scirs2_core/advanced_jit_compilation_impl/
optimizer.rs

1//! Runtime optimizer for adaptive compilation
2
3use crate::error::CoreResult;
4use std::collections::HashMap;
5use std::time::{Duration, Instant};
6
7/// Runtime optimizer for adaptive compilation
8#[derive(Debug)]
9pub struct RuntimeOptimizer {
10    /// Optimization strategies
11    #[allow(dead_code)]
12    strategies: HashMap<String, OptimizationStrategy>,
13    /// Performance feedback
14    #[allow(dead_code)]
15    performance_feedback: Vec<PerformanceFeedback>,
16    /// Adaptation rules
17    #[allow(dead_code)]
18    adaptation_rules: Vec<AdaptationRule>,
19    /// Current optimization state
20    #[allow(dead_code)]
21    current_state: OptimizationState,
22}
23
24/// Optimization strategy
25#[derive(Debug, Clone)]
26pub struct OptimizationStrategy {
27    /// Strategy name
28    pub name: String,
29    /// Strategy description
30    pub description: String,
31    /// Strategy parameters
32    pub parameters: HashMap<String, f64>,
33    /// Effectiveness score
34    pub effectiveness_score: f64,
35    /// Applicable conditions
36    pub applicable_conditions: Vec<String>,
37}
38
39/// Performance feedback
40#[derive(Debug, Clone)]
41pub struct PerformanceFeedback {
42    /// Function name
43    pub function_name: String,
44    /// Optimization applied
45    pub optimization_applied: String,
46    /// Performance before
47    pub performance_before: f64,
48    /// Performance after
49    pub performance_after: f64,
50    /// Improvement ratio
51    pub improvement_ratio: f64,
52    /// Feedback timestamp
53    pub timestamp: Instant,
54}
55
56/// Adaptation rule
57#[derive(Debug, Clone)]
58pub struct AdaptationRule {
59    /// Rule name
60    pub name: String,
61    /// Condition
62    pub condition: String,
63    /// Action
64    pub action: String,
65    /// Priority
66    pub priority: u8,
67    /// Success count
68    pub success_count: u64,
69    /// Total applications
70    pub total_applications: u64,
71}
72
73/// Current optimization state
74#[derive(Debug, Clone)]
75pub struct OptimizationState {
76    /// Active optimizations
77    pub active_optimizations: HashMap<String, String>,
78    /// Performance baselines
79    pub performancebaselines: HashMap<String, f64>,
80    /// Adaptation history
81    pub adaptation_history: Vec<AdaptationEvent>,
82    /// State timestamp
83    pub timestamp: Instant,
84}
85
86/// Adaptation event
87#[derive(Debug, Clone)]
88pub struct AdaptationEvent {
89    /// Event type
90    pub event_type: String,
91    /// Event description
92    pub description: String,
93    /// Performance impact
94    pub performance_impact: f64,
95    /// Event timestamp
96    pub timestamp: Instant,
97}
98
99/// Performance analysis results
100#[derive(Debug, Clone)]
101pub struct PerformanceAnalysis {
102    /// Optimization suggestions
103    pub optimization_suggestions: Vec<String>,
104    /// Identified bottlenecks
105    pub bottlenecks: Vec<String>,
106    /// Confidence score for analysis
107    pub confidence_score: f64,
108}
109
110/// Optimization candidate
111#[derive(Debug)]
112pub struct OptimizationCandidate {
113    /// Kernel name
114    pub name: String,
115    /// Current performance
116    pub current_performance: f64,
117    /// Optimization potential
118    pub optimization_potential: f64,
119}
120
121/// Performance improvement
122#[derive(Debug)]
123pub struct PerformanceImprovement {
124    /// Kernel name
125    pub kernel_name: String,
126    /// Improvement factor
127    pub improvement_factor: f64,
128    /// Old performance metric
129    pub old_performance: f64,
130    /// New performance metric
131    pub new_performance: f64,
132}
133
134/// Optimization failure
135#[derive(Debug)]
136pub struct OptimizationFailure {
137    /// Kernel name
138    pub kernel_name: String,
139    /// Error description
140    pub error: String,
141}
142
143/// Optimization results
144#[derive(Debug)]
145pub struct OptimizationResults {
146    /// Number of kernels optimized
147    pub kernels_optimized: u32,
148    /// Performance improvements achieved
149    pub performance_improvements: Vec<PerformanceImprovement>,
150    /// Failed optimization attempts
151    pub failed_optimizations: Vec<OptimizationFailure>,
152}
153
154impl RuntimeOptimizer {
155    pub fn new() -> CoreResult<Self> {
156        Ok(Self {
157            strategies: HashMap::new(),
158            performance_feedback: Vec::new(),
159            adaptation_rules: Vec::new(),
160            current_state: OptimizationState {
161                active_optimizations: HashMap::new(),
162                performancebaselines: HashMap::new(),
163                adaptation_history: Vec::new(),
164                timestamp: Instant::now(),
165            },
166        })
167    }
168
169    pub fn record_execution(
170        &mut self,
171        _kernel_name: &str,
172        execution_time: Duration,
173    ) -> CoreResult<()> {
174        // Simplified implementation
175        Ok(())
176    }
177
178    /// Analyze performance metrics
179    pub fn analyze_performance(&self) -> CoreResult<PerformanceAnalysis> {
180        // Simplified implementation
181        Ok(PerformanceAnalysis {
182            optimization_suggestions: vec!["Enable vectorization".to_string()],
183            bottlenecks: vec!["Memory bandwidth".to_string()],
184            confidence_score: 0.8,
185        })
186    }
187}