use crate::advanced_jit_compilation::config::NeuromorphicConfig;
use crate::error::CoreResult;
use std::collections::HashMap;
use std::time::{Duration, Instant};
#[derive(Debug)]
pub struct NeuromorphicJitCompiler {
snn_compiler: SpikingNeuralNetworkCompiler,
plasticity_engine: SynapticPlasticityEngine,
event_optimizer: EventDrivenOptimizer,
temporal_compiler: TemporalDynamicsCompiler,
#[allow(dead_code)]
config: NeuromorphicConfig,
}
#[derive(Debug)]
pub struct SpikingNeuralNetworkCompiler {
#[allow(dead_code)]
neuron_models: HashMap<String, NeuronModel>,
#[allow(dead_code)]
synapse_models: HashMap<String, SynapseModel>,
#[allow(dead_code)]
network_topology: NetworkTopology,
#[allow(dead_code)]
spike_cache: SpikePatternCache,
}
#[derive(Debug, Clone)]
pub struct NeuronModel {
pub name: String,
pub model_type: NeuronType,
pub parameters: HashMap<String, f64>,
pub update_equation: String,
pub spike_threshold: f64,
pub reset_potential: f64,
}
#[derive(Debug, Clone)]
pub enum NeuronType {
LeakyIntegrateAndFire,
IzhikevichModel,
HodgkinHuxley,
AdaptiveExponential,
PoissonGenerator,
Custom(String),
}
#[derive(Debug, Clone)]
pub struct SynapseModel {
pub name: String,
pub synapse_type: SynapseType,
pub weight: f64,
pub delay: f64,
pub plasticity_rule: Option<PlasticityRule>,
}
#[derive(Debug, Clone)]
pub enum SynapseType {
Excitatory,
Inhibitory,
Modulatory,
Gap,
Custom(String),
}
#[derive(Debug, Clone)]
pub struct PlasticityRule {
pub rule_type: PlasticityType,
pub learningrate: f64,
pub time_constants: Vec<f64>,
pub weight_bounds: (f64, f64),
}
#[derive(Debug, Clone)]
pub enum PlasticityType {
STDP, VoltagePlasticity,
Homeostatic,
Metaplasticity,
Custom(String),
}
#[derive(Debug, Clone)]
pub struct NetworkTopology {
pub layers: Vec<Layer>,
pub connections: Vec<Connection>,
pub population_stats: PopulationStatistics,
}
#[derive(Debug, Clone)]
pub struct Layer {
pub id: usize,
pub name: String,
pub size: usize,
pub neuron_model: String,
pub layer_type: LayerType,
}
#[derive(Debug, Clone)]
pub enum LayerType {
Input,
Hidden,
Output,
Reservoir,
Memory,
Custom(String),
}
#[derive(Debug, Clone)]
pub struct Connection {
pub source_layer: usize,
pub target_layer: usize,
pub pattern: ConnectionPattern,
pub synapse_model: String,
}
#[derive(Debug, Clone)]
pub enum ConnectionPattern {
FullyConnected,
RandomSparse(f64),
LocalConnectivity(usize),
SmallWorld { prob: f64, k: usize },
ScaleFree { gamma: f64 },
Custom(String),
}
#[derive(Debug, Clone)]
pub struct PopulationStatistics {
pub total_neurons: usize,
pub total_synapses: usize,
pub avg_connectivity: f64,
pub clustering_coefficient: f64,
}
impl Default for PopulationStatistics {
fn default() -> Self {
Self {
total_neurons: 0,
total_synapses: 0,
avg_connectivity: 0.0,
clustering_coefficient: 0.0,
}
}
}
#[derive(Debug)]
pub struct SpikePatternCache {
#[allow(dead_code)]
patterns: HashMap<String, SpikePattern>,
#[allow(dead_code)]
usage_stats: HashMap<String, PatternUsage>,
#[allow(dead_code)]
config: crate::advanced_jit_compilation::config::PatternCacheConfig,
}
#[derive(Debug, Clone)]
pub struct SpikePattern {
pub id: String,
pub spiketimes: Vec<f64>,
pub neuron_ids: Vec<usize>,
pub frequency: f64,
pub strength: f64,
}
#[derive(Debug, Clone)]
pub struct PatternUsage {
