⚡ Performance Optimization with TuskLang & PHP

Introduction

Performance optimization is the key to scalable, responsive applications. TuskLang and PHP let you implement sophisticated optimization strategies with config-driven profiling, memory management, database optimization, and caching that maximizes application performance.

Key Features

- Application profiling and monitoring - Memory optimization and garbage collection - Database query optimization - Caching strategies - Code optimization techniques - Load balancing and scaling

Example: Performance Configuration

[performance]
profiling: @go("performance.ConfigureProfiling")
memory: @go("performance.ConfigureMemory")
database: @go("performance.ConfigureDatabase")
caching: @go("performance.ConfigureCaching")
optimization: @go("performance.ConfigureOptimization")

PHP: Performance Profiler

<?php
namespace App\Performance;
use TuskLang\Config;
use TuskLang\Operators\Env;
use TuskLang\Operators\Metrics;
use TuskLang\Operators\Go;
class PerformanceProfiler
{
    private $config;
    private $profiles = [];
    private $startTime;
    private $memoryStart;
    
    public function __construct()
    {
        $this->config = new Config();
        $this->startTime = microtime(true);
        $this->memoryStart = memory_get_usage(true);
    }
    
    public function startProfile($name)
    {
        $profile = [
            'name' => $name,
            'start_time' => microtime(true),
            'start_memory' => memory_get_usage(true),
            'start_peak' => memory_get_peak_usage(true)
        ];
        
        $this->profiles[$name] = $profile;
        
        return $name;
    }
    
    public function endProfile($name)
    {
        if (!isset($this->profiles[$name])) {
            throw new \Exception("Profile not found: {$name}");
        }
        
        $profile = $this->profiles[$name];
        $endTime = microtime(true);
        $endMemory = memory_get_usage(true);
        $endPeak = memory_get_peak_usage(true);
        
        $duration = ($endTime - $profile['start_time']) * 1000; // Convert to milliseconds
        $memoryUsed = $endMemory - $profile['start_memory'];
        $peakMemory = $endPeak - $profile['start_peak'];
        
        $result = [
            'name' => $name,
            'duration' => $duration,
            'memory_used' => $memoryUsed,
            'peak_memory' => $peakMemory,
            'timestamp' => date('c')
        ];
        
        // Record metrics
        Metrics::record("profile_duration", $duration, ["profile" => $name]);
        Metrics::record("profile_memory", $memoryUsed, ["profile" => $name]);
        
        // Store profile result
        $this->storeProfileResult($result);
        
        return $result;
    }
    
    public function profileFunction(callable $function, $name = null)
    {
        $name = $name ?? 'anonymous_function';
        $this->startProfile($name);
        
        try {
            $result = $function();
            $this->endProfile($name);
            return $result;
        } catch (\Exception $e) {
            $this->endProfile($name);
            throw $e;
        }
    }
    
    public function getOverallStats()
    {
        $endTime = microtime(true);
        $endMemory = memory_get_usage(true);
        $endPeak = memory_get_peak_usage(true);
        
        return [
            'total_duration' => ($endTime - $this->startTime) * 1000,
            'total_memory_used' => $endMemory - $this->memoryStart,
            'peak_memory' => $endPeak,
            'profiles_count' => count($this->profiles)
        ];
    }
    
    private function storeProfileResult($result)
    {
        $storage = $this->config->get('performance.profiling.storage', 'memory');
        
        switch ($storage) {
            case 'database':
                $this->storeInDatabase($result);
                break;
            case 'file':
                $this->storeInFile($result);
                break;
            case 'redis':
                $this->storeInRedis($result);
                break;
        }
    }
    
    private function storeInDatabase($result)
    {
        $pdo = new PDO(Env::get('DB_DSN'));
        $stmt = $pdo->prepare("
            INSERT INTO performance_profiles (name, duration, memory_used, peak_memory, timestamp)
            VALUES (?, ?, ?, ?, ?)
        ");
        
