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I am using fit_generator to train the model. The training dataset is being read from a generator function which gives data in a constant batch size. Now I want to know what approach shall I adopt for validation data. Shall I make a generator for the validation set or load it completely into memory and use it in fit_generator?

Note: Validation dataset is fitting into memory quite easily therefore batching is an option for me.

yamini goel
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If validation batch size = 1 it has no difference in comparison with the case that load the data completely. But with any other value of batch size the evaluation metric will be an average of it in different batches; So, its real value will not be resulted.

Alireza Zolanvari
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