In progressTechnical Screen

Call Stack Sampling and GPU Weight Distribution System Design

AnthropicSoftware Engineer · Technical Screen · Aug 2026

I interviewed this past Thursday. The first question was: given continuous call stack samples, generate timestamped function start/end events. While I was answering, the interviewer kept pushing back with follow-up questions, including things like: How do you compute the change between adjacent call stacks using the longest common prefix? Why do end events go from inside out, while start events g…

Shared by a candidate · reported Aug 2026. Interview formats change; use it as a guide, not a script.