        $stmt->execute([
            $result['name'],
            $result['duration'],
            $result['memory_used'],
            $result['peak_memory'],
            $result['timestamp']
        ]);
    }
    
    private function storeInFile($result)
    {
        $logFile = $this->config->get('performance.profiling.log_file', 'performance.log');
        $logEntry = json_encode($result) . "\n";
        file_put_contents($logFile, $logEntry, FILE_APPEND | LOCK_EX);
    }
    
    private function storeInRedis($result)
    {
        $redis = new Redis();
        $redis->connect(Env::get('REDIS_HOST', 'localhost'));
        
        $key = "profile:{$result['name']}:" . time();
        $redis->setex($key, 3600, json_encode($result));
    }
}
class QueryProfiler
{
    private $config;
    private $queries = [];
    
    public function __construct()
    {
        $this->config = new Config();
    }
    
    public function profileQuery($sql, $params = [], $duration = null)
    {
        $query = [
            'sql' => $sql,
            'params' => $params,
            'duration' => $duration,
            'timestamp' => date('c'),
            'memory' => memory_get_usage(true)
        ];
        
        $this->queries[] = $query;
        
        // Record slow queries
        $slowThreshold = $this->config->get('performance.database.slow_query_threshold', 100);
        if ($duration > $slowThreshold) {
            $this->recordSlowQuery($query);
        }
        
        return $query;
    }
    
    public function getSlowQueries($threshold = null)
    {
        $threshold = $threshold ?? $this->config->get('performance.database.slow_query_threshold', 100);
        
        return array_filter($this->queries, function($query) use ($threshold) {
            return $query['duration'] > $threshold;
        });
    }
    
    public function getQueryStats()
    {
        if (empty($this->queries)) {
            return [];
        }
        
        $durations = array_column($this->queries, 'duration');
        
        return [
            'total_queries' => count($this->queries),
            'total_duration' => array_sum($durations),
            'average_duration' => array_sum($durations) / count($durations),
            'min_duration' => min($durations),
            'max_duration' => max($durations),
            'slow_queries' => count($this->getSlowQueries())
        ];
    }
    
    private function recordSlowQuery($query)
    {
        $logFile = $this->config->get('performance.database.slow_query_log', 'slow_queries.log');
        $logEntry = json_encode($query) . "\n";
        file_put_contents($logFile, $logEntry, FILE_APPEND | LOCK_EX);
        
        // Send alert for very slow queries
        $criticalThreshold = $this->config->get('performance.database.critical_query_threshold', 1000);
        if ($query['duration'] > $criticalThreshold) {
            $this->sendSlowQueryAlert($query);
        }
    }
    
    private function sendSlowQueryAlert($query)
    {
        $alert = [
            'type' => 'slow_query',
            'sql' => $query['sql'],
            'duration' => $query['duration'],
            'timestamp' => $query['timestamp']
        ];
        
        // Send to monitoring system
        Metrics::record("critical_slow_query", 1, [
            "duration" => $query['duration'],
            "sql" => substr($query['sql'], 0, 100)
        ]);
    }
}

Memory Optimization

<?php
namespace App\Performance\Memory;
use TuskLang\Config;
class MemoryManager
{
    private $config;
    private $monitor;
    
    public function __construct()
    {
        $this->config = new Config();
        $this->monitor = new MemoryMonitor();
    }
    
    public function optimizeMemory()
    {
        $this->monitor->start();
        
        // Clear unnecessary variables
        $this->clearUnusedVariables();
        
        // Optimize arrays
        $this->optimizeArrays();
        
        // Force garbage collection
        $this->forceGarbageCollection();
        
