From 7d8e634aedbac57653521b4daaee37636d999e57 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=EC=98=A4=ED=98=95=EC=84=9D/=EB=8F=99=EC=9E=91=EC=A0=9C?=
 =?utf8?q?=EC=96=B4Lab=28SR=29/Staff=20Engineer/=EC=82=BC=EC=84=B1?=
 =?utf8?q?=EC=A0=84=EC=9E=90?= <hseok82.oh@samsung.com>
Date: Fri, 1 Jun 2018 15:29:18 +0900
Subject: [PATCH] Define Max namespace in pure acl runtime (#1506)

Define Max namespace, node, param in pure acl runtime

Signed-off-by: Hyeongseok Oh <hseok82.oh@samsung.com>
---
 runtimes/pure_arm_compute/src/compilation.cc       |  7 +++
 runtimes/pure_arm_compute/src/internal/op/Max.cc   | 49 ++++++++++++++++++++
 runtimes/pure_arm_compute/src/internal/op/Max.h    | 54 ++++++++++++++++++++++
 .../pure_arm_compute/src/internal/op/NodeVisitor.h |  2 +
 runtimes/pure_arm_compute/src/model.cc             | 12 +++++
 5 files changed, 124 insertions(+)
 create mode 100644 runtimes/pure_arm_compute/src/internal/op/Max.cc
 create mode 100644 runtimes/pure_arm_compute/src/internal/op/Max.h

diff --git a/runtimes/pure_arm_compute/src/compilation.cc b/runtimes/pure_arm_compute/src/compilation.cc
index 6d7b08e..6080463 100644
--- a/runtimes/pure_arm_compute/src/compilation.cc
+++ b/runtimes/pure_arm_compute/src/compilation.cc
@@ -277,6 +277,7 @@ public:
   void visit(const ::internal::tflite::op::ResizeBilinear::Node &node) override;
   void visit(const ::internal::tflite::op::Reshape::Node &node) override;
   void visit(const ::internal::tflite::op::Softmax::Node &node) override;
+  void visit(const ::internal::tflite::op::Max::Node &node) override;
 
 private:
   const ::internal::tflite::operand::Set &_ctx;
@@ -1062,6 +1063,12 @@ void Planner::visit(const ::internal::tflite::op::Softmax::Node &node)
   _builder.addStage(stage);
 }
 
+void Planner::visit(const ::internal::tflite::op::Max::Node &node)
+{
+  VERBOSE(Max) << "Configure MAX operation" << std::endl;
+  throw std::runtime_error{"Not supported operation"};
+}
+
 class AllocationContext final : public IAllocationContext
 {
 public:
diff --git a/runtimes/pure_arm_compute/src/internal/op/Max.cc b/runtimes/pure_arm_compute/src/internal/op/Max.cc
new file mode 100644
index 0000000..8ac26db
--- /dev/null
+++ b/runtimes/pure_arm_compute/src/internal/op/Max.cc
@@ -0,0 +1,49 @@
+#include "internal/op/Max.h"
+#include "internal/op/NodeVisitor.h"
+
+#include <cassert>
+
+namespace internal
+{
+namespace tflite
+{
+namespace op
+{
+namespace Max
+{
+
+void Node::accept(NodeVisitor &&v) const { v.visit(*this); }
+
+} // namespace Max
+} // namespace op
+} // namespace tflite
+} // namespace internal
+
+namespace internal
+{
+namespace tflite
+{
+namespace op
+{
+namespace Max
+{
+
+Param::Param(uint32_t inputCount, const uint32_t *inputs, uint32_t outputCount,
+             const uint32_t *outputs)
+{
+  assert(inputCount == 2 && outputCount == 1);
+
+  ofm_index = outputs[0];
+
+  // Each input should be interpreted as follows:
+  //
+  //  0 -> Input Tensor Index
+  //  1 -> Axis Tensor Index
+  ifm_index = inputs[0];
+  axis_index = inputs[1];
+}
+
+} // namespace Max
+} // namespace op
+} // namespace tflite
+} // namespace internal
diff --git a/runtimes/pure_arm_compute/src/internal/op/Max.h b/runtimes/pure_arm_compute/src/internal/op/Max.h
new file mode 100644
index 0000000..954625f
--- /dev/null
+++ b/runtimes/pure_arm_compute/src/internal/op/Max.h
@@ -0,0 +1,54 @@
+#ifndef __INTERNAL_OP_MAX_H__
+#define __INTERNAL_OP_MAX_H__
+
+#include "internal/op/Node.h"
+
+#include <cstdint>
+
+namespace internal
+{
+namespace tflite
+{
+namespace op
+{
+namespace Max
+{
+
+struct Param
+{
+  int32_t ofm_index;
+
+  int32_t ifm_index;
+  int32_t axis_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 Max
+} // namespace op
+} // namespace tflite
+} // namespace internal
+
+#endif // __INTERNAL_OP_MAX_H__
diff --git a/runtimes/pure_arm_compute/src/internal/op/NodeVisitor.h b/runtimes/pure_arm_compute/src/internal/op/NodeVisitor.h
index 0295bce..e547ea2 100644
--- a/runtimes/pure_arm_compute/src/internal/op/NodeVisitor.h
+++ b/runtimes/pure_arm_compute/src/internal/op/NodeVisitor.h
@@ -11,6 +11,7 @@
 #include "internal/op/ResizeBilinear.h"
 #include "internal/op/FullyConnected.h"
 #include "internal/op/Softmax.h"
+#include "internal/op/Max.h"
 
 namespace internal
 {
@@ -33,6 +34,7 @@ struct NodeVisitor
   virtual void visit(const ResizeBilinear::Node &) = 0;
   virtual void visit(const FullyConnected::Node &) = 0;
   virtual void visit(const Softmax::Node &) = 0;
+  virtual void visit(const Max::Node &) = 0;
 };
 
 } // namespace op
diff --git a/runtimes/pure_arm_compute/src/model.cc b/runtimes/pure_arm_compute/src/model.cc
index 4b0a83b..9942f73 100644
--- a/runtimes/pure_arm_compute/src/model.cc
+++ b/runtimes/pure_arm_compute/src/model.cc
@@ -252,6 +252,18 @@ int ANeuralNetworksModel_addOperationEx(ANeuralNetworksModel *model,
 {
   switch (type)
   {
+    case ANEURALNETWORKS_TENSORFLOW_MAX_EX:
+    {
+      using internal::tflite::op::Max::Param;
+      using internal::tflite::op::Max::Node;
+
+      // Add 'operations'
+      auto &operations = model->deref().operations();
+
+      operations.emplace_back<Node>(Param{inputCount, inputs, outputCount, outputs});
+
+      break;
+    }
     default:
       throw std::runtime_error{"Not supported operation"};
   }
-- 
2.7.4