未验证 提交 24e61d30 编写于 作者: T Tao Luo 提交者: GitHub

Merge pull request #13378 from chuanqi129/group_conv

Support grouped convolution layer with mkldnn.
......@@ -302,8 +302,7 @@ class ConvMKLDNNOpKernel : public paddle::framework::OpKernel<T> {
bool fuse_relu = ctx.Attr<bool>("fuse_relu");
int groups = ctx.Attr<int>("groups");
// TODO(pzelazko-intel) add support for group convolution and dilation
PADDLE_ENFORCE(groups == 1, "group convolution is not implemented yet");
// TODO: add support for dilation
PADDLE_ENFORCE(
dilations.size() == 2 && dilations[0] == 1 && dilations[1] == 1,
"dilation in convolution is not implemented yet");
......@@ -314,6 +313,19 @@ class ConvMKLDNNOpKernel : public paddle::framework::OpKernel<T> {
std::vector<int> src_tz = paddle::framework::vectorize2int(input->dims());
std::vector<int> weights_tz =
paddle::framework::vectorize2int(filter->dims());
int g = std::max(groups, 1);
if (g > 1) {
int o = weights_tz[0];
int i = weights_tz[1];
int h = weights_tz[2];
int w = weights_tz[3];
weights_tz.resize(5);
weights_tz[0] = g;
weights_tz[1] = o / g;
weights_tz[2] = i;
weights_tz[3] = h;
weights_tz[4] = w;
}
std::vector<int> dst_tz = paddle::framework::vectorize2int(output->dims());
// Get unique name for storing MKLDNN primitives
......@@ -327,7 +339,8 @@ class ConvMKLDNNOpKernel : public paddle::framework::OpKernel<T> {
auto user_src_md = platform::MKLDNNMemDesc(
{src_tz}, platform::MKLDNNGetDataType<T>(), input->format());
auto user_weights_md = platform::MKLDNNMemDesc(
{weights_tz}, platform::MKLDNNGetDataType<T>(), filter->format());
{weights_tz}, platform::MKLDNNGetDataType<T>(),
(g == 1) ? filter->format() : mkldnn::memory::format::goihw);
/* create memory descriptor for convolution without specified format
* ('any') which lets a primitive (convolution in this case) choose
......@@ -340,7 +353,8 @@ class ConvMKLDNNOpKernel : public paddle::framework::OpKernel<T> {
auto src_md = platform::MKLDNNMemDesc(
src_tz, platform::MKLDNNGetDataType<T>(), chosen_memory_format);
auto weights_md = platform::MKLDNNMemDesc(
weights_tz, platform::MKLDNNGetDataType<T>(), chosen_memory_format);
weights_tz, platform::MKLDNNGetDataType<T>(),
(g == 1) ? chosen_memory_format : mkldnn::memory::format::goihw);
std::vector<int> bias_tz; // TODO(mgallus): avoid empty vector creation.
// Currently used whenever bias is != nullptr.
auto dst_md = platform::MKLDNNMemDesc(
......
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