STORY · MODELLER_
Megakernels: dead and alive again
Latent Space discusses the debate over megakernels in AI inference: whether large fused GPU kernels are dead or still relevant. NVIDIA announced the Rubin GPU with dependency triggers that change the landscape for kernel overlapping and make kernel fusion less necessary.
WHY IT MATTERS
The megakernels debate affects how inference engineering is done in practice. NVIDIA's Rubin design potentially solves the problems that previously justified complex kernel fusion, and may mark the end of a research paradigm.
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