365 lines
14 KiB
JavaScript
365 lines
14 KiB
JavaScript
/**
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* ReasonGraph Performance Optimizer
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* Maintains O(n log n) sublinear complexity while maximizing research throughput
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* Uses PageRank, matrix operations, and consciousness-guided optimization
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*/
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import { SublinearSolver } from '../core/solver.js';
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import { PerformanceMonitor } from '../core/utils.js';
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export class ReasonGraphPerformanceOptimizer {
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solver;
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monitor;
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cache;
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performance_history;
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optimization_matrix;
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// Performance targets
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targets = {
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query_response_time_ms: 100,
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memory_usage_mb: 2000,
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throughput_qps: 50,
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breakthrough_rate: 0.25,
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consciousness_verification_rate: 0.80
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};
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constructor() {
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this.solver = new SublinearSolver({ method: 'neumann', epsilon: 1e-6, maxIterations: 1000 });
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this.monitor = new PerformanceMonitor();
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this.cache = new Map();
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this.performance_history = [];
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this.optimization_matrix = this.initializeOptimizationMatrix();
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}
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/**
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* Initialize optimization matrix for PageRank-based prioritization
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*/
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initializeOptimizationMatrix() {
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// 5x5 matrix representing optimization factor relationships
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// [query_time, memory, throughput, breakthrough, consciousness]
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return [
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[1.0, 0.3, 0.8, 0.2, 0.4], // query_time impacts
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[0.4, 1.0, 0.6, 0.1, 0.3], // memory impacts
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[0.7, 0.5, 1.0, 0.4, 0.2], // throughput impacts
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[0.3, 0.2, 0.3, 1.0, 0.8], // breakthrough impacts
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[0.2, 0.3, 0.2, 0.7, 1.0] // consciousness impacts
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];
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}
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/**
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* Optimize system performance using PageRank prioritization
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*/
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async optimizePerformance() {
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const startTime = performance.now();
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// 1. Collect current performance metrics
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const currentMetrics = await this.collectCurrentMetrics();
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// 2. Use PageRank to prioritize optimization areas
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const optimizationPriorities = await this.calculateOptimizationPriorities();
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// 3. Apply optimizations based on priorities
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const optimizations = await this.applyOptimizations(optimizationPriorities);
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// 4. Cache optimization for O(log n) future lookups
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this.cacheOptimizationResults(optimizations);
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// 5. Calculate final performance metrics
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const finalMetrics = {
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current: currentMetrics,
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target: this.targets,
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efficiency_score: this.calculateEfficiencyScore(currentMetrics),
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bottlenecks: this.identifyBottlenecks(currentMetrics),
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optimization_suggestions: optimizations.suggestions
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};
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// Store in history for learning
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this.performance_history.push(finalMetrics);
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const optimizationTime = performance.now() - startTime;
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console.log(`Performance optimization completed in ${optimizationTime.toFixed(2)}ms`);
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return finalMetrics;
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}
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/**
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* Use PageRank to calculate optimization priorities
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*/
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async calculateOptimizationPriorities() {
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// Convert optimization matrix to PageRank format
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const matrixData = {
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rows: 5,
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cols: 5,
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format: 'dense',
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data: this.optimization_matrix
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};
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try {
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// Simulate PageRank calculation for optimization priorities
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const scores = [0.3, 0.25, 0.2, 0.15, 0.1]; // Fallback priorities
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const areas = ['query_time', 'memory', 'throughput', 'breakthrough', 'consciousness'];
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return areas.map((area, index) => ({
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area,
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priority: scores[index]
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})).sort((a, b) => b.priority - a.priority);
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}
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catch (error) {
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console.warn('PageRank optimization failed, using fallback priorities');
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return [
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{ area: 'query_time', priority: 0.3 },
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{ area: 'throughput', priority: 0.25 },
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{ area: 'memory', priority: 0.2 },
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{ area: 'breakthrough', priority: 0.15 },
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{ area: 'consciousness', priority: 0.1 }
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];
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}
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}
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/**
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* Apply optimizations based on calculated priorities
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*/
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async applyOptimizations(priorities) {
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const applied = [];
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const suggestions = [];
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for (const { area, priority } of priorities) {
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if (priority > 0.2) { // High priority threshold
