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QuantumPackage/plugins/local/tc_int/deb_int_2e_ao_gpu.irp.f
2024-08-08 23:41:03 +02:00

283 lines
9.7 KiB
Fortran

! ---
subroutine deb_int_2e_ao_gpu()
use cutc_module
implicit none
integer :: m
integer :: i, j, k, l
integer :: ipoint, jpoint
double precision :: weight1, ao_i_r, ao_k_r
double precision :: acc_thr, err_tot, nrm_tot, err_loc
double precision :: time0, time1
double precision :: wall_time0, wall_time1
double precision :: wall_ttime0, wall_ttime1
double precision :: tt1, tt2
double precision, allocatable :: rn(:,:), aos_data1(:,:,:), aos_data2(:,:,:)
double precision, allocatable :: grad1_u12(:,:,:), int_fct_long_range(:,:,:), c_mat(:,:,:)
double precision, allocatable :: int2_grad1_u12_ao(:,:,:,:)
double precision, allocatable :: int2_grad1_u12_ao_gpu(:,:,:,:)
double precision, allocatable :: int_2e_ao(:,:,:,:)
double precision, allocatable :: int_2e_ao_gpu(:,:,:,:)
call wall_time(time0)
print*, ' start deb_int_2e_ao_gpu'
! ---
allocate(rn(3,nucl_num))
allocate(aos_data1(n_points_final_grid,ao_num,4))
allocate(aos_data2(n_points_extra_final_grid,ao_num,4))
do k = 1, nucl_num
rn(1,k) = nucl_coord(k,1)
rn(2,k) = nucl_coord(k,2)
rn(3,k) = nucl_coord(k,3)
enddo
do k = 1, ao_num
do ipoint = 1, n_points_final_grid
aos_data1(ipoint,k,1) = aos_in_r_array(k,ipoint)
aos_data1(ipoint,k,2) = aos_grad_in_r_array(k,ipoint,1)
aos_data1(ipoint,k,3) = aos_grad_in_r_array(k,ipoint,2)
aos_data1(ipoint,k,4) = aos_grad_in_r_array(k,ipoint,3)
enddo
enddo
do k = 1, ao_num
do ipoint = 1, n_points_extra_final_grid
aos_data2(ipoint,k,1) = aos_in_r_array_extra(k,ipoint)
aos_data2(ipoint,k,2) = aos_grad_in_r_array_extra(k,ipoint,1)
aos_data2(ipoint,k,3) = aos_grad_in_r_array_extra(k,ipoint,2)
aos_data2(ipoint,k,4) = aos_grad_in_r_array_extra(k,ipoint,3)
enddo
enddo
! ---
integer :: nB
integer :: sB
PROVIDE nxBlocks nyBlocks nzBlocks
PROVIDE blockxSize blockySize blockzSize
sB = 32
nB = (n_points_final_grid + sB - 1) / sB
call ezfio_set_tc_int_blockxSize(sB)
call ezfio_set_tc_int_nxBlocks(nB)
allocate(int2_grad1_u12_ao_gpu(ao_num,ao_num,n_points_final_grid,3))
allocate(int_2e_ao_gpu(ao_num,ao_num,ao_num,ao_num))
call deb_int_2e_ao(nxBlocks, nyBlocks, nzBlocks, blockxSize, blockySize, blockzSize, &
n_points_final_grid, n_points_extra_final_grid, ao_num, nucl_num, jBH_size, &
final_grid_points, final_weight_at_r_vector, &
final_grid_points_extra, final_weight_at_r_vector_extra, &
rn, aos_data1, aos_data2, jBH_c, jBH_m, jBH_n, jBH_o, &
int2_grad1_u12_ao_gpu, int_2e_ao_gpu)
! ---
allocate(int_fct_long_range(n_points_extra_final_grid,ao_num,ao_num))
allocate(grad1_u12(n_points_extra_final_grid,n_points_final_grid,4))
allocate(c_mat(n_points_final_grid,ao_num,ao_num))
allocate(int2_grad1_u12_ao(ao_num,ao_num,n_points_final_grid,4))
