add python interface for quantize int8.

src/py/migraphx_py.cpp

@@ -153,6 +153,7 @@ PYBIND11_MODULE(migraphx, m)
     py::class_<migraphx::target>(m, "target");
 
     py::class_<migraphx::program>(m, "program")
+        .def("clone", [](migraphx::program& p) { return *(new migraphx::program(p)); })
         .def("get_parameter_shapes", &migraphx::program::get_parameter_shapes)
         .def("get_shape", &migraphx::program::get_shape)
         .def("compile", [](migraphx::program& p, const migraphx::target& t) { p.compile(t); })
@@ -192,6 +193,7 @@ PYBIND11_MODULE(migraphx, m)
              std::vector<std::pair<float, float>>& quant_params) {
               migraphx::quantize_int8(p, ins_names, quant_params);
           });
+    m.def("quantize_int8", [](migraphx::program& p) { migraphx::quantize_int8(p); });
 
 #ifdef HAVE_GPU
     m.def("allocate_gpu", &migraphx::gpu::allocate_gpu, py::arg("s"), py::arg("host") = false);