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[TEST ONLY]Drop scaled_dot_product_attention #6367

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[TEST ONLY]Drop scaled_dot_product_attention #6367

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6 changes: 5 additions & 1 deletion examples/models/llama/llama_transformer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@

# Please refer to README.md in the same folder for more information.

import math
from dataclasses import dataclass
from functools import partial
from typing import Dict, Optional, Tuple
Expand Down Expand Up @@ -251,7 +252,10 @@ def forward(

k = k.repeat_interleave(self.n_rep, dim=1)
v = v.repeat_interleave(self.n_rep, dim=1)
y = F.scaled_dot_product_attention(q, k, v, attn_mask=attn_mask, dropout_p=0.0)
scores = torch.matmul(q, k.transpose(2, 3)) / math.sqrt(self.head_dim)
scores = scores + attn_mask
scores = F.softmax(scores.float(), dim=-1).type_as(q)
y = torch.matmul(scores, v)

return y.transpose(1, 2).contiguous().view(bsz, seqlen, self.dim)

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