benchmark.c
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/*
* others.c
*
* Created on: 23/04/2016
* Author: pedro
*/
#include "benchmark.h"
#include <stdio.h>
#include "../config.h"
// for elapsed time calculation under windows
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32) && !defined(__CYGWIN__)
#include <time.h>
#include <Winsock2.h>
#include <stdint.h>
int gettimeofday(struct timeval* tp, struct timezone * tzp)
{
static const uint64_t EPOCH = ((uint64_t)116444736000000000ULL);
SYSTEMTIME system_time;
FILETIME file_time;
uint64_t time;
GetSystemTime(&system_time);
SystemTimeToFileTime(&system_time, &file_time);
time = ((uint64_t)file_time.dwLowDateTime);
time += ((uint64_t)file_time.dwHighDateTime) << 32;
tp->tv_sec = (long)((time - EPOCH) / 10000000L);
tp->tv_usec = (long)(system_time.wMilliseconds * 1000);
return 0;
}
#else
#include <sys/time.h>
#endif
/*
* format the elapsed time as "%02lu:%02lu.%03lu" (m:s.ms)
* elapsed_time - string to save the elapsed time
* start_sec - start seconds
* start_usec - start microseconds
* end_sec - end seconds
* end_usec - end microseconds
*/
void format_elapsed_time_m_s_ms(char* elapsed_time, __time_t start_sec, __suseconds_t start_usec, __time_t end_sec, __suseconds_t end_usec) {
cl_ulong min = (cl_ulong)(end_sec - start_sec) / 60;
cl_ulong sec = (cl_ulong)(end_sec - start_sec - (((end_sec - start_sec) / 60) * 60));
cl_ulong milisec;
if (end_usec > start_usec) {
milisec = (cl_ulong)((end_usec - start_usec) / 1000);
} else {
milisec = (cl_ulong)((1000000 - start_usec + end_usec) / 1000);
if (sec > 0) {
sec--;
} else {
if (min > 0) {
min--;
sec = 59;
}
}
}
sprintf(elapsed_time, "%02lu:%02lu.%03lu", min, sec, milisec);
}
/*
* format the elapsed time as "%02lu.%03lu" (s.ms)
* elapsed_time - string to save the elapsed time
* start_sec - start seconds
* start_usec - start microseconds
* end_sec - end seconds
* end_usec - end microseconds
*/
void format_elapsed_time_s_ms(char* elapsed_time, __time_t start_sec, __suseconds_t start_usec, __time_t end_sec, __suseconds_t end_usec) {
cl_ulong sec = (cl_ulong)(end_sec - start_sec);
cl_ulong milisec;
if (end_usec > start_usec) {
milisec = (cl_ulong)((end_usec - start_usec) / 1000);
} else {
milisec = (cl_ulong)((1000000 - start_usec + end_usec) / 1000);
sec--;
}
sprintf(elapsed_time, "%lu.%03lu", sec, milisec);
}
/*
* return the elapsed time in milliseconds
* start_sec - start seconds
* start_usec - start microseconds
* end_sec - end seconds
* end_usec - end microseconds
*/
cl_ulong get_elapsed_ms(__time_t start_sec, __suseconds_t start_usec, __time_t end_sec, __suseconds_t end_usec) {
cl_ulong min = (cl_ulong)((end_sec - start_sec) / 60);
cl_ulong sec = (cl_ulong)(end_sec - start_sec - (((end_sec - start_sec) / 60) * 60));
cl_ulong milisec;
if (end_usec > start_usec) {
milisec = (cl_ulong)((end_usec - start_usec) / 1000);
} else {
milisec = (cl_ulong)((1000000 - start_usec + end_usec) / 1000);
if (sec > 0) {
sec--;
} else {
if (min > 0) {
min--;
sec = 59;
}
}
}
return min * 60 * 1000 + sec * 1000 + milisec;
}
/*
* format the time as "%02lu:%02lu.%03lu" (m:s.ms)
* time - string to save the formated time
* curr_sec - seconds
* curr_usec - microseconds
*/
void format_time_m_s_ms(char* time, __time_t curr_sec, __suseconds_t curr_usec) {
cl_ulong min = (cl_ulong)((curr_sec - init_sec) / 60);
cl_ulong sec = (cl_ulong)(curr_sec - init_sec - (((curr_sec - init_sec) / 60) * 60));
cl_ulong milisec;
if (curr_usec > init_usec) {
milisec = (cl_ulong)((curr_usec - init_usec) / 1000);
} else {
milisec = (cl_ulong)((1000000 - init_usec + curr_usec) / 1000);
if (sec > 0) {
sec--;
} else {
if (min > 0) {
min--;
sec = 59;
}
}
}
sprintf(time, "%02lu:%02lu.%03lu", min, sec, milisec);
}
/*
* format the time as "%02lu.%03lu" (s.ms)
* time - string to save the formated time
* curr_sec - seconds
* curr_usec - microseconds
*/
void format_time_s_ms(char* time, __time_t curr_sec, __suseconds_t curr_usec) {
cl_ulong sec = (cl_ulong)(curr_sec - init_sec);
cl_ulong milisec;
if (curr_usec > init_usec) {
milisec = (cl_ulong)((curr_usec - init_usec) / 1000);
} else if (curr_usec == init_usec) {
milisec = 0;
sec = 0;
} else {
milisec = (cl_ulong)((1000000 - init_usec + curr_usec) / 1000);
sec--;
}
sprintf(time, "%04lu.%03lu", sec, milisec);
}
/*
* format the time as "%02lu.%03lu" (s.ms)
* time - string to save the formated time
* ms - milliseconds
*/
void format_ms_s_ms(char* time, cl_ulong ms) {
cl_ulong init_ms = (cl_ulong)(init_sec * 1000 + init_usec / 1000);
cl_ulong sec = (ms - init_ms) / 1000;
cl_ulong milisec = ms - init_ms - sec * 1000;
sprintf(time, "%04lu.%03lu", sec, milisec);
}
/*
* format nanoseconds as "%02lu:%02lu.%03lu" (m:s.ms)
* time - string to save the formated time
* nanosec - nanoseconds
*/
void format_nanosec_m_s_ms(char* time, cl_ulong nanosec) {
cl_ulong min = nanosec / 1000000000 / 60;
cl_ulong sec = nanosec / 1000000000 - (60 * min);
cl_ulong milisec = (nanosec - (min * 60 * 1000000000 + sec * 1000000000)) / 1000000;
sprintf(time, "%02lu:%02lu.%03lu", min, sec, milisec);
}
/*
* format nanoseconds as "%02lu.%03lu" (s.ms)
* time - string to save the formated time
* nanosec - nanoseconds
*/
void format_nanosec_s_ms(char* time, cl_ulong nanosec) {
cl_ulong sec = nanosec / 1000000000;
cl_ulong milisec = (nanosec - (sec * 1000000000)) / 1000000;
sprintf(time, "%04lu.%03lu", sec, milisec);
}