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Copy pathmisc.c
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162 lines (137 loc) · 4.29 KB
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#include <stdlib.h>
#include "mmpriv.h"
int mm_verbose = 1;
int mm_dbg_flag = 0;
double mm_realtime0;
#if defined(WIN32) || defined(_WIN32)
#include <windows.h>
struct timezone
{
__int32 tz_minuteswest; /* minutes W of Greenwich */
int tz_dsttime; /* type of dst correction */
};
/*
* gettimeofday.c
* Win32 gettimeofday() replacement
* taken from PostgreSQL, according to
* https://stackoverflow.com/questions/1676036/what-should-i-use-to-replace-gettimeofday-on-windows
*
* src/port/gettimeofday.c
*
* Copyright (c) 2003 SRA, Inc.
* Copyright (c) 2003 SKC, Inc.
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose, without fee, and without a
* written agreement is hereby granted, provided that the above
* copyright notice and this paragraph and the following two
* paragraphs appear in all copies.
*
* IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT,
* INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
* LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
* DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS
* IS" BASIS, AND THE AUTHOR HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE,
* SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*/
/* FILETIME of Jan 1 1970 00:00:00. */
static const unsigned __int64 epoch = ((unsigned __int64) 116444736000000000ULL);
/*
* timezone information is stored outside the kernel so tzp isn't used anymore.
*
* Note: this function is not for Win32 high precision timing purpose. See
* elapsed_time().
*/
int gettimeofday(struct timeval * tp, struct timezone *tzp)
{
FILETIME file_time;
SYSTEMTIME system_time;
ULARGE_INTEGER ularge;
GetSystemTime(&system_time);
SystemTimeToFileTime(&system_time, &file_time);
ularge.LowPart = file_time.dwLowDateTime;
ularge.HighPart = file_time.dwHighDateTime;
tp->tv_sec = (long) ((ularge.QuadPart - epoch) / 10000000L);
tp->tv_usec = (long) (system_time.wMilliseconds * 1000);
return 0;
}
// taken from https://stackoverflow.com/questions/5272470/c-get-cpu-usage-on-linux-and-windows
double cputime()
{
HANDLE hProcess = GetCurrentProcess();
FILETIME ftCreation, ftExit, ftKernel, ftUser;
SYSTEMTIME stKernel;
SYSTEMTIME stUser;
GetProcessTimes(hProcess, &ftCreation, &ftExit, &ftKernel, &ftUser);
FileTimeToSystemTime(&ftKernel, &stKernel);
FileTimeToSystemTime(&ftUser, &stUser);
double kernelModeTime = ((stKernel.wHour * 60.) + stKernel.wMinute * 60.) + stKernel.wSecond * 1. + stKernel.wMilliseconds / 1000.;
double userModeTime = ((stUser.wHour * 60.) + stUser.wMinute * 60.) + stUser.wSecond * 1. + stUser.wMilliseconds / 1000.;
return kernelModeTime + userModeTime;
}
long peakrss(void) { return 0; }
#else
#include <sys/resource.h>
#include <sys/time.h>
double cputime(void)
{
struct rusage r;
getrusage(RUSAGE_SELF, &r);
return r.ru_utime.tv_sec + r.ru_stime.tv_sec + 1e-6 * (r.ru_utime.tv_usec + r.ru_stime.tv_usec);
}
long peakrss(void)
{
struct rusage r;
getrusage(RUSAGE_SELF, &r);
#ifdef __linux__
return r.ru_maxrss * 1024;
#else
return r.ru_maxrss;
#endif
}
#endif /* WIN32 || _WIN32 */
double realtime(void)
{
struct timeval tp;
gettimeofday(&tp, NULL);
return tp.tv_sec + tp.tv_usec * 1e-6;
}
void mm_err_puts(const char *str)
{
int ret;
ret = puts(str);
if (ret == EOF) {
perror("[ERROR] failed to write the results");
exit(EXIT_FAILURE);
}
}
void mm_err_fwrite(const void *p, size_t size, size_t nitems, FILE *fp)
{
int ret;
ret = fwrite(p, size, nitems, fp);
if (ret == EOF) {
perror("[ERROR] failed to write data");
exit(EXIT_FAILURE);
}
}
void mm_err_fread(void *p, size_t size, size_t nitems, FILE *fp)
{
int ret;
ret = fread(p, size, nitems, fp);
if (ret == EOF) {
perror("[ERROR] failed to read data");
exit(EXIT_FAILURE);
}
}
#include "ksort.h"
#define sort_key_128x(a) ((a).x)
KRADIX_SORT_INIT(128x, mm128_t, sort_key_128x, 8)
#define sort_key_64(x) (x)
KRADIX_SORT_INIT(64, uint64_t, sort_key_64, 8)
KSORT_INIT_GENERIC(uint32_t)
KSORT_INIT_GENERIC(uint64_t)