Jiahan Xie
Research
Teaching
Posts
Misc
CV
Posts
Silicon Photonic Waveguides for ASIC Engineers: From Total Internal Reflections to Foundry Process
[Aug '26]
I wanted to write this post both as a record of what I’ve learned and as a quick intro for other ASIC engineers who want enough photonics background to understand what is happening around the electronics.
Cerebras Systems and the Wafer-Scale Engine: Scaling AI by Making the Chip Bigger
[May '26]
How Cerebras scales up by making the chip the size of a wafer, and why this matters for LLM inference.
Are Coding Agents Great Programmers?
[Apr '26]
Coding agents are excellent at tactical programming, but designing software is something else entirely.
Support LLVM GlobalISel for RISC-V Vector Extension on Partial ALU Instructions
[Dec '23]
Cornell CS6120 final project
MLIR Paper Reading Reflection
[Nov '23]
Cornell CS6120 course blog for the MLIR paper