        $this->monitor->end();
    }
    
    public function getMemoryUsage()
    {
        return [
            'current' => memory_get_usage(true),
            'peak' => memory_get_peak_usage(true),
            'limit' => ini_get('memory_limit'),
            'usage_percentage' => $this->getUsagePercentage()
        ];
    }
    
    public function isMemoryLow()
    {
        $usage = $this->getMemoryUsage();
        $threshold = $this->config->get('performance.memory.low_threshold', 80);
        
        return $usage['usage_percentage'] > $threshold;
    }
    
    private function clearUnusedVariables()
    {
        // Clear global variables that are no longer needed
        if (isset($GLOBALS['unused_var'])) {
            unset($GLOBALS['unused_var']);
        }
        
        // Clear session variables if not needed
        if (isset($_SESSION['temp_data'])) {
            unset($_SESSION['temp_data']);
        }
    }
    
    private function optimizeArrays()
    {
        // Convert associative arrays to indexed arrays where possible
        // Use SplFixedArray for large numeric arrays
    }
    
    private function forceGarbageCollection()
    {
        if (function_exists('gc_collect_cycles')) {
            gc_collect_cycles();
        }
    }
    
    private function getUsagePercentage()
    {
        $current = memory_get_usage(true);
        $limit = $this->parseMemoryLimit(ini_get('memory_limit'));
        
        if ($limit === -1) {
            return 0; // No limit
        }
        
        return ($current / $limit) * 100;
    }
    
    private function parseMemoryLimit($limit)
    {
        $value = (int) $limit;
        $unit = strtolower(substr($limit, -1));
        
        switch ($unit) {
            case 'k':
                return $value * 1024;
            case 'm':
                return $value  1024  1024;
            case 'g':
                return $value  1024  1024 * 1024;
            default:
                return $value;
        }
    }
}
class MemoryMonitor
{
    private $startMemory;
    private $startPeak;
    
    public function start()
    {
        $this->startMemory = memory_get_usage(true);
        $this->startPeak = memory_get_peak_usage(true);
    }
    
    public function end()
    {
        $endMemory = memory_get_usage(true);
        $endPeak = memory_get_peak_usage(true);
        
        $memoryUsed = $endMemory - $this->startMemory;
        $peakUsed = $endPeak - $this->startPeak;
        
        // Record metrics
        Metrics::record("memory_optimization_saved", $memoryUsed);
        Metrics::record("peak_memory_reduction", $peakUsed);
        
        return [
            'memory_saved' => $memoryUsed,
            'peak_reduction' => $peakUsed
        ];
    }
}

Database Optimization

<?php
namespace App\Performance\Database;
use TuskLang\Config;
class DatabaseOptimizer
{
    private $config;
    private $pdo;
    private $profiler;
    
    public function __construct()
    {
        $this->config = new Config();
        $this->pdo = new PDO(Env::get('DB_DSN'));
        $this->profiler = new QueryProfiler();
    }
    
    public function optimizeQueries()
    {
        $queries = $this->getSlowQueries();
        
        foreach ($queries as $query) {
            $optimized = $this->optimizeQuery($query);
            $this->applyOptimization($optimized);
        }
    }
    
    public function analyzeQuery($sql)
    {
        $stmt = $this->pdo->prepare("EXPLAIN {$sql}");
        $stmt->execute();
        
        return $stmt->fetchAll();
    }
    
    public function suggestIndexes()
    {
        $suggestions = [];
        
        // Analyze slow queries for missing indexes
        $slowQueries = $this->profiler->getSlowQueries();
        
        foreach ($slowQueries as $query) {
            $analysis = $this->analyzeQuery($query['sql']);
            $indexSuggestions = $this->generateIndexSuggestions($analysis);
            
            if (!empty($indexSuggestions)) {
                $suggestions[] = [
                    'query' => $query['sql'],
                    'suggestions' => $indexSuggestions
                ];
            }
        }
        
        return $suggestions;
    }
    
    public function optimizeTable($tableName)
    {
        // Analyze table
        $this->pdo->exec("ANALYZE TABLE {$tableName}");
        
        // Optimize table
        $this->pdo->exec("OPTIMIZE TABLE {$tableName}");
        
        // Update table statistics
        $this->updateTableStats($tableName);
    }
    
    private function optimizeQuery($query)
    {
        $sql = $query['sql'];
        
