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GetUpEarlier avatar GetUpEarlier commented on June 9, 2024

MegEngine/dnn/src/common/deformable_conv.cpp

Lines 75 to 102 in 47d8903

CanonizedFilterMeta DeformableConvBase::make_canonized_filter_meta(
size_t src_ndim, const TensorLayout& filter, const TensorLayout& offset) const {
megdnn_assert_contiguous(filter);
CanonizedFilterMeta ret;
ret.group = 1;
ret.dtype = filter.dtype;
ret.stride[0] = param().stride_h;
ret.stride[1] = param().stride_w;
ret.padding[0] = param().pad_h;
ret.padding[1] = param().pad_w;
ret.dilation[0] = param().dilate_h;
ret.dilation[1] = param().dilate_w;
if (param().sparse == Param::Sparse::GROUP) {
megdnn_assert(filter.ndim == 5, "filter dim should be 5 for group conv");
ret.group = filter[0];
}
make_canonized_filter_meta_nchw(src_ndim, filter, param(), ret);
auto fh = ret.spatial[0];
auto fw = ret.spatial[1];
ret.deformable_group = offset[1] / (2 * fh * fw);
return ret;
}
这里deformable group看起来是依赖于其他参数算出来的，不是独立的

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wwhio avatar wwhio commented on June 9, 2024

感谢回复，我再看看。

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