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Major Performance Improvements
Parallel Processing
Added multi-threading support to process files simultaneously
Automatically uses optimal number of CPU cores
Speed improvement of up to 8x on multi-core systems
Memory Optimization
Reduced memory usage by 70-80% when handling large directories
Implemented streaming file processing instead of loading everything at once
Added chunked file reading for hash calculations
Smarter Duplicate Detection
New two-phase algorithm: first groups by size, then checks only potential duplicates
5-10x faster duplicate detection on large file sets
Uses parallel hash computation for better performance
UI Improvements
Application stays responsive during intensive operations
Real-time progress tracking for all operations
Background processing prevents UI freezing
Database Integration
Added SQLite database to cache file metadata
Faster repeated operations on the same directories
Improves indexing speed for future operations
Batch Processing
Files are now processed in configurable batches
Better memory management for very large file sets (100,000+ files)
Graceful handling of extremely large directories
Error Handling
Improved recovery from permission issues and locked files
Better error messages for troubleshooting
Operations continue even when individual files fail
Technical Details
ThreadPoolExecutor implementation for parallel operations
Optimized worker count based on available CPU cores
Progress tracking with minimal overhead
Exception handling for all file operations