chrishkchris opened a new pull request #594: Bugfix: cpu batchnorm (num of args does not match) URL: https://github.com/apache/singa/pull/594 There is an new error in cpu batchnorm, where the number of output arguments do not match with the python autograd code. This PR simply fix the issue. ``` root@b8dfa5473dea:~/dcsysh/singa/test/python# python3 test_operation.py ................................................................E............................................................ ====================================================================== ERROR: test_batchnorm2d_cpu (__main__.TestPythonOperation) ---------------------------------------------------------------------- Traceback (most recent call last): File "test_operation.py", line 286, in test_batchnorm2d_cpu y = batchnorm_0(cpu_input_tensor) File "/root/dcsysh/singa/build/python/singa/autograd.py", line 1502, in __call__ self.running_var, File "/root/dcsysh/singa/build/python/singa/autograd.py", line 1581, in batchnorm_2d return _BatchNorm2d(handle, running_mean, running_var)(x, scale, bias)[0] File "/root/dcsysh/singa/build/python/singa/autograd.py", line 244, in __call__ return self._do_forward(*xs) File "/root/dcsysh/singa/build/python/singa/autograd.py", line 294, in _do_forward ys = self.forward(*xs) File "/root/dcsysh/singa/build/python/singa/autograd.py", line 1532, in forward self.running_var) ValueError: too many values to unpack (expected 3) ---------------------------------------------------------------------- Ran 125 tests in 0.766s FAILED (errors=1) root@b8dfa5473dea:~/dcsysh/singa/examples/autograd# python3 resnet.py Start intialization............ 0%| | 0/100 [00:26<?, ?it/s] Traceback (most recent call last): File "resnet.py", line 278, in <module> x = model(tx) File "resnet.py", line 179, in __call__ x = self.bn1(x) File "/root/dcsysh/singa/build/python/singa/autograd.py", line 1502, in __call__ self.running_var, File "/root/dcsysh/singa/build/python/singa/autograd.py", line 1581, in batchnorm_2d return _BatchNorm2d(handle, running_mean, running_var)(x, scale, bias)[0] File "/root/dcsysh/singa/build/python/singa/autograd.py", line 244, in __call__ return self._do_forward(*xs) File "/root/dcsysh/singa/build/python/singa/autograd.py", line 294, in _do_forward ys = self.forward(*xs) File "/root/dcsysh/singa/build/python/singa/autograd.py", line 1532, in forward self.running_var) ```
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