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quantum_package/plugins/Full_CI_ZMQ/fci_zmq.irp.f
2016-07-19 15:00:20 +02:00

257 lines
6.6 KiB
Fortran

program fci_zmq
implicit none
integer :: i,k
double precision, allocatable :: pt2(:), norm_pert(:), H_pert_diag(:)
integer :: N_st, degree
N_st = N_states
allocate (pt2(N_st), norm_pert(N_st),H_pert_diag(N_st))
pt2 = 1.d0
diag_algorithm = "Lapack"
if (N_det > N_det_max) then
call diagonalize_CI
call save_wavefunction
psi_det = psi_det_sorted
psi_coef = psi_coef_sorted
N_det = N_det_max
soft_touch N_det psi_det psi_coef
call diagonalize_CI
call save_wavefunction
print *, 'N_det = ', N_det
print *, 'N_states = ', N_states
print *, 'PT2 = ', pt2
print *, 'E = ', CI_energy
print *, 'E+PT2 = ', CI_energy+pt2
print *, '-----'
endif
double precision :: i_H_psi_array(N_states),diag_H_mat_elem,h,i_O1_psi_array(N_states)
double precision :: E_CI_before(N_states)
integer :: n_det_before
print*,'Beginning the selection ...'
E_CI_before = CI_energy
do while (N_det < N_det_max.and.maxval(abs(pt2(1:N_st))) > pt2_max)
n_det_before = N_det
! call H_apply_FCI(pt2, norm_pert, H_pert_diag, N_st)
call ZMQ_selection(max(N_det, 1000-N_det))
PROVIDE psi_coef
PROVIDE psi_det
PROVIDE psi_det_sorted
if (N_det > N_det_max) then
psi_det = psi_det_sorted
psi_coef = psi_coef_sorted
N_det = N_det_max
soft_touch N_det psi_det psi_coef
endif
call diagonalize_CI
call save_wavefunction
print *, 'N_det = ', N_det
print *, 'N_states = ', N_states
do k = 1, N_states
print*,'State ',k
print *, 'PT2 = ', pt2(k)
print *, 'E = ', CI_energy(k)
print *, 'E(before)+PT2 = ', E_CI_before(k)+pt2(k)
enddo
print *, '-----'
E_CI_before = CI_energy
if(N_states.gt.1)then
print*,'Variational Energy difference'
do i = 2, N_states
print*,'Delta E = ',CI_energy(i) - CI_energy(1)
enddo
endif
if(N_states.gt.1)then
print*,'Variational + perturbative Energy difference'
do i = 2, N_states
print*,'Delta E = ',E_CI_before(i)+ pt2(i) - (E_CI_before(1) + pt2(1))
enddo
endif
E_CI_before = CI_energy
call ezfio_set_full_ci_energy(CI_energy)
enddo
N_det = min(N_det_max,N_det)
touch N_det psi_det psi_coef
call diagonalize_CI
! if(do_pt2_end)then
! print*,'Last iteration only to compute the PT2'
! threshold_selectors = 1.d0
! threshold_generators = 0.999d0
! call H_apply_FCI_PT2(pt2, norm_pert, H_pert_diag, N_st)
!
