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Unverified Commit 47962467 authored by Yosuke Shinya's avatar Yosuke Shinya Committed by GitHub
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[Fix] Fix DCN fp16 (#1014) 

* [Fix] Fix DCN fp16

* add comment
parent f61295d9
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mmcv/ops/deform_conv.py
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......@@ -70,6 +70,9 @@ class DeformConv2dFunction(Function):
ctx.deform_groups = deform_groups
ctx.im2col_step = im2col_step
# until the code is modified for torch.cuda.amp.autocast,
# we need to cast weight to avoid type mismatch in fp16 training
weight = weight.type_as(input)
ctx.save_for_backward(input, offset, weight)
output = input.new_empty(
......
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