V prediction ddim#1313
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natolambert merged 19 commits intohuggingface:v_predictionfrom Nov 17, 2022
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natolambert
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Nov 17, 2022
natolambert
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Nov 17, 2022
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| variance = (beta_prod_t_prev / beta_prod_t) * (1 - alpha_prod_t / alpha_prod_t_prev) | ||
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| if self.variance_type == "fixed": |
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can we get this from prediction type? Why do we need variance and prediction type?
natolambert
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natolambert
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Nov 17, 2022
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changes to DDIM scheduler to allow for v prediction training. Accompanying example script to train on butterflies dataset