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Added fast e_curve_qmc.irp.f

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This commit is contained in:
Anthony Scemama 2017-06-28 17:45:30 +02:00
parent 4e894dc393
commit 512c9dad07
1 changed files with 39 additions and 34 deletions
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67
plugins/QmcChem/e_curve_qmc.irp.f
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@ -5,11 +5,18 @@ program e_curve
double precision :: norm, E, hij, num, ci, cj
integer, allocatable :: iorder(:)
double precision , allocatable :: norm_sort(:)
double precision :: e_0(N_states)
PROVIDE mo_bielec_integrals_in_map
nab = n_det_alpha_unique+n_det_beta_unique
allocate ( norm_sort(0:nab), iorder(0:nab) )
double precision, allocatable :: u_t(:,:), v_t(:,:), s_t(:,:)
double precision, allocatable :: u_0(:,:), v_0(:,:)
allocate(u_t(N_states,N_det),v_t(N_states,N_det),s_t(N_states,N_det))
allocate(u_0(N_states,N_det),v_0(N_states,N_det))
norm_sort(0) = 0.d0
iorder(0) = 0
@ -59,47 +66,45 @@ program e_curve
if (thresh > norm_sort(j)) then
cycle
endif
num = 0.d0
norm = 0.d0
u_0 = psi_bilinear_matrix_values(1:N_det,1:N_states)
v_t = 0.d0
s_t = 0.d0
call dtranspose( &
u_0, &
size(u_0, 1), &
u_t, &
size(u_t, 1), &
N_det, N_states)
call H_S2_u_0_nstates_openmp_work(v_t,s_t,u_t,N_states,N_det,1,N_det,0,1)
call dtranspose( &
v_t, &
size(v_t, 1), &
v_0, &
size(v_0, 1), &
N_states, N_det)
double precision, external :: u_dot_u, u_dot_v
do i=1,N_states
e_0(i) = u_dot_v(v_t(1,i),u_0(1,i),N_det)/u_dot_u(u_0(1,i),N_det)
enddo
m = 0
!$OMP PARALLEL DEFAULT(SHARED) PRIVATE(k,kk,l,det_i,det_j,ci,cj,hij) REDUCTION(+:norm,m,num)
allocate( det_i(N_int,2), det_j(N_int,2))
!$OMP DO SCHEDULE(guided)
do k=1,n_det
if (psi_bilinear_matrix_values(k,1) == 0.d0) then
cycle
endif
ci = psi_bilinear_matrix_values(k,1)
do kk=1,N_int
det_i(kk,1) = psi_det_alpha_unique(kk,psi_bilinear_matrix_rows(k))
det_i(kk,2) = psi_det_beta_unique(kk,psi_bilinear_matrix_columns(k))
enddo
do l=1,n_det
if (psi_bilinear_matrix_values(l,1) == 0.d0) then
cycle
endif
cj = psi_bilinear_matrix_values(l,1)
do kk=1,N_int
det_j(kk,1) = psi_det_alpha_unique(kk,psi_bilinear_matrix_rows(l))
det_j(kk,2) = psi_det_beta_unique(kk,psi_bilinear_matrix_columns(l))
enddo
call i_h_j(det_i, det_j, N_int, hij)
num = num + ci*cj*hij
enddo
norm = norm + ci*ci
if (psi_bilinear_matrix_values(k,1) /= 0.d0) then
m = m+1
endif
enddo
!$OMP END DO
deallocate (det_i,det_j)
!$OMP END PARALLEL
if (m == 0) then
exit
endif
E = num / norm + nuclear_repulsion
E = E_0(1) + nuclear_repulsion
norm = u_dot_u(u_0(1,1),N_det)
print '(E9.1,2X,I8,2X,F10.2,2X,F10.8,2X,F12.6)', thresh, m, &
dble( elec_alpha_num**3 + elec_alpha_num**2 * (nab-1) ) / &
dble( elec_alpha_num**3 + elec_alpha_num**2 * (j-1)), norm, E
thresh = thresh * 2.d0
thresh = thresh * dsqrt(10.d0)
enddo
print *, '=========================================================='