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Anthony Scemama 2024-04-03 11:49:55 +02:00
parent 9e29a56ed3
commit d93b529b36
1 changed files with 19 additions and 13 deletions
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24
src/ccsd/ccsd_t_space_orb_stoch.irp.f
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@ -181,8 +181,8 @@ subroutine ccsd_par_t_space_stoch(nO,nV,t1,t2,f_o,f_v,v_vvvo,v_vvoo,v_vooo,energ
integer :: nbuckets integer :: nbuckets
nbuckets = 100 nbuckets = 100
double precision, allocatable :: ED(:)
double precision, allocatable :: wsum(:) double precision, allocatable :: wsum(:)
allocate(wsum(nbuckets))
converged = .False. converged = .False.
Ncomputed = 0_8 Ncomputed = 0_8
@ -197,7 +197,8 @@ subroutine ccsd_par_t_space_stoch(nO,nV,t1,t2,f_o,f_v,v_vvvo,v_vvoo,v_vooo,energ
iright = Nabc iright = Nabc
integer*8, allocatable :: bounds(:,:) integer*8, allocatable :: bounds(:,:)
allocate (bounds(2,nbuckets)) allocate(wsum(nbuckets), ED(nbuckets), bounds(2,nbuckets))
ED(:) = 0.d0
do isample=1,nbuckets do isample=1,nbuckets
eta = 1.d0/dble(nbuckets) * dble(isample) eta = 1.d0/dble(nbuckets) * dble(isample)
ieta = binary_search(waccu,eta,Nabc) ieta = binary_search(waccu,eta,Nabc)
@ -233,7 +234,7 @@ subroutine ccsd_par_t_space_stoch(nO,nV,t1,t2,f_o,f_v,v_vvvo,v_vvoo,v_vooo,energ
enddo enddo
! Deterministic part ! Deterministic part
if (imin < Nabc) then if (imin <= Nabc) then
ieta=imin ieta=imin
sampled(ieta) = 0_8 sampled(ieta) = 0_8
a = abc(1,ieta) a = abc(1,ieta)
@ -254,7 +255,7 @@ subroutine ccsd_par_t_space_stoch(nO,nV,t1,t2,f_o,f_v,v_vvvo,v_vvoo,v_vooo,energ
! Stochastic part ! Stochastic part
call random_number(eta) call random_number(eta)
do isample=1,nbuckets do isample=1,nbuckets
if (imin >= bounds(2,isample)) then if (imin > bounds(2,isample)) then
cycle cycle
endif endif
ieta = binary_search(waccu,(eta + dble(isample-1))/dble(nbuckets),Nabc)+1 ieta = binary_search(waccu,(eta + dble(isample-1))/dble(nbuckets),Nabc)+1
@ -280,7 +281,7 @@ subroutine ccsd_par_t_space_stoch(nO,nV,t1,t2,f_o,f_v,v_vvvo,v_vvoo,v_vooo,energ
enddo enddo
call wall_time(t01) call wall_time(t01)
if ((t01-t00 > 1.0d0).or.(imin >= Nabc)) then if ((t01-t00 > 1.0d0).or.(imin > Nabc)) then
!$OMP TASKWAIT !$OMP TASKWAIT
call wall_time(t01) call wall_time(t01)
@ -300,8 +301,11 @@ subroutine ccsd_par_t_space_stoch(nO,nV,t1,t2,f_o,f_v,v_vvvo,v_vvoo,v_vooo,energ
do isample=1,nbuckets do isample=1,nbuckets
if (imin >= bounds(2,isample)) then if (imin > bounds(2,isample)) then
energy_det = energy_det + sum(memo(bounds(1,isample):bounds(2,isample))) if (ED(isample) == 0.d0) then
ED(isample) = sum(memo(bounds(1,isample):bounds(2,isample)))
endif
energy_det = energy_det + ED(isample)
scale = scale - wsum(isample) scale = scale - wsum(isample)
else else
exit exit
@ -310,12 +314,14 @@ subroutine ccsd_par_t_space_stoch(nO,nV,t1,t2,f_o,f_v,v_vvvo,v_vvoo,v_vooo,energ
isample = min(isample,nbuckets) isample = min(isample,nbuckets)
do ieta=bounds(1,isample), Nabc do ieta=bounds(1,isample), Nabc
w = dble(max(sampled(ieta),0_8)) if (sampled(ieta) < 0_8) cycle
w = dble(sampled(ieta))
tmp = w * memo(ieta) * Pabc(ieta) tmp = w * memo(ieta) * Pabc(ieta)
ET = ET + tmp ET = ET + tmp
ET2 = ET2 + tmp * memo(ieta) * Pabc(ieta) ET2 = ET2 + tmp * memo(ieta) * Pabc(ieta)
norm = norm + w norm = norm + w
enddo enddo
norm = norm/scale norm = norm/scale
if (norm > 0.d0) then if (norm > 0.d0) then
energy_stoch = ET / norm energy_stoch = ET / norm
@ -327,7 +333,7 @@ subroutine ccsd_par_t_space_stoch(nO,nV,t1,t2,f_o,f_v,v_vvvo,v_vvoo,v_vooo,energ
print '('' '',F20.8, '' '', ES12.4,'' '', F8.2,'' '')', eccsd+energy, dsqrt(variance/(norm-1.d0)), 100.*real(Ncomputed)/real(Nabc) print '('' '',F20.8, '' '', ES12.4,'' '', F8.2,'' '')', eccsd+energy, dsqrt(variance/(norm-1.d0)), 100.*real(Ncomputed)/real(Nabc)
endif endif
!$OMP END MASTER !$OMP END MASTER
if (imin >= Nabc) exit if (imin > Nabc) exit
enddo enddo
!$OMP END PARALLEL !$OMP END PARALLEL