pub access_count: usize,
pub last_access: Instant,
pub compilation_time: Duration,
pub optimization_level: u8,
}
#[derive(Debug)]
pub struct SynapticPlasticityEngine {
#[allow(dead_code)]
active_rules: HashMap<String, PlasticityRule>,
#[allow(dead_code)]
learning_history: Vec<LearningEvent>,
#[allow(dead_code)]
plasticity_stats: PlasticityStatistics,
}
#[derive(Debug, Clone)]
pub struct LearningEvent {
pub timestamp: f64,
pub synapse_id: usize,
pub weight_delta: f64,
pub pre_spike_time: f64,
pub post_spike_time: f64,
pub rule_applied: String,
}
#[derive(Debug, Clone)]
pub struct PlasticityStatistics {
pub total_events: usize,
pub avg_weight_change: f64,
pub potentiation_events: usize,
pub depression_events: usize,
pub convergence_rate: f64,
}
#[derive(Debug)]
pub struct EventDrivenOptimizer {
#[allow(dead_code)]
event_queue: EventQueue,
#[allow(dead_code)]
strategies: HashMap<String, crate::advanced_jit_compilation::optimizer::OptimizationStrategy>,
#[allow(dead_code)]
performance_metrics: EventPerformanceMetrics,
}
#[derive(Debug)]
pub struct EventQueue {
#[allow(dead_code)]
events: Vec<SpikeEvent>,
#[allow(dead_code)]
capacity: usize,
#[allow(dead_code)]
current_time: f64,
}
#[derive(Debug, Clone)]
pub struct SpikeEvent {
pub time: f64,
pub source_neuron: usize,
pub target_neurons: Vec<usize>,
pub event_type: EventType,
pub strength: f64,
}
#[derive(Debug, Clone)]
pub enum EventType {
Spike,
WeightUpdate,
ThresholdAdjustment,
StateReset,
Custom(String),
}
#[derive(Debug, Clone)]
pub struct EventPerformanceMetrics {
pub events_per_second: f64,
pub avg_latency: Duration,
pub queue_utilization: f64,
pub optimization_efficiency: f64,
}
#[derive(Debug)]
pub struct TemporalDynamicsCompiler {
#[allow(dead_code)]
temporal_patterns: HashMap<String, TemporalPattern>,
#[allow(dead_code)]
dynamics_models: HashMap<String, DynamicsModel>,
#[allow(dead_code)]
temporal_stats: TemporalStatistics,
}
#[derive(Debug, Clone)]
pub struct TemporalPattern {
pub id: String,
pub time_series: Vec<(f64, f64)>, pub period: Option<f64>,
pub complexity: f64,
pub fourier_components: Vec<FourierComponent>,
}
#[derive(Debug, Clone)]
pub struct FourierComponent {
pub frequency: f64,
pub amplitude: f64,
pub phase: f64,
}
#[derive(Debug, Clone)]
pub struct DynamicsModel {
pub name: String,
pub model_type: DynamicsType,
pub state_variables: Vec<String>,
pub equations: Vec<String>,
pub parameters: HashMap<String, f64>,
}
#[derive(Debug, Clone)]
pub enum DynamicsType {
LinearDynamics,
NonlinearDynamics,
ChaoticDynamics,
StochasticDynamics,
HybridDynamics,
Custom(String),
}
#[derive(Debug, Clone)]
pub struct TemporalStatistics {
pub total_patterns: usize,
pub avg_pattern_length: f64,
pub dominant_frequencies: Vec<f64>,
pub temporal_complexity: f64,
pub prediction_accuracy: f64,
}
#[derive(Debug, Clone)]
pub struct NeuralNetwork {
pub layers: Vec<String>,
pub connections: Vec<(usize, usize)>,
}
#[derive(Debug, Clone)]
pub struct CompiledSNN {
pub spike_processingcode: String,
pub plasticitycode: String,
pub compilation_time: Instant,
pub network_stats: PopulationStatistics,
pub optimization_level: u8,
}
#[derive(Debug, Clone)]
pub struct SpikeOptimizationResult {
pub optimizations: Vec<PatternOptimization>,
pub total_patterns: usize,
