[Benchmark] Benchmark cpp for YOLOv5 (#1260)

* add GPL lisence

* add GPL-3.0 lisence

* add GPL-3.0 lisence

* add GPL-3.0 lisence

* support yolov8

* add pybind for yolov8

* add yolov8 readme

* add cpp benchmark

* add cpu and gpu mem

* public part split

* add runtime mode

* fixed bugs

* add cpu_thread_nums

* deal with comments

* deal with comments

* deal with comments

* rm useless code

* add FASTDEPLOY_DECL

* add FASTDEPLOY_DECL

* fixed for windows

* mv rss to pss

* mv rss to pss

* Update utils.cc

---------

Co-authored-by: DefTruth <31974251+DefTruth@users.noreply.github.com>

fastdeploy/benchmark/utils.h

@@ -0,0 +1,35 @@
+// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#pragma once
+
+#include "fastdeploy/utils/utils.h"
+
+namespace fastdeploy {
+namespace benchmark {
+
+// Record current cpu memory usage into file
+FASTDEPLOY_DECL void DumpCurrentCpuMemoryUsage(const std::string& name);
+
+// Record current gpu memory usage into file
+FASTDEPLOY_DECL void DumpCurrentGpuMemoryUsage(const std::string& name,
+                                               int device_id);
+
+// Get Max cpu memory usage
+FASTDEPLOY_DECL float GetCpuMemoryUsage(const std::string& name);
+
+// Get Max gpu memory usage
+FASTDEPLOY_DECL float GetGpuMemoryUsage(const std::string& name);
+
+}  // namespace benchmark
+}  // namespace fastdeploy