sc_R12IntsAcc_Node0File man page

sc::R12IntsAcc_Node0File —

Synopsis

Inherits sc::R12IntsAcc.

Public Member Functions

R12IntsAcc_Node0File (Ref< MemoryGrp > &mem, const char *filename, int num_te_types, int ni, int nj, int nx, int ny)

R12IntsAcc_Node0File (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_memorygrp (Ref< MemoryGrp > &mem, int ni, const size_t blksize=0)
Stores all pair block of integrals held in mem.
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 start reading content.
void deactivate ()
Done reading content - activate the associated MemoryGrp This is a collective operation.
double * retrieve_pair_block (int i, int j, tbint_type oper_type)
Retrieves an ij pair block of integrals from the file.
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 only on node 0.
bool has_access (int proc) const
Does this task have access to all the integrals?
bool can_restart () const
Can restart Node0File-based accumulator.
int ij_index (int i, int j) const

int ij_proc (int i, int j) const

Additional Inherited Members

Member Function Documentation

void sc::R12IntsAcc_Node0File::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_Node0File::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.

void sc::R12IntsAcc_Node0File::store_memorygrp (Ref< MemoryGrp > & mem, int ni, const size_t blksize = 0) [virtual]

Stores all pair block of integrals held in mem. By default blocks are appended to the end of the same file, i.e. they are assumed to have come from consecutive passes of the same transformation. This is a collective operation. See documentation for R12IntsAcc::store_memorygrp() for more info.

Implements sc::R12IntsAcc.

Author

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Info

Fri May 6 2016 Version 2.3.1 MPQC