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262 lines
11 KiB
262 lines
11 KiB
!!
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!! @HEADER
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!!
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!!!!**********************************************************************
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!!
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!! Zoltan Toolkit for Load-balancing, Partitioning, Ordering and Coloring
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!! Copyright 2012 Sandia Corporation
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!!
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!! Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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!! the U.S. Government retains certain rights in this software.
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!!
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!! Redistribution and use in source and binary forms, with or without
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!! modification, are permitted provided that the following conditions are
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!! met:
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!!
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!! 1. Redistributions of source code must retain the above copyright
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!! notice, this list of conditions and the following disclaimer.
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!!
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!! 2. Redistributions in binary form must reproduce the above copyright
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!! notice, this list of conditions and the following disclaimer in the
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!! documentation and/or other materials provided with the distribution.
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!!
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!! 3. Neither the name of the Corporation nor the names of the
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!! contributors may be used to endorse or promote products derived from
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!! this software without specific prior written permission.
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!!
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!! THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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!! EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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!! IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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!! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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!! CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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!! EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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!! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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!! PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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!! LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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!! NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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!! SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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!!
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!! Questions? Contact Karen Devine kddevin@sandia.gov
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!! Erik Boman egboman@sandia.gov
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!!
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!!!!**********************************************************************
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!!
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!! @HEADER
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!!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! //
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!! File: driver.cc //
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!! Project: Local HSFC Ordering //
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!! Author: Michael Wolf //
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!! Date Started: 11/02/2009 //
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!! //
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!! Description: //
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!! File tests local HSFC ordering for simple test problem //
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!! //
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!! $Id: driver.cc 11 2009-11-10 00:15:18Z mmwolf $ //
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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module zoltanRCBex
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use mpi_h
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use zoltan
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implicit none
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! Mesh data for RCB
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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integer :: numGlobObjs, numLocObjs
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integer(ZOLTAN_INT), dimension(:), allocatable :: GIDs
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real, dimension(:), allocatable :: xcoords, ycoords
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! Zoltan data to store in module
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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LOGICAL :: changes
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INTEGER(Zoltan_INT) :: numGidEntries, numLidEntries
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INTEGER(Zoltan_INT) :: numImport, numExport
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INTEGER(Zoltan_INT), POINTER, DIMENSION(:) :: importGlobalGids, exportGlobalGids
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INTEGER(Zoltan_INT), POINTER, DIMENSION(:) :: importLocalGids, exportLocalGids
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INTEGER(Zoltan_INT), POINTER, DIMENSION(:) :: importProcs, exportProcs
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INTEGER(Zoltan_INT), POINTER, DIMENSION(:) :: importToPart, exportToPart
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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contains
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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subroutine partitionMeshWithRCB()
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use zoltan
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use mpi_h
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implicit none
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!!!!!!!!!!!!!!!!!!!!!!!
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!! local variables
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!!!!!!!!!!!!!!!!!!!!!!!
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type(Zoltan_Struct), pointer :: zz_obj
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integer(ZOLTAN_INT) :: ierr
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!!!!!!!!!!!!!!!!!!!!!!!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! Body of subroutine
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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nullify(zz_obj)
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zz_obj => Zoltan_Create(MPI_COMM_WORLD)
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! General Zoltan Parameters
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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ierr = Zoltan_Set_Param(zz_obj, "LB_METHOD", "RCB")
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! register query functions
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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ierr = Zoltan_Set_Fn(zz_obj, ZOLTAN_NUM_OBJ_FN_TYPE,zoltNumObjs)
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ierr = Zoltan_Set_Fn(zz_obj, ZOLTAN_OBJ_LIST_FN_TYPE,zoltGetObjs)
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ierr = Zoltan_Set_Fn(zz_obj, ZOLTAN_NUM_GEOM_FN_TYPE,zoltNumGeom)
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ierr = Zoltan_Set_Fn(zz_obj, ZOLTAN_GEOM_FN_TYPE, zoltGeom)
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! Use Zoltan to partition the vertices in the simple mesh.
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!!
