syten::MPS::TDVP::PTDVP< enable > Class Template Reference

Parallel TDVP run, containing TDVP workers executing the actual calculations. More...

#include <tdvp_parallel.h>

Collaboration diagram for syten::MPS::TDVP::PTDVP< enable >:

Public Member Functions
void	do_step ()
	Does an entire time step sweeping forward and backward. More...
Conf const &	get_conf () const
	Get const lvalue ref to internal config, used by Python module. More...
Errors const &	get_errs () const
	Returns the total errors. More...
State	get_psi (bool const move=false, bool const verbose=false)
	Creates the full MPS from the partial MPSes in the workers. More...
State const &	get_ref_psi () const
	Gives a const ref. More...
std::vector< Timer >	get_timers () const
	Return timers. More...
void	init_timers ()
	Initialises the timer. More...
template<typename Archive >
void	load (Archive &ar, const unsigned int in_version)
	Serialization. More...
template<typename... Args>
void	logTrace (Index const rank, int const level, Args &&... whatever) const
	Log tracing information. More...
void	logTrace (Index const, int const level, Args &&... whatever) const
Index	mpi_rank () const
Index	mpi_size () const
PTDVP &	operator= (PTDVP &&other)
	Move assignment operator. More...
	PTDVP ()=default
	Default ctor. More...
	PTDVP (PTDVP &&other)
	Move ctor. More...
	PTDVP (State &&psi_, std::vector< Operator > &&ops_, Conf &&conf_, std::vector< Index > &&rbounds_)
	Standard ctor, constructs and assigns the worker objects and prepares the calculation. More...
bool	reached_final_T () const
	True if final time is reached. More...
void	run (int argc, char **argv, bool const do_step_=false)
	Run TDVP. More...
void	save () const
void	save () const
	Sends necessary data for serialization to main thread. More...
template<typename Archive >
void	save (Archive &ar, const unsigned)
	Serialization. More...
template<typename Archive >
void	save (Archive &ar, const unsigned) const
	Overload to satisfy boost. More...

Static Public Attributes
static constexpr unsigned int	version = 1
	Bump this if data changes. More...

Private Member Functions
void	check_norms_renormalise (Vec< SRDef > const &n)
void	check_norms_renormalise (Vec< SRDef > const &n)
	Check norms and renormalise. More...
bool	checkSignals () const
	Return false if we must exit due to having received some signal. More...
std::vector< SRDef >	compute_norms () const
std::vector< SRDef >	compute_norms () const
	Compute norms. More...
template<typename T >
void	init_distribute (Index const t, T &input, T &target) const
	Distribute data in setup. More...
void	init_distribute (Index const t, T &input, T &target) const
void	init_worker (Index const t, std::vector< Operator > &&op, State &&psi, Vec< Conf > &confs, Tensor< 2 > &c, Index const lbound, Index const rbound)
void	init_worker (Index const t, std::vector< Operator > &&op, State &&psi, Vec< Conf > &confs, Tensor< 2 > &c, Index const lbound, Index const rbound)
	Initialises workers. More...
void	mpi_clear (std::vector< T > &) const
void	mpi_clear_save ()
void	mpi_comm_after_sync ()
void	mpi_comm_before_sync ()
void	mpi_init (bool const)
void	mpi_sync_errs ()
void	mpi_sync_positions ()
void	mpi_sync_save ()
void	mpi_sync_zero_pos ()
void	print_timers () const
void	print_timers () const
	Prints timers. More...
std::string	saveState (bool const verbose=false)
	Saves the state to disk and returns the filename used. More...
void	sweep ()
void	sweep ()
	Performs the actual sweeping. More...
void	sync (SRDef const forward_prefactor, SRDef const backward_prefactor, std::string const &id)
void	sync (SRDef const forward_prefactor, SRDef const backward_prefactor, std::string const &id)
	Performs sync of the boundaries. More...
std::vector< State >	sync_state (bool const move)
std::vector< State >	sync_state (bool const move)
	Sync to construct state. More...

Private Attributes
Conf	conf
	Config containing the parameters. More...
std::vector< Tensor< 2 > >	connections
	vector of connectors between consecutive segments, already inverted More...
Errors	errs
	Total errors. More...
Index	length
	Total system size. More...
Index	numWorkers
	number of workers, constant throughout the calculation More...
std::vector< Worker >	workers
	vector of worker objects More...

Static Private Attributes
static std::string const	uuid = "877097c2-ceba-11eb-b8bc-0242ac130003"
	UUID. More...

MPI related stuff.
mpi::Communicator	world = SYTEN_MPI_VOID_COMMUNICATOR
	Used for MPI communication. More...
static constexpr mpi::Enable	enabled = enable
	Stores switch. More...
void	mpi_init (bool const is_copy)
	Initialises communicator. More...
void	mpi_comm_before_sync ()
	Communication before sync. More...
void	mpi_comm_after_sync ()
	Communication after sync. More...
void	mpi_sync_positions ()
	Syncronize all worker positions to main. More...
void	mpi_sync_zero_pos ()
	Syncronizes zero position of all workers. More...
template<typename T >
void	mpi_clear (std::vector< T > &v) const
	Clear all but this slot. More...
void	mpi_sync_errs ()
	Syncs all errors to main worker. More...
void	mpi_sync_save ()
	Syncs workers and connectors before serialization. More...
void	mpi_clear_save ()
	Clears unnecessary stuff afterwards. More...
Index	mpi_size () const
	Number of slots. More...
Index	mpi_rank () const
	Current rank. More...
bool	mpi_main () const
	One of these is not like the others. More...

Detailed Description

template<mpi::Enable enable = mpi::Enable::No>
class syten::MPS::TDVP::PTDVP< enable >

Parallel TDVP run, containing TDVP workers executing the actual calculations.

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

• inc/mps/tdvp_parallel.h