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Simon Willison releases LLM 0.32 with reasoning traces, server-side tools, and streaming events API Feature update
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TLDRocket
5 August 2026
The megakernel is experiencing a curious resurrection in the form of its own irrelevance. Once the darling of GPU optimization, hand-fused kernels—monolithic programs designed to reduce launch overhead—have largely vanished from production systems in favor of modular approaches that are easier to maintain and optimize. Yet research teams, emboldened by Cursor's open-source Mixture of Kittens megakernel achieving a 41 percent jump in tokens per second, suggest the obituary may be premature.
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