Recent optimizations in Python's Reference Counting

CPython 3.14+ introduced LOADFASTBORROW, a bytecode optimization that skips reference count increments when loading local variables in hot loops, using static lifetime analysis to ensure safety. This reduces memory management overhead in performance-critical code like tight loops, mimicking Rust-style borrowing while preserving Python's reference counting model, with further JIT optimi...

https://rushter.com/blog/python-refcount/

PennyLane

PennyLane is a cross-platform Python library for quantum computing, quantum machine learning, and quantum chemistry. Built by researchers, for research.

https://github.com/PennyLaneAI/pennylane

SleepFM

A multimodal sleep foundation model that can predict 130 diseases from 1 night of sleep.

https://github.com/zou-group/sleepfm-clinical