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QuantumPackage/plugins/local/non_h_ints_mu/tc_integ_num.irp.f
2024-02-04 19:56:23 +01:00

201 lines
8.0 KiB
Fortran

! ---
BEGIN_PROVIDER [double precision, int2_grad1_u12_ao_num , (ao_num,ao_num,n_points_final_grid,3)]
&BEGIN_PROVIDER [double precision, int2_grad1_u12_square_ao_num, (ao_num,ao_num,n_points_final_grid) ]
BEGIN_DOC
!
! int2_grad1_u12_ao_num(i,j,ipoint,:) = \int dr2 [\grad_r1 J(r1,r2)] \phi_i(r2) \phi_j(r2)
!
! int2_grad1_u12_square_ao_num = -(1/2) x int dr2 chi_l(r2) chi_j(r2) [grad_1 u(r1,r2)]^2
!
END_DOC
implicit none
integer :: ipoint, i, j, m, jpoint
integer :: n_blocks, n_rest, n_pass
integer :: i_blocks, i_rest, i_pass, ii
double precision :: time0, time1
double precision :: mem, n_double
double precision, allocatable :: tmp(:,:,:)
double precision, allocatable :: tmp_grad1_u12(:,:,:), tmp_grad1_u12_squared(:,:)
! TODO
! tmp_grad1_u12_squared get be obtained from tmp_grad1_u12
print*, ' providing int2_grad1_u12_ao_num & int2_grad1_u12_square_ao_num ...'
call wall_time(time0)
PROVIDE final_weight_at_r_vector_extra aos_in_r_array_extra
allocate(tmp(n_points_extra_final_grid,ao_num,ao_num))
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (j, i, jpoint) &
!$OMP SHARED (tmp, ao_num, n_points_extra_final_grid, final_weight_at_r_vector_extra, aos_in_r_array_extra_transp)
!$OMP DO SCHEDULE (static)
do j = 1, ao_num
do i = 1, ao_num
do jpoint = 1, n_points_extra_final_grid
tmp(jpoint,i,j) = final_weight_at_r_vector_extra(jpoint) * aos_in_r_array_extra_transp(jpoint,i) * aos_in_r_array_extra_transp(jpoint,j)
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
call total_memory(mem)
mem = max(1.d0, qp_max_mem - mem)
n_double = mem * 1.d8
n_blocks = int(min(n_double / (n_points_extra_final_grid * 4.d0), 1.d0*n_points_final_grid))
n_rest = int(mod(n_points_final_grid, n_blocks))
n_pass = int((n_points_final_grid - n_rest) / n_blocks)
call write_int(6, n_pass, 'Number of passes')
call write_int(6, n_blocks, 'Size of the blocks')
call write_int(6, n_rest, 'Size of the last block')
allocate(tmp_grad1_u12_squared(n_points_extra_final_grid,n_blocks))
allocate(tmp_grad1_u12(n_points_extra_final_grid,n_blocks,3))
do i_pass = 1, n_pass
ii = (i_pass-1)*n_blocks + 1
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i_blocks, ipoint) &
!$OMP SHARED (n_blocks, n_points_extra_final_grid, ii, &
!$OMP final_grid_points, tmp_grad1_u12, &
!$OMP tmp_grad1_u12_squared)
!$OMP DO
do i_blocks = 1, n_blocks
ipoint = ii - 1 + i_blocks ! r1
call get_grad1_u12_withsq_r1_seq(ipoint, n_points_extra_final_grid, tmp_grad1_u12(1,i_blocks,1) &
, tmp_grad1_u12(1,i_blocks,2) &
, tmp_grad1_u12(1,i_blocks,3) &
, tmp_grad1_u12_squared(1,i_blocks))
enddo
!$OMP END DO
!$OMP END PARALLEL
do m = 1, 3
call dgemm( "T", "N", ao_num*ao_num, n_blocks, n_points_extra_final_grid, 1.d0 &
, tmp(1,1,1), n_points_extra_final_grid, tmp_grad1_u12(1,1,m), n_points_extra_final_grid &
, 0.d0, int2_grad1_u12_ao_num(1,1,ii,m), ao_num*ao_num)
enddo
call dgemm( "T", "N", ao_num*ao_num, n_blocks, n_points_extra_final_grid, -0.5d0 &
, tmp(1,1,1), n_points_extra_final_grid, tmp_grad1_u12_squared(1,1), n_points_extra_final_grid &
, 0.d0, int2_grad1_u12_square_ao_num(1,1,ii), ao_num*ao_num)
enddo
deallocate(tmp_grad1_u12, tmp_grad1_u12_squared)
if(n_rest .gt. 0) then
allocate(tmp_grad1_u12_squared(n_points_extra_final_grid,n_rest))
