sPyNNaker neural_modelling 7.2.2
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Fixed-Number-Pre (fan-in) Connection generator implementation. More...
Go to the source code of this file.
Data Structures | |
struct | fixed_pre_params |
The parameters that can be copied from SDRAM. More... | |
struct | fixed_pre |
The data to be passed around. More... | |
Functions | |
static uint32_t | pre_random_in_range (rng_t *rng, uint32_t range) |
Generates a uniformly-distributed random number. | |
static void * | connection_generator_fixed_pre_initialise (void **region) |
Initialise the fixed-pre connection generator. | |
void | connection_generator_fixed_pre_free (void *generator) |
Free the fixed-pre connection generator. | |
bool | connection_generator_fixed_pre_generate (void *generator, uint32_t pre_lo, uint32_t pre_hi, uint32_t post_lo, uint32_t post_hi, uint32_t post_index, uint32_t post_slice_start, uint32_t post_slice_count, unsigned long accum weight_scale, accum timestep_per_delay, param_generator_t weight_generator, param_generator_t delay_generator, matrix_generator_t matrix_generator) |
Generate connections with the fixed-pre connection generator. | |
Fixed-Number-Pre (fan-in) Connection generator implementation.
Each post-neuron is connected to exactly n pre-neurons (chosen at random).
Definition in file connection_generator_fixed_pre.h.
struct fixed_pre_params |
The parameters that can be copied from SDRAM.
Definition at line 29 of file connection_generator_fixed_pre.h.
Data Fields | ||
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uint32_t | allow_self_connections | |
uint32_t | with_replacement | |
uint32_t | n_pre |
struct fixed_pre |
The data to be passed around.
Definition at line 38 of file connection_generator_fixed_pre.h.
Data Fields | ||
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struct fixed_pre_params | params |
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static |
Generates a uniformly-distributed random number.
[in] | rng | the RNG to generate with |
[in] | range | the (upper, exclusive) limit of the range of random numbers that may be generated. Should be in range 0..65536 |
Definition at line 49 of file connection_generator_fixed_pre.h.
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static |
Initialise the fixed-pre connection generator.
[in,out] | region | Region to read parameters from. Should be updated to position just after parameters after calling. |
Definition at line 60 of file connection_generator_fixed_pre.h.
void connection_generator_fixed_pre_free | ( | void * | generator | ) |
Free the fixed-pre connection generator.
[in] | generator | The generator to free |
Definition at line 82 of file connection_generator_fixed_pre.h.
bool connection_generator_fixed_pre_generate | ( | void * | generator, |
uint32_t | pre_lo, | ||
uint32_t | pre_hi, | ||
uint32_t | post_lo, | ||
uint32_t | post_hi, | ||
uint32_t | post_index, | ||
uint32_t | post_slice_start, | ||
uint32_t | post_slice_count, | ||
unsigned long accum | weight_scale, | ||
accum | timestep_per_delay, | ||
param_generator_t | weight_generator, | ||
param_generator_t | delay_generator, | ||
matrix_generator_t | matrix_generator | ||
) |
Generate connections with the fixed-pre connection generator.
[in] | generator | The generator to use to generate connections |
[in] | pre_slice_start | The start of the slice of the pre-population being generated |
[in] | pre_slice_count | The number of neurons in the slice of the pre-population being generated |
[in] | pre_neuron_index | The index of the neuron in the pre-population being generated |
[in] | post_slice_start | The start of the slice of the post-population being generated |
[in] | post_slice_count | The number of neurons in the slice of the post-population being generated |
[in] | max_row_length | The maximum number of connections to generate |
[in,out] | indices | An array into which the core-relative post-indices should be placed. This will be initialised to be max_row_length in size |
Definition at line 105 of file connection_generator_fixed_pre.h.