Writing by Nabarun SarkarNotes on machine learning, robotics, agent infrastructure and blockchain.https://nabaruns.com/writing/2026-09-10T00:00:00ZNabarun Sarkarhttps://nabaruns.com/The KV cache and the long-context racehttps://nabaruns.com/writing/kv-cache-and-context.html2026-09-10T00:00:00Z2026-09-10T00:00:00ZA history of the KV cache in LLMs: why it exists, the papers that shrank it, the position tricks that stretched context, and how windows grew from 2,000 tokens to a million.The machinery of attention: a reading list from IISc's Centre for Neurosciencehttps://nabaruns.com/writing/cns-attention.html2026-09-08T00:00:00Z2026-09-09T00:00:00ZThe selected papers from Sridharan Devarajan's Cognition, Computation and Behavior Lab, summarized and linked: the two components of attention, how it separates from expectation and reward, and deep learning for medical images.The HiRo Lab reading list: robots that learn from peoplehttps://nabaruns.com/writing/hiro-lab-research.html2026-09-08T00:00:00Z2026-09-09T00:00:00ZA summary of every paper on IISc's HiRo Lab research page, grouped by the five threads the lab pulls on: interactive RL, foundation models, safe human-robot interaction, optimal control, and 3D vision.