Introduced DGEMM

This commit is contained in:
Anthony Scemama 2017-09-25 21:00:22 +02:00
parent cb1227a9a9
commit 987fc65984
1 changed files with 85 additions and 40 deletions

View File

@ -50,11 +50,8 @@ subroutine four_index_transform(map_a,map_c,matrix_B,LDB, &
ASSERT (LDB >= k_max)
ASSERT (LDB >= l_max)
allocate( T(i_min:i_max,j_min:j_max,k_min:k_max), &
U(i_min:i_max,j_min:j_max,k_min:k_max), &
V(i_min:i_max,j_min:j_max,k_min:k_max), &
key(i_max*j_max*k_max), &
value(i_max*j_max*k_max) )
allocate( key(i_max*j_max*k_max), value(i_max*j_max*k_max) )
allocate( U(a_start:a_end, b_start:b_end, c_start:c_end) )
do d=d_start,d_end
U = 0.d0
@ -63,62 +60,109 @@ subroutine four_index_transform(map_a,map_c,matrix_B,LDB, &
if (dabs(matrix_B(l,d)) < 1.d-10) then
cycle
endif
allocate( T(i_start:i_end, k_start:k_end, j_start:j_end) )
do k=k_start,k_end
do j=j_start,j_end
do i=i_start,i_end
call bielec_integrals_index(i,j,k,l,idx)
call map_get(map_a,idx,tmp)
T(i,j,k) = tmp
T(i, k,j) = tmp
enddo
enddo
enddo
V = 0.d0
do a=a_start,a_end
do k=k_start,k_end
do j=j_start,j_end
do i=i_start,i_end
V(j,k,a) = V(j,k,a) + T(i,j,k)*matrix_B(i,a)
enddo
enddo
enddo
enddo
! call DGEMM('T','N', (j_end-j_start+1),(k_end-k_start+1), &
! (i_end-i_start+1), 1.d0, &
! T, size(T,1)*
allocate( V(a_start:a_end, k_start:k_end, j_start:j_end) )
! V = 0.d0
! do a=a_start,a_end
! do k=k_start,k_end
! do j=j_start,j_end
! do i=i_start,i_end
! V(a, k,j) = V(a, k,j) + T(i, k,j)*matrix_B(i, a)
! enddo
! enddo
! enddo
! enddo
call DGEMM('T','N', (a_end-a_start+1), (k_end-k_start+1)*(j_end-j_start+1),&
(i_end-i_start+1), 1.d0, &
matrix_B(i_start,a_start), size(matrix_B,1), &
T(i_start,k_start,j_start), size(T,1), 0.d0, &
V(a_start,k_start,j_start), size(V, 1) )
deallocate(T)
allocate( T(a_start:a_end, k_start:k_end, b_start:b_end) )
! V = 0.d0
! do a=a_start,a_end
! do k=k_start,k_end
! do b=b_start,b_end
! do j=j_start,j_end
! V(a,k, b) = V(a,k, b) + T(a,k, j)*matrix_B(j, b)
! enddo
! enddo
! enddo
! enddo
call DGEMM('N','N', (a_end-a_start+1)*(k_end-k_start+1),(b_end-b_start+1),&
(j_end-j_start+1), 1.d0, &
V(a_start,k_start,j_start), size(V,1)*size(V,2), &
matrix_B(j_start,b_start), size(matrix_B,1),0.d0, &
T(a_start,k_start,b_start), size(T,1)*size(T,2) )
deallocate(V)
allocate( V(a_start:a_end, k_start:k_end, b_start:b_end) )
V = T
deallocate(T)
allocate( T(a_start:a_end, k_start:k_end, b_start:b_end) )
T = 0.d0
do b=b_start,b_end
do a=a_start,a_end
do k=k_start,k_end
do j=j_start,j_end
T(k,a,b) = T(k,a,b) + V(j,k,a)*matrix_B(j,b)
enddo
T(a, k,b) = V(a, k,b)
enddo
enddo
enddo
deallocate(V)
allocate( V(a_start:a_end, b_start:b_end, c_start:c_end) )
! V = 0.d0
! do b=b_start,b_end
! do c=c_start,c_end
! do a=a_start,a_end
! do k=k_start,k_end
! V(a,b,c) = V(a,b,c) + T(a,k ,b)*matrix_B(k, c)
! enddo
! enddo
! enddo
! enddo
V = 0.d0
do c=c_start,c_end
do b=b_start,b_end
do a=a_start,a_end
do k=k_start,k_end
V(a,b,c) = V(a,b,c) + T(k,a,b)*matrix_B(k,c)
enddo
enddo
enddo
do b=b_start,b_end
call DGEMM('N','N', (a_end-a_start+1), (c_end-c_start+1), &
(k_end-k_start+1), 1.d0, &
T(a_start,k_start,b), size(T,1), &
matrix_B(k_start,k_start), size(matrix_B,1), 1.d0, &
V(a_start,c_start,b), size(V,1) )
enddo
do c=c_start,c_end
do b=b_start,b_end
do a=a_start,a_end
deallocate(T)
U = U + V*matrix_B(l, d)
! do a=a_start,a_end
! do b=b_start,b_end
! do c=c_start,c_end
! do c=c_start,c_end
! do b=b_start,d
! do a=a_start,min(b,c)
U(a,b,c) = U(a,b,c) + V(a,b,c) * matrix_B(l,d)
enddo
enddo
enddo
! U(a,b,c) = U(a,b,c) + V(a,b,c) * matrix_B(l, d)
! enddo
! enddo
! enddo
deallocate(V)
enddo
@ -129,12 +173,12 @@ subroutine four_index_transform(map_a,map_c,matrix_B,LDB, &
! do c=c_start,c_end
! do b=b_start,d
! do a=a_start,min(b,c)
if (dabs(U(a,b,c)) < 1.d-15) then
if (dabs(U(a,c,b)) < 1.d-15) then
cycle
endif
idx = idx+1_8
call bielec_integrals_index(a,b,c,d,key(idx))
value(idx) = U(a,b,c)
value(idx) = U(a,c,b)
enddo
enddo
enddo
@ -143,5 +187,6 @@ subroutine four_index_transform(map_a,map_c,matrix_B,LDB, &
call map_unique(map_c)
enddo
deallocate(key,value)
end