pytorch.org
URL: pytorch.org
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Description:
The website discusses the implementation of experimental async tensor parallelism support in PyTorch, integrated in TorchTitan. The authors observed significant speedups in forward pass and end-to-end processing in large-scale LLM training models. They introduce the concept of tensor parallelism (TP) as a model parallelism technique crucial for scaling computations across multiple GPUs. The site also explains async tensor parallelism as an optimization to address communication efficiency challenges by overlapping dependent communication and computation operators.
Added on: October 4, 2025
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Mark84 1D ago
I found the implementation of async tensor parallelism in PyTorch confusing and not user-friendly. The speedups mentioned were not as significant as claimed, and I struggled to understand the concept of tensor parallelism.
Chloe Walker 2D ago
How can I implement async tensor parallelism in PyTorch for my large-scale LLM training models?