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C Copyright (c) 2003-2010 University of Florida
C
C This program is free software; you can redistribute it and/or modify
C it under the terms of the GNU General Public License as published by
C the Free Software Foundation; either version 2 of the License, or
C (at your option) any later version.
C This program is distributed in the hope that it will be useful,
C but WITHOUT ANY WARRANTY; without even the implied warranty of
C MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
C GNU General Public License for more details.
C The GNU General Public License is included in this distribution
C in the file COPYRIGHT.
subroutine broadcast_array(array_table, narray_table,
* index_table,
* nindex_table, segment_table, nsegment_table,
* block_map_table, nblock_map_table,
* scalar_table, nscalar_table,
* address_table, op)
c---------------------------------------------------------------------------
c Broadcasts the static array in the "result" field of the instruction
c to each processor in the company. The copy of the array on proc 0
c is the data that is broadcast.
c----------------------------------------------------------------------------
implicit none
include 'interpreter.h'
include 'mpif.h'
include 'trace.h'
include 'parallel_info.h'
include 'dbugcom.h'
include 'machine_types.h'
#ifdef ALTIX
include 'sheap.h'
#endif
integer narray_table, nindex_table, nsegment_table,
* nblock_map_table
integer op(loptable_entry)
integer array_table(larray_table_entry, narray_table)
integer index_table(lindex_table_entry, nindex_table)
integer segment_table(lsegment_table_entry, nsegment_table)
integer block_map_table(lblock_map_entry, nblock_map_table)
integer nscalar_table
double precision scalar_table(nscalar_table)
integer*8 address_table(narray_table)
integer ierr, array, array_type, ind
integer i
double precision x(1)
#ifdef ALTIX
pointer (ptr, x)
#else
common x
#endif
integer*8 daddr, indx
integer*8 get_index_from_base
integer n, nindex, val1, val2
integer company_comm, pst_get_company_comm
#ifdef ALTIX
ptr = dshptr
#endif
array = op(c_result_array)
array_type = array_table(c_array_type, array)
if (array_type .ne. static_array) then
print *,'Error in broadcast_array: Arg must be a static array'
call abort_job()
endif
if (array .lt. 1 .or. array .gt. narray_table) then
print *,'Error: Invalid array in get_my_rank, line ',
* current_line
print *,'Array index is ',array,' Allowable values are ',
* ' 1 through ',narray_table
call abort_job()
endif
c---------------------------------------------------------------------------
c Locate the array's memory and determine the size of the array.
c---------------------------------------------------------------------------
daddr = address_table(array)
indx = get_index_from_base(daddr, x, 2)
nindex = array_table(c_nindex,array)
n = 1
do i = 1, nindex
val1 = array_table(c_index_range1+i-1,array)
val2 = array_table(c_index_range2+i-1,array)
n = n * (val2-val1+1)
enddo
c----------------------------------------------------------------------------
c Broadcast the data.
c----------------------------------------------------------------------------
company_comm = pst_get_company_comm(me)
call mpi_bcast(x(indx), n, MPI_DOUBLE_PRECISION, 0,
* company_comm, ierr)
return
end
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