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mirror of https://github.com/QuantumPackage/qp2.git synced 2024-12-22 04:13:55 +01:00

int2_grad1_u12_ao is computed correctly on CUDA

This commit is contained in:
Abdallah Ammar 2024-08-01 18:29:50 +02:00
parent b6b0ed5d22
commit f43ee8cf61
3 changed files with 75 additions and 302 deletions

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@ -0,0 +1,36 @@
[nxBlocks]
type: integer
doc: nb of x blocks in the Grid
interface: ezfio,provider,ocaml
default: 10
[nyBlocks]
type: integer
doc: nb of y blocks in the Grid
interface: ezfio,provider,ocaml
default: 10
[nzBlocks]
type: integer
doc: nb of z blocks in the Grid
interface: ezfio,provider,ocaml
default: 1
[blockxSize]
type: integer
doc: size of x blocks
interface: ezfio,provider,ocaml
default: 32
[blockySize]
type: integer
doc: size of y blocks
interface: ezfio,provider,ocaml
default: 32
[blockzSize]
type: integer
doc: size of z blocks
interface: ezfio,provider,ocaml
default: 1

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@ -36,8 +36,6 @@ subroutine main()
implicit none
!call deb_int_long_range_gpu()
!call deb_int_bh_kernel_gpu()
call deb_int2_grad1_u12_ao_gpu()
return
@ -45,246 +43,6 @@ end
! ---
subroutine deb_int_long_range_gpu()
use gpu_module
implicit none
integer :: i, j, k
integer :: ipoint, jpoint
integer :: nBlocks, blockSize
double precision :: acc_thr, err_tot, nrm_tot, err_loc
double precision :: time0, time1
double precision :: cuda_time0, cuda_time1
double precision :: cpu_time0, cpu_time1
double precision, allocatable :: aos_data2(:,:,:)
double precision, allocatable :: int_fct_long_range(:,:,:)
double precision, allocatable :: int_fct_long_range_gpu(:,:,:)
call wall_time(time0)
print*, ' start deb_int_long_range_gpu'
! ---
nBlocks = 256
blockSize = 32
allocate(aos_data2(n_points_extra_final_grid,ao_num,4))
allocate(int_fct_long_range_gpu(n_points_extra_final_grid,ao_num,ao_num))
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
! ---
call wall_time(cuda_time0)
call deb_int_long_range(nBlocks, blockSize, &
n_points_extra_final_grid, ao_num, final_weight_at_r_vector_extra, aos_data2, &
int_fct_long_range_gpu)
call wall_time(cuda_time1)
print*, ' wall time for CUDA kernel (min) = ', (cuda_time1-cuda_time0) / 60.d0
deallocate(aos_data2)
! ---
allocate(int_fct_long_range(n_points_extra_final_grid,ao_num,ao_num))
call wall_time(cpu_time0)
!$OMP PARALLEL &
!$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(cpu_time1)
print*, ' wall time on CPU (min) = ', (cpu_time1-cpu_time0) / 60.d0
! ---
acc_thr = 1d-12
err_tot = 0.d0
nrm_tot = 0.d0
do j = 1, ao_num
do i = 1, ao_num
do jpoint = 1, n_points_extra_final_grid
err_loc = dabs(int_fct_long_range(jpoint,i,j) - int_fct_long_range_gpu(jpoint,i,j))
if(err_loc > acc_thr) then
print*, " error on", jpoint, i, j
print*, " CPU res", int_fct_long_range (jpoint,i,j)
print*, " GPU res", int_fct_long_range_gpu(jpoint,i,j)
stop
endif
err_tot = err_tot + err_loc
