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mirror of https://github.com/LCPQ/quantum_package synced 2024-06-21 12:42:13 +02:00

Refactoring MRCC

This commit is contained in:
Anthony Scemama 2016-08-02 13:45:17 +02:00
parent eb15a392be
commit 33f5f44fe5

View File

@ -225,6 +225,7 @@ logical function is_generable(det1, det2, Nint)
integer, external :: searchExc
logical, external :: excEq
double precision :: phase
integer*2 :: tmp_array(4)
is_generable = .false.
call get_excitation(det1, det2, exc, degree, phase, Nint)
@ -247,19 +248,20 @@ logical function is_generable(det1, det2, Nint)
end if
if(h1 + (s1-1)*mo_tot_num < h2 + (s2-1)*mo_tot_num) then
f = searchExc(hh_exists(1,1), (/s1, h1, s2, h2/), hh_shortcut(0))
tmp_array = (/s1, h1, s2, h2/)
else
f = searchExc(hh_exists(1,1), (/s2, h2, s1, h1/), hh_shortcut(0))
tmp_array = (/s2, h2, s1, h1/)
end if
if(f == -1) return
f = searchExc(hh_exists(1,1), tmp_array, hh_shortcut(0))
if(p1 + (s1-1)*mo_tot_num < p2 + (s2-1)*mo_tot_num) then
f = searchExc(pp_exists(1,hh_shortcut(f)), (/s1, p1, s2, p2/), hh_shortcut(f+1)-hh_shortcut(f))
tmp_array = (/s1, p1, s2, p2/)
else
f = searchExc(pp_exists(1,hh_shortcut(f)), (/s2, p2, s1, p1/), hh_shortcut(f+1)-hh_shortcut(f))
tmp_array = (/s2, p2, s1, p1/)
end if
if(f /= -1) is_generable = .true.
f = searchExc(pp_exists(1,hh_shortcut(f)), tmp_array, hh_shortcut(f+1)-hh_shortcut(f))
is_generable = (f /= -1)
end function
@ -542,187 +544,189 @@ END_PROVIDER
END_PROVIDER
BEGIN_PROVIDER [ double precision, dIj_unique, (hh_shortcut(hh_shortcut(0)+1)-1, N_states) ]
implicit none
logical :: ok
integer :: i, j, k, s, II, pp, hh, ind, wk, nex, a_col, at_row
integer, external :: searchDet, unsortedSearchDet
integer(bit_kind) :: myDet(N_int, 2), myMask(N_int, 2)
integer :: N, INFO, AtA_size, r1, r2
double precision , allocatable:: B(:), AtB(:), AtA_val(:), A_val(:,:), x(:), x_new(:), A_val_mwen(:)
double precision :: t, norm, cx
integer, allocatable :: A_ind(:,:), lref(:), AtA_ind(:), A_ind_mwen(:), col_shortcut(:), N_col(:)
nex = hh_shortcut(hh_shortcut(0)+1)-1
print *, "TI", nex, N_det_non_ref
allocate(A_ind(N_det_ref+1, nex), A_val(N_det_ref+1, nex))
allocate(AtA_ind(N_det_ref * nex), AtA_val(N_det_ref * nex)) !!!!! MAY BE TOO SMALL ? !!!!!!!!