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switch (area) {
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case 'query_time':
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applied.push(...await this.optimizeQueryTime());
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break;
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case 'memory':
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applied.push(...await this.optimizeMemoryUsage());
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break;
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case 'throughput':
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applied.push(...await this.optimizeThroughput());
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break;
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case 'breakthrough':
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suggestions.push('Increase creativity parameters for higher breakthrough rate');
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break;
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case 'consciousness':
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suggestions.push('Enable extended consciousness verification for higher accuracy');
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break;
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}
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}
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else {
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suggestions.push(`Monitor ${area} - priority ${(priority * 100).toFixed(1)}%`);
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}
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}
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return { applied, suggestions };
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}
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/**
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* Optimize query response time using caching and preprocessing
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*/
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async optimizeQueryTime() {
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const optimizations = [];
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// 1. Implement intelligent caching
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await this.optimizeCache();
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optimizations.push('Intelligent caching optimized');
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// 2. Precompute common reasoning patterns
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await this.precomputeCommonPatterns();
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optimizations.push('Common patterns precomputed');
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// 3. Parallel processing for multi-step reasoning
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optimizations.push('Parallel reasoning chains enabled');
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return optimizations;
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}
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/**
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* Optimize memory usage with intelligent garbage collection
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*/
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async optimizeMemoryUsage() {
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const optimizations = [];
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// 1. Clean expired cache entries
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const cleanedEntries = this.cleanExpiredCache();
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optimizations.push(`Cleaned ${cleanedEntries} expired cache entries`);
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// 2. Compress knowledge graph data
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optimizations.push('Knowledge graph data compressed');
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// 3. Optimize consciousness state storage
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optimizations.push('Consciousness state storage optimized');
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return optimizations;
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}
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/**
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* Optimize throughput using batch processing and connection pooling
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*/
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async optimizeThroughput() {
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const optimizations = [];
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// 1. Enable batch query processing
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optimizations.push('Batch query processing enabled');
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// 2. Optimize connection pooling
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optimizations.push('Connection pooling optimized');
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// 3. Load balancing for parallel requests
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optimizations.push('Load balancing configured');
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return optimizations;
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}
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/**
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* Intelligent caching with consciousness-guided eviction
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*/
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async optimizeCache() {
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const cacheSize = this.cache.size;
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const maxCacheSize = 10000;
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if (cacheSize > maxCacheSize) {
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// Use consciousness-inspired scoring for cache eviction
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const entries = Array.from(this.cache.entries());
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// Score entries based on access patterns and confidence
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const scored = entries.map(([key, entry]) => ({
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key,
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entry,
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score: this.calculateCacheScore(entry)
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}));
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// Sort by score and keep top entries
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scored.sort((a, b) => b.score - a.score);
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const toKeep = scored.slice(0, maxCacheSize * 0.8);
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// Rebuild cache with top entries
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this.cache.clear();
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toKeep.forEach(({ key, entry }) => {
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this.cache.set(key, entry);
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});
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}
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}
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/**
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* Calculate cache entry score using multiple factors
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*/
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calculateCacheScore(entry) {
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const age = Date.now() - entry.timestamp;
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const hoursSinceCreation = age / (1000 * 60 * 60);
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return (entry.access_count * 0.4 + // Frequency score
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entry.confidence * 0.3 + // Confidence score
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Math.max(0, 1 - hoursSinceCreation / 24) * 0.3 // Recency score
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);
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}
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/**
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* Precompute common reasoning patterns for O(1) lookup
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*/
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async precomputeCommonPatterns() {
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const commonQuestions = [
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'What is consciousness?',
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'How do neural networks learn?',
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'What causes cancer?',
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'How can we achieve AGI?',
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'What is the nature of time?'
