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[bug-fix] Make resnet barracuda-compatible (#5358) #5364

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Merged
merged 1 commit into from
May 13, 2021
Merged

[bug-fix] Make resnet barracuda-compatible (#5358) #5364

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6 changes: 3 additions & 3 deletions ml-agents/mlagents/trainers/torch/encoders.py
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Original file line number Diff line number Diff line change
Expand Up @@ -257,8 +257,9 @@ def __init__(
layers.append(ResNetBlock(channel))
last_channel = channel
layers.append(Swish())
self.final_flat_size = n_channels[-1] * height * width
self.dense = linear_layer(
n_channels[-1] * height * width,
self.final_flat_size,
output_size,
kernel_init=Initialization.KaimingHeNormal,
kernel_gain=1.41, # Use ReLU gain
Expand All @@ -268,7 +269,6 @@ def __init__(
def forward(self, visual_obs: torch.Tensor) -> torch.Tensor:
if not exporting_to_onnx.is_exporting():
visual_obs = visual_obs.permute([0, 3, 1, 2])
batch_size = visual_obs.shape[0]
hidden = self.sequential(visual_obs)
before_out = hidden.reshape(batch_size, -1)
before_out = hidden.reshape(-1, self.final_flat_size)
return torch.relu(self.dense(before_out))