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adcroft |
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C $Header: $ |
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C $Name: $ |
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#include "FLT_CPPOPTIONS.h" |
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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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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 |
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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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c == global variables == |
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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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c == routine arguments == |
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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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c == local variables == |
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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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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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_RL npart_dist |
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c == end of interface == |
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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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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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c initialize buffers |
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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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icountE=0 |
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icountW=0 |
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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) |
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& stop ' max_npart_exch too low. stop in flt_exchg' |
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ic=(icountE-1)*imax |
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fltbuf_sendE(ic+1,bi,bj) = npart(ip,bi,bj) |
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fltbuf_sendE(ic+2,bi,bj) = tstart(ip,bi,bj) |
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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) |
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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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npart_tile(bi,bj) = npart_tile(bi,bj) - 1 |
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endif |
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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) |
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& stop ' max_npart_exch too low. stop in flt_exchg' |
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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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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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npart_tile(bi,bj) = npart_tile(bi,bj) - 1 |
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endif |
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enddo |
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ENDDO |
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ENDDO |
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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 before exchanging north/south 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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C-- Unpack arrays on new tiles |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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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_recvE(ic+1,bi,bj) .eq. 0.) goto 100 |
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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' |
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npart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+1,bi,bj) |
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tstart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+2,bi,bj) |
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xpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+3,bi,bj) |
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ypart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+4,bi,bj) |
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kpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+5,bi,bj) |
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kfloat(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+6,bi,bj) |
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iup(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+7,bi,bj) |
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itop(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+8,bi,bj) |
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tend(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+9,bi,bj) |
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enddo |
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100 continue |
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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' |
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npart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+1,bi,bj) |
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tstart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+2,bi,bj) |
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xpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+3,bi,bj) |
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ypart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+4,bi,bj) |
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kpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+5,bi,bj) |
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kfloat(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+6,bi,bj) |
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iup(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+7,bi,bj) |
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itop(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+8,bi,bj) |
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itop(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+8,bi,bj) |
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tend(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+9,bi,bj) |
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enddo |
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200 continue |
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ENDDO |
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ENDDO |
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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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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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c initialize buffers |
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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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icountN=0 |
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icountS=0 |
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jG = myYGlobalLo + (bj-1)*sNy |
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ylo = yc(1, 1, bi,bj) - delY(jG) |
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yhi = yc(1,sNy,bi,bj) + delY(jG+sNy-1) |
