nudles commented on a change in pull request #468: Distributted module
URL: https://github.com/apache/incubator-singa/pull/468#discussion_r317377008
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File path: python/singa/autograd.py
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@@ -1286,25 +1287,26 @@ def set_params(self, **parameters):
class _BatchNorm2d(Operation):
- def __init__(self, handle, name=None):
+ def __init__(self, handle, running_mean, running_var, name=None):
super(_BatchNorm2d, self).__init__(name)
self.handle = handle
+ self.running_mean = running_mean.data
+ self.running_var = running_var.data
- def forward(self, x, scale, bias, running_mean, running_var):
- self.running_mean = running_mean
- self.running_var = running_var
+ def forward(self, x, scale, bias):
if training:
if isinstance(self.handle, singa.CudnnBatchNormHandle):
y, mean, var = singa.GpuBatchNormForwardTraining(
- self.handle, x, scale, bias, running_mean, running_var
+ self.handle, x, scale, bias, self.running_mean,
self.running_var
Review comment:
pls do the cpu check ```if isinstance(self.handle,
singa.CpuBatchNormHandle):``` because if there is no GPU, then there will be
error like Cudnn... is unknown.
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