sPyNNaker neural_modelling 7.2.2
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STDP core implementation. More...
#include <static-assert.h>
#include <neuron/synapses.h>
#include "maths.h"
#include "post_events.h"
#include "weight_dependence/weight.h"
#include "timing_dependence/timing.h"
#include <debug.h>
#include <utils.h>
#include <neuron/plasticity/synapse_dynamics.h>
#include <stddef.h>
Go to the source code of this file.
Data Structures | |
struct | pre_event_history_t |
The type of history data of pre-events. More... | |
struct | stdp_params |
The type of configuration parameters in SDRAM (written by host) More... | |
struct | fixed_stdp_synapse |
Macros | |
#define | SYNAPSE_AXONAL_DELAY_BITS 3 |
#define | SYNAPSE_AXONAL_DELAY_MASK ((1 << SYNAPSE_AXONAL_DELAY_BITS) - 1) |
Functions | |
static bool | synapse_dynamics_stdp_init (address_t *address, stdp_params *params, uint32_t n_synapse_types, uint32_t *ring_buffer_to_input_buffer_left_shifts) |
input_t | synapse_dynamics_get_intrinsic_bias (uint32_t time, index_t neuron_index) |
uint32_t | synapse_dynamics_get_plastic_pre_synaptic_events (void) |
Get the counters for plastic pre synaptic events based on (if the model was compiled with SYNAPSE_BENCHMARK parameter) or returns 0. | |
uint32_t | synapse_dynamics_get_plastic_saturation_count (void) |
Get the number of ring buffer saturation events due to adding plastic weights. | |
static fixed_stdp_synapse | synapse_dynamics_stdp_get_fixed (uint32_t control_word, uint32_t time, uint32_t colour_delay) |
static void | synapse_dynamics_stdp_update_ring_buffers (weight_t *ring_buffers, fixed_stdp_synapse s, int32_t weight) |
static control_t | control_conversion (uint32_t id, uint32_t delay, uint32_t type) |
packing all of the information into the required plastic control word | |
uint32_t | synapse_dynamics_n_connections_in_row (synapse_row_fixed_part_t *fixed) |
Get the number of connections in the given row. | |
Variables | |
static stdp_params | params |
Configuration parameters. | |
static post_event_history_t * | post_event_history |
The history data of post-events. | |
static uint32_t | num_plastic_pre_synaptic_events = 0 |
Count of pre-synaptic events relevant to plastic processing. | |
static uint32_t | plastic_saturation_count = 0 |
Count of times that the plastic math became saturated. | |
STDP core implementation.
Definition in file synapse_dynamics_stdp_common.h.
struct pre_event_history_t |
The type of history data of pre-events.
This data is stored in SDRAM in the plastic part of the synaptic matrix
Definition at line 72 of file synapse_dynamics_stdp_common.h.
Data Fields | ||
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uint32_t | prev_time | The event time. |
pre_trace_t | prev_trace | The event trace. |
struct stdp_params |
The type of configuration parameters in SDRAM (written by host)
Definition at line 80 of file synapse_dynamics_stdp_common.h.
Data Fields | ||
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uint32_t | backprop_delay | The back-propagation delay, in basic simulation timesteps. |
struct fixed_stdp_synapse |
Definition at line 85 of file synapse_dynamics_stdp_common.h.
Data Fields | ||
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uint32_t | delay_dendritic | |
uint32_t | delay_axonal | |
uint32_t | type | |
uint32_t | index | |
uint32_t | type_index | |
uint32_t | ring_buffer_index |
#define SYNAPSE_AXONAL_DELAY_BITS 3 |
Definition at line 60 of file synapse_dynamics_stdp_common.h.
#define SYNAPSE_AXONAL_DELAY_MASK ((1 << SYNAPSE_AXONAL_DELAY_BITS) - 1) |
Definition at line 63 of file synapse_dynamics_stdp_common.h.
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inlinestatic |
Definition at line 113 of file synapse_dynamics_stdp_common.h.
Definition at line 141 of file synapse_dynamics_stdp_common.h.
uint32_t synapse_dynamics_get_plastic_pre_synaptic_events | ( | void | ) |
Get the counters for plastic pre synaptic events based on (if the model was compiled with SYNAPSE_BENCHMARK parameter) or returns 0.
Definition at line 146 of file synapse_dynamics_stdp_common.h.
uint32_t synapse_dynamics_get_plastic_saturation_count | ( | void | ) |
Get the number of ring buffer saturation events due to adding plastic weights.
Definition at line 150 of file synapse_dynamics_stdp_common.h.
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Definition at line 154 of file synapse_dynamics_stdp_common.h.
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Definition at line 178 of file synapse_dynamics_stdp_common.h.
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packing all of the information into the required plastic control word
Definition at line 192 of file synapse_dynamics_stdp_common.h.
uint32_t synapse_dynamics_n_connections_in_row | ( | synapse_row_fixed_part_t * | fixed | ) |
Get the number of connections in the given row.
[in] | fixed | the fixed region of the synaptic row |
Definition at line 201 of file synapse_dynamics_stdp_common.h.
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Configuration parameters.
Definition at line 95 of file synapse_dynamics_stdp_common.h.
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The history data of post-events.
Definition at line 98 of file synapse_dynamics_stdp_common.h.
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Count of pre-synaptic events relevant to plastic processing.
Definition at line 101 of file synapse_dynamics_stdp_common.h.
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Count of times that the plastic math became saturated.
Definition at line 104 of file synapse_dynamics_stdp_common.h.