chrishkchris commented on issue #606: Fix the env path to include mpiexec URL: https://github.com/apache/singa/pull/606#issuecomment-589507261 A test of the mpiexec command in dockerfile in single node (panda6) root@de81766b25d7:~/dcsysh/singa/examples/autograd# mpiexec --hostfile host_file python3 mnist_dist.py Starting Epoch 0: Training loss = 463.196106, training accuracy = 0.836856 Evaluation accuracy = 0.967949, Elapsed Time = 2.289939s Starting Epoch 1: Training loss = 149.340302, training accuracy = 0.949519 Evaluation accuracy = 0.980469, Elapsed Time = 2.257896s Starting Epoch 2: Training loss = 112.977020, training accuracy = 0.961856 Evaluation accuracy = 0.971855, Elapsed Time = 2.304186s Starting Epoch 3: Training loss = 95.893265, training accuracy = 0.967481 Evaluation accuracy = 0.972556, Elapsed Time = 2.297554s Starting Epoch 4: Training loss = 84.966179, training accuracy = 0.971371 Evaluation accuracy = 0.981771, Elapsed Time = 2.238955s Starting Epoch 5: Training loss = 76.566475, training accuracy = 0.973858 Evaluation accuracy = 0.979267, Elapsed Time = 2.248186s Starting Epoch 6: Training loss = 73.179596, training accuracy = 0.975544 Evaluation accuracy = 0.984075, Elapsed Time = 2.247814s Starting Epoch 7: Training loss = 67.654587, training accuracy = 0.977597 Evaluation accuracy = 0.976863, Elapsed Time = 2.257856s Starting Epoch 8: Training loss = 62.395630, training accuracy = 0.978549 Evaluation accuracy = 0.981370, Elapsed Time = 2.267953s Starting Epoch 9: Training loss = 59.330917, training accuracy = 0.980335 Evaluation accuracy = 0.983674, Elapsed Time = 2.242991s I will need to think about how to use docker to launch mpiexec in multi-node This PR is ready for merge
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