Vincent Zhong — Writing

Writing

Notes from systems work, experiments worth preserving, and the occasional paper.

Academic writing

Retrieval with Learned Dense and Sparse Representations Using AnseriniHow we brought learned dense and sparse retrieval into Anserini.SIGIR 2025

Notes and experiments

GDN-3 preconditioner ablationsA careful null result on diagonal preconditioning, from 200M to 1.3B parameters.2026CS336 A1, near the speed of lightPushing a small language-model training loop toward the hardware limit on a B200.2026