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Code Issues Releases Wiki Activity

Chunks in broadcast

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This commit is contained in:
Anthony Scemama 2017-11-23 18:43:04 +01:00
parent 11913e211c
commit ae1cb2dfd5
3 changed files with 55 additions and 12 deletions
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1
install/scripts/install_ocaml.sh
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@ -51,6 +51,7 @@ check_version 4.6 $i
if [[ $? == 1 ]]
then
echo "GCC version $(gcc -dumpversion) too old. GCC >= 4.6 required."
rm ${QP_ROOT}/bin/opam
exit 1
fi

2
plugins/MPI/NEEDED_CHILDREN_MODULES
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@ -1 +1 @@
Determinants Utils
Determinants Utils Bitmask

64
plugins/MPI/broadcast.irp.f
View File

@ -1,3 +1,35 @@
BEGIN_TEMPLATE
subroutine broadcast_chunks_$double(A, LDA)
implicit none
integer, intent(in) :: LDA
$type, intent(inout) :: A(LDA)
use bitmasks
include 'mpif.h'
BEGIN_DOC
! Broadcast with chunks of ~2GB
END_DOC
integer :: i, sze, ierr
do i=1,LDA,2000000000/$8
sze = min(LDA-i+1, 2000000000/$8)
call MPI_BCAST (A(i), sze, MPI_$DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
print *, 'Unable to broadcast chuks $double ', i
stop -1
endif
enddo
end
SUBST [ double, type, 8, DOUBLE_PRECISION ]
double ; double precision ; 8 ; DOUBLE_PRECISION ;;
bit_kind ; integer(bit_kind) ; bit_kind_size ; BIT_KIND ;;
integer ; integer ; 4 ; INTEGER4 ;;
integer8 ; integer*8 ; 8 ; INTEGER8 ;;
END_TEMPLATE
subroutine mpi_bcast_psi(energy, size_energy)
implicit none
BEGIN_DOC
@ -5,7 +37,6 @@ subroutine mpi_bcast_psi(energy, size_energy)
END_DOC
integer, intent(in) :: size_energy
double precision, intent(inout) :: energy(size_energy)
integer :: sze
PROVIDE mpi_initialized
IRP_IF MPI
@ -35,17 +66,28 @@ subroutine mpi_bcast_psi(energy, size_energy)
endif
call MPI_BCAST (psi_det, size(psi_det), MPI_BIT_KIND, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
print *, 'Unable to broadcast psi_det'
stop -1
endif
call broadcast_chunks_bit_kind(psi_det,size(psi_det))
! integer :: i, k, sze
! do i=1,psi_det_size,1000000000/(N_int*bit_kind_size)
! sze = min(psi_det_size-i+1, 1000000000/(N_int*bit_kind_size))
! call MPI_BCAST (psi_det(1,1,i), sze*N_int*2, MPI_BIT_KIND, 0, MPI_COMM_WORLD, ierr)
! if (ierr /= MPI_SUCCESS) then
! print *, 'Unable to broadcast psi_det ', i
! stop -1
! endif
! enddo
call MPI_BCAST (psi_coef, size(psi_coef), MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
print *, 'Unable to broadcast psi_coef'
stop -1
endif
call broadcast_chunks_double(psi_coef,size(psi_coef))
! do k=1,N_states
! do i=1,psi_det_size,2000000000/8
! sze = min(psi_det_size-i+1, 2000000000/8)
! call MPI_BCAST (psi_coef(i,k), sze, MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
! if (ierr /= MPI_SUCCESS) then
! print *, 'Unable to broadcast psi_coef ', i, k
! stop -1
! endif
! enddo
! enddo
if (.not.mpi_master) then
TOUCH psi_det psi_coef