allocate(tmp_grad1_u12(n_points_extra_final_grid,n_rest,3))
ii = n_pass*n_blocks + 1
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i_rest, ipoint) &
!$OMP SHARED (n_rest, n_points_extra_final_grid, ii, &
!$OMP final_grid_points, tmp_grad1_u12, &
!$OMP tmp_grad1_u12_squared)
!$OMP DO
do i_rest = 1, n_rest
ipoint = ii - 1 + i_rest ! r1
call get_grad1_u12_withsq_r1_seq(ipoint, n_points_extra_final_grid, tmp_grad1_u12(1,i_rest,1) &
, tmp_grad1_u12(1,i_rest,2) &
, tmp_grad1_u12(1,i_rest,3) &
, tmp_grad1_u12_squared(1,i_rest))
enddo
!$OMP END DO
!$OMP END PARALLEL
do m = 1, 3
call dgemm( "T", "N", ao_num*ao_num, n_rest, n_points_extra_final_grid, 1.d0 &
, tmp(1,1,1), n_points_extra_final_grid, tmp_grad1_u12(1,1,m), n_points_extra_final_grid &
, 0.d0, int2_grad1_u12_ao_num(1,1,ii,m), ao_num*ao_num)
enddo
call dgemm( "T", "N", ao_num*ao_num, n_rest, n_points_extra_final_grid, -0.5d0 &
, tmp(1,1,1), n_points_extra_final_grid, tmp_grad1_u12_squared(1,1), n_points_extra_final_grid &
, 0.d0, int2_grad1_u12_square_ao_num(1,1,ii), ao_num*ao_num)
deallocate(tmp_grad1_u12, tmp_grad1_u12_squared)
endif
deallocate(tmp)
call wall_time(time1)
print*, ' wall time for int2_grad1_u12_ao_num & int2_grad1_u12_square_ao_num =', time1-time0
call print_memory_usage()
END_PROVIDER
! ---
BEGIN_PROVIDER [double precision, int2_grad1_u12_ao_num_1shot , (ao_num,ao_num,n_points_final_grid,3)]
&BEGIN_PROVIDER [double precision, int2_grad1_u12_square_ao_num_1shot, (ao_num,ao_num,n_points_final_grid) ]
BEGIN_DOC
!
! int2_grad1_u12_ao_num_1shot(i,j,ipoint,:) = \int dr2 [\grad_r1 J(r1,r2)] \phi_i(r2) \phi_j(r2)
!
! int2_grad1_u12_square_ao_num_1shot = -(1/2) x int dr2 chi_l(r2) chi_j(r2) [grad_1 u(r1,r2)]^2
!
END_DOC
implicit none
integer :: ipoint, i, j, m, jpoint
double precision :: time0, time1
double precision, allocatable :: tmp(:,:,:)
print*, ' providing int2_grad1_u12_ao_num_1shot & int2_grad1_u12_square_ao_num_1shot ...'
call wall_time(time0)
PROVIDE final_weight_at_r_vector_extra aos_in_r_array_extra
PROVIDE grad1_u12_num grad1_u12_squared_num
allocate(tmp(n_points_extra_final_grid,ao_num,ao_num))
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (j, i, jpoint) &
!$OMP SHARED (tmp, ao_num, n_points_extra_final_grid, final_weight_at_r_vector_extra, aos_in_r_array_extra_transp)
!$OMP DO SCHEDULE (static)
do j = 1, ao_num
do i = 1, ao_num
do jpoint = 1, n_points_extra_final_grid
tmp(jpoint,i,j) = final_weight_at_r_vector_extra(jpoint) * aos_in_r_array_extra_transp(jpoint,i) * aos_in_r_array_extra_transp(jpoint,j)
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
do m = 1, 3
call dgemm( "T", "N", ao_num*ao_num, n_points_final_grid, n_points_extra_final_grid, 1.d0 &
, tmp(1,1,1), n_points_extra_final_grid, grad1_u12_num(1,1,m), n_points_extra_final_grid &
, 0.d0, int2_grad1_u12_ao_num_1shot(1,1,1,m), ao_num*ao_num)
enddo
FREE grad1_u12_num
call dgemm( "T", "N", ao_num*ao_num, n_points_final_grid, n_points_extra_final_grid, -0.5d0 &
, tmp(1,1,1), n_points_extra_final_grid, grad1_u12_squared_num(1,1), n_points_extra_final_grid &
, 0.d0, int2_grad1_u12_square_ao_num_1shot(1,1,1), ao_num*ao_num)
FREE grad1_u12_squared_num
deallocate(tmp)
call wall_time(time1)
print*, ' wall time for int2_grad1_u12_ao_num_1shot & int2_grad1_u12_square_ao_num_1shot =', time1-time0
call print_memory_usage()
END_PROVIDER
! ---