        // Remove unnecessary SELECT *
        $sql = preg_replace('/SELECT \*/', 'SELECT specific_columns', $sql);
        
        // Add LIMIT where missing
        if (!preg_match('/LIMIT \d+/i', $sql)) {
            $sql .= ' LIMIT 1000';
        }
        
        // Use indexes
        $sql = $this->addIndexHints($sql);
        
        return [
            'original' => $query['sql'],
            'optimized' => $sql,
            'improvements' => $this->calculateImprovements($query['sql'], $sql)
        ];
    }
    
    private function addIndexHints($sql)
    {
        // Add FORCE INDEX hints for known slow queries
        $indexHints = $this->config->get('performance.database.index_hints', []);
        
        foreach ($indexHints as $pattern => $index) {
            if (preg_match($pattern, $sql)) {
                $sql = str_replace('FROM ', "FROM {$index} ", $sql);
            }
        }
        
        return $sql;
    }
    
    private function generateIndexSuggestions($analysis)
    {
        $suggestions = [];
        
        foreach ($analysis as $row) {
            if ($row['type'] === 'ALL') {
                // Full table scan detected
                $suggestions[] = "Add index on {$row['table']} for columns used in WHERE clause";
            }
        }
        
        return $suggestions;
    }
    
    private function updateTableStats($tableName)
    {
        $stmt = $this->pdo->prepare("
            SELECT 
                table_rows,
                data_length,
                index_length
            FROM information_schema.tables 
            WHERE table_name = ?
        ");
        
        $stmt->execute([$tableName]);
        $stats = $stmt->fetch();
        
        // Store table statistics
        Metrics::record("table_stats", 1, [
            "table" => $tableName,
            "rows" => $stats['table_rows'],
            "data_size" => $stats['data_length'],
            "index_size" => $stats['index_length']
        ]);
    }
}

Caching Optimization

<?php
namespace App\Performance\Caching;
use TuskLang\Config;
class CacheOptimizer
{
    private $config;
    private $cache;
    
    public function __construct()
    {
        $this->config = new Config();
        $this->cache = new MultiLevelCache();
    }
    
    public function optimizeCache()
    {
        // Analyze cache hit rates
        $hitRates = $this->analyzeHitRates();
        
        // Optimize TTLs based on access patterns
        $this->optimizeTTLs($hitRates);
        
        // Preload frequently accessed data
        $this->preloadFrequentData();
        
        // Clean up expired entries
        $this->cleanupExpiredEntries();
    }
    
    public function analyzeHitRates()
    {
        $stats = $this->cache->getStats();
        $hitRates = [];
        
        foreach ($stats as $cacheLevel => $stat) {
            $hitRates[$cacheLevel] = $stat['hit_rate'];
        }
        
        return $hitRates;
    }
    
    public function optimizeTTLs($hitRates)
    {
        $optimizations = $this->config->get('performance.caching.ttl_optimizations', []);
        
        foreach ($optimizations as $pattern => $optimization) {
            if ($hitRates['l1'] < $optimization['min_hit_rate']) {
                // Increase TTL for better hit rates
                $newTTL = $optimization['current_ttl'] * $optimization['multiplier'];
                $this->updateTTL($pattern, $newTTL);
            }
        }
    }
    
    public function preloadFrequentData()
    {
        $frequentData = $this->getFrequentAccessPatterns();
        
        foreach ($frequentData as $pattern) {
            $data = $this->loadDataForPattern($pattern);
            $this->cache->set($pattern['key'], $data, $pattern['ttl']);
        }
    }
    
    public function cleanupExpiredEntries()
    {
        $this->cache->cleanup();
        
        // Record cleanup metrics
        Metrics::record("cache_cleanup", 1);
    }
    
    private function getFrequentAccessPatterns()
    {
        // Analyze access logs to find frequently accessed data
        $accessLogs = $this->loadAccessLogs();
        
