File: misc.c

package info (click to toggle)
minimap2 2.15%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 1,056 kB
  • sloc: ansic: 8,593; makefile: 117; python: 90; perl: 29; sh: 22
file content (161 lines) | stat: -rw-r--r-- 4,397 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
#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) {
		fprintf(stderr, "[ERROR] failed to write the results\n");
		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) {
		fprintf(stderr, "[ERROR] failed to write data\n");
		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) {
		fprintf(stderr, "[ERROR] failed to read data\n");
		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)