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Merge pull request #294 from QuantumPackage/io_ccsd

Improved  I/O in CCSD
This commit is contained in:
Anthony Scemama 2023-06-12 14:57:03 +02:00 committed by GitHub
commit 56b80288eb
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 88 additions and 73 deletions

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@ -4,7 +4,7 @@ BEGIN_PROVIDER [ integer, cholesky_ao_num_guess ]
! Number of Cholesky vectors in AO basis
END_DOC
cholesky_ao_num_guess = ao_num*ao_num / 2
cholesky_ao_num_guess = ao_num*ao_num
END_PROVIDER
BEGIN_PROVIDER [ integer, cholesky_ao_num ]
@ -44,19 +44,12 @@ END_PROVIDER
do m=0,9
do l=1+m,ao_num,10
!$OMP DO SCHEDULE(dynamic)
do j=1,l
do j=1,ao_num
do k=1,ao_num
do i=1,min(k,j)
do i=1,ao_num
if (ao_two_e_integral_zero(i,j,k,l)) cycle
integral = get_ao_two_e_integral(i,j,k,l, ao_integrals_map)
ao_integrals(i,k,j,l) = integral
ao_integrals(k,i,j,l) = integral
ao_integrals(i,k,l,j) = integral
ao_integrals(k,i,l,j) = integral
ao_integrals(j,l,i,k) = integral
ao_integrals(j,l,k,i) = integral
ao_integrals(l,j,i,k) = integral
ao_integrals(l,j,k,i) = integral
enddo
enddo
enddo

11
src/ccsd/EZFIO.cfg Normal file
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@ -0,0 +1,11 @@
[energy]
type: double precision
doc: CCSD energy
interface: ezfio
[energy_t]
type: double precision
doc: CCSD(T) energy
interface: ezfio

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@ -135,8 +135,11 @@ subroutine run_ccsd_space_orb
write(*,'(A15,1pE10.2,A3)')' Conv = ', max_r
print*,''
call write_t1(nO,nV,t1)
call write_t2(nO,nV,t2)
if (write_amplitudes) then
call write_t1(nO,nV,t1)
call write_t2(nO,nV,t2)
call ezfio_set_utils_cc_io_amplitudes('Read')
endif
! Deallocation
if (cc_update_method == 'diis') then
@ -147,6 +150,7 @@ subroutine run_ccsd_space_orb
! CCSD(T)
double precision :: e_t
e_t = 0.d0
if (cc_par_t .and. elec_alpha_num + elec_beta_num > 2) then
@ -182,8 +186,7 @@ subroutine run_ccsd_space_orb
print*,''
endif
print*,'Reference determinant:'
call print_det(det,N_int)
call save_energy(uncorr_energy + energy, e_t)
deallocate(t1,t2)

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@ -269,8 +269,11 @@ subroutine run_ccsd_spin_orb
write(*,'(A15,1pE10.2,A3)')' Conv = ', max_r
print*,''
call write_t1(nO,nV,t1)
call write_t2(nO,nV,t2)
if (write_amplitudes) then
call write_t1(nO,nV,t1)
call write_t2(nO,nV,t2)
call ezfio_set_utils_cc_io_amplitudes('Read')
endif
! Deallocate
if (cc_update_method == 'diis') then
@ -284,8 +287,9 @@ subroutine run_ccsd_spin_orb
deallocate(v_ovoo,v_oovo)
deallocate(v_ovvo,v_ovov,v_oovv)
double precision :: t_corr
t_corr = 0.d0
if (cc_par_t .and. elec_alpha_num +elec_beta_num > 2) then
double precision :: t_corr
print*,'CCSD(T) calculation...'
call wall_time(ta)
!allocate(v_vvvo(nV,nV,nV,nO))
@ -307,8 +311,8 @@ subroutine run_ccsd_spin_orb
write(*,'(A15,F18.12,A3)') ' Correlation = ', energy + t_corr, ' Ha'
print*,''
endif
print*,'Reference determinant:'
call print_det(det,N_int)
call save_energy(uncorr_energy + energy, t_corr)
deallocate(f_oo,f_ov,f_vv,f_o,f_v)
deallocate(v_ooov,v_vvoo,t1,t2)

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@ -0,0 +1,13 @@
subroutine save_energy(E,ET)
implicit none
BEGIN_DOC
! Saves the energy in |EZFIO|.
END_DOC
double precision, intent(in) :: E, ET
call ezfio_set_ccsd_energy(E)
if (ET /= 0.d0) then
call ezfio_set_ccsd_energy_t(E+ET)
endif
end

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@ -27,6 +27,8 @@ BEGIN_PROVIDER [ double precision, cholesky_mo_transp, (cholesky_ao_num, mo_num,
double precision, allocatable :: buffer(:,:)
print *, 'AO->MO Transformation of Cholesky vectors .'
call set_multiple_levels_omp(.False.)
!$OMP PARALLEL PRIVATE(i,j,k,buffer)
allocate(buffer(mo_num,mo_num))
!$OMP DO SCHEDULE(static)

