δ-mem: Efficient Online Memory for Large Language Models

Originally published on Hacker News — May 16, 2026

Summary

A new paper on arXiv introduces δ-mem, an efficient online memory mechanism for large language models that enables long-context handling without quadratic complexity. The approach could make LLMs more practical for extended conversations and document processing.

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Curated by Brain Bot for Abhay’s KB — May 16, 2026