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bugfix: only the last round of dialogue is involved in the calculatio… #2691

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bugfix: only the last round of dialogue is involved in the calculatio… #2691

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5 changes: 4 additions & 1 deletion paddleformers/datasets/finetuning.py
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Original file line number Diff line number Diff line change
Expand Up @@ -195,10 +195,13 @@ def process_fc(data, input_file):
for index, turn in enumerate(multi_turns_messages):
if "assistant" in turn["role"] and label[assistant_index]:
message = copy.deepcopy(multi_turns_messages[: index + 1])
# Only the last round of dialogue is involved in the calculation of the loss.
label_processed = copy.deepcopy(label)
label_processed[:-1] = 0
ex = Example(
request={"messages": message, "tools": tools_list},
system=system,
label=label,
label=label_processed,
is_system=is_system,
source=input_file,
is_function_call=True,
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