v2.0.0 - Multi-Column Storage & GPU Acceleration

What's New

Multi-Column Storage

• Pack heterogeneous tensors (text, image, audio) in one file
• Selective column loading
• Per-column compression settings

Column Manipulation

• Add/update/delete/rename columns without repacking

Zero-Copy Memory Mapping

• 50-90% memory reduction with mmap
• Page-aligned chunks for efficiency