chrishkchris commented on issue #580: [WIP] An experiment for buffering operations URL: https://github.com/apache/singa/pull/580#issuecomment-577107886 ``` ubuntu@ip-172-31-21-156:~/singa/examples/autograd$ python3 mlp3.py train_data_shape: (400, 2) train_label_shape: (400, 2) EnterEXEC EnterEXEC EnterBuffStart, 2 EnterBuffExit EnterBuffStart, 1 EnterBuffExit EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterBuffStart, 4 EnterBuffExit EnterBuffStart, 3 EnterBuffExit EnterBuffStart, 2 EnterBuffExit EnterBuffStart, 1 EnterBuffExit EnterEXEC EnterEXEC EnterBuffStart, 2 EnterBuffExit EnterBuffStart, 1 EnterBuffExit [10. 10.] EnterEXEC enter Addrow EnterEXEC EnterEXEC EnterEXEC EnterEXEC enter Addrow EnterEXEC EnterEXEC EnterBuffStart, 7 EnterBuffExit EnterBuffStart, 6 EnterBuffExit EnterBuffStart, 5 EnterBuffExit EnterBuffStart, 4 EnterBuffExit EnterBuffStart, 3 EnterBuffExit EnterBuffStart, 2 EnterBuffExit EnterBuffStart, 1 EnterBuffExit EnterEXEC EnterEXEC EnterBuffStart, 2 EnterBuffExit EnterBuffStart, 1 EnterBuffExit [30. 30.] EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterBuffStart, 5 enter cpp softmax immediately ops immediately ops enter Addrcolumn immediately ops immediately ops immediately ops immediately ops immediately ops immediately ops immediately ops EnterBuffExit EnterBuffStart, 4 enter cpu crossentropyEnterBuffExit EnterBuffStart, 3 EnterBuffExit EnterBuffStart, 2 EnterBuffExit EnterBuffStart, 1 EnterBuffExit EnterEXEC EnterEXEC EnterBuffStart, 2 EnterBuffExit EnterBuffStart, 1 EnterBuffExit 0.6931472 start backward loop EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterEXEC EnterBuffStart, 16 EnterBuffExit EnterBuffStart, 15 Segmentation fault (core dumped) ``` So now I am debugging the backward loop...
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