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SCIP Doxygen Documentation: clock.c Source File

34#if defined(_WIN32) || defined(_WIN64) 57

clock_t clocks_per_second;

59#if defined(_WIN32) || defined(_WIN64) 60

clocks_per_second = 100;

63

clocks_per_second = sysconf(_SC_CLK_TCK);

65

clocks_per_second = CLK_TCK;

92

clock_t clocks_per_second;

94

assert(cputime !=

NULL

);

96#if defined(_WIN32) || defined(_WIN64) 97

clocks_per_second = 100;

100

clocks_per_second = sysconf(_SC_CLK_TCK);

102

clocks_per_second = CLK_TCK;

105

*cputime = (clock_t)(sec * clocks_per_second);

116

assert(wallsec !=

NULL

);

117

assert(wallusec !=

NULL

);

119

*wallsec = (long)sec;

120

*wallusec = (long)((sec - *wallsec) * 1000000.0);

131

assert(clck !=

NULL

);

138

assert(clck->

nruns

== 0);

162

assert(clck !=

NULL

);

175

assert(clck !=

NULL

);

189

assert(clck !=

NULL

);

200

assert(clck !=

NULL

);

202 SCIPdebugMessage

(

"initializing clock %p of type %d\n"

, (

void

*)clck, clocktype);

213

assert(clck !=

NULL

);

239

assert(clck !=

NULL

);

251

assert(clck !=

NULL

);

265

assert(clck !=

NULL

);

279

assert(clck !=

NULL

);

281 SCIPdebugMessage

(

"setting type of clock %p (type %d, usedefault=%u) to %d\n"

295

assert(clck !=

NULL

);

302 if

( clck->

nruns

== 0 )

304#if defined(_WIN32) || defined(_WIN64) 305

FILETIME creationtime;

316 switch

( clck->clocktype )

319#if defined(_WIN32) || defined(_WIN64) 320

GetProcessTimes(GetCurrentProcess(), &creationtime, &exittime, &kerneltime, &usertime);

321

clck->data.cpuclock.user -= usertime.dwHighDateTime * 42950 + usertime.dwLowDateTime / 100000L;

324

clck->data.cpuclock.user -= now.tms_utime;

326

clck->lasttime =

cputime2sec

(clck->data.cpuclock.user);

330#if defined(_WIN32) || defined(_WIN64) 331

clck->data.wallclock.sec -= time(

NULL

);

333

gettimeofday(&tp,

NULL

);

334 if

( tp.tv_usec > clck->data.wallclock.usec )

336

clck->data.wallclock.sec -= (tp.tv_sec + 1);

337

clck->data.wallclock.usec += (1000000 - tp.tv_usec);

341

clck->data.wallclock.sec -= tp.tv_sec;

342

clck->data.wallclock.usec -= tp.tv_usec;

345

clck->lasttime =

walltime2sec

(clck->data.wallclock.sec, clck->data.wallclock.usec);

365

assert(clck !=

NULL

);

370

assert(clck->

nruns

>= 1);

373 if

( clck->

nruns

== 0 )

375#if defined(_WIN32) || defined(_WIN64) 376

FILETIME creationtime;

387 switch

( clck->clocktype )

390#if defined(_WIN32) || defined(_WIN64) 391

GetProcessTimes(GetCurrentProcess(), &creationtime, &exittime, &kerneltime, &usertime);

392

clck->data.cpuclock.user += usertime.dwHighDateTime * 42950 + usertime.dwLowDateTime / 100000L;

395

clck->data.cpuclock.user += now.tms_utime;

400#if defined(_WIN32) || defined(_WIN64) 401

clck->data.wallclock.sec += time(

NULL

);

403

gettimeofday(&tp,

NULL

);

404 if

( tp.tv_usec + clck->data.wallclock.usec > 1000000 )

406

clck->data.wallclock.sec += (tp.tv_sec + 1);

407

clck->data.wallclock.usec -= (1000000 - tp.tv_usec);

