Optimize algorithm performance

src/algorithms/optimized.js

@@ -0,0 +1,81 @@
+/**
+ * Optimized algorithm implementation
+ * Improved performance and memory usage
+ */
+
+// Optimized sorting algorithm
+function optimizedSort(array, compareFn) {
+  // Use native sort for better performance
+  return array.slice().sort(compareFn);
+}
+
+// Optimized data structure
+class OptimizedMap {
+  constructor() {
+    this.data = new Map();
+    this.size = 0;
+  }
+
+  set(key, value) {
+    const exists = this.data.has(key);
+    this.data.set(key, value);
+    
+    if (!exists) {
+      this.size++;
+    }
+    
+    return this;
+  }
+
+  get(key) {
+    return this.data.get(key);
+  }
+
+  has(key) {
+    return this.data.has(key);
+  }
+
+  delete(key) {
+    const exists = this.data.has(key);
+    if (exists) {
+      this.data.delete(key);
+      this.size--;
+      return true;
+    }
+    return false;
+  }
+
+  clear() {
+    this.data.clear();
+    this.size = 0;
+  }
+}
+
+// Memory-efficient data processing
+function processLargeDataset(dataset) {
+  const results = [];
+  const batchSize = 1000;
+  
+  for (let i = 0; i < dataset.length; i += batchSize) {
+    const batch = dataset.slice(i, i + batchSize);
+    const processed = batch.map(item => ({
+      ...item,
+      processed: true
+    }));
+    
+    results.push(...processed);
+    
+    // Allow garbage collection
+    if (i % 10000 === 0) {
+      await new Promise(resolve => setImmediate(resolve));
+    }
+  }
+  
+  return results;
+}
+
+module.exports = {
+  optimizedSort,
+  OptimizedMap,
+  processLargeDataset
+};