change codegened functions to take void** instead of vector<void*>

src/ngraph/runtime/cpu/call_frame.cpp

@@ -45,7 +45,7 @@ void CallFrame::tensor_call(
     }
 
     // Invoke compiled computation
-    m_compiled_function(inputs, outputs);
+    m_compiled_function(inputs.data(), outputs.data());
 }
 
 void CallFrame::operator()(const std::vector<std::shared_ptr<ngraph::runtime::Value>>& arguments,

src/ngraph/runtime/cpu/call_frame.hpp

@@ -32,8 +32,7 @@ namespace ngraph
         {
             class CallFrame;
 
-            using EntryPoint_t = void(const std::vector<void*>& inputs,
-                                      const std::vector<void*>& outputs);
+            using EntryPoint_t = void(void** inputs, void** outputs);
 
             using EntryPoint = std::function<EntryPoint_t>;
 

src/ngraph/runtime/cpu/emitter.cpp

@@ -967,8 +967,8 @@ void Emitter::EmitReduce(const ngraph::Node* n,
             TU.indent++;
             TU << "\n";
             TU << type << " result;\n";
-            TU << "std::vector<void*> inputs = {&x, &y};\n";
-            TU << "std::vector<void*> outputs = {&result};\n";
+            TU << "void* inputs[] = {&x, &y};\n";
+            TU << "void* outputs[] = {&result};\n";
             TU << reduction_function->get_name() << "(inputs, outputs);\n";
             TU << "return result;\n";
             TU.indent--;
@@ -1003,8 +1003,8 @@ void Emitter::EmitReduce(const ngraph::Node* n,
             TU.indent++;
             TU << "\n";
             TU << type << " result;\n";
-            TU << "std::vector<void*> inputs = {&x, &y};\n";
-            TU << "std::vector<void*> outputs = {&result};\n";
+            TU << "void* inputs[] = {&x, &y};\n";
+            TU << "void* outputs[] = {&result};\n";
             TU << reduction_function->get_name() << "(inputs, outputs);\n";
             TU << "return result;\n";
             TU.indent--;
@@ -1035,8 +1035,8 @@ void Emitter::EmitReduce(const ngraph::Node* n,
             TU.indent++;
             TU << "\n";
             TU << type << " result;\n";
-            TU << "std::vector<void*> inputs = {&x, &y};\n";
-            TU << "std::vector<void*> outputs = {&result};\n";
+            TU << "void* inputs[] = {&x, &y};\n";
+            TU << "void* outputs[] = {&result};\n";
             TU << reduction_function->get_name() << "(inputs, outputs);\n";
             TU << "return result;\n";
             TU.indent--;
@@ -1365,13 +1365,13 @@ void Emitter::generate_call(const std::vector<TensorViewInfo>& inputs,
         output_names.push_back(output.get_tensor().get_name());
     }
 
-    TU << "std::vector<void*> inputs =\n{";
+    TU << "void* inputs[] =\n{";
     TU.indent++;
     TU << "\n" << join(input_names, ",\n");
     TU.indent--;
     TU << "\n};\n";
 
-    TU << "std::vector<void*> outputs =\n{";
+    TU << "void* outputs[] =\n{";
     TU.indent++;
     TU << "\n" << join(output_names, ",\n");
     TU.indent--;

src/ngraph/runtime/cpu/external_function.cpp

@@ -186,7 +186,6 @@ void ExternalFunction::compile()
     TU +=
         R"(// Generated by the NGraph CPU backend
 #include <cmath>
-#include <vector>
 
 #include <Eigen/Dense>
 
@@ -201,17 +200,14 @@ using namespace ngraph::runtime::cpu::eigen;
     TU << "// Declare all functions\n";
     for (shared_ptr<Function> f : pass_manager.get_state().get_functions())
     {
-        TU << "extern \"C\" void " << f->get_name() << "(\n";
-        TU << "    const std::vector<void*>& inputs,\n";
-        TU << "    const std::vector<void*>& outputs);\n";
+        TU << "extern \"C\" void " << f->get_name() << "(void** inputs, void** outputs);\n";
     }
     TU << "\n";
 
     for (shared_ptr<Function> current_function : pass_manager.get_state().get_functions())
     {
-        TU << "extern \"C\" void " << current_function->get_name() << "(\n";
-        TU << "    const std::vector<void*>& inputs,\n";
-        TU << "    const std::vector<void*>& outputs)\n";
+        TU << "extern \"C\" void " << current_function->get_name();
+        TU << "(void** inputs, void** outputs)\n";
         TU << "{\n";
         TU.indent++;