allocate(x(nex), AtB(nex))
allocate(A_val_mwen(nex), A_ind_mwen(nex))
allocate(N_col(nex), col_shortcut(nex), B(N_det_non_ref))
allocate (x_new(nex))
do s = 1, N_states
A_val = 0d0
A_ind = 0
AtA_ind = 0
AtA_val = 0d0
x = 0d0
AtB = 0d0
A_val_mwen = 0d0
A_ind_mwen = 0
N_col = 0
col_shortcut = 0
B = 0d0
x_new = 0d0
!$OMP PARALLEL DO schedule(static,10) default(none) shared(psi_non_ref, hh_exists, pp_exists, N_int, A_val, A_ind) &
!$OMP shared(s, hh_shortcut, psi_ref_coef, N_det_non_ref, psi_non_ref_sorted, psi_non_ref_sorted_idx, psi_ref, N_det_ref) &
!$OMP private(lref, pp, II, ok, myMask, myDet, ind, wk)
do hh = 1, hh_shortcut(0)
do pp = hh_shortcut(hh), hh_shortcut(hh+1)-1
allocate(lref(N_det_non_ref))
lref = 0
do II = 1, N_det_ref
call apply_hole(psi_ref(1,1,II), hh_exists(1, hh), myMask, ok, N_int)
if(.not. ok) cycle
call apply_particle(myMask, pp_exists(1, pp), myDet, ok, N_int)
if(.not. ok) cycle
ind = searchDet(psi_non_ref_sorted(1,1,1), myDet(1,1), N_det_non_ref, N_int)
if(ind /= -1) then
lref(psi_non_ref_sorted_idx(ind)) = II
end if
end do
wk = 0
do i=1, N_det_non_ref
if(lref(i) /= 0) then
wk += 1
A_val(wk, pp) = psi_ref_coef(lref(i), s)
A_ind(wk, pp) = i
end if
end do
deallocate(lref)
end do
end do
!$OMP END PARALLEL DO
AtB = 0d0
AtA_size = 0
wk = 0
col_shortcut = 0
N_col = 0
!$OMP PARALLEL DO schedule(dynamic, 100) default(none) shared(k, psi_non_ref_coef, A_ind, A_val, x, N_det_ref, nex, N_det_non_ref) &
!$OMP private(at_row, a_col, t, i, r1, r2, wk, A_ind_mwen, A_val_mwen) &
!$OMP shared(col_shortcut, N_col, AtB, AtA_size, AtA_val, AtA_ind, s)
do at_row = 1, nex
wk = 0
if(mod(at_row, 10000) == 0) print *, "AtA", at_row, "/", nex
do i=1,N_det_ref
if(A_ind(i, at_row) == 0) exit
AtB(at_row) = AtB(at_row) + psi_non_ref_coef(A_ind(i, at_row), s) * A_val(i, at_row)
end do
do a_col = 1, nex
t = 0d0
r1 = 1
r2 = 1
do while ((A_ind(r1, at_row) /= 0).and.(A_ind(r2, a_col) /= 0))
if(A_ind(r1, at_row) < A_ind(r2, a_col)) then
r1 += 1
else if(A_ind(r1, at_row) > A_ind(r2, a_col)) then
r2 += 1
else
t = t - A_val(r1, at_row) * A_val(r2, a_col)
r1 += 1
r2 += 1
end if
end do
if(a_col == at_row) then
t = (t + 1d0)
end if
if(t /= 0d0) then
wk += 1
A_ind_mwen(wk) = a_col
A_val_mwen(wk) = t
end if
end do
if(wk /= 0) then
!$OMP CRITICAL
col_shortcut(at_row) = AtA_size+1
N_col(at_row) = wk
AtA_ind(AtA_size+1:AtA_size+wk) = A_ind_mwen(:wk)
AtA_val(AtA_size+1:AtA_size+wk) = A_val_mwen(:wk)
AtA_size += wk
!$OMP END CRITICAL
end if
end do
x = AtB
if(AtA_size > size(AtA_val)) stop "SIZA"
print *, "ATA SIZE", ata_size
integer :: iproc, omp_get_thread_num
iproc = omp_get_thread_num()
do i=1,nex
x_new(i) = 0.D0
enddo
do k=0,100000
!$OMP PARALLEL DO default(shared)
do i=1,nex
x_new(i) = AtB(i)
enddo
!$OMP PARALLEL DO default(shared) private(cx, i)
do a_col = 1, nex
cx = 0d0
do i=col_shortcut(a_col), col_shortcut(a_col) + N_col(a_col) - 1
cx += x(AtA_ind(i)) * AtA_val(i)
BEGIN_PROVIDER [ double precision, dIj_unique, (hh_shortcut(hh_shortcut(0)+1)-1, N_states) ]
&BEGIN_PROVIDER [ double precision, rho_mrcc, (N_det_non_ref, N_states) ]
implicit none
logical :: ok
integer :: i, j, k, s, II, pp, hh, ind, wk, nex, a_col, at_row
integer, external :: searchDet, unsortedSearchDet
integer(bit_kind) :: myDet(N_int, 2), myMask(N_int, 2)
integer :: N, INFO, AtA_size, r1, r2
double precision , allocatable :: AtB(:), AtA_val(:), A_val(:,:), x(:), x_new(:), A_val_mwen(:)
double precision :: t, norm, cx, res
integer, allocatable :: A_ind(:,:), lref(:), AtA_ind(:), A_ind_mwen(:), col_shortcut(:), N_col(:)
nex = hh_shortcut(hh_shortcut(0)+1)-1
print *, "TI", nex, N_det_non_ref
allocate(A_ind(N_det_ref+1, nex), A_val(N_det_ref+1, nex))
allocate(AtA_ind(N_det_ref * nex), AtA_val(N_det_ref * nex)) !!!!! MAY BE TOO SMALL ? !!!!!!!!
