COMPMID-554 Add Nodes

- DepthwiseConvolutionLayer

Change-Id: Icaef85d7474f7532bf7d93d11b5c787712e57bdd
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/110524
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>

2 files changed, 74 insertions, 0 deletions

diff --git a/arm_compute/graph/Types.h b/arm_compute/graph/Types.h
index 5b6c9bde0d..f8d20615d6 100644
--- a/arm_compute/graph/Types.h
+++ b/arm_compute/graph/Types.h
@@ -94,6 +94,7 @@ enum class OperationType
     BatchNormalizationLayer,
     ConvolutionLayer,
     DepthConvertLayer,
+    DepthwiseConvolutionLayer,
     DequantizationLayer,
     FlattenLayer,
     FloorLayer,
diff --git a/arm_compute/graph/nodes/DepthwiseConvolutionLayer.h b/arm_compute/graph/nodes/DepthwiseConvolutionLayer.h
new file mode 100644
index 0000000000..48b2ef9140
--- /dev/null
+++ b/arm_compute/graph/nodes/DepthwiseConvolutionLayer.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_DEPTHWISE_CONVOLUTION_LAYER_H__
+#define __ARM_COMPUTE_GRAPH_DEPTHWISE_CONVOLUTION_LAYER_H__
+
+#include "arm_compute/graph/GraphContext.h"
+#include "arm_compute/graph/INode.h"
+#include "arm_compute/graph/ITensorObject.h"
+#include "arm_compute/graph/SubTensor.h"
+#include "arm_compute/graph/Tensor.h"
+#include "arm_compute/graph/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+namespace graph
+{
+/** Convolution layer node */
+class DepthwiseConvolutionLayer final : public INode
+{
+public:
+    /** Default constructor
+     *
+     * @param[in] conv_width  Convolution width
+     * @param[in] conv_height Convolution height
+     * @param[in] weights     Weights values tensor
+     * @param[in] conv_info   Convolution info
+     * @param[in] biases      (Optional) Biases values tensor
+     * @param[in] opt3x3      (Optional) If true executes DepthwiseConvolutionLayer3x3
+     */
+    template <typename AccessorType>
+    DepthwiseConvolutionLayer(unsigned int conv_width, unsigned int conv_height, AccessorType &&weights, const PadStrideInfo conv_info, AccessorType &&biases = nullptr, bool opt3x3 = true)
+        : _conv_width(conv_width), _conv_height(conv_height), _weights(std::move(weights)), _conv_info(conv_info), _biases(std::move(biases)), _opt3x3(opt3x3)
+    {
+    }
+
+    // Inherited methods overriden:
+    std::unique_ptr<arm_compute::IFunction> instantiate_node(GraphContext &ctx, ITensorObject *input, ITensorObject *output) override;
+
+private:
+    unsigned int        _conv_width;
+    unsigned int        _conv_height;
+    Tensor              _weights;
+    const PadStrideInfo _conv_info;
+    Tensor              _biases;
+    bool                _opt3x3;
+};
+} // namespace graph
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GRAPH_DEPTHWISE_CONVOLUTION_LAYER_H__ */