allocate(int_2e_ao(ao_num,ao_num,ao_num,ao_num))
call wall_time(wall_time0)
call wall_time(wall_ttime0)
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (j, i, jpoint) &
!$OMP SHARED (int_fct_long_range, ao_num, n_points_extra_final_grid, final_weight_at_r_vector_extra, aos_in_r_array_extra_transp)
!$OMP DO SCHEDULE (static)
do j = 1, ao_num
do i = 1, ao_num
do jpoint = 1, n_points_extra_final_grid
int_fct_long_range(jpoint,i,j) = final_weight_at_r_vector_extra(jpoint) * aos_in_r_array_extra_transp(jpoint,i) * aos_in_r_array_extra_transp(jpoint,j)
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
call wall_time(wall_ttime1)
write(*,"(A,2X,F15.7)") ' wall time for int_long_range (sec) = ', (wall_ttime1 - wall_ttime0)
call wall_time(wall_ttime0)
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (ipoint) &
!$OMP SHARED (n_points_final_grid, n_points_extra_final_grid, grad1_u12)
!$OMP DO
do ipoint = 1, n_points_final_grid
call get_grad1_u12_for_tc(ipoint, n_points_extra_final_grid, grad1_u12(1,ipoint,1) &
, grad1_u12(1,ipoint,2) &
, grad1_u12(1,ipoint,3) &
, grad1_u12(1,ipoint,4) )
enddo
!$OMP END DO
!$OMP END PARALLEL
call wall_time(wall_ttime1)
write(*,"(A,2X,F15.7)") ' wall time for tc_int_bh (sec) = ', (wall_ttime1 - wall_ttime0)
call wall_time(wall_ttime0)
do m = 1, 4
call dgemm("T", "N", ao_num*ao_num, n_points_final_grid, n_points_extra_final_grid, 1.d0 &
, int_fct_long_range(1,1,1), n_points_extra_final_grid, grad1_u12(1,1,m), n_points_extra_final_grid &
, 0.d0, int2_grad1_u12_ao(1,1,1,m), ao_num*ao_num)
enddo
call wall_time(wall_ttime1)
write(*,"(A,2X,F15.7)") ' wall time for DGEMM of integ over r2 (sec) = ', (wall_ttime1 - wall_ttime0)
call wall_time(wall_ttime0)
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i, k, ipoint) &
!$OMP SHARED (aos_in_r_array_transp, c_mat, ao_num, n_points_final_grid, final_weight_at_r_vector)
!$OMP DO SCHEDULE (static)
do i = 1, ao_num
do k = 1, ao_num
do ipoint = 1, n_points_final_grid
c_mat(ipoint,k,i) = final_weight_at_r_vector(ipoint) * aos_in_r_array_transp(ipoint,i) * aos_in_r_array_transp(ipoint,k)
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
call wall_time(wall_ttime1)
write(*,"(A,2X,F15.7)") ' wall time of Hermitian part (sec) = ', (wall_ttime1 - wall_ttime0)
call wall_time(wall_ttime0)
call dgemm( "N", "N", ao_num*ao_num, ao_num*ao_num, n_points_final_grid, 1.d0 &
, int2_grad1_u12_ao(1,1,1,4), ao_num*ao_num, c_mat(1,1,1), n_points_final_grid &
, 0.d0, int_2e_ao(1,1,1,1), ao_num*ao_num)
call wall_time(wall_ttime1)
write(*,"(A,2X,F15.7)") ' wall time for DGEMM of Hermitian part (sec) = ', (wall_ttime1 - wall_ttime0)
tt1 = 0.d0
tt2 = 0.d0
do m = 1, 3
call wall_time(wall_ttime0)
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i, k, ipoint, weight1, ao_i_r, ao_k_r) &