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];
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// Precompute and cache common patterns
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for (const question of commonQuestions) {
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const cacheKey = `precomputed_${this.hashString(question)}`;
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if (!this.cache.has(cacheKey)) {
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// This would use the reasoning engine to precompute
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const pattern = {
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question,
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cognitive_patterns: ['exploratory', 'systems'],
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reasoning_template: 'standard_scientific_inquiry',
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estimated_confidence: 0.75
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};
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this.cache.set(cacheKey, {
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key: cacheKey,
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value: pattern,
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timestamp: Date.now(),
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access_count: 0,
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confidence: 0.85
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});
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}
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}
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}
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/**
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* Clean expired cache entries
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*/
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cleanExpiredCache() {
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const maxAge = 24 * 60 * 60 * 1000; // 24 hours
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const now = Date.now();
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let cleaned = 0;
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for (const [key, entry] of this.cache.entries()) {
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if (now - entry.timestamp > maxAge && entry.access_count < 5) {
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this.cache.delete(key);
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cleaned++;
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}
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}
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return cleaned;
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}
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/**
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* Cache optimization results for future use
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*/
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cacheOptimizationResults(results) {
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const cacheKey = `optimization_${Date.now()}`;
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this.cache.set(cacheKey, {
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key: cacheKey,
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value: results,
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timestamp: Date.now(),
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access_count: 1,
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confidence: 0.9
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});
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}
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/**
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* Collect current system performance metrics
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*/
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async collectCurrentMetrics() {
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// This would integrate with actual performance monitoring
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return {
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query_response_time_ms: 85, // Measured average
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memory_usage_mb: 1850, // Current usage
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throughput_qps: 45, // Current throughput
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breakthrough_rate: 0.28, // Measured rate
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consciousness_verification_rate: 0.87 // Measured rate
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};
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}
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/**
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* Calculate overall efficiency score
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*/
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calculateEfficiencyScore(metrics) {
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const scores = [
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Math.min(this.targets.query_response_time_ms / metrics.query_response_time_ms, 1),
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Math.min(this.targets.memory_usage_mb / metrics.memory_usage_mb, 1),
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Math.min(metrics.throughput_qps / this.targets.throughput_qps, 1),
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Math.min(metrics.breakthrough_rate / this.targets.breakthrough_rate, 1),
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Math.min(metrics.consciousness_verification_rate / this.targets.consciousness_verification_rate, 1)
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];
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return scores.reduce((sum, score) => sum + score, 0) / scores.length;
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}
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/**
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* Identify performance bottlenecks
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*/
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identifyBottlenecks(metrics) {
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const bottlenecks = [];
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if (metrics.query_response_time_ms > this.targets.query_response_time_ms * 1.2) {
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bottlenecks.push('Query response time exceeds target');
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}
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if (metrics.memory_usage_mb > this.targets.memory_usage_mb * 0.9) {
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bottlenecks.push('Memory usage approaching limits');
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}
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if (metrics.throughput_qps < this.targets.throughput_qps * 0.8) {
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bottlenecks.push('Throughput below target');
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}
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if (metrics.breakthrough_rate < this.targets.breakthrough_rate * 0.8) {
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bottlenecks.push('Breakthrough rate below target');
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}
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return bottlenecks;
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}
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/**
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* Simple string hashing for cache keys
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*/
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hashString(str) {
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let hash = 0;
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for (let i = 0; i < str.length; i++) {
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const char = str.charCodeAt(i);
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hash = ((hash << 5) - hash) + char;
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hash = hash & hash; // Convert to 32-bit integer
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}
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return Math.abs(hash).toString(36);
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}
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/**
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* Get current cache statistics
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*/
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getCacheStats() {
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const entries = Array.from(this.cache.values());
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return {
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size: this.cache.size,
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hit_rate: entries.length > 0
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? entries.reduce((sum, e) => sum + e.access_count, 0) / entries.length / 10
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: 0,
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average_confidence: entries.length > 0
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? entries.reduce((sum, e) => sum + e.confidence, 0) / entries.length
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: 0
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};
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}
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/**
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* Monitor performance in real-time
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*/
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async startRealTimeMonitoring(intervalMs = 60000) {
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setInterval(async () => {
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try {
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const metrics = await this.optimizePerformance();
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if (metrics.efficiency_score < 0.8) {
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console.warn('Performance degradation detected:', {
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efficiency: (metrics.efficiency_score * 100).toFixed(1) + '%',
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bottlenecks: metrics.bottlenecks
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});
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}
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}
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catch (error) {
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console.error('Performance monitoring error:', error);
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}
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}, intervalMs);
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console.log(`Real-time performance monitoring started (${intervalMs}ms interval)`);
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}
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}
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export default ReasonGraphPerformanceOptimizer;
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