CPU: Implement op::Exp

src/ngraph/runtime/cpu/emitter.cpp

@@ -1499,3 +1499,22 @@ void Emitter::EMITTER_DECL(EmitSum)
         throw ngraph_error("Sum: only vectors and matrices are currently supported");
     }
 }
+
+void Emitter::EMITTER_DECL(EmitExp)
+{
+    const element::Type& et =
+        (dynamic_pointer_cast<const TensorViewType>(n->get_arguments().at(0)->get_value_type()))
+        ->get_element_type();
+
+    TU +=
+        "    {\n"
+        "        auto arg0 = call_frame->get_tensor_view_data<" + element_type_names[TI(et)] + ">(" +
+        to_string(inputs[0].get_index()) + ");\n"
+        "        auto out  = call_frame->get_tensor_view_data<" + element_type_names[TI(et)] + ">(" +
+        to_string(outputs[0].get_index()) + ");\n"
+        "        EigenArray1d<" + element_type_names[TI(et)] + ">(out, "
+        EIGEN_VECTOR_FORMAT(outputs[0].get_layout<DenseTensorViewLayout>()->get_size()) ") =\n"
+        "        EigenArray1d<" + element_type_names[TI(et)] + ">(arg0, "
+        EIGEN_VECTOR_FORMAT(inputs[0].get_layout<DenseTensorViewLayout>()->get_size()) ").exp();\n"
+        "    }\n";
+}

src/ngraph/runtime/cpu/emitter.hpp

@@ -83,6 +83,7 @@ namespace ngraph
                 void EMITTER_DECL(EmitSign);
                 void EMITTER_DECL(EmitSlice);
                 void EMITTER_DECL(EmitSum);
+                void EMITTER_DECL(EmitExp);
             };
         }
     }

src/ngraph/runtime/cpu/external_function.cpp

@@ -35,6 +35,7 @@
 #include "ngraph/ops/divide.hpp"
 #include "ngraph/ops/dot.hpp"
 #include "ngraph/ops/equal.hpp"
+#include "ngraph/ops/exp.hpp"
 #include "ngraph/ops/function_call.hpp"
 #include "ngraph/ops/get_tuple_element.hpp"
 #include "ngraph/ops/greater.hpp"
@@ -119,6 +120,7 @@ static const OpMap dispatcher{
     {TI(ngraph::op::Sign), &Emitter::EmitSign},
     {TI(ngraph::op::Slice), &Emitter::EmitSlice},
     {TI(ngraph::op::Sum), &Emitter::EmitSum},
+    {TI(ngraph::op::Exp), &Emitter::EmitExp},
 };
 
 #undef TI