2023-09-05 11:52:08 +02:00
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2024-01-15 12:05:26 +01:00
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! ---
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2023-09-05 11:52:08 +02:00
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BEGIN_PROVIDER [double precision, int2_grad1_u12_ao_num , (ao_num,ao_num,n_points_final_grid,3)]
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&BEGIN_PROVIDER [double precision, int2_grad1_u12_square_ao_num, (ao_num,ao_num,n_points_final_grid) ]
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BEGIN_DOC
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!
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! int2_grad1_u12_ao_num(i,j,ipoint,:) = \int dr2 [-1 * \grad_r1 J(r1,r2)] \phi_i(r2) \phi_j(r2)
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!
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! int2_grad1_u12_square_ao_num = -(1/2) x int dr2 chi_l(r2) chi_j(r2) [grad_1 u(r1,r2)]^2
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!
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END_DOC
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implicit none
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integer :: ipoint, i, j, m, jpoint
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integer :: n_blocks, n_rest, n_pass
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integer :: i_blocks, i_rest, i_pass, ii
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double precision :: time0, time1
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2023-09-06 19:21:14 +02:00
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double precision :: mem, n_double
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2023-09-05 11:52:08 +02:00
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double precision, allocatable :: tmp(:,:,:)
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double precision, allocatable :: tmp_grad1_u12(:,:,:), tmp_grad1_u12_squared(:,:)
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! TODO
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! tmp_grad1_u12_squared get be obtained from tmp_grad1_u12
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print*, ' providing int2_grad1_u12_ao_num & int2_grad1_u12_square_ao_num ...'
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call wall_time(time0)
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PROVIDE final_weight_at_r_vector_extra aos_in_r_array_extra
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allocate(tmp(n_points_extra_final_grid,ao_num,ao_num))
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!$OMP PARALLEL &
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!$OMP DEFAULT (NONE) &
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!$OMP PRIVATE (j, i, jpoint) &
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!$OMP SHARED (tmp, ao_num, n_points_extra_final_grid, final_weight_at_r_vector_extra, aos_in_r_array_extra_transp)
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!$OMP DO SCHEDULE (static)
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do j = 1, ao_num
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do i = 1, ao_num
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do jpoint = 1, n_points_extra_final_grid
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tmp(jpoint,i,j) = final_weight_at_r_vector_extra(jpoint) * aos_in_r_array_extra_transp(jpoint,i) * aos_in_r_array_extra_transp(jpoint,j)
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enddo
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enddo
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enddo
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!$OMP END DO
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!$OMP END PARALLEL
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2023-09-06 19:21:14 +02:00
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2023-09-05 11:52:08 +02:00
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! n_points_final_grid = n_blocks * n_pass + n_rest
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2023-09-06 19:21:14 +02:00
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call total_memory(mem)
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mem = max(1.d0, qp_max_mem - mem)
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n_double = mem * 1.d8
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2023-09-23 10:24:51 +02:00
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n_blocks = int(min(n_double / (n_points_extra_final_grid * 4.d0), 1.d0*n_points_final_grid))
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2023-09-05 11:52:08 +02:00
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n_rest = int(mod(n_points_final_grid, n_blocks))
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n_pass = int((n_points_final_grid - n_rest) / n_blocks)
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2023-09-06 19:21:14 +02:00
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call write_int(6, n_pass, 'Number of passes')
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call write_int(6, n_blocks, 'Size of the blocks')
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call write_int(6, n_rest, 'Size of the last block')
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2023-09-05 11:52:08 +02:00
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allocate(tmp_grad1_u12_squared(n_points_extra_final_grid,n_blocks))
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allocate(tmp_grad1_u12(n_points_extra_final_grid,n_blocks,3))
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do i_pass = 1, n_pass
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ii = (i_pass-1)*n_blocks + 1
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2023-09-06 19:21:14 +02:00
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!$OMP PARALLEL &
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!$OMP DEFAULT (NONE) &
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!$OMP PRIVATE (i_blocks, ipoint) &
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!$OMP SHARED (n_blocks, n_points_extra_final_grid, ii, &
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!$OMP final_grid_points, tmp_grad1_u12, &
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!$OMP tmp_grad1_u12_squared)
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!$OMP DO
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2023-09-05 11:52:08 +02:00
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do i_blocks = 1, n_blocks
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ipoint = ii - 1 + i_blocks ! r1
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call get_grad1_u12_withsq_r1_seq(final_grid_points(1,ipoint), n_points_extra_final_grid, tmp_grad1_u12(1,i_blocks,1) &
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, tmp_grad1_u12(1,i_blocks,2) &
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, tmp_grad1_u12(1,i_blocks,3) &
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, tmp_grad1_u12_squared(1,i_blocks))
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enddo
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2023-09-06 19:21:14 +02:00
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!$OMP END DO
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!$OMP END PARALLEL
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2023-09-05 11:52:08 +02:00
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do m = 1, 3
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call dgemm( "T", "N", ao_num*ao_num, n_blocks, n_points_extra_final_grid, 1.d0 &
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, tmp(1,1,1), n_points_extra_final_grid, tmp_grad1_u12(1,1,m), n_points_extra_final_grid &
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, 0.d0, int2_grad1_u12_ao_num(1,1,ii,m), ao_num*ao_num)
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enddo
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call dgemm( "T", "N", ao_num*ao_num, n_blocks, n_points_extra_final_grid, -0.5d0 &
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, tmp(1,1,1), n_points_extra_final_grid, tmp_grad1_u12_squared(1,1), n_points_extra_final_grid &
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, 0.d0, int2_grad1_u12_square_ao_num(1,1,ii), ao_num*ao_num)
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enddo
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deallocate(tmp_grad1_u12, tmp_grad1_u12_squared)
