synapse_structure_weight_state_accumulator_impl.h File Reference

Synapse made of weight, accumulator, and other state. More...

#include "synapse_structure.h"

Go to the source code of this file.

Data Structures
struct	plastic_synapse_t
	Plastic synapse contains normal 16-bit weight and an accumulator. More...
struct	update_state_t

Typedefs
typedef plastic_synapse_t	final_state_t
	Final states are actually directly what is stored.

Functions
static update_state_t	synapse_structure_get_update_state (plastic_synapse_t synaptic_word, index_t synapse_type)
	Get the update state from the synapse structure.
static final_state_t	synapse_structure_get_final_state (update_state_t state)
	Get the final state from the update state.
static weight_t	synapse_structure_get_final_weight (final_state_t final_state)
	Get the final weight from the final state.
static plastic_synapse_t	synapse_structure_get_final_synaptic_word (final_state_t final_state)
	Get the final plastic synapse data from the final state.
static plastic_synapse_t	synapse_structure_create_synapse (weight_t weight)
	Create the initial plastic synapse data.
static weight_t	synapse_structure_get_weight (plastic_synapse_t synaptic_word)
	Get the current synaptic weight from the plastic synapse data.
static void	synapse_structure_decay_weight (update_state_t *state, uint32_t decay)
static accum	synapse_structure_get_update_weight (update_state_t state)

Detailed Description

Synapse made of weight, accumulator, and other state.

Definition in file synapse_structure_weight_state_accumulator_impl.h.

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Data Structure Documentation

plastic_synapse_t

struct plastic_synapse_t

Plastic synapse contains normal 16-bit weight and an accumulator.

Plastic synapse contains normal 16-bit weight, a small state machine, an accumulator, and the size of the relevance window.

Plastic synapse contains normal 16-bit weight, a small state machine and an accumulator

Definition at line 26 of file synapse_structure_weight_accumulator_impl.h.

Data Fields
weight_t	weight	The state. Weight.
int16_t	accumulator	The accumulator.
int8_t	accumulator	Accumulator.
uint8_t	state	State machine state.
unsigned int	weight: 16	The weight.
int	accumulator: 4	The accumulator.
unsigned int	state: 2	The state machine state.
unsigned int	window_length: 10	The window length.

update_state_t

struct update_state_t

The update state is a weight state with 32-bit ARM-friendly version of the accumulator

The update state is a weight state with 32-bit ARM-friendly versions of the accumulator and the state

The update state is a weight state with 32-bit ARM-friendly versions of the accumulator, state and window length

Definition at line 35 of file synapse_structure_weight_accumulator_impl.h.

Data Fields
weight_state_t	weight_state	The weight staet. The weight state. Weight state.
int32_t	accumulator	The accumulator (in ARM-friendly format) The accumulator. Accumulator.
int32_t	state	State machine state. The state machine state.
uint32_t	window_length	The window length.

Typedef Documentation

final_state_t

typedef plastic_synapse_t final_state_t

Final states are actually directly what is stored.

Definition at line 42 of file synapse_structure_weight_state_accumulator_impl.h.

Function Documentation

synapse_structure_get_update_state()

static update_state_t synapse_structure_get_update_state ( plastic_synapse_t  synaptic_word, index_t  synapse_type  )

inlinestatic

Get the update state from the synapse structure.

Parameters

[in]	synaptic_word	The plastic synapse data
[in]	synapse_type	What (supported) type of synapse is this?

Returns

The update state

Creates update state, using weight dependence to initialise the weight state, and copying other parameters from the synaptic word into 32-bit form

Definition at line 54 of file synapse_structure_weight_state_accumulator_impl.h.

synapse_structure_get_final_state()

static final_state_t synapse_structure_get_final_state ( update_state_t  state )

inlinestatic

Get the final state from the update state.

Parameters

[in]

state

the update state

Returns

the final state

Definition at line 68 of file synapse_structure_weight_state_accumulator_impl.h.

synapse_structure_get_final_weight()

static weight_t synapse_structure_get_final_weight ( final_state_t  final_state )

inlinestatic

Get the final weight from the final state.

Parameters

[in]

final_state

the final state

Returns

the final weight

Definition at line 85 of file synapse_structure_weight_state_accumulator_impl.h.

synapse_structure_get_final_synaptic_word()

static plastic_synapse_t synapse_structure_get_final_synaptic_word ( final_state_t  final_state )

inlinestatic

Get the final plastic synapse data from the final state.

Parameters

[in]

final_state

the final state

Returns

the final plastic synapse data, ready to be stored

Definition at line 94 of file synapse_structure_weight_state_accumulator_impl.h.

synapse_structure_create_synapse()

static plastic_synapse_t synapse_structure_create_synapse ( weight_t  weight )

inlinestatic

Create the initial plastic synapse data.

Parameters

[in]

weight

the initial synaptic weight

Returns

the plastic synapse data

Definition at line 103 of file synapse_structure_weight_state_accumulator_impl.h.

synapse_structure_get_weight()

static weight_t synapse_structure_get_weight ( plastic_synapse_t  synaptic_word )

inlinestatic

Get the current synaptic weight from the plastic synapse data.

Parameters

[in]

synaptic_word

the plastic synapse data

Returns

the current synaptic weight

Definition at line 117 of file synapse_structure_weight_state_accumulator_impl.h.

synapse_structure_decay_weight()

static void synapse_structure_decay_weight ( update_state_t *  state, uint32_t  decay  )

inlinestatic

Definition at line 122 of file synapse_structure_weight_state_accumulator_impl.h.

synapse_structure_get_update_weight()

static accum synapse_structure_get_update_weight ( update_state_t  state )

inlinestatic

Definition at line 127 of file synapse_structure_weight_state_accumulator_impl.h.