Parallel reading/writing in HDF5 format. More...

#include <arcane/hdf5/Hdf5MpiReaderWriter.h>

Inheritance diagram for Arcane::Hdf5MpiReaderWriter:

Collaboration diagram for Arcane::Hdf5MpiReaderWriter:

Classes
class	VarOffset

Public Types
enum	eOpenMode { OpenModeRead , OpenModeTruncate , OpenModeAppend }

Public Member Functions
	Hdf5MpiReaderWriter (ISubDomain *sd, const String &filename, const String &m_sub_group_name, Integer fileset_size, eOpenMode om, bool do_verif=false)
virtual void	initialize ()
virtual void	beginWrite (const VariableCollection &vars)
virtual void	endWrite ()
virtual void	beginRead (const VariableCollection &)
virtual void	endRead ()
virtual void	setMetaData (const String &meta_data)
	Sets the metadata information.
virtual String	metaData ()
	Metadata.
virtual void	write (IVariable v, IData data)
	Writes the data data of the variable var.
virtual void	read (IVariable v, IData data)
	Reads the data data of the variable var.
herr_t	iterateMe (hid_t group_id, const char *member_name)
Public Member Functions inherited from Arcane::TraceAccessor
	TraceAccessor (ITraceMng *m)
	Constructs an accessor via the trace manager m.
	TraceAccessor (const TraceAccessor &rhs)
	Copy constructor.
TraceAccessor &	operator= (const TraceAccessor &rhs)
	Copy assignment operator.
virtual	~TraceAccessor ()
	Frees resources.
ITraceMng *	traceMng () const
	Trace manager.
TraceMessage	info () const
	Flow for an information message.
TraceMessage	pinfo () const
	Flow for a parallel information message.
TraceMessage	info (char category) const
	Flow for an information message of a given category.
TraceMessage	pinfo (char category) const
	Flow for a parallel information message of a given category.
TraceMessage	info (bool v) const
	Flow for an information message.
TraceMessage	warning () const
	Flow for a warning message.
TraceMessage	pwarning () const
TraceMessage	error () const
	Flow for an error message.
TraceMessage	perror () const
TraceMessage	log () const
	Flow for a log message.
TraceMessage	plog () const
	Flow for a log message.
TraceMessage	logdate () const
	Flow for a log message preceded by the date.
TraceMessage	fatal () const
	Flow for a fatal error message.
TraceMessage	pfatal () const
	Flow for a parallel fatal error message.
TraceMessageDbg	debug (Trace::eDebugLevel=Trace::Medium) const
	Flow for a debug message.
Trace::eDebugLevel	configDbgLevel () const
	Debug level of the configuration file.
TraceMessage	info (Int32 verbose_level) const
	Flow for an information message of a given level.
TraceMessage	linfo () const
	Flow for an information message with the local information level of this instance.
TraceMessage	linfo (Int32 relative_level) const
	Flow for an information message with the local information level of this instance.
void	fatalMessage (const StandaloneTraceMessage &o) const
Public Member Functions inherited from Arcane::IDataReader
virtual	~IDataReader ()=default
	Frees resources.
Public Member Functions inherited from Arcane::IDataWriter
virtual	~IDataWriter ()=default
	Frees resources.

Private Types
typedef std::map< String, VarOffset >	OffsetMap

Private Member Functions
void	_writeVal (const String &var_group_name, const String &sub_group_name, const ISerializedData *sdata)
void	_writeValParallel (IVariable v, const ISerializedData sdata)
void	_readVal (IVariable var, IData data)
Ref< ISerializedData >	_readDim2 (IVariable *v)
void	_directReadVal (IVariable v, IData data)
void	_directWriteVal (IVariable v, IData data)
void	_checkValid ()
String	_variableGroupName (IVariable *var)
void	_receiveRemoteVariables ()
void	_writeRemoteVariable (ISerializer *sb)
void	_setMetaData (const String &meta_data, const String &sub_group_name)

Private Attributes
ISubDomain *	m_sub_domain
	Sub-domain manager.
IParallelMng *	m_parallel_mng
	Parallelism manager;.
eOpenMode	m_open_mode
	Open mode.
String	m_filename
	Filename.
String	m_sub_group_name
	Sub-group name.
bool	m_is_initialized
	True if already initialized.
Hdf5Utils::StandardTypes	m_types
Hdf5Utils::HFile	m_file_id
	HDF file identifier.
Hdf5Utils::HGroup	m_sub_group_id
	HDF group identifier containing the protection.
Hdf5Utils::HGroup	m_variable_group_id
	HDF group identifier containing the variables.
StringList	m_variables_name
	List of saved variable names.
Timer	m_io_timer
Timer	m_write_timer
OffsetMap	m_variables_offset
bool	m_is_parallel
	Active parallel mode: WARNING: for testing only.
Int32	m_my_rank
Int32	m_send_rank
Int32	m_last_recv_rank
Integer	m_fileset_size

Additional Inherited Members
Protected Member Functions inherited from Arcane::TraceAccessor
void	_setLocalVerboseLevel (Int32 v)
Int32	_localVerboseLevel () const

Detailed Description

Parallel reading/writing in HDF5 format.

Warning: The management of reading/writing in this format is currently at the experimental stage and cannot be used to ensure long-term data persistence.

Definition at line 40 of file hdf5/Hdf5MpiReaderWriter.h.