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At first let me thank you for aggregating all the recommendation algorithms at one place. While the SASRec from recbole version 0.2.1 seems to provide desired ranking of items, I am not able to produce the same results after migrating to recbole 1.2.0, with the same dataset.
I would like to reproduce the same output as obtained from recbole 0.2.1 in recbole 1.2.0, using SASRec and the same datasets.
4.Observation
While both the versions are expected to throw an error when loss_type=CE and train_neg_sample_args is not none (or training_neg_sample_num = 1), the error is observed only in 1.2.0 and training is successful with 0.2.1.
ValueError: train_neg_sample_args [{'distribution': 'uniform', 'sample_num': 1, 'alpha': 1.0, 'dynamic': False, 'candidate_num': 0}] should be None when the loss_type is CE.
1.BUG Description
At first let me thank you for aggregating all the recommendation algorithms at one place. While the SASRec from recbole version 0.2.1 seems to provide desired ranking of items, I am not able to produce the same results after migrating to recbole 1.2.0, with the same dataset.
2.TRAINING CODE
1.Version 0.2.1
1.1. config:
1.2. code for training
2.Version 1.2.0
2.1. config:
note: this configuration has been tried for both train_neg_sample_args=~ and None.
2.2. code for training
3.Expected behavior**
I would like to reproduce the same output as obtained from recbole 0.2.1 in recbole 1.2.0, using SASRec and the same datasets.
4.Observation
While both the versions are expected to throw an error when loss_type=CE and train_neg_sample_args is not none (or training_neg_sample_num = 1), the error is observed only in 1.2.0 and training is successful with 0.2.1.
1.VERSION 1.2.0
1.1.configurator file
1.2.produce configuration
2.VERSION 0.2.1
2.1.configurator file
2.2.produce configuration
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