Neuron Explorer
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- Trainium3 Advances Native PyTorch Training, but CUDA Gap Remains
SemiAnalysis reports that Anthropic is running production inference and reinforcement-learning rollouts on AWS Trainium2 and Trainium3, while AWS Neuron is moving Trainium toward native PyTorch training with eager mode, torch.compile and standard APIs. Its engineers found the Trainium3 direction promising after testing the TorchTitan and TorchNeuron stack, but encountered unspecified bugs, long compilation times and a platform that remains far less mature than NVIDIA's CUDA ecosystem. AWS says upcoming TorchNeuron releases will use precompiled NKI kernels and a redesigned compile stack to target faster time to first step, though that target has not yet been demonstrated.
SemiAnalysis · 🔥 0
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