CPU: Implement op::Tuple and op::GetTupleElement

src/ngraph/runtime/cpu/emitter.cpp

@@ -20,6 +20,7 @@
 
 #include "ngraph/node.hpp"
 #include "ngraph/descriptor/layout/dense_tensor_view_layout.hpp"
+#include "ngraph/ops/get_tuple_element.hpp"
 #include "ngraph/runtime/tensor_view_info.hpp"
 #include "ngraph/runtime/cpu/external_function.hpp"
 #include "ngraph/runtime/cpu/emitter.hpp"
@@ -43,7 +44,7 @@ static unordered_map<type_index, string> element_type_names = {{TI(ngraph::eleme
 
 
 #define EIGEN_VECTOR_FORMAT(x) "{" + to_string(x) + "}"
-#define EIGEN_MATRIX_FORMAT(x)
+//#define EIGEN_MATRIX_FORMAT(x)
 
 void Emitter::EmitNop(const ngraph::Node* n,
                       ExternalFunction* ef,
@@ -107,3 +108,43 @@ void Emitter::EmitMultiply(const ngraph::Node* n,
                    EIGEN_VECTOR_FORMAT(inputs[1].get_layout<DenseTensorViewLayout>()->get_size()) ");\n"
           "    }\n";
 }
+
+void Emitter::EmitGetTupleElement(const ngraph::Node* n,
+                                  ExternalFunction* ef,
+                                  FunctionMap& function_map,
+                                  const std::vector<TensorViewInfo>& inputs,
+                                  const std::vector<TensorViewInfo>& outputs)
+{
+    auto get_tuple_element = static_cast<const op::GetTupleElement*>(n);
+    auto result_tensor_type =
+        dynamic_pointer_cast<const TensorViewType>(n->get_value_type());
+    assert(result_tensor_type);
+    auto& result_element_type = result_tensor_type->get_element_type();
+
+    TU += "    {\n"
+          "        call_frame->get_parameterized_tensor_view<" + element_type_names[TI(result_element_type)] + ">(" +
+                   to_string(outputs.at(0).get_index()) + ")->get_vector() =\n"
+          "        call_frame->get_parameterized_tensor_view<" + element_type_names[TI(result_element_type)] + ">(" +
+                   to_string(inputs.at(get_tuple_element->get_n()).get_index()) + ")->get_vector();\n"
+          "    }\n";
+}
+
+void Emitter::EmitTuple(const ngraph::Node* n,
+                        ExternalFunction* ef,
+                        FunctionMap& function_map,
+                        const std::vector<TensorViewInfo>& inputs,
+                        const std::vector<TensorViewInfo>& outputs)
+{
+    assert(inputs.size() == outputs.size());
+
+    TU += "    {\n";
+    for (size_t i = 0; i < inputs.size(); ++i)
+    {
+        auto& et = inputs.at(i).get_tensor_view_layout()->get_element_type();
+        TU +=  "        call_frame->get_parameterized_tensor_view<" + element_type_names[TI(et)] + ">(" +
+                        to_string(outputs.at(i).get_index()) + ")->get_vector() =\n"
+               "        call_frame->get_parameterized_tensor_view<" + element_type_names[TI(et)] + ">(" +
+                        to_string(inputs.at(i).get_index()) + ")->get_vector();\n";
+    }
+    TU += "    }\n";
+}

src/ngraph/runtime/cpu/emitter.hpp

@@ -60,6 +60,18 @@ namespace ngraph
                                   const std::vector<TensorViewInfo>& inputs,
                                   const std::vector<TensorViewInfo>& outputs);
 
+                void EmitGetTupleElement(const ngraph::Node*,
+                                         ExternalFunction*,
+                                         FunctionMap&,
+                                         const std::vector<TensorViewInfo>& inputs,
+                                         const std::vector<TensorViewInfo>& outputs);
+
+                void EmitTuple(const ngraph::Node*,
+                               ExternalFunction*,
+                               FunctionMap&,
+                               const std::vector<TensorViewInfo>& inputs,
+                               const std::vector<TensorViewInfo>& outputs);
+
             };
         }
     }

src/ngraph/runtime/cpu/external_function.cpp

@@ -69,7 +69,10 @@ using ngraph::descriptor::layout::DenseTensorViewLayout;
 static const OpMap dispatcher{{TI(ngraph::op::Add), &Emitter::EmitAdd},
                               {TI(ngraph::op::Dot), &Emitter::EmitDot},
                               {TI(ngraph::op::Multiply), &Emitter::EmitMultiply},
-                             {TI(ngraph::op::Parameter), &Emitter::EmitNop}};
+                              {TI(ngraph::op::Parameter), &Emitter::EmitNop},
+                              {TI(ngraph::op::GetTupleElement), &Emitter::EmitGetTupleElement},
+                              {TI(ngraph::op::Tuple), &Emitter::EmitTuple}
+                             };
 
 #undef TI
 

test/cpu.cpp

@@ -81,7 +81,6 @@ TEST(cpu, abc)
     ASSERT_EQ((vector<float>{50, 72, 98, 128}), result->get_vector());
 }
 
-/*
 TEST(cpu, abc_int64)
 {
     auto shape = Shape{2, 2};
@@ -91,7 +90,7 @@ TEST(cpu, abc_int64)
     auto rt = make_shared<TensorViewType>(element::Int64::element_type(), shape);
     auto f = make_shared<Function>((A + B) * C, rt, op::Parameters{A, B, C});
 
-    auto manager = runtime::Manager::get("NGVM");
+    auto manager = runtime::Manager::get("CPU");
     auto external = manager->compile(f);
     auto backend = manager->allocate_backend();
     auto cf = backend->make_call_frame(external);
@@ -116,7 +115,7 @@ TEST(cpu, abc_int64)
 }
 
 // Same as abc, but using tuples for input and output
-TEST(execute, abc_tuple)
+TEST(cpu, abc_tuple)
 {
     auto shape = Shape{2, 2};
 
@@ -131,7 +130,7 @@ TEST(execute, abc_tuple)
     auto f = make_shared<Function>(
         make_shared<op::Tuple>(Nodes{(A + B) * C}), tensor_view_type, op::Parameters{ABC});
 
-    auto manager = runtime::Manager::get("NGVM");
+    auto manager = runtime::Manager::get("CPU");
     auto external = manager->compile(f);
     auto backend = manager->allocate_backend();
     auto cf = backend->make_call_frame(external);
@@ -160,7 +159,7 @@ TEST(execute, abc_tuple)
 }
 
 // Same as abc, but using tuples for input and output
-TEST(execute, abc_tuple_int64)
+TEST(cpu, abc_tuple_int64)
 {
     auto shape = Shape{2, 2};
 
@@ -175,7 +174,7 @@ TEST(execute, abc_tuple_int64)
     auto f = make_shared<Function>(
         make_shared<op::Tuple>(Nodes{(A + B) * C}), tensor_view_type, op::Parameters{ABC});
 
-    auto manager = runtime::Manager::get("NGVM");
+    auto manager = runtime::Manager::get("CPU");
     auto external = manager->compile(f);
     auto backend = manager->allocate_backend();
     auto cf = backend->make_call_frame(external);
@@ -203,6 +202,7 @@ TEST(execute, abc_tuple_int64)
     ASSERT_EQ((vector<element::Int64::type>{50, 72, 98, 128}), result->get_vector());
 }
 
+/*
 // Multiple retrive values
 TEST(execute, tuple_result)
 {