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GLM 5.3 writes faster GPU kernels than humans, SemiAnalysis podcast says

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SemiAnalysis hosts Kimbo, Wenyao and Jordan discuss a claim that GLM 5.3 writes faster kernels than humans given enough budget. The episode covers sparse attention, a memory bottleneck the hosts say is not priced in, and their argument that cheaper tokens could mean more HBM demand.

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Is GLM 5.3 worth sounding the alarms? 🚨
“As long as you have the budget, it will write faster kernels than humans.”
Kimbo (@kimbochen) and Wenyao (@gao_wenyao) join Jordan (@JordanNanos) this week to unpack sparse attention, the memory bottleneck nobody’s pricing in, and why cheaper tokens might mean more HBM, not less.

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