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[TOPI, Cuda] Fix conv2d_transpose output padding #6236

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Aug 10, 2020
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[TOPI, Cuda] Fix conv2d_transpose output padding #6236

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4 changes: 2 additions & 2 deletions python/tvm/topi/cuda/conv2d_transpose_nchw.py
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Original file line number Diff line number Diff line change
Expand Up @@ -65,13 +65,13 @@ def conv2d_transpose_nchw(cfg, data, kernel, stride, padding, out_dtype,
out_width = (inp_width - 1) * stride_width + \
kernel_width - pad_left - pad_right + outpad_width
pad_left = kernel_width - 1 - pad_left
pad_right = kernel_width - 1 - pad_right
pad_right = kernel_width - 1 - pad_right + outpad_width
dilated_width = stride_width * (inp_width - 1) + 1

out_height = (inp_height - 1) * stride_height + \
kernel_height - pad_top - pad_bottom + outpad_height
pad_top = kernel_height - 1 - pad_top
pad_bottom = kernel_height - 1 - pad_bottom
pad_bottom = kernel_height - 1 - pad_bottom + outpad_height
dilated_height = stride_height * (inp_height - 1) + 1

# compute pad
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3 changes: 1 addition & 2 deletions tests/python/relay/test_op_grad_level2.py
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Expand Up @@ -151,8 +151,7 @@ def verify_conv2d_grad(dshape, wshape, strides, padding, dilation, groups=1, mod
def test_conv2d_grad():
verify_conv2d_grad((1, 4, 16, 16), (16, 4, 3, 3), [1, 1], [1, 1], [1, 1])
verify_conv2d_grad((1, 4, 16, 16), (16, 4, 1, 1), [1, 1], [0, 0], [1, 1])
# TODO(@vinx13) recover the test after we fix the conv2d grad.
# verify_conv2d_grad((1, 4, 16, 16), (16, 4, 1, 1), [2, 2], [0, 0], [1, 1])
verify_conv2d_grad((1, 4, 16, 16), (16, 4, 1, 1), [2, 2], [0, 0], [1, 1])
verify_conv2d_grad((1, 4, 16, 16), (16, 4, 3, 3), [1, 1], [1, 1], [1, 1], mode='first_order')


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