# LLM Attention via Persistent State Machines and INT4 In-Memory Cells

A new technical approach applies persistent state machines to emulate LLM attention using INT4 in-memory cells. This design could cut computational and energy costs for large language models. It highlights a novel path toward more efficient AI inference hardware.

**Importance:** 3/5

## Sources

### Technology
- [Hacker News](https://zenodo.org/records/21753002) — Sun, 02 Aug 2026 01:01:45 +0000