bit_field_expander.h File Reference

Expands bitfields on SpiNNaker to reduce data transfer times. More...

#include <bit_field.h>
#include <neuron/synapse_row.h>
#include <neuron/population_table/population_table.h>
#include <neuron/structural_plasticity/synaptogenesis/sp_structs.h>
#include <filter_info.h>
#include <key_atom_map.h>

Go to the source code of this file.

Functions
static bool	do_sdram_read_and_test (synaptic_row_t row_data, pop_table_lookup_result_t *result)
	Read row and test if there are any synapses.
static void	determine_redundancy (filter_region_t *bitfield_filters)
	Determine which bit fields are redundant.
static bool	generate_bit_field (filter_region_t *bitfield_filters, uint32_t *n_atom_data, void *synaptic_matrix, void *structural_matrix, pre_pop_info_table_t *pre_info, synaptic_row_t row_data)
	Create the bitfield for this master pop table and synaptic matrix.
static bool	do_bitfield_generation (uint32_t *n_atom_data_sdram, void *master_pop, void *synaptic_matrix, void *bitfield_filters, void *structural_matrix)
	Entry point.

Variables
static uint32_t	master_pop_table_length
static master_population_table_entry *	master_pop_table
static address_list_entry *	address_list

Detailed Description

Expands bitfields on SpiNNaker to reduce data transfer times.

Definition in file bit_field_expander.h.

Function Documentation

do_sdram_read_and_test()

static bool do_sdram_read_and_test ( synaptic_row_t  row_data, pop_table_lookup_result_t *  result  )

static

Read row and test if there are any synapses.

Parameters

[in]	row_data	The DTCM address to read into
[in]	row	the SDRAM address to read
[in]	n_bytes_to_transfer	how many bytes to read to get the synaptic row

Returns

Whether there is target

Definition at line 38 of file bit_field_expander.h.

determine_redundancy()

static void determine_redundancy ( filter_region_t *  bitfield_filters )

inlinestatic

Determine which bit fields are redundant.

Definition at line 62 of file bit_field_expander.h.

generate_bit_field()

static bool generate_bit_field ( filter_region_t *  bitfield_filters, uint32_t *  n_atom_data, void *  synaptic_matrix, void *  structural_matrix, pre_pop_info_table_t *  pre_info, synaptic_row_t  row_data  )

inlinestatic

Create the bitfield for this master pop table and synaptic matrix.

Returns

Whether it was successful at generating the bitfield

Definition at line 78 of file bit_field_expander.h.

do_bitfield_generation()

static bool do_bitfield_generation ( uint32_t *  n_atom_data_sdram, void *  master_pop, void *  synaptic_matrix, void *  bitfield_filters, void *  structural_matrix  )

static

Entry point.

Definition at line 172 of file bit_field_expander.h.

Variable Documentation

master_pop_table_length

uint32_t master_pop_table_length

static

Definition at line 28 of file bit_field_expander.h.

master_pop_table

master_population_table_entry* master_pop_table

static

Definition at line 29 of file bit_field_expander.h.

address_list

address_list_entry* address_list

static

Definition at line 30 of file bit_field_expander.h.