Revision of 计算任务耗时

1 file changed, 15 insertions, 1 deletion

stop_watch.h

			@@ -56,4 +56,18 @@ class StopWatch {
56	56		Clock::time_point start_time_;
57	57		bool is_running_;
58	58		};
59		-	#endif // QTCONTROL_SRC_UTILS_STOPWATCH_H_
	59	+	#endif // QTCONTROL_SRC_UTILS_STOPWATCH_H_
	60	+
	61	+	// main.cpp使用
	62	+	auto& stop_watch = StopWatch::GetInstance();
	63	+	/* 需要测试的代码段开始 */
	64	+	stop_watch.Start();
	65	+	float qd[2];
	66	+	float torque[2];
	67	+	float current[8];
	68	+	const int test_times = 30000;
	69	+	for (int i = 0; i < test_times; ++i) {
	70	+	MotorCurrentInverse(qd, torque, current);
	71	+	}
	72	+	/* 需要测试的代码段结束 */
	73	+	qDebug() << "MotorCurrentInverse avg_run time" << stop_watch.ElapsedTimeUs() / test_times << "us";

1 file changed, 59 insertions

stop_watch.h(檔案已創建)

		@@ -0,0 +1,59 @@
1	+
2	+	#ifndef QTCONTROL_SRC_UTILS_STOPWATCH_H_
3	+	#define QTCONTROL_SRC_UTILS_STOPWATCH_H_
4	+	#include "chrono"
5	+
6	+	class StopWatch {
7	+	public:
8	+	static StopWatch& GetInstance() {
9	+	static StopWatch instance;
10	+	return instance;
11	+	}
12	+	using Clock = std::chrono::high_resolution_clock;
13	+	/**
14	+	* @brief 开始计时, 所有时间从开始
15	+	*/
16	+	void Start() {
17	+	if (!is_running_) {
18	+	start_time_ = Clock::now();
19	+	is_running_ = true;
20	+	}
21	+	}
22	+	/**
23	+	* @brief 暂时记时
24	+	*/
25	+	void Stop() {
26	+	if (is_running_) {
27	+	auto end_time = Clock::now();
28	+	elapsed_time_ +=
29	+	std::chrono::duration<double>(end_time - start_time_).count();
30	+	is_running_ = false;
31	+	}
32	+	}
33	+
34	+	double ElapsedTimeS() const {
35	+	if (is_running_) {
36	+	auto current_time = Clock::now();
37	+	return elapsed_time_ +
38	+	std::chrono::duration<double>(current_time - start_time_).count();
39	+	}
40	+	return elapsed_time_;
41	+	}
42	+
43	+	double ElapsedTimeMs() const { return ElapsedTimeS() * 1000.0; }
44	+	double ElapsedTimeUs() const { return ElapsedTimeS() * 1e6; }
45	+	void Reset() {
46	+	elapsed_time_ = 0.0;
47	+	is_running_ = false;
48	+	}
49	+
50	+	StopWatch(const StopWatch&) = delete;
51	+	StopWatch& operator=(const StopWatch&) = delete;
52	+
53	+	private:
54	+	StopWatch() = default;
55	+	double elapsed_time_; /* 累积的时间，单位为秒 */
56	+	Clock::time_point start_time_;
57	+	bool is_running_;
58	+	};
59	+	#endif // QTCONTROL_SRC_UTILS_STOPWATCH_H_