nrm_tot = nrm_tot + dabs(int_fct_long_range(jpoint,i,j))
enddo
enddo
enddo
print *, ' absolute accuracy (%) =', 100.d0 * err_tot / nrm_tot
! ---
deallocate(int_fct_long_range)
deallocate(int_fct_long_range_gpu)
call wall_time(time1)
print*, ' wall time for deb_int_long_range_gpu (min) = ', (time1-time0) / 60.d0
return
end
! ---
subroutine deb_int_bh_kernel_gpu()
use gpu_module
implicit none
integer :: m
integer :: ipoint, jpoint
integer :: nBlocks, blockSize
double precision :: acc_thr, err_tot, nrm_tot, err_loc
double precision :: time0, time1
double precision :: cuda_time0, cuda_time1
double precision :: cpu_time0, cpu_time1
double precision, allocatable :: r1(:,:), r2(:,:)
double precision, allocatable :: grad1_u12(:,:,:)
double precision, allocatable :: grad1_u12_gpu(:,:,:)
call wall_time(time0)
print*, ' start deb_int_bh_kernel_gpu'
! ---
allocate(r1(n_points_final_grid,3))
allocate(r2(n_points_extra_final_grid,3))
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)
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)
enddo
! ---
nBlocks = 256
blockSize = 32
allocate(grad1_u12_gpu(n_points_extra_final_grid,n_points_final_grid,4))
call wall_time(cuda_time0)
call deb_int_bh_kernel(nBlocks, blockSize, &
n_points_final_grid, n_points_extra_final_grid, ao_num, nucl_num, jBH_size, &
r1, r2, nucl_coord, jBH_c, jBH_m, jBH_n, jBH_o, &
grad1_u12_gpu)
call wall_time(cuda_time1)
print*, ' wall time for CUDA kernel (min) = ', (cuda_time1-cuda_time0) / 60.d0
! ---
allocate(grad1_u12(n_points_extra_final_grid,n_points_final_grid,4))
call wall_time(cpu_time0)
!$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(cpu_time1)
print*, ' wall time on CPU (min) = ', (cpu_time1-cpu_time0) / 60.d0
! ---
acc_thr = 1d-12
err_tot = 0.d0
nrm_tot = 0.d0
do m = 1, 4
do ipoint = 1, n_points_final_grid
do jpoint = 1, n_points_extra_final_grid
err_loc = dabs(grad1_u12(jpoint,ipoint,m) - grad1_u12_gpu(jpoint,ipoint,m))
if(err_loc > acc_thr) then
print*, " error on", jpoint, ipoint, m
print*, " CPU res", grad1_u12 (jpoint,ipoint,m)
print*, " GPU res", grad1_u12_gpu(jpoint,ipoint,m)
stop
endif
err_tot = err_tot + err_loc
nrm_tot = nrm_tot + dabs(grad1_u12(jpoint,ipoint,m))
enddo
enddo
enddo
print *, ' absolute accuracy (%) =', 100.d0 * err_tot / nrm_tot
! ---
deallocate(r1, r2)
deallocate(grad1_u12)
deallocate(grad1_u12_gpu)
call wall_time(time1)
print*, ' wall time for deb_int_bh_kernel_gpu (min) = ', (time1-time0) / 60.d0
return
end
! ---
subroutine deb_int2_grad1_u12_ao_gpu()
use gpu_module
@ -295,15 +53,14 @@ subroutine deb_int2_grad1_u12_ao_gpu()
integer :: i, j, k
integer :: ipoint, jpoint
integer :: nBlocks, blockSize
double precision :: acc_thr, err_tot, nrm_tot, err_loc
double precision :: time0, time1
double precision :: cuda_time0, cuda_time1
double precision :: cpu_time0, cpu_time1
double precision :: cpu_ttime0, cpu_ttime1
double precision, allocatable :: r1(:,:), r2(:,:), aos_data2(:,:,:)
double precision, allocatable :: r1(:,:), r2(:,:), rn(:,:), aos_data2(:,:,:)