pub avg_speedup: f64,
pub compilation_time: Duration,
}
#[derive(Debug, Clone)]
pub struct PatternOptimization {
pub pattern_id: String,
pub originalcode: String,
pub optimizedcode: String,
pub performance_gain: f64,
pub memory_reduction: f64,
}
#[derive(Debug, Clone)]
pub struct SpikeCharacteristics {
pub inter_spike_intervals: Vec<f64>,
pub burst_patterns: Vec<BurstPattern>,
pub frequency_spectrum: FrequencySpectrum,
pub temporal_correlation: f64,
pub complexity_measure: f64,
}
#[derive(Debug, Clone)]
pub struct BurstPattern {
pub start_time: f64,
pub end_time: f64,
pub spike_count: usize,
pub avg_frequency: f64,
}
#[derive(Debug, Clone)]
pub struct FrequencySpectrum {
pub mean_frequency: f64,
pub peak_frequency: f64,
pub spectral_entropy: f64,
pub dominant_frequencies: Vec<f64>,
}
#[derive(Debug, Clone)]
pub struct SpikePerformancePrediction {
pub speedup_factor: f64,
pub memory_reduction: f64,
pub energy_efficiency: f64,
pub latency_reduction: f64,
}
impl NeuromorphicJitCompiler {
pub fn new(config: NeuromorphicConfig) -> CoreResult<Self> {
let snn_compiler = SpikingNeuralNetworkCompiler::new(&config)?;
let plasticity_engine = SynapticPlasticityEngine::new(&config)?;
let event_optimizer = EventDrivenOptimizer::new(&config)?;
let temporal_compiler = TemporalDynamicsCompiler::new(&config)?;
Ok(Self {
snn_compiler,
plasticity_engine,
event_optimizer,
temporal_compiler,
config,
})
}
pub fn compile_snn(
&self,
_network: &NeuralNetwork,
_time_step: f64,
) -> CoreResult<CompiledSNN> {
let topology = NetworkTopology {
layers: Vec::new(),
connections: Vec::new(),
population_stats: PopulationStatistics::default(),
};
let spikecode = self.snn_compiler.generate_spikecode(&topology)?;
let temporalcode = self.temporal_compiler.compile_dynamics(&spikecode)?;
let optimizedcode = self
.event_optimizer
.optimize_event_processing(&temporalcode)?;
let plasticitycode = self.plasticity_engine.generate_plasticitycode(&topology)?;
Ok(CompiledSNN {
spike_processingcode: optimizedcode,
plasticitycode,
compilation_time: Instant::now(),
network_stats: PopulationStatistics::default(),
optimization_level: 3,
})
}
pub fn optimize_spike_patterns(
&mut self,
patterns: &[SpikePattern],
) -> CoreResult<SpikeOptimizationResult> {
let mut optimization_results = Vec::new();
for pattern in patterns {
let characteristics = self.analyze_spike_characteristics(pattern)?;
let optimizedcode = self.generate_optimized_spikecode(pattern, &characteristics)?;
let predicted_performance = self.predict_spike_performance(&optimizedcode)?;
optimization_results.push(PatternOptimization {
pattern_id: pattern.id.clone(),
originalcode: "spike_patterncode".to_string(), optimizedcode,
performance_gain: predicted_performance.speedup_factor,
memory_reduction: predicted_performance.memory_reduction,
});
}
let avg_speedup = optimization_results
.iter()
.map(|opt| opt.performance_gain)
.sum::<f64>()
/ patterns.len() as f64;
Ok(SpikeOptimizationResult {
optimizations: optimization_results,
total_patterns: patterns.len(),
avg_speedup,
compilation_time: Duration::from_millis(100), })
}
fn analyze_spike_characteristics(
&self,
pattern: &SpikePattern,
) -> CoreResult<SpikeCharacteristics> {
Ok(SpikeCharacteristics {
inter_spike_intervals: self.calculate_isi(&pattern.spiketimes)?,
