Initial commit

crates/specialized/rtx-synthesis/src/autotuning/metrics.rs

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+//! Performance metrics and results for autotuning.
+
+use std::collections::HashMap;
+use std::time::Duration;
+
+use serde::{Deserialize, Serialize};
+
+/// Performance measurement result
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct PerformanceMetrics {
+    pub execution_time: Duration,
+    pub gflops: f64,
+    pub memory_bandwidth: f64,
+    pub occupancy: f64,
+    pub energy_efficiency: f64,
+}
+
+/// Statistical analysis of performance measurements
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct PerformanceStatistics {
+    pub mean: f64,
+    pub std_dev: f64,
+    pub confidence_interval: (f64, f64),
+    pub sample_count: usize,
+    pub outliers_detected: Option<bool>,
+}
+
+/// Gaussian process prediction
+#[derive(Debug, Clone)]
+pub struct GPPrediction {
+    pub mean: f64,
+    pub variance: f64,
+    pub confidence_interval: (f64, f64),
+    pub multi_objective_score: Option<f64>,
+}
+
+/// Observation for Bayesian optimization
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Observation {
+    pub parameters: HashMap<String, i32>,
+    pub metrics: PerformanceMetrics,
+    pub timestamp: Duration, // Using Duration for serialization
+    pub hardware_hash: u64,
+}
+
+/// Acquisition history entry
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct AcquisitionHistoryEntry {
+    pub parameters: HashMap<String, i32>,
+    pub metrics: PerformanceMetrics,
+    pub acquisition_value: f64,
+    pub iteration: usize,
+}
+
+/// Tuning result with optimal parameters and metrics
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TuningResult {
+    pub optimal_parameters: HashMap<String, i32>,
+    pub best_metrics: PerformanceMetrics,
+    pub iterations_completed: usize,
+    pub total_time: Duration,
+    pub convergence_achieved: bool,
+    pub pareto_frontier: Option<Vec<(HashMap<String, i32>, PerformanceMetrics)>>,
+    pub acquisition_history: Option<Vec<AcquisitionHistoryEntry>>,
+}