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@ -1831,7 +1831,7 @@ double precision, intent(in) :: tol
integer, dimension(:), allocatable :: piv
double precision, dimension(:), allocatable :: work
character, parameter :: uplo = "U"
character, parameter :: uplo = 'L'
integer :: LDA
integer :: info
integer :: k, l, rank0
@ -1848,14 +1848,14 @@ if (rank > rank0) then
end if
do k = 1, ndim
A(k+1:ndim, k) = 0.00D+0
A(k,k+1:ndim) = 0.00D+0
end do
! TODO: It should be possible to use only one vector of size (1:rank) as a buffer
! to do the swapping in-place
U(:,:) = 0.00D+0
do k = 1, ndim
l = piv(k)
U(l, 1:rank) = A(1:rank, k)
U(l, 1:rank) = A(k,1:rank)
end do
end subroutine pivoted_cholesky

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@ -46,17 +46,11 @@ doc: Guess used to initialize the T2 amplitudes. none -> 0, MP -> perturbation t
interface: ezfio,ocaml,provider
default: MP
[cc_write_t1]
type: logical
doc: If true, it will write on disk the T1 amplitudes at the end of the calculation.
interface: ezfio,ocaml,provider
default: False
[cc_write_t2]
type: logical
doc: If true, it will write on disk the T2 amplitudes at the end of the calculation.
interface: ezfio,ocaml,provider
default: False
[io_amplitudes]
type: Disk_access
doc: Read/Write |CCSD| amplitudes from/to disk [ Write | Read | None ]
interface: ezfio,provider,ocaml
default: None
[cc_par_t]
type: logical

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@ -91,16 +91,17 @@ subroutine write_t1(nO,nV,t1)
double precision, intent(in) :: t1(nO, nV)
! internal
integer :: i,a
integer :: i,a, iunit
integer, external :: getunitandopen
if (cc_write_t1) then
open(unit=11, file=trim(ezfio_filename)//'/cc_utils/T1')
if (write_amplitudes) then
iunit = getUnitAndOpen(trim(ezfio_filename)//'/work/T1','w')
do a = 1, nV
do i = 1, nO
write(11,'(F20.12)') t1(i,a)
write(iunit,'(F20.12)') t1(i,a)
enddo
enddo
close(11)
close(iunit)
endif
end
@ -120,20 +121,21 @@ subroutine write_t2(nO,nV,t2)
double precision, intent(in) :: t2(nO, nO, nV, nV)
! internal
integer :: i,j,a,b
integer :: i,j,a,b, iunit
integer, external :: getunitandopen
if (cc_write_t2) then
open(unit=11, file=trim(ezfio_filename)//'/cc_utils/T2')
if (write_amplitudes) then
iunit = getUnitAndOpen(trim(ezfio_filename)//'/work/T2','w')
do b = 1, nV
do a = 1, nV
do j = 1, nO
do i = 1, nO
write(11,'(F20.12)') t2(i,j,a,b)
write(iunit,'(F20.12)') t2(i,j,a,b)
enddo
enddo
enddo
enddo
close(11)
close(iunit)
endif
end
@ -153,23 +155,19 @@ subroutine read_t1(nO,nV,t1)
double precision, intent(out) :: t1(nO, nV)
! internal
integer :: i,a
integer :: i,a, iunit
logical :: ok
integer, external :: getunitandopen
inquire(file=trim(ezfio_filename)//'/cc_utils/T1', exist=ok)
if (.not. ok) then
print*, 'There is no file'// trim(ezfio_filename)//'/cc_utils/T1'
print*, 'Do a first calculation with cc_write_t1 = True'
print*, 'and cc_guess_t1 /= read before setting cc_guess_t1 = read'
call abort
endif
open(unit=11, file=trim(ezfio_filename)//'/cc_utils/T1')
do a = 1, nV
do i = 1, nO
read(11,'(F20.12)') t1(i,a)
if (read_amplitudes) then
iunit = getUnitAndOpen(trim(ezfio_filename)//'/work/T1','r')
do a = 1, nV
do i = 1, nO
read(iunit,'(F20.12)') t1(i,a)
enddo
enddo
enddo
close(11)
close(iunit)
endif
end
@ -188,26 +186,23 @@ subroutine read_t2(nO,nV,t2)
double precision, intent(out) :: t2(nO, nO, nV, nV)
! internal
integer :: i,j,a,b
integer :: i,j,a,b, iunit
logical :: ok
inquire(file=trim(ezfio_filename)//'/cc_utils/T1', exist=ok)
if (.not. ok) then
print*, 'There is no file'// trim(ezfio_filename)//'/cc_utils/T1'
print*, 'Do a first calculation with cc_write_t2 = True'
print*, 'and cc_guess_t2 /= read before setting cc_guess_t2 = read'
call abort
endif
open(unit=11, file=trim(ezfio_filename)//'/cc_utils/T2')
do b = 1, nV
do a = 1, nV
do j = 1, nO
do i = 1, nO
read(11,'(F20.12)') t2(i,j,a,b)
integer, external :: getunitandopen
if (read_amplitudes) then
iunit = getUnitAndOpen(trim(ezfio_filename)//'/work/T2','r')
do b = 1, nV
do a = 1, nV
do j = 1, nO
do i = 1, nO
read(iunit,'(F20.12)') t2(i,j,a,b)
enddo
enddo
enddo
enddo
enddo
close(11)
close(iunit)
endif
end