mirror of
https://github.com/LCPQ/quantum_package
synced 2024-06-30 00:44:28 +02:00
215 lines
6.3 KiB
Fortran
215 lines
6.3 KiB
Fortran
program fci_zmq
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implicit none
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integer :: i,j,k
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logical, external :: detEq
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double precision, allocatable :: pt2(:), norm_pert(:), H_pert_diag(:)
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integer :: N_st, degree
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integer(bit_kind) :: chk
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N_st = N_states
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allocate (pt2(N_st), norm_pert(N_st),H_pert_diag(N_st))
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pt2 = 1.d0
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diag_algorithm = "Lapack"
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if (N_det > N_det_max) then
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call diagonalize_CI
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call save_wavefunction
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psi_det = psi_det_sorted
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psi_coef = psi_coef_sorted
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N_det = N_det_max
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soft_touch N_det psi_det psi_coef
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call diagonalize_CI
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call save_wavefunction
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print *, 'N_det = ', N_det
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print *, 'N_states = ', N_states
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print *, 'PT2 = ', pt2
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print *, 'E = ', CI_energy
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print *, 'E+PT2 = ', CI_energy+pt2
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print *, '-----'
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endif
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double precision :: i_H_psi_array(N_states),diag_H_mat_elem,h,i_O1_psi_array(N_states)
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double precision :: E_CI_before(N_states)
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integer :: n_det_before
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print*,'Beginning the selection ...'
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E_CI_before = CI_energy
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do while (N_det < N_det_max.and.maxval(abs(pt2(1:N_st))) > pt2_max)
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n_det_before = N_det
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call ZMQ_selection(max(1024-N_det, N_det), pt2)
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PROVIDE psi_coef
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PROVIDE psi_det
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PROVIDE psi_det_sorted
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if (N_det > N_det_max) then
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psi_det = psi_det_sorted
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psi_coef = psi_coef_sorted
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N_det = N_det_max
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soft_touch N_det psi_det psi_coef
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endif
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call diagonalize_CI
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call save_wavefunction
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print *, 'N_det = ', N_det
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print *, 'N_states = ', N_states
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do k = 1, N_states
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print*,'State ',k
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print *, 'PT2 = ', pt2(k)
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print *, 'E = ', CI_energy(k)
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print *, 'E(before)+PT2 = ', E_CI_before(k)+pt2(k)
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enddo
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print *, '-----'
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E_CI_before = CI_energy
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if(N_states.gt.1)then
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print*,'Variational Energy difference'
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do i = 2, N_states
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print*,'Delta E = ',CI_energy(i) - CI_energy(1)
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enddo
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endif
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if(N_states.gt.1)then
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print*,'Variational + perturbative Energy difference'
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do i = 2, N_states
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print*,'Delta E = ',E_CI_before(i)+ pt2(i) - (E_CI_before(1) + pt2(1))
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enddo
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endif
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E_CI_before = CI_energy
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call ezfio_set_full_ci_energy(CI_energy)
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enddo
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N_det = min(N_det_max,N_det)
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touch N_det psi_det psi_coef
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call diagonalize_CI
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if(do_pt2_end)then
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print*,'Last iteration only to compute the PT2'
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threshold_selectors = 1.d0
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threshold_generators = 0.9999d0
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E_CI_before = CI_energy
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call ZMQ_selection(1, pt2)
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print *, 'Final step'
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print *, 'N_det = ', N_det
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print *, 'N_states = ', N_states
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print *, 'PT2 = ', pt2
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print *, 'E = ', E_CI_before
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print *, 'E+PT2 = ', E_CI_before+pt2
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print *, '-----'
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call ezfio_set_full_ci_energy_pt2(E_CI_before+pt2)
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endif
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call save_wavefunction
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end
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subroutine ZMQ_selection(N, pt2)
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use f77_zmq
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use selection_types
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implicit none
