Lavanya BasavarajuLong-form explainers on AI research and the engineering behind it, and on how AI is changing finance and healthcare.https://brainsesh.github.io/en-usMatFormer: Train Once, Deploy Infinitelyhttps://brainsesh.github.io/writing/matformer/https://brainsesh.github.io/writing/matformer/MatFormer nests smaller feed-forward blocks inside larger ones, so a single training run yields hundreds of accurate submodels you can pick from at deploy time, with no extra training.Sun, 12 Oct 2025 00:00:00 GMTAI & MLtransformersefficient-inferencearchitecturegemmabrainsesh@gmail.com (Lavanya Basavaraju)A Collection of Lighthttps://brainsesh.github.io/writing/a-collection-of-light/https://brainsesh.github.io/writing/a-collection-of-light/Brighter thoughts for darker days. A growing collection of words that help.Sun, 17 Aug 2025 00:00:00 GMTEssaysresiliencequotesbrainsesh@gmail.com (Lavanya Basavaraju)Building Robust AI Systemshttps://brainsesh.github.io/writing/async-ai-systems/https://brainsesh.github.io/writing/async-ai-systems/An engineer's guide to sync vs async design and to API frameworks, from REST to Flask to FastAPI.Mon, 11 Aug 2025 00:00:00 GMTAI & MLengineeringpythonapisasyncmcpagentsbrainsesh@gmail.com (Lavanya Basavaraju)Step into the Arenahttps://brainsesh.github.io/writing/step-into-the-arena/https://brainsesh.github.io/writing/step-into-the-arena/Dare. Strive. Create. You belong in the arena.Sun, 03 Aug 2025 00:00:00 GMTEssaysresiliencebrainsesh@gmail.com (Lavanya Basavaraju)Beyond Programming: Software 1.0 to 3.0https://brainsesh.github.io/writing/software-3/https://brainsesh.github.io/writing/software-3/Notes and opinions on Andrej Karpathy's keynote on how software is changing again.Sun, 20 Jul 2025 00:00:00 GMTAI & MLllmssoftware-engineeringagentsbrainsesh@gmail.com (Lavanya Basavaraju)Learning to Think: Decoding Dualformerhttps://brainsesh.github.io/writing/dualformer/https://brainsesh.github.io/writing/dualformer/Dualformer puts fast and slow reasoning into one transformer by training on reasoning traces with parts randomly dropped. The same model can answer directly, reason step by step, or decide which to do.Fri, 04 Jul 2025 00:00:00 GMTAI & MLreasoningtransformersllmssearchbrainsesh@gmail.com (Lavanya Basavaraju)