uni20::tensor_network::TwoSiteDmrgSweepSummary< Real > Struct Template Reference

Aggregate diagnostics for one completed directional DMRG sweep. More...

#include <two_site_dmrg.hpp>

Collaboration diagram for uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >:

Public Attributes
bool	converged
	Whether this sweep satisfied the run convergence test.
MpsSweepDirection	direction
	Direction visited by this sweep.
std::optional< Real >	energy_change
	Absolute change from the preceding valid terminal energy.
std::size_t	maximum_bond_dimension
	Largest retained internal-bond dimension over the sweep.
Real	maximum_discarded_weight
	Largest normalized discarded weight over the sweep.
Real	maximum_residual_bound
	Largest local Ritz residual bound over the sweep.
std::size_t	sweep_index
	Zero-based directional sweep index.
Real	terminal_discarded_weight
	Terminal-bond normalized discarded squared norm.
bool	terminal_energy_is_global
	Whether the terminal local energy is also the installed global-state energy.
Real	terminal_local_energy
	Local Ritz value from the terminal bond before its SVD.
int	total_iteration_count
	Sum of local Lanczos projection steps.
int	total_matvec_count
	Sum of effective-Hamiltonian applications.

Detailed Description

template<uni20::Real Real>
struct uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >

Aggregate diagnostics for one completed directional DMRG sweep.

Template Parameters

Real	Real component type of the MPS scalar.

Member Data Documentation

converged

template<uni20::Real Real>

bool uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >::converged

Whether this sweep satisfied the run convergence test.

direction

template<uni20::Real Real>

MpsSweepDirection uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >::direction

Direction visited by this sweep.

energy_change

template<uni20::Real Real>

std::optional<Real> uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >::energy_change

Absolute change from the preceding valid terminal energy.

maximum_bond_dimension

template<uni20::Real Real>

std::size_t uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >::maximum_bond_dimension

Largest retained internal-bond dimension over the sweep.

maximum_discarded_weight

template<uni20::Real Real>

Real uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >::maximum_discarded_weight

Largest normalized discarded weight over the sweep.

maximum_residual_bound

template<uni20::Real Real>

Real uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >::maximum_residual_bound

Largest local Ritz residual bound over the sweep.

sweep_index

template<uni20::Real Real>

std::size_t uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >::sweep_index

Zero-based directional sweep index.

terminal_discarded_weight

template<uni20::Real Real>

Real uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >::terminal_discarded_weight

Terminal-bond normalized discarded squared norm.

terminal_energy_is_global

template<uni20::Real Real>

bool uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >::terminal_energy_is_global

Whether the terminal local energy is also the installed global-state energy.

terminal_local_energy

template<uni20::Real Real>

Real uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >::terminal_local_energy

Local Ritz value from the terminal bond before its SVD.

total_iteration_count

template<uni20::Real Real>

int uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >::total_iteration_count

Sum of local Lanczos projection steps.

total_matvec_count

template<uni20::Real Real>

int uni20::tensor_network::TwoSiteDmrgSweepSummary< Real >::total_matvec_count

Sum of effective-Hamiltonian applications.

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The documentation for this struct was generated from the following file:

• two_site_dmrg.hpp