gpu convolution asymmetric pad (#1064)

* change convolution to use cudnn emitter

* convolution working

* add asymmetric pad

* forward with asymmetric working

* backward asymmetric

* padding to padding_below

* pad still has bug on backward

* change name

* fix convolution back prop

* fix code block

* slice back from padded output:

* working code

* extra ,

* Update gpu_emitter.cpp

* splict build_convolution to 3 function

* format and fix bugs

* Update cudnn_emitter.hpp

src/ngraph/runtime/gpu/cudnn_emitter.hpp

@@ -50,11 +50,38 @@ namespace ngraph
             public:
                 enum class Prop
                 {
-                    Inference,
+                    Inference = 0,
                     Forward,
                     Backward
                 };
 
+                size_t build_convolution(const runtime::gpu::GPURuntimeContext* ctx,
+                                         const cudnnDataType_t data_type,
+                                         const Shape& input_tensor_shape,
+                                         const Shape& input_filter_shape,
+                                         const Shape& output_tensor_shape,
+                                         const Strides& window_movement_strides,
+                                         const Strides& window_dilation_strides,
+                                         const Shape& padding_below);
+
+                size_t build_convolution_backward_data(const runtime::gpu::GPURuntimeContext* ctx,
+                                                       const cudnnDataType_t data_type,
+                                                       const Shape& input_filter_shape,
+                                                       const Shape& input_tensor_shape,
+                                                       const Shape& output_tensor_shape,
+                                                       const Strides& window_movement_strides,
+                                                       const Strides& window_dilation_strides,
+                                                       const Shape& padding_below);
+
+                size_t build_convolution_backward_filter(const runtime::gpu::GPURuntimeContext* ctx,
+                                                         const cudnnDataType_t data_type,
+                                                         const Shape& input_tensor_shape_0,
+                                                         const Shape& input_tensor_shape_1,
+                                                         const Shape& output_filter_shape,
+                                                         const Strides& window_movement_strides,
+                                                         const Strides& window_dilation_strides,
+                                                         const Shape& padding_below);
+
                 size_t build_reduce_forward(const GPURuntimeContext* ctx,
                                             const cudnnReduceTensorOp_t& reduce_op,
                                             const Shape& input_shape,
@@ -84,6 +111,16 @@ namespace ngraph
                                      const Shape& tensor_shape);
 
                 cudnnTensorDescriptor_t& tensor_descriptor_from_shape(const Shape& shape);
+                cudnnFilterDescriptor_t&
+                    get_cudnn_filter_descriptor(const Shape& shape,
+                                                const cudnnDataType_t data_type,
+                                                const cudnnTensorFormat_t tensor_format);
+                cudnnConvolutionDescriptor_t&
+                    get_cudnn_convolution_descriptor(const Shape& padding,
+                                                     const Strides& window_movement_strides,
+                                                     const Strides& window_dilation_strides,
+                                                     cudnnConvolutionMode_t mode,
+                                                     cudnnDataType_t data_type);
 
             private:
                 CUDNNEmitter(GPUPrimitiveEmitter* emitter);

src/ngraph/runtime/gpu/unit_test.manifest

@@ -15,7 +15,6 @@ convolution_2d_1item_1o1i_data_dilated
 convolution_2d_1item_2o1i_data_dilated
 convolution_2d_1item_2o2i_data_dilated
 convolution_2d_1item_5o3i_data_dilated
-convolution_2d_1item_padded_2_3x4_5
 convolution_2d_2item_5o3i_data_dilated
 convolution_2d_2items_dilated_padded
 convolution_2d_2items_strided_padded