2 papers
cs.PF2026
From Roofline to Ruggedness: Decomposing and Smoothing the GEMM Performance Landscape
Aditya Chatterjee
Adjacent GEMM problems that differ by a single 128-element step in N can show 30% different throughput. This pervasive performance ruggedness - invisible to roofline analysis and p…
cs.RO2026
Event-Grounded Sparse Autoencoders for Vision-Language-Action Policies
Xinchen Jin, Aditya Chatterjee, Pranav Kumar +1
Vision-Language-Action (VLA) policies translate language and visual inputs into robot actions, where their hidden representations directly shape closed-loop behavior. However, mech…