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do ip=1,npart_tile(bi,bj) |
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if (ypart(ip,bi,bj) .ge. yhi) then |
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icountN=icountN+1 |
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if (icountN .gt. max_npart_exch) |
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& stop ' max_npart_exch too low. stop in flt_exchg' |
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ic=(icountN-1)*imax |
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fltbuf_sendE(ic+1,bi,bj) = npart(ip,bi,bj) |
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fltbuf_sendE(ic+2,bi,bj) = tstart(ip,bi,bj) |
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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) |
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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) |
255 |
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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) |
257 |
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258 |
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npart_tile(bi,bj) = npart_tile(bi,bj) - 1 |
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endif |
260 |
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261 |
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if (ypart(ip,bi,bj) .le. ylo) then |
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icountS=icountS+1 |
263 |
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if (icountS .gt. max_npart_exch) |
264 |
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& stop ' max_npart_exch too low. stop in flt_exchg' |
265 |
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266 |
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ic=(icountS-1)*imax |
267 |
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fltbuf_sendW(ic+1,bi,bj) = npart(ip,bi,bj) |
268 |
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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) |
270 |
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fltbuf_sendW(ic+4,bi,bj) = ypart(ip,bi,bj) |
271 |
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fltbuf_sendW(ic+5,bi,bj) = kpart(ip,bi,bj) |
272 |
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fltbuf_sendW(ic+6,bi,bj) = kfloat(ip,bi,bj) |
273 |
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fltbuf_sendW(ic+7,bi,bj) = iup(ip,bi,bj) |
274 |
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fltbuf_sendW(ic+8,bi,bj) = itop(ip,bi,bj) |
275 |
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fltbuf_sendW(ic+9,bi,bj) = tend(ip,bi,bj) |
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277 |
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npart(ip,bi,bj) = npart(npart_tile(bi,bj),bi,bj) |
278 |
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tstart(ip,bi,bj) = tstart(npart_tile(bi,bj),bi,bj) |
279 |
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xpart(ip,bi,bj) = xpart(npart_tile(bi,bj),bi,bj) |
280 |
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ypart(ip,bi,bj) = ypart(npart_tile(bi,bj),bi,bj) |
281 |
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kpart(ip,bi,bj) = kpart(npart_tile(bi,bj),bi,bj) |
282 |
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kfloat(ip,bi,bj) = kfloat(npart_tile(bi,bj),bi,bj) |
283 |
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iup(ip,bi,bj) = iup(npart_tile(bi,bj),bi,bj) |
284 |
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itop(ip,bi,bj) = itop(npart_tile(bi,bj),bi,bj) |
285 |
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tend(ip,bi,bj) = tend(npart_tile(bi,bj),bi,bj) |
286 |
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287 |
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npart_tile(bi,bj) = npart_tile(bi,bj) - 1 |
288 |
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endif |
289 |
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290 |
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enddo |
291 |
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292 |
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ENDDO |
293 |
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ENDDO |
294 |
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295 |
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C "Put" north and south arrays. |
296 |
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CALL EXCH_RL_SEND_PUT_VEC_Y( fltbuf_sendE, fltbuf_sendW, |
297 |
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I imax2, myThid ) |
298 |
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299 |
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C Receive north and south arrays |
300 |
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CALL EXCH_RL_RECV_GET_VEC_Y( fltbuf_recvE, fltbuf_recvW, |
301 |
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I imax2, myThid ) |
302 |
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303 |
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C-- Unpack arrays on new tiles |
304 |
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305 |
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DO bj=myByLo(myThid),myByHi(myThid) |
306 |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
307 |
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308 |
|
|
do ip=1,max_npart_exch |
309 |
|
|
c |
310 |
|
|
ic=(ip-1)*imax |
311 |
|
|
if (fltbuf_recvE(ic+1,bi,bj) .eq. 0.) goto 300 |
312 |
|
|
npart_tile(bi,bj) = npart_tile(bi,bj) + 1 |
313 |
|
|
if (npart_tile(bi,bj) .gt. max_npart_tile) |
314 |
|
|
& stop ' max_npart_tile too low. stop in flt_exchg' |
315 |
|
|
|
316 |
|
|
npart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+1,bi,bj) |
317 |
|
|
tstart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+2,bi,bj) |
318 |
|
|
xpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+3,bi,bj) |
319 |
|
|
ypart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+4,bi,bj) |
320 |
|
|
kpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+5,bi,bj) |
321 |
|
|
kfloat(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+6,bi,bj) |
322 |
|
|
iup(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+7,bi,bj) |
323 |
|
|
itop(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+8,bi,bj) |
324 |
|
|
tend(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+9,bi,bj) |
325 |
|
|
|
326 |
|
|
enddo |
327 |
|
|
300 continue |
328 |
|
|
|
329 |
|
|
do ip=1,max_npart_exch |
330 |
|
|
c |
331 |
|
|
ic=(ip-1)*imax |
332 |
|
|
if (fltbuf_recvW(ic+1,bi,bj) .eq. 0.) goto 400 |
333 |
|
|
npart_tile(bi,bj) = npart_tile(bi,bj) + 1 |
334 |
|
|
if (npart_tile(bi,bj) .gt. max_npart_tile) |
335 |
|
|
& stop ' max_npart_tile too low. stop in flt_exchg' |
336 |
|
|
|
337 |
|
|
npart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+1,bi,bj) |
338 |
|
|
tstart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+2,bi,bj) |
339 |
|
|
xpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+3,bi,bj) |
340 |
|
|
ypart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+4,bi,bj) |
341 |
|
|
kpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+5,bi,bj) |
342 |
|
|
kfloat(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+6,bi,bj) |
343 |
|
|
iup(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+7,bi,bj) |
344 |
|
|
itop(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+8,bi,bj) |
345 |
|
|
tend(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+9,bi,bj) |
346 |
|
|
|
347 |
|
|
enddo |
348 |
|
|
400 continue |
349 |
|
|
|
350 |
|
|
ENDDO |
351 |
|
|
ENDDO |
352 |
|
|
|
353 |
|
|
return |
354 |
|
|
end |