mirror of
https://github.com/QuantumPackage/qp2.git
synced 2024-11-08 07:03:52 +01:00
49 lines
1.1 KiB
Fortran
49 lines
1.1 KiB
Fortran
BEGIN_PROVIDER [ integer, mpi_bit_kind ]
|
|
use bitmasks
|
|
implicit none
|
|
BEGIN_DOC
|
|
! MPI bit kind type
|
|
END_DOC
|
|
IRP_IF MPI
|
|
include 'mpif.h'
|
|
if (bit_kind == 4) then
|
|
mpi_bit_kind = MPI_INTEGER4
|
|
else if (bit_kind == 8) then
|
|
mpi_bit_kind = MPI_INTEGER8
|
|
else
|
|
stop 'Wrong bit kind in mpi_bit_kind'
|
|
endif
|
|
IRP_ELSE
|
|
mpi_bit_kind = -1
|
|
IRP_ENDIF
|
|
END_PROVIDER
|
|
|
|
subroutine broadcast_chunks_bit_kind(A, LDA)
|
|
use bitmasks
|
|
implicit none
|
|
integer*8, intent(in) :: LDA
|
|
integer(bit_kind), intent(inout) :: A(LDA)
|
|
BEGIN_DOC
|
|
! Broadcast with chunks of ~2GB
|
|
END_DOC
|
|
IRP_IF MPI_DEBUG
|
|
print *, irp_here, mpi_rank
|
|
call MPI_BARRIER(MPI_COMM_WORLD, ierr)
|
|
IRP_ENDIF
|
|
IRP_IF MPI
|
|
include 'mpif.h'
|
|
integer :: i, sze, ierr
|
|
do i=1,LDA,200000000/bit_kind_size
|
|
sze = min(LDA-i+1, 200000000/bit_kind_size)
|
|
call MPI_BCAST (A(i), sze, MPI_BIT_KIND, 0, MPI_COMM_WORLD, ierr)
|
|
if (ierr /= MPI_SUCCESS) then
|
|
print *, irp_here//': Unable to broadcast chunks bit_kind', i
|
|
stop -1
|
|
endif
|
|
enddo
|
|
IRP_ENDIF
|
|
end
|
|
|
|
|
|
|