! print *, 'Final step'
! print *, 'N_det = ', N_det
! print *, 'N_states = ', N_states
! print *, 'PT2 = ', pt2
! print *, 'E = ', CI_energy
! print *, 'E+PT2 = ', CI_energy+pt2
! print *, '-----'
! call ezfio_set_full_ci_energy_pt2(CI_energy+pt2)
! endif
call save_wavefunction
end
subroutine ZMQ_selection(N)
use f77_zmq
use selection_types
implicit none
character*(512) :: task
integer(ZMQ_PTR) :: zmq_to_qp_run_socket
integer, intent(in) :: N
type(selection_buffer) :: b
integer :: i
integer, external :: omp_get_thread_num
call new_parallel_job(zmq_to_qp_run_socket,'selection')
call create_selection_buffer(N, N*2, b)
do i=1, N_det_generators
write(task,*) i, N
call add_task_to_taskserver(zmq_to_qp_run_socket,task)
end do
provide nproc
!$OMP PARALLEL DEFAULT(none) SHARED(b) PRIVATE(i) NUM_THREADS(nproc+1)
i = omp_get_thread_num()
if (i==0) then
call selection_collector(b)
else
call selection_dressing_slave_inproc(i)
endif
!$OMP END PARALLEL
call end_parallel_job(zmq_to_qp_run_socket, 'selection')
call fill_H_apply_buffer_no_selection(b%cur,b%det,N_int,0) !!! PAS DE ROBIN
call copy_H_apply_buffer_to_wf()
end subroutine
subroutine selection_dressing_slave_tcp(i)
implicit none
integer, intent(in) :: i
call selection_slave(0,i)
end
subroutine selection_dressing_slave_inproc(i)
implicit none
integer, intent(in) :: i
call selection_slave(1,i)
end
! subroutine ZMQ_selection()
! use f77_zmq
! implicit none
! BEGIN_DOC
! ! Massively parallel Full-CI
! END_DOC
!
! integer :: i,ithread
! integer(ZMQ_PTR) :: zmq_socket_push
! integer(ZMQ_PTR), external :: new_zmq_push_socket
! zmq_context = f77_zmq_ctx_new ()
! PROVIDE H_apply_buffer_allocated
!
! PROVIDE ci_electronic_energy
! PROVIDE nproc
! !$OMP PARALLEL PRIVATE(i,ithread,zmq_socket_push) num_threads(nproc+1)
! ithread = omp_get_thread_num()
! if (ithread == 0) then
! call receive_selected_determinants()
! else
! zmq_socket_push = new_zmq_push_socket(1)
!
! do i=ithread,N_det_generators,nproc
! print *, i, "/", N_det_generators
! call select_connected(i, max(100, N_det), ci_electronic_energy,zmq_socket_push)
! enddo
!
! if (ithread == 1) then
! integer :: rc
! rc = f77_zmq_send(zmq_socket_push,0,1,0)
! if (rc /= 1) then
! stop 'Error sending termination signal'
! endif
! endif
! call end_zmq_push_socket(zmq_socket_push, 1)
! endif
! !$OMP END PARALLEL
! call copy_H_apply_buffer_to_wf()
! end
! program Full_CI_ZMQ
! use f77_zmq
! implicit none
! BEGIN_DOC
! ! Massively parallel Full-CI
! END_DOC
!
! integer :: i,ithread
!
! integer(ZMQ_PTR) :: zmq_socket_push
! integer(ZMQ_PTR), external :: new_zmq_push_socket
! zmq_context = f77_zmq_ctx_new ()
! PROVIDE H_apply_buffer_allocated
!
! do while (N_det < N_det_max)
!
! PROVIDE ci_electronic_energy
! PROVIDE nproc
! !$OMP PARALLEL PRIVATE(i,ithread,zmq_socket_push) num_threads(nproc+1)
! ithread = omp_get_thread_num()
! if (ithread == 0) then
! call receive_selected_determinants()
! else
! zmq_socket_push = new_zmq_push_socket(0)
!
! do i=ithread,N_det_generators,nproc
! print *, i , "/", N_det_generators
! call select_connected(i, 1.d-7, ci_electronic_energy,zmq_socket_push)
! enddo
! print *, "END .... "
!
! if (ithread == 1) then
! integer :: rc
! rc = f77_zmq_send(zmq_socket_push,0,1,0)
! if (rc /= 1) then
! stop 'Error sending termination signal'
! endif
! endif
! call end_zmq_push_socket(zmq_socket_push, 0)
! endif
! !$OMP END PARALLEL
! call copy_H_apply_buffer_to_wf()
! call diagonalize_CI()
! call save_wavefunction()
! end do
!
! end