sc::R12IntsAcc_MPIIOFile

NAME

sc::R12IntsAcc_MPIIOFile

SYNOPSIS

Inherits sc::R12IntsAcc.

Inherited by sc::R12IntsAcc_MPIIOFile_Ind.

Classes

struct PairBlkInfo

Public Member Functions

R12IntsAcc_MPIIOFile (Ref< MemoryGrp > &mem, const char *filename, int num_te_types, int ni, int nj, int nx, int ny)
R12IntsAcc_MPIIOFile (StateIn &)
void save_data_state (StateOut &)
Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR initializes them.
void store_pair_block (int i, int j, double *ints)
Stores an ij pair block of integrals to the file.
void commit ()
Commit the content of the accumulator for reading - deactivate the associated MemoryGrp and activate the accumulator.
void activate ()
Call when ready to read content.
void deactivate ()
Done reading content - activate the associated MemoryGrp This is a collective operation.
void release_pair_block (int i, int j, tbint_type oper_type)
Releases an ij pair block of integrals.
bool is_local (int i, int j) const
Is this block stored locally?
bool is_avail (int i, int j) const
In this implementation blocks are available everywhere.
bool has_access (int proc) const
Does this task have access to all the integrals?
bool can_restart () const
Can restart MPI-IO-based accumulator.
int ij_index (int i, int j) const

Protected Member Functions

void check_error_code_ (int errcod) const
Utility function to check MPI I/O error codes.
void init (bool restart)
int ntasks () const
total number of tasks
int taskid () const
ID of this task.

Protected Attributes

Ref< MemoryGrp > mem_
int nproc_
size_t nints_per_block_
char * filename_
MPI_File datafile_
struct sc::R12IntsAcc_MPIIOFile::PairBlkInfo * pairblk_

Additional Inherited Members

Member Function Documentation

void sc::R12IntsAcc_MPIIOFile::activate () [virtual]

Call when ready to read content.

Reimplemented from sc::R12IntsAcc.

bool sc::R12IntsAcc_MPIIOFile::can_restart () const [inline], [virtual]

Can restart MPI-IO-based accumulator.

Implements sc::R12IntsAcc.

void sc::R12IntsAcc_MPIIOFile::commit () [virtual]

Commit the content of the accumulator for reading - deactivate the associated MemoryGrp and activate the accumulator. This is a collective operation.

Reimplemented from sc::R12IntsAcc.

void sc::R12IntsAcc_MPIIOFile::deactivate () [virtual]

Done reading content - activate the associated MemoryGrp This is a collective operation.

Reimplemented from sc::R12IntsAcc.

bool sc::R12IntsAcc_MPIIOFile::has_access (int proc) const [inline],[virtual]

Does this task have access to all the integrals?

Implements sc::R12IntsAcc.

bool sc::R12IntsAcc_MPIIOFile::is_avail (int i, int j) const [inline],[virtual]

In this implementation blocks are available everywhere.

Implements sc::R12IntsAcc.

bool sc::R12IntsAcc_MPIIOFile::is_local (int i, int j) const [inline],[virtual]

Is this block stored locally?

Implements sc::R12IntsAcc.

int sc::R12IntsAcc_MPIIOFile::ntasks () const [inline], [protected],[virtual]

total number of tasks

Implements sc::R12IntsAcc.

void sc::R12IntsAcc_MPIIOFile::release_pair_block (int i, int j, tbint_typeoper_type) [virtual]

Releases an ij pair block of integrals.

Implements sc::R12IntsAcc.

void sc::R12IntsAcc_MPIIOFile::save_data_state (StateOut &) [virtual]

Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR initializes them. This must be implemented by the derived class if the class has data.

Reimplemented from sc::R12IntsAcc.

Reimplemented in sc::R12IntsAcc_MPIIOFile_Ind.

void sc::R12IntsAcc_MPIIOFile::store_pair_block (int i, int j, double * ints)[virtual]

Stores an ij pair block of integrals to the file.

Implements sc::R12IntsAcc.

int sc::R12IntsAcc_MPIIOFile::taskid () const [inline], [protected],[virtual]

ID of this task.

Implements sc::R12IntsAcc.

Author

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