double precision, allocatable :: grad1_u12(:,:,:), int_fct_long_range(:,:,:)
double precision, allocatable :: int2_grad1_u12_ao(:,:,:,:)
double precision, allocatable :: int2_grad1_u12_ao_gpu(:,:,:,:)
@ -318,6 +75,7 @@ subroutine deb_int2_grad1_u12_ao_gpu()
allocate(r1(n_points_final_grid,3))
allocate(r2(n_points_extra_final_grid,3))
allocate(rn(3,nucl_num))
allocate(aos_data2(n_points_extra_final_grid,ao_num,4))
do ipoint = 1, n_points_final_grid
@ -332,6 +90,12 @@ subroutine deb_int2_grad1_u12_ao_gpu()
r2(ipoint,3) = final_grid_points_extra(3,ipoint)
enddo
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_extra_final_grid
aos_data2(ipoint,k,1) = aos_in_r_array_extra(k,ipoint)
@ -343,20 +107,21 @@ subroutine deb_int2_grad1_u12_ao_gpu()
! ---
nBlocks = 256
blockSize = 32
PROVIDE nxBlocks nyBlocks nzBlocks
PROVIDE blockxSize blockySize blockzSize
allocate(int2_grad1_u12_ao_gpu(ao_num,ao_num,n_points_final_grid,4))
call wall_time(cuda_time0)
call deb_int2_grad1_u12_ao(nBlocks, blockSize, &
n_points_final_grid, n_points_extra_final_grid, ao_num, nucl_num, jBH_size, &
r1, r2, final_weight_at_r_vector_extra, nucl_coord, aos_data2, jBH_c, jBH_m, jBH_n, jBH_o, &
call deb_int2_grad1_u12_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_grid_points_extra, final_weight_at_r_vector_extra, rn, &
aos_data2, jBH_c, jBH_m, jBH_n, jBH_o, &
int2_grad1_u12_ao_gpu)
call wall_time(cuda_time1)
print*, ' wall time for CUDA kernel (min) = ', (cuda_time1-cuda_time0) / 60.d0
write(*,"(A,2X,F15.7)") ' wall time for CUDA kernel (sec) = ', (cuda_time1 - cuda_time0)
! ---
@ -367,6 +132,7 @@ subroutine deb_int2_grad1_u12_ao_gpu()
call wall_time(cpu_time0)
call wall_time(cpu_ttime0)
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (j, i, jpoint) &
@ -381,8 +147,11 @@ subroutine deb_int2_grad1_u12_ao_gpu()
enddo
!$OMP END DO
!$OMP END PARALLEL
call wall_time(cpu_ttime1)
write(*,"(A,2X,F15.7)") ' wall time for int_long_range (sec) = ', (cpu_ttime1 - cpu_ttime0)
call wall_time(cpu_ttime0)
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (ipoint) &
@ -396,15 +165,21 @@ subroutine deb_int2_grad1_u12_ao_gpu()
enddo
!$OMP END DO
!$OMP END PARALLEL
call wall_time(cpu_ttime1)
write(*,"(A,2X,F15.7)") ' wall time for tc_int_bh (sec) = ', (cpu_ttime1 - cpu_ttime0)
call wall_time(cpu_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(cpu_ttime1)
write(*,"(A,2X,F15.7)") ' wall time for DGEMM (sec) = ', (cpu_ttime1 - cpu_ttime0)
call wall_time(cpu_time1)
print*, ' wall time on CPU (min) = ', (cpu_time1-cpu_time0) / 60.d0
write(*,"(A,2X,F15.7)") ' wall time on cpu (sec) = ', (cpu_time1 - cpu_time0)
! ---
@ -434,13 +209,13 @@ subroutine deb_int2_grad1_u12_ao_gpu()
! ---
deallocate(r1, r2, aos_data2)
deallocate(r1, r2, rn, aos_data2)
deallocate(int_fct_long_range, grad1_u12)
deallocate(int2_grad1_u12_ao)
deallocate(int2_grad1_u12_ao_gpu)
call wall_time(time1)
print*, ' wall time for deb_int2_grad1_u12_ao_gpu (min) = ', (time1-time0) / 60.d0