        $patterns = [];
        foreach ($accessLogs as $log) {
            $key = $log['cache_key'];
            if (!isset($patterns[$key])) {
                $patterns[$key] = 0;
            }
            $patterns[$key]++;
        }
        
        // Return top accessed patterns
        arsort($patterns);
        return array_slice($patterns, 0, 10, true);
    }
    
    private function loadAccessLogs()
    {
        // Load cache access logs from storage
        $logFile = $this->config->get('performance.caching.access_log', 'cache_access.log');
        
        if (!file_exists($logFile)) {
            return [];
        }
        
        $logs = [];
        $handle = fopen($logFile, 'r');
        
        while (($line = fgets($handle)) !== false) {
            $logs[] = json_decode($line, true);
        }
        
        fclose($handle);
        return $logs;
    }
}

Code Optimization

<?php
namespace App\Performance\Code;
use TuskLang\Config;
class CodeOptimizer
{
    private $config;
    
    public function __construct()
    {
        $this->config = new Config();
    }
    
    public function optimizeCode($code)
    {
        // Remove unnecessary whitespace
        $code = $this->removeUnnecessaryWhitespace($code);
        
        // Optimize string concatenation
        $code = $this->optimizeStringConcatenation($code);
        
        // Optimize loops
        $code = $this->optimizeLoops($code);
        
        // Optimize function calls
        $code = $this->optimizeFunctionCalls($code);
        
        return $code;
    }
    
    public function generateOptimizedCode($template, $data)
    {
        // Use efficient string interpolation
        $code = $this->interpolateStrings($template, $data);
        
        // Minimize object creation
        $code = $this->minimizeObjectCreation($code);
        
        return $code;
    }
    
    private function removeUnnecessaryWhitespace($code)
    {
        // Remove extra spaces and newlines
        $code = preg_replace('/\s+/', ' ', $code);
        $code = trim($code);
        
        return $code;
    }
    
    private function optimizeStringConcatenation($code)
    {
        // Replace string concatenation with interpolation where possible
        $code = preg_replace('/\$(\w+)\s\.\s\$(\w+)/', '${$1}{$2}', $code);
        
        return $code;
    }
    
    private function optimizeLoops($code)
    {
        // Use foreach instead of for where possible
        $code = preg_replace('/for\s\(\$i\s=\s0;\s\$i\s<\scount\s\(\$(\w+)\);\s\$i\+\+\)/', 'foreach ($$1 as $item)', $code);
        
        return $code;
    }
    
    private function optimizeFunctionCalls($code)
    {
        // Cache function results where possible
        $code = preg_replace('/\$(\w+)\s=\s(\w+)\(\);\sif\s\(\$\1\)/', 'if (($1 = $2()))', $code);
        
        return $code;
    }
    
    private function interpolateStrings($template, $data)
    {
        // Use efficient string interpolation
        $placeholders = array_map(function($key) {
            return "{{$key}}";
        }, array_keys($data));
        
        return str_replace($placeholders, array_values($data), $template);
    }
    
    private function minimizeObjectCreation($code)
    {
        // Reuse objects where possible
        $code = preg_replace('/new\s+(\w+)\s\(\s\);\s\$(\w+)\s=\snew\s+\1\s\(\s*\)/', '$2 = new $1()', $code);
        
        return $code;
    }
}

Best Practices

- Profile before optimizing - Use appropriate data structures - Optimize database queries - Implement effective caching - Monitor performance metrics - Use lazy loading

Performance Optimization

- Use connection pooling - Implement query caching - Optimize memory usage - Use efficient algorithms

Security Considerations

- Validate optimization inputs - Monitor for performance regressions - Use secure optimization techniques - Protect sensitive performance data

Troubleshooting

- Monitor performance metrics - Check memory usage - Analyze slow queries - Verify cache effectiveness

Conclusion

TuskLang + PHP = performance optimization that's intelligent, measurable, and effective. Build applications that perform at their best.