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FIX: fix the running error of DiffRec when noise_scale=0 #1915

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merged 3 commits into from
Nov 15, 2023
+3 −1
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FIX: fix the running error of DiffRec when noise_scale=0 #1915

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16cce99
fix bug when noise_scale=0
BishopLiu Nov 14, 2023
727cc36
Format Python code according to PEP8
BishopLiu Nov 14, 2023
3e7e630
Merge branch 'RUCAIBox:master' into master
BishopLiu Nov 14, 2023
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4 changes: 3 additions & 1 deletion recbole/model/general_recommender/diffrec.py
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Original file line number Diff line number Diff line change
Expand Up @@ -111,6 +111,8 @@ def __init__(self, config, dataset):
self.emb_size = config["embedding_size"]
self.norm = config["norm"] # True or False
self.reweight = config["reweight"] # reweight the loss for different timesteps
if self.noise_scale == 0.0:
self.reweight = False
self.sampling_noise = config[
"sampling_noise"
] # whether sample noise during predict
Expand Down Expand Up @@ -151,7 +153,7 @@ def __init__(self, config, dataset):
self.betas <= 1
).all(), "betas out of range"

self.calculate_for_diffusion()
self.calculate_for_diffusion()

def build_histroy_items(self, dataset):
r"""
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