MPK Update: Megakernel Compilation for LLMs
JiaZhihao · x · 2026-07-15
Marking MPK's first anniversary, the author shared several updates:
- Plans to present at OSDI 2026 on how to compile an LLM into a single megakernel.
- The runtime has been rebuilt for Blackwell, with faster and leaner megakernel versions coming soon.
- The community has extended the megakernel to more hardware backends, including a port for AMD MI350X.
- The project now has over 50 contributors.
A cited excerpt explains MPK's core concept: fusing LLM computation and communication into a single GPU megakernel to reduce the difficulty of hand-writing them, claiming a 1.2–6.7x reduction in latency.
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