+5,bi,bj) |
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kfloat(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvW(ic+6,bi,bj) |
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iup(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvW(ic+7,bi,bj) |
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itop(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvW(ic+8,bi,bj) |
| 223 |
itop(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvW(ic+8,bi,bj) |
| 225 |
tend(npart_tile(bi,bj),bi,bj) = |
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& fltbuf_recvW(ic+9,bi,bj) |
| 227 |
|
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enddo |
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200 continue |
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|
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ENDDO |
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ENDDO |
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|
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caw end tile check |
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endif |
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|
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C-- Choose floats that have to exchanged with northern and southern tiles |
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C and pack to arrays |
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|
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caw Check if there are northern/southern tiles |
| 241 |
if(Ny .ne. sNy) then |
| 242 |
|
| 243 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 244 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 245 |
|
| 246 |
c initialize buffers |
| 247 |
|
| 248 |
do m=1,imax2 |
| 249 |
fltbuf_sendE(m,bi,bj) = 0. |
| 250 |
fltbuf_sendW(m,bi,bj) = 0. |
| 251 |
fltbuf_recvE(m,bi,bj) = 0. |
| 252 |
fltbuf_recvW(m,bi,bj) = 0. |
| 253 |
enddo |
| 254 |
|
| 255 |
icountN=0 |
| 256 |
icountS=0 |
| 257 |
|
| 258 |
jG = myYGlobalLo + (bj-1)*sNy |
| 259 |
ylo = yc(1, 1, bi,bj) - delY(jG) |
| 260 |
yhi = yc(1,sNy,bi,bj) + delY(jG+sNy-1) |
| 261 |
|
| 262 |
do ip=1,npart_tile(bi,bj) |
| 263 |
|
| 264 |
if (ypart(ip,bi,bj) .ge. yhi) then |
| 265 |
icountN=icountN+1 |
| 266 |
if (icountN .gt. max_npart_exch) stop |
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& ' max_npart_exch too low. stop in flt_exchg' |
| 268 |
|
| 269 |
ic=(icountN-1)*imax |
| 270 |
fltbuf_sendE(ic+1,bi,bj) = npart(ip,bi,bj) |
| 271 |
fltbuf_sendE(ic+2,bi,bj) = tstart(ip,bi,bj) |
| 272 |
fltbuf_sendE(ic+3,bi,bj) = xpart(ip,bi,bj) |
| 273 |
fltbuf_sendE(ic+4,bi,bj) = ypart(ip,bi,bj) |
| 274 |
fltbuf_sendE(ic+5,bi,bj) = kpart(ip,bi,bj) |
| 275 |
fltbuf_sendE(ic+6,bi,bj) = kfloat(ip,bi,bj) |
| 276 |
fltbuf_sendE(ic+7,bi,bj) = iup(ip,bi,bj) |
| 277 |
fltbuf_sendE(ic+8,bi,bj) = itop(ip,bi,bj) |
| 278 |
fltbuf_sendE(ic+9,bi,bj) = tend(ip,bi,bj) |
| 279 |
|
| 280 |
npart(ip,bi,bj) = npart(npart_tile(bi,bj),bi,bj) |
| 281 |
tstart(ip,bi,bj) = tstart(npart_tile(bi,bj),bi,bj) |
| 282 |
xpart(ip,bi,bj) = xpart(npart_tile(bi,bj),bi,bj) |
| 283 |
ypart(ip,bi,bj) = ypart(npart_tile(bi,bj),bi,bj) |
| 284 |
kpart(ip,bi,bj) = kpart(npart_tile(bi,bj),bi,bj) |
| 285 |
kfloat(ip,bi,bj) = kfloat(npart_tile(bi,bj),bi,bj) |
| 286 |
iup(ip,bi,bj) = iup(npart_tile(bi,bj),bi,bj) |
| 287 |
itop(ip,bi,bj) = itop(npart_tile(bi,bj),bi,bj) |
| 288 |
tend(ip,bi,bj) = tend(npart_tile(bi,bj),bi,bj) |
| 289 |
|
| 290 |
npart_tile(bi,bj) = npart_tile(bi,bj) - 1 |
| 291 |
endif |
| 292 |
|
| 293 |
if (ypart(ip,bi,bj) .le. ylo) then |
| 294 |
icountS=icountS+1 |
| 295 |
if (icountS .gt. max_npart_exch) stop |
| 296 |
& ' max_npart_exch too low. stop in flt_exchg' |
| 297 |
|
| 298 |
ic=(icountS-1)*imax |
| 299 |
fltbuf_sendW(ic+1,bi,bj) = npart(ip,bi,bj) |
| 300 |
fltbuf_sendW(ic+2,bi,bj) = tstart(ip,bi,bj) |
| 301 |
