Tired of out-of-memory errors derailing your data analysis? There's a better way to handle huge arrays in Python.

Zint uses FastLanes internally so it implements fully vectorized delta encoding and bitpacking. It is safe to decompress untrusted input. Supports signed integers. Supports 128 and 256 bit integers.

This is the codebase for our work TetWeave: Isosurface Extraction using On-The-Fly Delaunay Tetrahedral Grids for Gradient-Based Mesh Optimization, accepted as Journal Paper at SIGGRAPH 2025. It ...