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character*(512) :: task
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integer(ZMQ_PTR) :: zmq_to_qp_run_socket
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integer, intent(in) :: N
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type(selection_buffer) :: b
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integer :: i
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integer, external :: omp_get_thread_num
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double precision, intent(out) :: pt2(N_states)
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provide nproc
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provide ci_electronic_energy
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call new_parallel_job(zmq_to_qp_run_socket,"selection")
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call zmq_put_psi(zmq_to_qp_run_socket,1,ci_electronic_energy,size(ci_electronic_energy))
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call zmq_set_running(zmq_to_qp_run_socket)
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call create_selection_buffer(N, N*2, b)
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integer :: i_generator, i_generator_start, i_generator_max, step
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! step = int(max(1.,10*elec_num/mo_tot_num)
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step = int(10000000.d0 / dble(N_int * N_states * elec_num * elec_num * mo_tot_num * mo_tot_num ))
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step = max(1,step)
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do i= N_det_generators, 1, -step
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i_generator_start = max(i-step+1,1)
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i_generator_max = i
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write(task,*) i_generator_start, i_generator_max, 1, N
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call add_task_to_taskserver(zmq_to_qp_run_socket,task)
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end do
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!$OMP PARALLEL DEFAULT(none) SHARED(b, pt2) PRIVATE(i) NUM_THREADS(nproc+1) shared(ci_electronic_energy_is_built, n_det_generators_is_built, n_states_is_built, n_int_is_built, nproc_is_built)
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i = omp_get_thread_num()
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if (i==0) then
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call selection_collector(b, pt2)
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else
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call selection_dressing_slave_inproc(i)
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endif
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!$OMP END PARALLEL
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call end_parallel_job(zmq_to_qp_run_socket, 'selection')
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call fill_H_apply_buffer_no_selection(b%cur,b%det,N_int,0) !!! PAS DE ROBIN
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call copy_H_apply_buffer_to_wf()
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end subroutine
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subroutine selection_dressing_slave_inproc(i)
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implicit none
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integer, intent(in) :: i
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call run_selection_slave(1,i,ci_electronic_energy)
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end
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subroutine selection_collector(b, pt2)
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use f77_zmq
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use selection_types
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use bitmasks
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implicit none
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type(selection_buffer), intent(inout) :: b
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double precision, intent(out) :: pt2(N_states)
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double precision :: pt2_mwen(N_states)
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integer(ZMQ_PTR),external :: new_zmq_to_qp_run_socket
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integer(ZMQ_PTR) :: zmq_to_qp_run_socket
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integer(ZMQ_PTR), external :: new_zmq_pull_socket
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integer(ZMQ_PTR) :: zmq_socket_pull
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integer :: msg_size, rc, more
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integer :: acc, i, j, robin, N, ntask
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double precision, allocatable :: val(:)
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integer(bit_kind), allocatable :: det(:,:,:)
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integer, allocatable :: task_id(:)
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integer :: done
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real :: time, time0
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zmq_to_qp_run_socket = new_zmq_to_qp_run_socket()
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zmq_socket_pull = new_zmq_pull_socket()
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allocate(val(b%N), det(N_int, 2, b%N), task_id(N_det))
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done = 0
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more = 1
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pt2(:) = 0d0
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call CPU_TIME(time0)
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do while (more == 1)
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call pull_selection_results(zmq_socket_pull, pt2_mwen, val(1), det(1,1,1), N, task_id, ntask)
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pt2 += pt2_mwen
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do i=1, N
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call add_to_selection_buffer(b, det(1,1,i), val(i))
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end do
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do i=1, ntask
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if(task_id(i) == 0) then
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print *, "Error in collector"
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endif
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call zmq_delete_task(zmq_to_qp_run_socket,zmq_socket_pull,task_id(i),more)
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end do
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done += ntask
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call CPU_TIME(time)
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! print *, "DONE" , done, time - time0
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end do
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call end_zmq_to_qp_run_socket(zmq_to_qp_run_socket)
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call end_zmq_pull_socket(zmq_socket_pull)
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call sort_selection_buffer(b)
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end subroutine
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