411

clck->data.wallclock.sec += tp.tv_sec;

412

clck->data.wallclock.usec += tp.tv_usec;

431

assert(clck !=

NULL

);

433 return

(clck->

nruns

> 0);

443

assert(clck !=

NULL

);

446 SCIPdebugMessage

(

"getting time of clock %p (type %d, usedefault=%u, nruns=%d)\n"

453 else if

( clck->

nruns

== 0 )

474#if defined(_WIN32) || defined(_WIN64) 475

FILETIME creationtime;

488#if defined(_WIN32) || defined(_WIN64) 489

GetProcessTimes(GetCurrentProcess(), &creationtime, &exittime, &kerneltime, &usertime);

497#if defined(_WIN32) || defined(_WIN64) 500

gettimeofday(&tp,

NULL

);

520

assert(!

EPSN

(result, 1e-12));

533

assert(clck !=

NULL

);

544

assert(clck !=

NULL

);

546 SCIPdebugMessage

(

"setting time of clock %p (type %d, usedefault=%u, nruns=%d) to %g\n"

569 if

( clck->

nruns

>= 1 )

571#if defined(_WIN32) || defined(_WIN64) 572

FILETIME creationtime;

585#if defined(_WIN32) || defined(_WIN64) 586

GetProcessTimes(GetCurrentProcess(), &creationtime, &exittime, &kerneltime, &usertime);

587

clck->

data

cpuclock

user

-= usertime.dwHighDateTime * 42950 + usertime.dwLowDateTime / 100000L;

595#if defined(_WIN32) || defined(_WIN64) 598

gettimeofday(&tp,

NULL

);

625#if defined(_WIN32) || defined(_WIN64) 632

gettimeofday(&tp,

NULL

);

void SCIPclockEnable(SCIP_CLOCK *clck)

void SCIPclockSetTime(SCIP_CLOCK *clck, SCIP_Real sec)

SCIP_Real SCIPclockGetTimeOfDay(void)

void SCIPclockDisable(SCIP_CLOCK *clck)

static void sec2walltime(SCIP_Real sec, long *wallsec, long *wallusec)

static void clockUpdateDefaultType(SCIP_CLOCK *clck, SCIP_CLOCKTYPE defaultclocktype)

void SCIPclockSetType(SCIP_CLOCK *clck, SCIP_CLOCKTYPE clocktype)

void SCIPclockStop(SCIP_CLOCK *clck, SCIP_SET *set)

SCIP_Bool SCIPclockIsRunning(SCIP_CLOCK *clck)

static SCIP_Real walltime2sec(long sec, long usec)

void SCIPclockEnableOrDisable(SCIP_CLOCK *clck, SCIP_Bool enable)

void SCIPclockStart(SCIP_CLOCK *clck, SCIP_SET *set)

SCIP_Real SCIPclockGetLastTime(SCIP_CLOCK *clck)

SCIP_Real SCIPclockGetTime(SCIP_CLOCK *clck)

static void clockSetType(SCIP_CLOCK *clck, SCIP_CLOCKTYPE newtype)

void SCIPclockReset(SCIP_CLOCK *clck)

void SCIPclockInit(SCIP_CLOCK *clck, SCIP_CLOCKTYPE clocktype)

void SCIPclockFree(SCIP_CLOCK **clck)

static SCIP_Real cputime2sec(clock_t cputime)

SCIP_RETCODE SCIPclockCreate(SCIP_CLOCK **clck, SCIP_CLOCKTYPE clocktype)

static void sec2cputime(SCIP_Real sec, clock_t *cputime)

internal methods for clocks and timing issues

common defines and data types used in all packages of SCIP

memory allocation routines

#define BMSfreeMemory(ptr)

#define BMSallocMemory(ptr)

public methods for message output

internal methods for global SCIP settings

union SCIP_Clock::@15 data

datastructures for clocks and timing issues

enum SCIP_ClockType SCIP_CLOCKTYPE

enum SCIP_Retcode SCIP_RETCODE

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