write(*,"(A,2X,F15.7)") ' wall time for deb_int2_grad1_u12_ao_gpu (sec) = ', (time1 - time0)
return
end

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@ -38,61 +38,23 @@ module gpu_module
! ---
subroutine deb_int_long_range(nBlocks, blockSize, &
n_grid2, n_ao, wr2, aos_data2, &
int_fct_long_range) bind(C, name = "deb_int_long_range")
import c_int, c_double
integer(c_int), intent(in), value :: nBlocks, blockSize
integer(c_int), intent(in), value :: n_grid2
integer(c_int), intent(in), value :: n_ao
real(c_double), intent(in) :: wr2(n_grid2)
real(c_double), intent(in) :: aos_data2(n_grid2,n_ao,4)
real(c_double), intent(out) :: int_fct_long_range(n_grid2,n_ao,n_ao)
end subroutine deb_int_long_range
! ---
subroutine deb_int_bh_kernel(nBlocks, blockSize, &
n_grid1, n_grid2, n_ao, n_nuc, size_bh, &
r1, r2, rn, c_bh, m_bh, n_bh, o_bh, &
grad1_u12) bind(C, name = "deb_int_bh_kernel")
subroutine deb_int2_grad1_u12_ao(nxBlocks, nyBlocks, nzBlocks, blockxSize, blockySize, blockzSize, &
n_grid1, n_grid2, n_ao, n_nuc, size_bh, &
r1, r2, wr2, rn, aos_data2, c_bh, m_bh, n_bh, o_bh, &
int2_grad1_u12_ao) bind(C, name ="deb_int2_grad1_u12_ao")
import c_int, c_double, c_ptr
integer(c_int), intent(in), value :: nBlocks, blockSize
integer(c_int), intent(in), value :: nxBlocks, blockxSize
integer(c_int), intent(in), value :: nyBlocks, blockySize
integer(c_int), intent(in), value :: nzBlocks, blockzSize
integer(c_int), intent(in), value :: n_grid1, n_grid2
integer(c_int), intent(in), value :: n_ao
integer(c_int), intent(in), value :: n_nuc
integer(c_int), intent(in), value :: size_bh
real(c_double), intent(in) :: r1(n_grid1,3)
real(c_double), intent(in) :: r2(n_grid2,3)
real(c_double), intent(in) :: rn(n_nuc,3)
real(c_double), intent(in) :: c_bh(size_bh,n_nuc)
integer(c_int), intent(in) :: m_bh(size_bh,n_nuc)
integer(c_int), intent(in) :: n_bh(size_bh,n_nuc)
integer(c_int), intent(in) :: o_bh(size_bh,n_nuc)
real(c_double), intent(out) :: grad1_u12(n_grid2,n_grid1,4)
end subroutine deb_int_bh_kernel
! ---
subroutine deb_int2_grad1_u12_ao(nBlocks, blockSize, &
n_grid1, n_grid2, n_ao, n_nuc, size_bh, &
r1, r2, wr2, rn, aos_data2, c_bh, m_bh, n_bh, o_bh, &
int2_grad1_u12_ao) bind(C, name ="deb_int2_grad1_u12_ao")
import c_int, c_double, c_ptr
integer(c_int), intent(in), value :: nBlocks, blockSize
integer(c_int), intent(in), value :: n_grid1, n_grid2
integer(c_int), intent(in), value :: n_ao
integer(c_int), intent(in), value :: n_nuc
integer(c_int), intent(in), value :: size_bh
real(c_double), intent(in) :: r1(n_grid1,3)
real(c_double), intent(in) :: r2(n_grid2,3)
real(c_double), intent(in) :: r1(3,n_grid1)
real(c_double), intent(in) :: r2(3,n_grid2)
real(c_double), intent(in) :: wr2(n_grid2)
real(c_double), intent(in) :: rn(n_nuc,3)
real(c_double), intent(in) :: rn(3,n_nuc)
real(c_double), intent(in) :: aos_data2(n_grid2,n_ao,4)
real(c_double), intent(in) :: c_bh(size_bh,n_nuc)
integer(c_int), intent(in) :: m_bh(size_bh,n_nuc)