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Fix PyTorchImageClassificationTrainer's training #3339
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It seems that the current process only calculates the loss and gradient, and does not use the optimizer for optimization. Therefore, the model is not actually trained, and its accuracy on the Web UI remains unchanged.
For now, intermediate reports and final reports are consistent, and they are displayed once after all epochs have finished. This may not meet our expectations. We hope that intermediate reports can provide us with the validation results after each epoch.
ultmaster
approved these changes
Jan 27, 2021
QuanluZhang
approved these changes
Feb 2, 2021
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It seems that the current process only calculates the loss and gradient, and does not use the optimizer for optimization. Therefore, the model is not actually trained, and its accuracy on the Web UI remains unchanged.