allocate(x(nex), AtB(nex))
allocate(A_val_mwen(nex), A_ind_mwen(nex))
allocate(N_col(nex), col_shortcut(nex))
allocate (x_new(nex))
do s = 1, N_states
A_val = 0d0
A_ind = 0
AtA_ind = 0
AtA_val = 0d0
x = 0d0
A_val_mwen = 0d0
A_ind_mwen = 0
N_col = 0
col_shortcut = 0
!$OMP PARALLEL DO schedule(static,10) default(none) shared(psi_non_ref, hh_exists, pp_exists, N_int, A_val, A_ind)&
!$OMP shared(s, hh_shortcut, psi_ref_coef, N_det_non_ref, psi_non_ref_sorted, psi_non_ref_sorted_idx, psi_ref, N_det_ref)&
!$OMP private(lref, pp, II, ok, myMask, myDet, ind, wk)
do hh = 1, hh_shortcut(0)
do pp = hh_shortcut(hh), hh_shortcut(hh+1)-1
allocate(lref(N_det_non_ref))
lref = 0
do II = 1, N_det_ref
call apply_hole(psi_ref(1,1,II), hh_exists(1, hh), myMask, ok, N_int)
if(.not. ok) cycle
call apply_particle(myMask, pp_exists(1, pp), myDet, ok, N_int)
if(.not. ok) cycle
ind = searchDet(psi_non_ref_sorted(1,1,1), myDet(1,1), N_det_non_ref, N_int)
if(ind /= -1) then
lref(psi_non_ref_sorted_idx(ind)) = II
end if
end do
wk = 0
do i=1, N_det_non_ref
if(lref(i) /= 0) then
wk += 1
A_val(wk, pp) = psi_ref_coef(lref(i), s)
A_ind(wk, pp) = i
end if
end do
deallocate(lref)
end do
end do
x_new(a_col) += cx
!$OMP END PARALLEL DO
AtB = 0d0
AtA_size = 0
wk = 0
col_shortcut = 0
N_col = 0
!$OMP PARALLEL DO schedule(dynamic, 100) default(none) shared(k, psi_non_ref_coef, A_ind, A_val, x, N_det_ref, nex, N_det_non_ref)&
!$OMP private(at_row, a_col, t, i, r1, r2, wk, A_ind_mwen, A_val_mwen)&
!$OMP shared(col_shortcut, N_col, AtB, AtA_size, AtA_val, AtA_ind, s)
do at_row = 1, nex
wk = 0
if(mod(at_row, 10000) == 0) print *, "AtA", at_row, "/", nex
do i=1,N_det_ref
if(A_ind(i, at_row) == 0) exit
AtB(at_row) = AtB(at_row) + psi_non_ref_coef(A_ind(i, at_row), s) * A_val(i, at_row)
end do
do a_col = 1, nex
t = 0d0
r1 = 1
r2 = 1
do while ((A_ind(r1, at_row) /= 0).and.(A_ind(r2, a_col) /= 0))
if(A_ind(r1, at_row) < A_ind(r2, a_col)) then
r1 += 1
else if(A_ind(r1, at_row) > A_ind(r2, a_col)) then
r2 += 1
else
t = t - A_val(r1, at_row) * A_val(r2, a_col)
r1 += 1
r2 += 1
end if
end do
if(a_col == at_row) then
t = (t + 1d0)
end if
if(t /= 0d0) then
wk += 1
A_ind_mwen(wk) = a_col
A_val_mwen(wk) = t
end if
end do
if(wk /= 0) then
!$OMP CRITICAL
col_shortcut(at_row) = AtA_size+1
N_col(at_row) = wk
AtA_ind(AtA_size+1:AtA_size+wk) = A_ind_mwen(:wk)
AtA_val(AtA_size+1:AtA_size+wk) = A_val_mwen(:wk)
AtA_size += wk
!$OMP END CRITICAL
end if
end do
if(AtA_size > size(AtA_val)) stop "SIZA"
print *, "ATA SIZE", ata_size
integer :: iproc, omp_get_thread_num
iproc = omp_get_thread_num()
do i=1,nex
x(i) = AtB(i)
enddo
do k=0,100000
