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[shardformer] update shardformer to use flash attention 2 (#4392)

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* cherry-pick flash attention 2

cherry-pick flash attention 2

* [shardformer] update shardformer to use flash attention 2

[shardformer] update shardformer to use flash attention 2, fix

[shardformer] update shardformer to use flash attention 2, fix

[shardformer] update shardformer to use flash attention 2, fix
This commit is contained in:
flybird1111
2023-08-09 14:32:19 +08:00
committed by Hongxin Liu
parent ed4c448488
commit 7a3dfd0c64
9 changed files with 10 additions and 11 deletions
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colossalai/shardformer/modeling/gpt2.py
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@@ -674,7 +674,7 @@ def get_gpt2_flash_attention_forward():
from transformers.models.gpt2.modeling_gpt2 import GPT2Attention
from colossalai.kernel.cuda_native.flash_attention import AttnMaskType, ColoAttention
from colossalai.kernel.cuda_native import AttnMaskType, ColoAttention
def split_heads(tensor, num_heads, attn_head_size):
"""