burst_patterns: self.detect_bursts(&pattern.spiketimes)?,
frequency_spectrum: self.analyze_frequency_spectrum(&pattern.spiketimes)?,
temporal_correlation: self.calculate_temporal_correlation(&pattern.spiketimes)?,
complexity_measure: self.calculate_complexity(&pattern.spiketimes)?,
})
}
fn calculate_isi(&self, spiketimes: &[f64]) -> CoreResult<Vec<f64>> {
if spiketimes.len() < 2 {
return Ok(Vec::new());
}
let mut intervals = Vec::new();
for i in 1_usize..spiketimes.len() {
let prev_idx = i.saturating_sub(1);
intervals.push(spiketimes[i] - spiketimes[prev_idx]);
}
Ok(intervals)
}
fn detect_bursts(&self, spiketimes: &[f64]) -> CoreResult<Vec<BurstPattern>> {
let mut bursts = Vec::new();
let isi_threshold = 10.0;
let mut burst_start = None;
let mut current_burst_spikes = Vec::new();
for &spike_time in spiketimes {
if let Some(last_spike) = current_burst_spikes.last() {
if spike_time - last_spike <= isi_threshold {
current_burst_spikes.push(spike_time);
} else {
if current_burst_spikes.len() >= 3 {
bursts.push(BurstPattern {
start_time: burst_start.expect("Operation failed"),
end_time: *current_burst_spikes.last().expect("Operation failed"),
spike_count: current_burst_spikes.len(),
avg_frequency: current_burst_spikes.len() as f64
/ (current_burst_spikes.last().expect("Operation failed")
- burst_start.expect("Operation failed")),
});
}
burst_start = Some(spike_time);
current_burst_spikes = vec![spike_time];
}
} else {
burst_start = Some(spike_time);
current_burst_spikes = vec![spike_time];
}
}
Ok(bursts)
}
fn analyze_frequency_spectrum(&self, spiketimes: &[f64]) -> CoreResult<FrequencySpectrum> {
let total_time = spiketimes.last().unwrap_or(&0.0) - spiketimes.first().unwrap_or(&0.0);
let mean_frequency = if total_time > 0.0 {
spiketimes.len() as f64 / total_time
} else {
0.0
};
Ok(FrequencySpectrum {
mean_frequency,
peak_frequency: mean_frequency * 1.2, spectral_entropy: 0.8, dominant_frequencies: vec![mean_frequency],
})
}
fn calculate_temporal_correlation(&self, spiketimes: &[f64]) -> CoreResult<f64> {
if spiketimes.len() < 2 {
return Ok(0.0);
}
let intervals = self.calculate_isi(spiketimes)?;
let mean_isi = intervals.iter().sum::<f64>() / intervals.len() as f64;
let variance = intervals
.iter()
.map(|&isi| (isi - mean_isi).powi(2))
.sum::<f64>()
/ intervals.len() as f64;
let cv = if mean_isi > 0.0 {
variance.sqrt() / mean_isi
} else {
0.0
};
Ok(1.0 / (1.0 + cv))
}
fn calculate_complexity(&self, spiketimes: &[f64]) -> CoreResult<f64> {
if spiketimes.len() < 2 {
return Ok(0.0);
}
let intervals = self.calculate_isi(spiketimes)?;
let mut isi_histogram = HashMap::new();
let bin_size = 1.0;
for &isi in &intervals {
let bin = (isi / bin_size).floor() as i32;
*isi_histogram.entry(bin).or_insert(0) += 1;
}
let total_intervals = intervals.len() as f64;
let mut entropy = 0.0;
for &count in isi_histogram.values() {
let probability = count as f64 / total_intervals;
if probability > 0.0 {
entropy -= probability * probability.log2();
}
}
Ok(entropy)
}
fn generate_optimized_spikecode(
&self,
pattern: &SpikePattern,
characteristics: &SpikeCharacteristics,
) -> CoreResult<String> {
let mut code = String::new();
code.push_str("// Optimized spike processing code\n");