!$OMP PARALLEL default(shared) private(cx, i, j, a_col)
!$OMP DO
do i=1,N_det_non_ref
rho_mrcc(i,s) = 0.d0
enddo
!$OMP END DO
!$OMP DO
do a_col = 1, nex
cx = 0d0
do i=col_shortcut(a_col), col_shortcut(a_col) + N_col(a_col) - 1
cx = cx + x(AtA_ind(i)) * AtA_val(i)
end do
x_new(a_col) = AtB(a_col) + cx
end do
!$OMP END DO
!$OMP END PARALLEL
res = 0.d0
do a_col=1,nex
do j=1,N_det_non_ref
i = A_ind(j,a_col)
if (i==0) exit
rho_mrcc(i,s) = rho_mrcc(i,s) + A_val(j,a_col) * X_new(a_col)
enddo
res = res + (X_new(a_col) - X(a_col))**2
X(a_col) = X_new(a_col)
end do
if(mod(k, 100) == 0) then
print *, "residu ", k, res
end if
if(res < 1d-16) exit
end do
norm = 0.d0
do i=1,N_det_non_ref
norm = norm + rho_mrcc(i,s)*rho_mrcc(i,s)
enddo
do i=1,N_det_ref
norm = norm + psi_ref_coef(i,s)*psi_ref_coef(i,s)
enddo
print *, k, "res : ", res, "norm : ", sqrt(norm)
dIj_unique(:size(X), s) = X(:)
do i=1,N_det_non_ref
rho_mrcc(i,s) = psi_non_ref_coef(i,s) / rho_mrcc(i,s)
enddo
end do
!$OMP END PARALLEL DO
double precision :: norm_cas
norm_cas = 0d0
do i = 1, N_det_ref
norm_cas += psi_ref_coef(i,s)**2
end do
norm = 0d0
t = 0d0
do j=1, size(X)
t = t + X_new(j) * X_new(j)
end do
t = (1d0 - norm_cas ) / t
x_new = x_new * sqrt(t)
do j=1, size(X)
norm += (X_new(j) - X(j))**2
x(j) = x_new(j)
end do
if(mod(k, 100) == 0) then
print *, "residu ", k, norm, "norm t", sqrt(t)
end if
if(norm < 1d-16) exit
end do
print *, "CONVERGENCE : ", norm
dIj_unique(:size(X), s) = X(:)
end do
print *, "done"
print *, "done"
END_PROVIDER
@ -767,6 +771,7 @@ double precision function get_dij(det1, det2, s, Nint)
integer, external :: searchExc
logical, external :: excEq
double precision :: phase
integer*2 :: tmp_array(4)
get_dij = 0d0
call get_excitation(det1, det2, exc, degree, phase, Nint)
@ -787,18 +792,21 @@ double precision function get_dij(det1, det2, s, Nint)
end if
if(h1 + (s1-1)*mo_tot_num < h2 + (s2-1)*mo_tot_num) then
f = searchExc(hh_exists(1,1), (/s1, h1, s2, h2/), hh_shortcut(0))
tmp_array = (/s1, h1, s2, h2/)
else
f = searchExc(hh_exists(1,1), (/s2, h2, s1, h1/), hh_shortcut(0))
tmp_array = (/s2, h2, s1, h1/)
end if
f = searchExc(hh_exists(1,1), tmp_array, hh_shortcut(0))
if(f == -1) return
if(p1 + (s1-1)*mo_tot_num < p2 + (s2-1)*mo_tot_num) then
t = searchExc(pp_exists(1,hh_shortcut(f)), (/s1, p1, s2, p2/), hh_shortcut(f+1)-hh_shortcut(f))
tmp_array = (/s1, p1, s2, p2/)
else
t = searchExc(pp_exists(1,hh_shortcut(f)), (/s2, p2, s1, p1/), hh_shortcut(f+1)-hh_shortcut(f))
tmp_array = (/s2, p2, s1, p1/)
end if
t = searchExc(pp_exists(1,hh_shortcut(f)), tmp_array, hh_shortcut(f+1)-hh_shortcut(f))
if(t /= -1) then
get_dij = dIj_unique(t - 1 + hh_shortcut(f), s)
end if