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Edenzzzz 2025-05-06 14:14:22 -05:00
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colossalai/shardformer/layer/attn.py
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@ -410,7 +410,7 @@ class RingAttention(torch.autograd.Function):
We also adopt the double ring topology from LoongTrain to fully utilize available
NICs on each node, by computing attention within a inner ring first and then sending all KVs to the next
ring at once.
Our implementation references
Our implementation references code from
- ring-flash-attention: https://github.com/zhuzilin/ring-flash-attention/tree/main
- Megatron Context Parallel: https://github.com/NVIDIA/TransformerEngine/pull/726
References: