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support fp16 training with gather_points op (#1758)

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Wenhao Wu 2022-03-02 17:55:13 +08:00 committed by GitHub
parent fd3a1a16ea
commit 4e77382034
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1 changed files with 2 additions and 2 deletions
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mmcv/ops/gather_points.py
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@ -26,7 +26,7 @@ class GatherPoints(Function):
B, npoint = indices.size()
_, C, N = features.size()
output = torch.cuda.FloatTensor(B, C, npoint)
output = features.new_zeros((B, C, npoint))
ext_module.gather_points_forward(
features, indices, output, b=B, c=C, n=N, npoints=npoint)
@ -41,7 +41,7 @@ class GatherPoints(Function):
idx, C, N = ctx.for_backwards
B, npoint = idx.size()
grad_features = torch.cuda.FloatTensor(B, C, N).zero_()
grad_features = grad_out.new_zeros((B, C, N))
grad_out_data = grad_out.data.contiguous()
ext_module.gather_points_backward(
grad_out_data,