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单颗Groq 3 LPU仅配备500MB SRAM，而Rubin GPU搭载288GB HBM4，相差五百余倍，无法存储万亿参数模型。英伟达的解决方案是通过Dynamo软件拆分推理流程：Vera Rubin GPU负责预处理与注意力计算，Groq承担后续代币生成。
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"noaux_tc" is the only topk_method available. Why can't we put it in train mode? Well, this implementation of the MoEGate isn't differentiable. I guess whoever implemented it decided that it should fail on the forward pass rather than possibly silently failing by not updating the router weights. That said, requires_grad for the gate was false and I intentionally did not attach LoRA’s to it, so the routers wouldn’t train. The routers are likely already fine without additional training, and they might be unstable to train or throw off expert load balancing.
This marks the second such incident within a week. Previously, Fortune revealed that Anthropic unintentionally exposed close to 3,000 internal documents to the public, among them a preliminary blog entry detailing an unannounced, advanced new model.