Introduce DEPTH_TO_SPACE operation into PACL (#2781)

This patch will introduce Depth_To_Space into pure_arm_compute (#2765)

Signed-off-by: shubham <shub98.gupta@samsung.com>

diff --git a/runtimes/pure_arm_compute/src/compilation.cc b/runtimes/pure_arm_compute/src/compilation.cc
index 37af8c7..53294e0 100644 (file)
--- a/runtimes/pure_arm_compute/src/compilation.cc
+++ b/runtimes/pure_arm_compute/src/compilation.cc
@@ -520,6 +520,7 @@ public:
   void visit(const ::internal::tflite::op::L2Normalization::Node &node) override;
   void visit(const ::internal::tflite::op::SquaredDifference::Node &node) override;
   void visit(const ::internal::tflite::op::LocalResponseNormalization::Node &node) override;
+  void visit(const ::internal::tflite::op::DepthToSpace::Node &node) override;
 
 private:
   const ::internal::tflite::operand::Set &_ctx;
@@ -3971,6 +3972,12 @@ void Planner::visit(const ::internal::tflite::op::LocalResponseNormalization::No
   _builder.addStage(stage);
 }
 
+void Planner::visit(const ::internal::tflite::op::DepthToSpace::Node &node)
+{
+  // TODO Implement DepthToSpace op
+  throw std::runtime_error("Not supported");
+}
+
 class AllocationContext final : public IAllocationContext
 {
 public:

diff --git a/runtimes/pure_arm_compute/src/internal/op/DepthToSpace.cc b/runtimes/pure_arm_compute/src/internal/op/DepthToSpace.cc
new file mode 100644 (file)
index 0000000..db164a1
--- /dev/null
+++ b/runtimes/pure_arm_compute/src/internal/op/DepthToSpace.cc
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "internal/op/DepthToSpace.h"
+#include "internal/op/NodeVisitor.h"
+
+#include <cassert>
+
+namespace internal
+{
+namespace tflite
+{
+namespace op
+{
+namespace DepthToSpace
+{
+
+void Node::accept(NodeVisitor &&v) const { v.visit(*this); }
+
+} // namespace DepthToSpace
+} // namespace op
+} // namespace tflite
+} // namespace internal
+
+namespace internal
+{
+namespace tflite
+{
+namespace op
+{
+namespace DepthToSpace
+{
+
+Param::Param(uint32_t inputCount, const uint32_t *inputs, uint32_t outputCount,
+             const uint32_t *outputs)
+{
+  assert(inputCount == 2 && outputCount == 1);
+
+  output_index = outputs[0];
+
+  // Each input should be interpreted as follows:
+  //
+  //  0 -> Input Tensor Index
+  //  1 -> Block size Index
+  input_index = inputs[0];
+  block_size_index = inputs[1];
+}
+
+} // namespace DepthToSpace
+} // namespace op
+} // namespace tflite
+} // namespace internal

diff --git a/runtimes/pure_arm_compute/src/internal/op/DepthToSpace.h b/runtimes/pure_arm_compute/src/internal/op/DepthToSpace.h
new file mode 100644 (file)
index 0000000..dd4c5c9
--- /dev/null
+++ b/runtimes/pure_arm_compute/src/internal/op/DepthToSpace.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __INTERNAL_OP_DEPTHTOSPACE_H__
+#define __INTERNAL_OP_DEPTHTOSPACE_H__
+
+#include "internal/op/Node.h"
+
+#include <cstdint>
+
+namespace internal
+{
+namespace tflite
+{
+namespace op
+{
+namespace DepthToSpace
+{
+
+struct Param
+{
+  int32_t output_index;
+
+  int32_t input_index;
+  int32_t block_size_index;
+
+  Param() = default;
+  Param(uint32_t inputCount, const uint32_t *inputs, uint32_t outputCount, const uint32_t *outputs);
+};
+
+class Node final : public op::Node
+{
+public:
+  Node(const Param &param) : _param(param)
+  {
+    // DO NOTHING
+  }
+
+public:
+  virtual ~Node() = default;
+
+public:
+  const Param &param(void) const { return _param; }
+
+public:
+  void accept(NodeVisitor &&) const override;
+
+private:
+  const Param _param;
+};
+
+} // namespace DepthToSpace
+} // namespace op
+} // namespace tflite
+} // namespace internal
+
+#endif // __INTERNAL_OP_DEPTHTOSPACE_H__

diff --git a/runtimes/pure_arm_compute/src/internal/op/NodeVisitor.h b/runtimes/pure_arm_compute/src/internal/op/NodeVisitor.h
index 56585a3..095a9fc 100644 (file)
--- a/runtimes/pure_arm_compute/src/internal/op/NodeVisitor.h
+++ b/runtimes/pure_arm_compute/src/internal/op/NodeVisitor.h
@@ -57,6 +57,7 @@
 #include "internal/op/L2Normalization.h"
 #include "internal/op/SquaredDifference.h"
 #include "internal/op/LocalResponseNormalization.h"
+#include "internal/op/DepthToSpace.h"
 
 namespace internal
 {
@@ -114,6 +115,7 @@ struct NodeVisitor
   virtual void visit(const L2Normalization::Node &) = 0;
   virtual void visit(const SquaredDifference::Node &) = 0;
   virtual void visit(const LocalResponseNormalization::Node &) = 0;
+  virtual void visit(const DepthToSpace::Node &) = 0;
 };
 
 } // namespace op

diff --git a/runtimes/pure_arm_compute/src/model.cc b/runtimes/pure_arm_compute/src/model.cc
index 3a7db99..9aa4ad8 100644 (file)
--- a/runtimes/pure_arm_compute/src/model.cc
+++ b/runtimes/pure_arm_compute/src/model.cc
@@ -687,6 +687,17 @@ int ANeuralNetworksModel_addOperation(ANeuralNetworksModel *model,
 
       break;
     }
+    case ANEURALNETWORKS_DEPTH_TO_SPACE:
+    {
+      using internal::tflite::op::DepthToSpace::Param;
+      using internal::tflite::op::DepthToSpace::Node;
+
+      auto &operations = model->deref().operations();
+
+      operations.emplace_back<Node>(Param{inputCount, inputs, outputCount, outputs});
+
+      break;
+    }
     default:
       throw std::runtime_error{"Not supported operation"};
   };