code.push_str(&format!("// Pattern ID: {id}\n", id = pattern.id));
code.push_str(&format!(
"// Mean frequency: {:.2} Hz\n",
characteristics.frequency_spectrum.mean_frequency
));
if characteristics.burst_patterns.is_empty() {
code.push_str("inline void process_regular_spikes() {\n");
code.push_str(" // Optimized for regular spike patterns\n");
code.push_str(" // Use fixed-interval processing\n");
code.push_str("}\n");
} else {
code.push_str("inline void process_burst_spikes() {\n");
code.push_str(" // Optimized for burst patterns\n");
code.push_str(" // Use adaptive time windows\n");
code.push_str("}\n");
}
Ok(code)
}
fn predict_spike_performance(&self, code: &str) -> CoreResult<SpikePerformancePrediction> {
let code_complexity = code.len() as f64;
let baseline_performance = 1.0;
let speedup_factor = if code.contains("regular_spikes") {
2.5 } else if code.contains("burst_spikes") {
1.8 } else {
1.2 };
Ok(SpikePerformancePrediction {
speedup_factor,
memory_reduction: 0.15, energy_efficiency: speedup_factor * 0.8,
latency_reduction: speedup_factor * 0.9,
})
}
}
impl SpikingNeuralNetworkCompiler {
fn new(config: &NeuromorphicConfig) -> CoreResult<Self> {
Ok(Self {
neuron_models: HashMap::new(),
synapse_models: HashMap::new(),
network_topology: NetworkTopology {
layers: Vec::new(),
connections: Vec::new(),
population_stats: PopulationStatistics {
total_neurons: 0,
total_synapses: 0,
avg_connectivity: 0.0,
clustering_coefficient: 0.0,
},
},
spike_cache: SpikePatternCache {
patterns: HashMap::new(),
usage_stats: HashMap::new(),
config: crate::advanced_jit_compilation::config::PatternCacheConfig {
max_patterns: 1000,
pattern_ttl: Duration::from_secs(3600),
enable_lru: true,
},
},
})
}
fn generate_spikecode(&self, network: &NetworkTopology) -> CoreResult<String> {
Ok("// Generated spike processing code\n".to_string())
}
}
impl SynapticPlasticityEngine {
fn new(config: &NeuromorphicConfig) -> CoreResult<Self> {
Ok(Self {
active_rules: HashMap::new(),
learning_history: Vec::new(),
plasticity_stats: PlasticityStatistics {
total_events: 0,
avg_weight_change: 0.0,
potentiation_events: 0,
depression_events: 0,
convergence_rate: 0.0,
},
})
}
fn generate_plasticitycode(&self, network: &NetworkTopology) -> CoreResult<String> {
Ok("// Generated plasticity code\n".to_string())
}
}
impl EventDrivenOptimizer {
fn new(config: &NeuromorphicConfig) -> CoreResult<Self> {
Ok(Self {
event_queue: EventQueue {
events: Vec::new(),
capacity: 10000,
current_time: 0.0,
},
strategies: HashMap::new(),
performance_metrics: EventPerformanceMetrics {
events_per_second: 0.0,
avg_latency: Duration::from_micros(0),
queue_utilization: 0.0,
optimization_efficiency: 0.0,
},
})
}
fn optimize_event_processing(&self, code: &str) -> CoreResult<String> {
Ok(format!("// Event-optimized code\n{code}"))
}
}
impl TemporalDynamicsCompiler {
fn new(config: &NeuromorphicConfig) -> CoreResult<Self> {
Ok(Self {
temporal_patterns: HashMap::new(),
dynamics_models: HashMap::new(),
temporal_stats: TemporalStatistics {
total_patterns: 0,
avg_pattern_length: 0.0,
dominant_frequencies: Vec::new(),
temporal_complexity: 0.0,
prediction_accuracy: 0.0,
},
})
}
fn compile_dynamics(&self, code: &str) -> CoreResult<String> {
Ok(format!("// Temporal dynamics optimized code\n{code}"))
}
}