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mirror of https://github.com/QuantumPackage/qp2.git synced 2024-11-08 22:43:38 +01:00
qp2/plugins/local/tc_int/write_tc_int_cuda.irp.f
2024-08-01 10:05:47 +02:00

195 lines
5.2 KiB
Fortran

! ---
program write_tc_int_cuda
implicit none
print *, ' j2e_type = ', j2e_type
print *, ' j1e_type = ', j1e_type
print *, ' env_type = ', env_type
my_grid_becke = .True.
PROVIDE tc_grid1_a tc_grid1_r
my_n_pt_r_grid = tc_grid1_r
my_n_pt_a_grid = tc_grid1_a
touch my_grid_becke my_n_pt_r_grid my_n_pt_a_grid
my_extra_grid_becke = .True.
PROVIDE tc_grid2_a tc_grid2_r
my_n_pt_r_extra_grid = tc_grid2_r
my_n_pt_a_extra_grid = tc_grid2_a
touch my_extra_grid_becke my_n_pt_r_extra_grid my_n_pt_a_extra_grid
call write_int(6, my_n_pt_r_grid, 'radial external grid over')
call write_int(6, my_n_pt_a_grid, 'angular external grid over')
call write_int(6, my_n_pt_r_extra_grid, 'radial internal grid over')
call write_int(6, my_n_pt_a_extra_grid, 'angular internal grid over')
call main()
end
! ---
subroutine main()
implicit none
PROVIDE io_tc_integ
print*, 'io_tc_integ = ', io_tc_integ
if(io_tc_integ .ne. "Write") then
print*, 'io_tc_integ != Write'
print*, io_tc_integ
stop
endif
call do_work_on_gpu()
call ezfio_set_tc_keywords_io_tc_integ('Read')
end
! ---
subroutine do_work_on_gpu()
use gpu_module
implicit none
integer :: k, ipoint
integer :: nBlocks, blockSize
integer :: n_grid1, n_grid2
integer :: n_ao
integer :: n_nuc
integer :: size_bh
double precision, allocatable :: r1(:,:), wr1(:), r2(:,:), wr2(:), rn(:,:)
double precision, allocatable :: aos_data1(:,:,:), aos_data2(:,:,:)
double precision, allocatable :: c_bh(:,:)
integer, allocatable :: m_bh(:,:), n_bh(:,:), o_bh(:,:)
double precision, allocatable :: int2_grad1_u12_ao(:,:,:,:)
double precision, allocatable :: int_2e_ao(:,:,:,:)
double precision :: time0, time1
double precision :: cuda_time0, cuda_time1
call wall_time(time0)
print*, ' start calculation of TC-integrals'
nBlocks = 100
blockSize = 32
n_grid1 = n_points_final_grid
n_grid2 = n_points_extra_final_grid
n_ao = ao_num
n_nuc = nucl_num
size_bh = jBH_size
print*, " nBlocks =", nBlocks
print*, " blockSize =", blockSize
print*, " n_grid1 =", n_grid1
print*, " n_grid2 =", n_grid2
print*, " n_ao =", n_ao
print*, " n_nuc =", n_nuc
print *, " size_bh =", size_bh
allocate(r1(n_grid1,3), wr1(n_grid1))
allocate(r2(n_grid2,3), wr2(n_grid2))
allocate(rn(n_nuc,3))
allocate(aos_data1(n_grid1,n_ao,4))
allocate(aos_data2(n_grid2,n_ao,4))
allocate(c_bh(size_bh,n_nuc), m_bh(size_bh,n_nuc), n_bh(size_bh,n_nuc), o_bh(size_bh,n_nuc))
allocate(int2_grad1_u12_ao(n_ao,n_ao,n_grid1,4))
allocate(int_2e_ao(n_ao,n_ao,n_ao,n_ao))
do ipoint = 1, n_points_final_grid
r1(ipoint,1) = final_grid_points(1,ipoint)
r1(ipoint,2) = final_grid_points(2,ipoint)
r1(ipoint,3) = final_grid_points(3,ipoint)
wr1(ipoint) = final_weight_at_r_vector(ipoint)
enddo
do ipoint = 1, n_points_extra_final_grid
r2(ipoint,1) = final_grid_points_extra(1,ipoint)
r2(ipoint,2) = final_grid_points_extra(2,ipoint)
r2(ipoint,3) = final_grid_points_extra(3,ipoint)
wr2(ipoint) = final_weight_at_r_vector_extra(ipoint)
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
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
rn(:,:) = nucl_coord(:,:)
c_bh(:,:) = jBH_c(:,:)
m_bh(:,:) = jBH_m(:,:)
n_bh(:,:) = jBH_n(:,:)
o_bh(:,:) = jBH_o(:,:)
call wall_time(cuda_time0)
print*, ' start CUDA kernel'
int2_grad1_u12_ao = 0.d0
int_2e_ao = 0.d0
call tc_int_c(nBlocks, blockSize, &
n_grid1, n_grid2, n_ao, n_nuc, size_bh, &
r1, wr1, r2, wr2, rn, aos_data1, aos_data2, &
c_bh, m_bh, n_bh, o_bh, &
int2_grad1_u12_ao, int_2e_ao)
call wall_time(cuda_time1)
print*, ' wall time for CUDA kernel (min) = ', (cuda_time1-cuda_time0) / 60.d0
deallocate(r1, wr1, r2, wr2, rn)
deallocate(aos_data1, aos_data2)
deallocate(c_bh, m_bh, n_bh, o_bh)
! ---
print*, ' Writing int2_grad1_u12_ao in ', trim(ezfio_filename) // '/work/int2_grad1_u12_ao'
open(unit=11, form="unformatted", file=trim(ezfio_filename)//'/work/int2_grad1_u12_ao', action="write")
call ezfio_set_work_empty(.False.)
write(11) int2_grad1_u12_ao(:,:,:,1:3)
close(11)
deallocate(int2_grad1_u12_ao)
print*, ' Saving tc_int_2e_ao in ', trim(ezfio_filename) // '/work/ao_two_e_tc_tot'
open(unit=11, form="unformatted", file=trim(ezfio_filename)//'/work/ao_two_e_tc_tot', action="write")
call ezfio_set_work_empty(.False.)
do k = 1, ao_num
write(11) int_2e_ao(:,:,:,k)
enddo
close(11)
deallocate(int_2e_ao)
! ----
call wall_time(time1)
print*, ' wall time for TC-integrals (min) = ', (time1-time0) / 60.d0
return
end
! ---