feat: 导出分配内存和运行推理的接口

Signed-off-by: YdrMaster <ydrml@hotmail.com>

include/core/graph_handler.h

@@ -76,6 +76,12 @@ class GraphHandlerObj {
                  const optional<vector<int>> &steps);
     Tensor pad(Tensor input, Tensor output, const vector<int> &pads,
                const optional<vector<int>> &axes);
+
+    //------ runtime
+
+    inline void data_malloc() { g->dataMalloc(); }
+
+    inline void run() { g->getRuntime()->run(g); }
 };
 
 } // namespace infini

src/ffi/ffi_infinitensor.cc

@@ -102,7 +102,9 @@ void init_graph_builder(py::module &m) {
         .def("pad",
              py::overload_cast<Tensor, Tensor, const vector<int> &,
                                const optional<vector<int>> &>(&Handler::pad),
-             policy::move);
+             policy::move)
+        .def("data_malloc", &Handler::data_malloc, policy::automatic)
+        .def("run", &Handler::run, policy::automatic);
 }
 
 } // namespace infini