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Question about the effect of labels[0, :start_token] = -100 #20

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lygjwy opened this issue Jun 18, 2024 · 1 comment

lygjwy commented Jun 18, 2024

Hi, I don't understand the function of code 'labels[0, :start_token] = -100' in Line 68 from cherry_seletion/data_analysis.py file.

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MingLiiii commented Jul 24, 2024

Sorry for the late reply! The use of = -100 is to make LLMs ignore the calculation of loss on those positions.

MingLiiii closed this as completed

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