Implement Zero Bubble (ZB-1H) scheduling into FlagScale, which splits BW into B and W. #405
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… BW into B and W.
Corle-hyz
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heavyrain-lzy,
aoyulong and
zhaoyinglia
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To utilize ZB-H1, these changes need to be specified in the
demo.yamlfile:- sequence_parallel: True
+ sequence_parallel: False
- transformer_impl: transformer_engine
+ transformer_impl: local
+ enable_zero_bubble: True
- normalization: RMSNorm
+ normalization: LayerNorm
The figure below shows the profiling result of ZB-H1, where the
weight_grad_store: pop()/pop_all()kernels indicate the backward process of weight.