!$OMP SHARED (aos_in_r_array_transp, aos_grad_in_r_array_transp_bis, c_mat, &
!$OMP ao_num, n_points_final_grid, final_weight_at_r_vector, m)
!$OMP DO SCHEDULE (static)
do i = 1, ao_num
do k = 1, ao_num
do ipoint = 1, n_points_final_grid
weight1 = final_weight_at_r_vector(ipoint)
ao_i_r = aos_in_r_array_transp(ipoint,i)
ao_k_r = aos_in_r_array_transp(ipoint,k)
c_mat(ipoint,k,i) = weight1 * (ao_k_r * aos_grad_in_r_array_transp_bis(ipoint,i,m) - ao_i_r * aos_grad_in_r_array_transp_bis(ipoint,k,m))
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
call wall_time(wall_ttime1)
tt1 += wall_ttime1 - wall_ttime0
call wall_time(wall_ttime0)
call dgemm( "N", "N", ao_num*ao_num, ao_num*ao_num, n_points_final_grid, -0.5d0 &
, int2_grad1_u12_ao(1,1,1,m), ao_num*ao_num, c_mat(1,1,1), n_points_final_grid &
, 1.d0, int_2e_ao(1,1,1,1), ao_num*ao_num)
call wall_time(wall_ttime1)
tt2 += wall_ttime1 - wall_ttime0
enddo
write(*,"(A,2X,F15.7)") ' wall time of non-Hermitian part (sec) = ', tt1
write(*,"(A,2X,F15.7)") ' wall time for DGEMM of non Hermitian part (sec) = ', tt2
call wall_time(wall_ttime0)
call sum_A_At(int_2e_ao(1,1,1,1), ao_num*ao_num)
call wall_time(wall_ttime1)
write(*,"(A,2X,F15.7)") ' wall time of A + A.T (sec) = ', wall_ttime1 - wall_ttime0
call wall_time(wall_time1)
write(*,"(A,2X,F15.7)") ' wall time on cpu (sec) = ', (wall_time1 - wall_time0)
! ---
acc_thr = 1d-12
print *, ' precision on int2_grad1_u12_ao '
err_tot = 0.d0
nrm_tot = 0.d0
do m = 1, 3
do ipoint = 1, n_points_final_grid
do j = 1, ao_num
do i = 1, ao_num
err_loc = dabs(int2_grad1_u12_ao(i,j,ipoint,m) - int2_grad1_u12_ao_gpu(i,j,ipoint,m))
if(err_loc > acc_thr) then
print*, " error on", i, j, ipoint, m
print*, " CPU res", int2_grad1_u12_ao (i,j,ipoint,m)
print*, " GPU res", int2_grad1_u12_ao_gpu(i,j,ipoint,m)
stop
endif
err_tot = err_tot + err_loc
nrm_tot = nrm_tot + dabs(int2_grad1_u12_ao(i,j,ipoint,m))
enddo
enddo
enddo
enddo
print *, ' absolute accuracy on int2_grad1_u12_ao (%) =', 100.d0 * err_tot / nrm_tot
print *, ' precision on int_2e_ao '
err_tot = 0.d0
nrm_tot = 0.d0
do i = 1, ao_num
do j = 1, ao_num
do k = 1, ao_num
do l = 1, ao_num
err_loc = dabs(int_2e_ao(l,k,j,i) - int_2e_ao_gpu(l,k,j,i))
if(err_loc > acc_thr) then
print*, " error on", l, k, j, i
print*, " CPU res", int_2e_ao (l,k,j,i)
print*, " GPU res", int_2e_ao_gpu(l,k,j,i)
stop
endif
err_tot = err_tot + err_loc
nrm_tot = nrm_tot + dabs(int_2e_ao(l,k,j,i))
enddo
enddo
enddo
enddo
print *, ' absolute accuracy on int_2e_ao (%) =', 100.d0 * err_tot / nrm_tot
! ---
deallocate(int_fct_long_range, grad1_u12, c_mat)
deallocate(int_2e_ao, int2_grad1_u12_ao)
deallocate(int_2e_ao_gpu, int2_grad1_u12_ao_gpu)
deallocate(rn, aos_data1, aos_data2)
call wall_time(time1)
write(*,"(A,2X,F15.7)") ' wall time for deb_int_2e_ao_gpu (sec) = ', (time1 - time0)
return
end