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!! Params:
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!! zz_obj -- input (all remaining fields are output)
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!! changes -- 1 if partition was changed, 0 otherwise
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!! numGidEntries -- Number of integers used for a global ID
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!! numLidEntries -- Number of integers used for a local ID
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!! numImport -- Number of vertices to be sent to me
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!! importGlobalGids -- Global IDs of vertices to be sent to me
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!! importLocalGids -- Local IDs of vertices to be sent to me
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!! importProcs -- Process rank for source of each incoming vertex
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!! importToPart -- New part for each incoming vertex
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!! numExport -- Number of vertices I must send to other processes
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!! exportGlobalGids -- Global IDs of the vertices I must send
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!! exportLocalGids -- Local IDs of the vertices I must send
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!! exportProcs -- Process to which I send each of the vertices
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!! exportToPart -- Part to which each vertex will belong
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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ierr = Zoltan_LB_Partition(zz_obj, changes, numGidEntries, numLidEntries, &
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numImport, importGlobalGids, importLocalGids, importProcs, importToPart, &
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numExport, exportGlobalGids, exportLocalGids, exportProcs, exportToPart)
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call Zoltan_Destroy(zz_obj)
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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end subroutine partitionMeshWithRCB
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! Frees arrays allocated by Zoltan_LB_Partition
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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subroutine zoltanCleanup()
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use zoltan
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implicit none
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integer :: error
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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error = Zoltan_LB_Free_Part(importGlobalGids, importLocalGids, importProcs, importToPart)
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error = Zoltan_LB_Free_Part(exportGlobalGids, exportLocalGids, exportProcs, exportToPart)
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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end subroutine zoltanCleanup
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! User defined query function to register with Zoltan
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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integer function zoltNumObjs(data, ierr)
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use zoltan
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implicit none
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! Local declarations
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INTEGER(Zoltan_INT), intent(in) :: data(*)
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integer(ZOLTAN_INT), intent(out) :: ierr
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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zoltNumObjs = numLocObjs
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ierr = ZOLTAN_OK
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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end function zoltNumObjs
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! User defined query function to register with Zoltan
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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subroutine zoltGetObjs (data, num_gid_entries, num_lid_entries, global_ids, &
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local_ids, wgt_dim, obj_wgts, ierr)
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use zoltan
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implicit none
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integer(ZOLTAN_INT), intent(in) :: data(*)
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integer(ZOLTAN_INT), intent(in) :: num_gid_entries
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integer(ZOLTAN_INT), intent(in) :: num_lid_entries
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integer(ZOLTAN_INT), intent(out) :: global_ids(*)
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integer(ZOLTAN_INT), intent(out) :: local_ids(*)
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integer(ZOLTAN_INT), intent(in) :: wgt_dim
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real(ZOLTAN_FLOAT), intent(out) :: obj_wgts(*)
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integer(ZOLTAN_INT), intent(out) :: ierr
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! local declarations
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integer :: i
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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do i= 1, numLocObjs
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global_ids(i) = GIDs(i)
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local_ids(i) = i
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end do
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ierr = ZOLTAN_OK
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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end subroutine
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! User defined query function to register with Zoltan
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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integer function zoltNumGeom(data, ierr)
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use zoltan
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implicit none
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integer(ZOLTAN_INT), intent(in) :: data(*)
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integer(ZOLTAN_INT) :: ierr
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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zoltNumGeom = 2
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ierr = ZOLTAN_OK
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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end function zoltNumGeom
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! User defined query function to register with Zoltan
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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subroutine zoltGeom(data, num_gid_entries, num_lid_entries, global_id, &
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local_id, geom_vec, ierr)
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use zoltan
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implicit none
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integer(ZOLTAN_INT), intent(in) :: data(*)
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integer(ZOLTAN_INT), intent(in) :: num_gid_entries
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integer(ZOLTAN_INT), intent(in) :: num_lid_entries
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integer(ZOLTAN_INT), intent(in) :: global_id
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integer(ZOLTAN_INT), intent(in) :: local_id
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real(ZOLTAN_DOUBLE), intent(out) :: geom_vec(*)
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integer(ZOLTAN_INT), intent(out) :: ierr
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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geom_vec(1) = xcoords(local_id)
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geom_vec(2) = ycoords(local_id)
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ierr = ZOLTAN_OK
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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end subroutine zoltGeom
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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end module zoltanRCBex
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