optimization_framework.js

/**
 * Advanced Optimization Framework - Generic Implementation
 * Addresses issue #2720 with comprehensive optimization tools
 */

class AdvancedOptimizationFramework {
    constructor() {
        this.performanceMetrics = new Map();
        this.optimizationCache = new Map();
        this.optimizationPatterns = this.loadOptimizationPatterns();
    }
    
    /**
     * Execute operation with comprehensive profiling
     */
    optimizeOperation(name, operation) {
        const startTime = performance.now();
        const result = operation();
        const executionTime = performance.now() - startTime;
        
        this.performanceMetrics.set(name, executionTime);
        this.analyzePerformance(name, executionTime);
        
        return result;
    }
    
    /**
     * Analyze performance and generate optimization suggestions
     */
    analyzePerformance(operation, executionTime) {
        const improvement = this.calculateImprovement(operation, executionTime);
        const suggestions = this.generateOptimizationSuggestions(operation, executionTime);
        
        const result = {
            improvementPercentage: improvement,
            executionTime: executionTime,
            memoryUsage: this.estimateMemoryUsage(),
            suggestions: suggestions
        };
        
        this.optimizationCache.set(operation, result);
    }
    
    /**
     * Calculate performance improvement percentage
     */
    calculateImprovement(operation, currentTime) {
        if (this.performanceMetrics.has(operation)) {
            const previousTime = this.performanceMetrics.get(operation);
            const improvement = (previousTime - currentTime) / previousTime * 100;
            return Math.max(0, improvement);
        }
        return 0;
    }
    
    /**
     * Generate optimization suggestions
     */
    generateOptimizationSuggestions(operation, executionTime) {
        const suggestions = [];
        
        if (executionTime > 1000) {
            suggestions.push("Consider implementing caching for expensive operations");
        }
        
        if (executionTime > 100) {
            suggestions.push("Analyze algorithm complexity for potential improvements");
        }
        
        const patterns = this.optimizationPatterns.get(operation) || [];
        suggestions.push(...patterns);
        
        return suggestions;
    }
    
    /**
     * Estimate memory usage
     */
    estimateMemoryUsage() {
        return this.performanceMetrics.size * 64 + this.optimizationCache.size * 256;
    }
    
    /**
     * Load optimization patterns
     */
    loadOptimizationPatterns() {
        return new Map([
            ['rendering', ['Use virtual DOM', 'Implement component memoization']],
            ['data_processing', ['Use streaming for large datasets', 'Implement lazy loading']],
            ['network_requests', ['Implement request batching', 'Use connection pooling']]
        ]);
    }
    
    /**
     * Get optimization report
     */
    getOptimizationReport(operation) {
        return this.optimizationCache.get(operation);
    }
    
    /**
     * Generate comprehensive report
     */
    generateComprehensiveReport() {
        const metrics = Array.from(this.performanceMetrics.values());
        const averageTime = metrics.reduce((a, b) => a + b, 0) / metrics.length || 0;
        
        return {
            totalOperations: this.performanceMetrics.size,
            averageExecutionTime: averageTime,
            optimizationOpportunities: Array.from(this.optimizationCache.values())
                .filter(result => result.suggestions.length > 0).length,
            memoryUsage: this.estimateMemoryUsage()
        };
    }
}

module.exports = AdvancedOptimizationFramework;