Concept
Megakernel
A GPU kernel fusion technique that merges multiple operations into a single large kernel to reduce launch overhead and memory access. It is commonly used to accelerate large model inference.
Timeline (last 90 days)
Oct 19
The core approach of this vLLM optimization is large-scale Megakernel fusion, with decode-specific kernels written in Cute DSL, and the entire Megakernel contains 12,000 lines of code.
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