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Fix gpt example attention mask #3240

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merged 8 commits into from
Sep 26, 2022
Merged

Fix gpt example attention mask #3240

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8e85947
add hf ds and upgrade example
Jul 29, 2022
06038b6
Merge branch 'develop' of https://github.com/PaddlePaddle/PaddleNLP i…
Sep 9, 2022
f560a6b
fix attention mask
Sep 9, 2022
28ea1e2
update
Sep 10, 2022
2e44dda
update attention mask
Sep 26, 2022
733a674
Merge branch 'develop' into gpt_fix
Sep 26, 2022
50f7e86
fix static attention mask
Sep 26, 2022
152df09
Merge branch 'develop' into gpt_fix
Sep 26, 2022
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6 changes: 1 addition & 5 deletions model_zoo/gpt/dataset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -442,17 +442,13 @@ def _construct_sample(self, tokens):
labels = tokens[1:]
tokens = tokens[:-1]
seq_length = len(tokens)
# Attention mask for the attention calulate
attention_mask = np.tri(seq_length, seq_length).reshape(
(1, seq_length, seq_length))

# The pad and eos tokens do not contribute the loss
loss_mask = np.ones(seq_length, dtype="float32")
loss_mask[np.where(np.array(tokens) == self.eos_id)] = 0.0
position_ids = np.arange(0, seq_length, dtype="int64")

attention_mask = (attention_mask - 1.0) * 1e9
attention_mask = attention_mask.astype("float32")
attention_mask = np.ones(seq_length, dtype="int64")
labels = np.array(labels, dtype="int64")
return [tokens, loss_mask, attention_mask, position_ids, labels]

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7 changes: 3 additions & 4 deletions model_zoo/gpt/run_pretrain_static.py
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Expand Up @@ -53,10 +53,9 @@ def create_data_holder(args):
loss_mask = paddle.static.data(name="loss_mask",
shape=[-1, args.max_seq_len],
dtype="float32")
attention_mask = paddle.static.data(
name="attention_mask",
shape=[-1, 1, args.max_seq_len, args.max_seq_len],
dtype="float32")
attention_mask = paddle.static.data(name="attention_mask",
shape=[-1, args.max_seq_len],
dtype="int64")
position_ids = paddle.static.data(name="position_ids",
shape=[-1, args.max_seq_len],
dtype="int64")
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