XJDKC edited a comment on issue #651: Add new example APIs URL: https://github.com/apache/singa/pull/651#issuecomment-609659740 > python3 train.py xceptionnet ci I think it might be that the memory addresses of some tensors were changed during the evaluation phase, which caused the calculation graph to not be executed correctly. Because in one epoch we run the graph multiple times correctly, which means the graph execution is correct. After commenting out the code of evaluation, I got this result. 
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