fltbuf_sendW(ic+3,bi,bj) = xpart(ip,bi,bj) |
| 302 |
fltbuf_sendW(ic+4,bi,bj) = ypart(ip,bi,bj) |
| 303 |
fltbuf_sendW(ic+5,bi,bj) = kpart(ip,bi,bj) |
| 304 |
fltbuf_sendW(ic+6,bi,bj) = kfloat(ip,bi,bj) |
| 305 |
fltbuf_sendW(ic+7,bi,bj) = iup(ip,bi,bj) |
| 306 |
fltbuf_sendW(ic+8,bi,bj) = itop(ip,bi,bj) |
| 307 |
fltbuf_sendW(ic+9,bi,bj) = tend(ip,bi,bj) |
| 308 |
|
| 309 |
npart(ip,bi,bj) = npart(npart_tile(bi,bj),bi,bj) |
| 310 |
tstart(ip,bi,bj) = tstart(npart_tile(bi,bj),bi,bj) |
| 311 |
xpart(ip,bi,bj) = xpart(npart_tile(bi,bj),bi,bj) |
| 312 |
ypart(ip,bi,bj) = ypart(npart_tile(bi,bj),bi,bj) |
| 313 |
kpart(ip,bi,bj) = kpart(npart_tile(bi,bj),bi,bj) |
| 314 |
kfloat(ip,bi,bj) = kfloat(npart_tile(bi,bj),bi,bj) |
| 315 |
iup(ip,bi,bj) = iup(npart_tile(bi,bj),bi,bj) |
| 316 |
itop(ip,bi,bj) = itop(npart_tile(bi,bj),bi,bj) |
| 317 |
tend(ip,bi,bj) = tend(npart_tile(bi,bj),bi,bj) |
| 318 |
|
| 319 |
npart_tile(bi,bj) = npart_tile(bi,bj) - 1 |
| 320 |
endif |
| 321 |
|
| 322 |
enddo |
| 323 |
|
| 324 |
ENDDO |
| 325 |
ENDDO |
| 326 |
|
| 327 |
C "Put" north and south arrays. |
| 328 |
CALL EXCH_RL_SEND_PUT_VEC_Y( fltbuf_sendE, fltbuf_sendW, |
| 329 |
I imax2, myThid ) |
| 330 |
|
| 331 |
C Receive north and south arrays |
| 332 |
CALL EXCH_RL_RECV_GET_VEC_Y( fltbuf_recvE, fltbuf_recvW, |
| 333 |
I imax2, myThid ) |
| 334 |
|
| 335 |
C-- Unpack arrays on new tiles |
| 336 |
|
| 337 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 338 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 339 |
|
| 340 |
do ip=1,max_npart_exch |
| 341 |
c |
| 342 |
ic=(ip-1)*imax |
| 343 |
if (fltbuf_recvE(ic+1,bi,bj) .eq. 0.) goto 300 |
| 344 |
npart_tile(bi,bj) = npart_tile(bi,bj) + 1 |
| 345 |
if (npart_tile(bi,bj) .gt. max_npart_tile) |
| 346 |
& stop ' max_npart_tile too low. stop in flt_exchg' |
| 347 |
|
| 348 |
npart(npart_tile(bi,bj),bi,bj) = |
| 349 |
& fltbuf_recvE(ic+1,bi,bj) |
| 350 |
tstart(npart_tile(bi,bj),bi,bj) = |
| 351 |
& fltbuf_recvE(ic+2,bi,bj) |
| 352 |
xpart(npart_tile(bi,bj),bi,bj) = |
| 353 |
& fltbuf_recvE(ic+3,bi,bj) |
| 354 |
ypart(npart_tile(bi,bj),bi,bj) = |
| 355 |
& fltbuf_recvE(ic+4,bi,bj) |
| 356 |
kpart(npart_tile(bi,bj),bi,bj) = |
| 357 |
& fltbuf_recvE(ic+5,bi,bj) |
| 358 |
kfloat(npart_tile(bi,bj),bi,bj) = |
| 359 |
& fltbuf_recvE(ic+6,bi,bj) |
| 360 |
iup(npart_tile(bi,bj),bi,bj) = |
| 361 |
& fltbuf_recvE(ic+7,bi,bj) |
| 362 |
itop(npart_tile(bi,bj),bi,bj) = |
| 363 |
& fltbuf_recvE(ic+8,bi,bj) |
| 364 |
tend(npart_tile(bi,bj),bi,bj) = |
| 365 |
& fltbuf_recvE(ic+9,bi,bj) |
| 366 |
|
| 367 |
enddo |
| 368 |
300 continue |
| 369 |
|
| 370 |
do ip=1,max_npart_exch |
| 371 |
c |
| 372 |
ic=(ip-1)*imax |
| 373 |
if (fltbuf_recvW(ic+1,bi,bj) .eq. 0.) goto 400 |
| 374 |
npart_tile(bi,bj) = npart_tile(bi,bj) + 1 |
| 375 |
if (npart_tile(bi,bj) .gt. max_npart_tile) |
| 376 |
& stop ' max_npart_tile too low. stop in flt_exchg' |
| 377 |
|
| 378 |
npart(npart_tile(bi,bj),bi,bj) = |
| 379 |
& fltbuf_recvW(ic+1,bi,bj) |
| 380 |
tstart(npart_tile(bi,bj),bi,bj) = |
| 381 |
& fltbuf_recvW(ic+2,bi,bj) |
| 382 |
xpart(npart_tile(bi,bj),bi,bj) = |
| 383 |
& fltbuf_recvW(ic+3,bi,bj) |
| 384 |
ypart(npart_tile(bi,bj),bi,bj) = |
| 385 |
& fltbuf_recvW(ic+4,bi,bj) |
| 386 |
kpart(npart_tile(bi,bj),bi,bj) = |
| 387 |
& fltbuf_recvW(ic+5,bi,bj) |
| 388 |
kfloat(npart_tile(bi,bj),bi,bj) = |
| 389 |
& fltbuf_recvW(ic+6,bi,bj) |
| 390 |
iup(npart_tile(bi,bj),bi,bj) = |
| 391 |
& fltbuf_recvW(ic+7,bi,bj) |
| 392 |
itop(npart_tile(bi,bj),bi,bj) = |
| 393 |
& fltbuf_recvW(ic+8,bi,bj) |
| 394 |
tend(npart_tile(bi,bj),bi,bj) = |
| 395 |
& fltbuf_recvW(ic+9,bi,bj) |
| 396 |
|
| 397 |
enddo |
| 398 |
400 continue |
| 399 |
|
| 400 |
ENDDO |
| 401 |
ENDDO |
| 402 |
|
| 403 |
caw end tile check |
| 404 |
endif |
| 405 |
|
| 406 |
return |
| 407 |
end |
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