cuda profile

source/timer.cpp

+#include "timer.h"
+#include <string.h>
+#include <stdio.h>
+#include <time.h>
+#ifdef USE_CUDA
+#include <cuda_runtime.h>
+#endif
+
+timer_c::timer_c() {
+}
+
+timer_c::~timer_c() {
+}
+
+void timer_c::m_start_timer() {
+
+#ifdef  WIN32
+	m_start_time = GetTickCount();
+#else
+	gettimeofday( &this->m_start_time, NULL );
+#endif
+
+}
+
+void timer_c::m_end_timer() {
+#ifdef USE_CUDA
+	cudaThreadSynchronize();
+#endif
+
+#ifdef  WIN32
+	m_end_time = GetTickCount();
+#else
+	gettimeofday( &this->m_end_time, NULL );
+#endif
+
+}
+
+double timer_c::m_get_time_diff_sec() {
+
+	double time_diff_sec = this->m_get_time_diff() / 1000;
+	return time_diff_sec;
+
+}
+
+double timer_c::m_get_time_diff_msec() {
+
+	double time_diff_msec = this->m_get_time_diff() ;
+	return time_diff_msec;
+
+}
+
+// return ms
+double timer_c::m_get_time_diff() {
+
+	double time_diff = 0.0;
+#ifdef  WIN32
+	time_diff = m_end_time - m_start_time;
+#else
+	time_diff = ( this->m_end_time.tv_sec - this->m_start_time.tv_sec ) * 1000 + ((double)( this->m_end_time.tv_usec - this->m_start_time.tv_usec ))/1000;
+#endif
+	return time_diff;
+
+}
+
+void timer_c::m_current_time_to_str(std::string & output)
+{
+	const time_t t = time(NULL);
+	struct  tm * current_time = localtime(&t);
+	char temp_time[100];
+	memset(temp_time,0,sizeof(char)* 100);
+	sprintf(temp_time,"[%04d-%02d-%02d %02d:%02d:%02d]",current_time->tm_year+1900,current_time->tm_mon+1,current_time->tm_mday,current_time->tm_hour,current_time->tm_min,current_time->tm_sec);
+	output = temp_time;
+	return;
+}
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source/timer.h

+/****************************************************************************
+* Project Name : NiuTrans Server Decoder
+* File Name    : timer.h
+* Author       : Wang Qiang
+* Email        : wangqiang@zjyatuo.com
+* Create Time  : 2016/1/15 10:53:46
+* Copyright    : Copyright (c) 2016 Shenyang YaTrans Network Technology Co., Ltd. All Rights Reserved.
+*
+* toolkit used for timer
+*
+****************************************************************************/
+
+#ifndef _TIMER_H_
+#define _TIMER_H_
+
+#include <string>
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include       <sys/time.h>
+#include       <time.h>
+
+#endif
+
+
+
+class timer_c {
+
+public:
+	timer_c();
+	~timer_c();
+	void m_start_timer();
+	void m_end_timer();
+	double m_get_time_diff_sec();
+	double m_get_time_diff_msec();
+
+public:
+	static void m_current_time_to_str(std::string & output);
+
+private:
+	double m_get_time_diff();                                          /* get the time difference in unit of usec(1.0e-6 sec) */
+
+private:
+#ifdef  WIN32
+	 DWORD  m_start_time;
+	 DWORD  m_end_time;
+#else
+	struct timeval             m_start_time;
+	struct timeval             m_end_time;
+#endif
+
+};
+
+
+
+#endif
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