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2023-09-06 19:21:14 +02:00
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if(n_rest .gt. 0) then
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2023-09-05 11:52:08 +02:00
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allocate(tmp_grad1_u12_squared(n_points_extra_final_grid,n_rest))
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allocate(tmp_grad1_u12(n_points_extra_final_grid,n_rest,3))
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ii = n_pass*n_blocks + 1
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2023-09-06 19:21:14 +02:00
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!$OMP PARALLEL &
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!$OMP DEFAULT (NONE) &
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!$OMP PRIVATE (i_rest, ipoint) &
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!$OMP SHARED (n_rest, n_points_extra_final_grid, ii, &
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!$OMP final_grid_points, tmp_grad1_u12, &
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!$OMP tmp_grad1_u12_squared)
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!$OMP DO
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2023-09-05 11:52:08 +02:00
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do i_rest = 1, n_rest
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ipoint = ii - 1 + i_rest ! r1
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call get_grad1_u12_withsq_r1_seq(final_grid_points(1,ipoint), n_points_extra_final_grid, tmp_grad1_u12(1,i_rest,1) &
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, tmp_grad1_u12(1,i_rest,2) &
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, tmp_grad1_u12(1,i_rest,3) &
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, tmp_grad1_u12_squared(1,i_rest))
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enddo
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2023-09-06 19:21:14 +02:00
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!$OMP END DO
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!$OMP END PARALLEL
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2023-09-05 11:52:08 +02:00
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do m = 1, 3
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call dgemm( "T", "N", ao_num*ao_num, n_rest, n_points_extra_final_grid, 1.d0 &
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, tmp(1,1,1), n_points_extra_final_grid, tmp_grad1_u12(1,1,m), n_points_extra_final_grid &
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, 0.d0, int2_grad1_u12_ao_num(1,1,ii,m), ao_num*ao_num)
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enddo
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call dgemm( "T", "N", ao_num*ao_num, n_rest, n_points_extra_final_grid, -0.5d0 &
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, tmp(1,1,1), n_points_extra_final_grid, tmp_grad1_u12_squared(1,1), n_points_extra_final_grid &
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, 0.d0, int2_grad1_u12_square_ao_num(1,1,ii), ao_num*ao_num)
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deallocate(tmp_grad1_u12, tmp_grad1_u12_squared)
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endif
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deallocate(tmp)
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call wall_time(time1)
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print*, ' wall time for int2_grad1_u12_ao_num & int2_grad1_u12_square_ao_num =', time1-time0
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call print_memory_usage()
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END_PROVIDER
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! ---
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BEGIN_PROVIDER [double precision, int2_grad1_u12_ao_num_1shot , (ao_num,ao_num,n_points_final_grid,3)]
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&BEGIN_PROVIDER [double precision, int2_grad1_u12_square_ao_num_1shot, (ao_num,ao_num,n_points_final_grid) ]
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BEGIN_DOC
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!
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! int2_grad1_u12_ao_num_1shot(i,j,ipoint,:) = \int dr2 [-1 * \grad_r1 J(r1,r2)] \phi_i(r2) \phi_j(r2)
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!
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! int2_grad1_u12_square_ao_num_1shot = -(1/2) x int dr2 chi_l(r2) chi_j(r2) [grad_1 u(r1,r2)]^2
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!
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END_DOC
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implicit none
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integer :: ipoint, i, j, m, jpoint
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double precision :: time0, time1
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double precision, allocatable :: tmp(:,:,:)
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print*, ' providing int2_grad1_u12_ao_num_1shot & int2_grad1_u12_square_ao_num_1shot ...'
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call wall_time(time0)
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PROVIDE final_weight_at_r_vector_extra aos_in_r_array_extra
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PROVIDE grad1_u12_num grad1_u12_squared_num
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allocate(tmp(n_points_extra_final_grid,ao_num,ao_num))
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!$OMP PARALLEL &
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!$OMP DEFAULT (NONE) &
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!$OMP PRIVATE (j, i, jpoint) &
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!$OMP SHARED (tmp, ao_num, n_points_extra_final_grid, final_weight_at_r_vector_extra, aos_in_r_array_extra_transp)
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!$OMP DO SCHEDULE (static)
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do j = 1, ao_num
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do i = 1, ao_num
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do jpoint = 1, n_points_extra_final_grid
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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)
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enddo
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enddo
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enddo
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!$OMP END DO
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!$OMP END PARALLEL
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do m = 1, 3
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!call dgemm( "T", "N", ao_num*ao_num, n_points_final_grid, n_points_extra_final_grid, -1.d0 &
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! this work also because of the symmetry in K(1,2) and sign compensation in L(1,2,3)
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call dgemm( "T", "N", ao_num*ao_num, n_points_final_grid, n_points_extra_final_grid, +1.d0 &
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, tmp(1,1,1), n_points_extra_final_grid, grad1_u12_num(1,1,m), n_points_extra_final_grid &
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, 0.d0, int2_grad1_u12_ao_num_1shot(1,1,1,m), ao_num*ao_num)
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enddo
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FREE grad1_u12_num
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call dgemm( "T", "N", ao_num*ao_num, n_points_final_grid, n_points_extra_final_grid, -0.5d0 &
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, tmp(1,1,1), n_points_extra_final_grid, grad1_u12_squared_num(1,1), n_points_extra_final_grid &
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, 0.d0, int2_grad1_u12_square_ao_num_1shot(1,1,1), ao_num*ao_num)
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FREE grad1_u12_squared_num
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deallocate(tmp)
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call wall_time(time1)
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print*, ' wall time for int2_grad1_u12_ao_num_1shot & int2_grad1_u12_square_ao_num_1shot =', time1-time0
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call print_memory_usage()
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END_PROVIDER
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! ---
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