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SCIP Doxygen Documentation: src/tpi/tpi_openmp.c Source File

44#define SCIPompInitLock(lock) (omp_init_lock(lock), SCIP_OKAY) 45#define SCIPompDestroyLock(lock) (omp_destroy_lock(lock)) 46#define SCIPompAcquireLock(lock) (omp_set_lock(lock), SCIP_OKAY) 47#define SCIPompReleaseLock(lock) (omp_unset_lock(lock), SCIP_OKAY) 50#define SCIPompInitCondition(condition) ( omp_init_lock(&(condition)->_lock), \ 51 (condition)->_waiters = 0, (condition)->_waitnum = 0, (condition)->_signals = 0, SCIP_OKAY ) 52#define SCIPompDestroyCondition(condition) do { assert((condition)->_waiters == 0); assert((condition)->_waitnum == 0); assert((condition)->_signals == 0); omp_destroy_lock(&(condition)->_lock); } while(0) 148

assert(_jobqueues !=

NULL

);

208

waitnum = ++condition->_waitnum;

210

++condition->_waiters;

217 #pragma omp taskyield 220 while

( condition->_signals < waitnum );

222

--condition->_waiters;

224 if

( condition->_waiters == 0 )

226

condition->_signals = 0;

227

condition->_waitnum = 0;

247

waitnum = ++condition->_waitnum;

249

++condition->_waiters;

256 #pragma omp taskyield 259 while

( condition->_signals < waitnum );

261

--condition->_waiters;

263 if

( condition->_waiters == 0 )

265

condition->_signals = 0;

266

condition->_waitnum = 0;

336

assert(newjob !=

NULL

);

373 #pragma omp task firstprivate(newjob) 386

assert( condition !=

NULL

);

390 if

( condition->_waitnum > condition->_signals )

391

++condition->_signals;

404

assert( condition !=

NULL

);

407

condition->_signals = condition->_waitnum;

419 return

omp_get_num_threads();

426 return

omp_get_thread_num();

439

(*job)->jobid = jobid;

440

(*job)->jobfunc = jobfunc;

441

(*job)->args = jobarg;

442

(*job)->nextjob =

NULL

;

452 static int

currentjobid = 0;

455 #pragma omp atomic capture 456

jobid = ++currentjobid;

467

assert(_jobqueues !=

NULL

);

486 for

( i = 0; i < _jobqueues->

nthreads

; ++i )

510 if

( currjob->

jobid

== jobid )

549 if

( currjob->

jobid

== jobid )

561 if

( prevjob !=

NULL

)

603

assert(_jobqueues ==

NULL

);

615

assert(_jobqueues !=

NULL

);

638

omp_init_lock(&(*lock)->lock);

649

omp_destroy_lock(&(*lock)->lock);

658

omp_set_lock(&

lock

->lock);

667

omp_unset_lock(&

lock

->lock);

681

assert(condition !=

NULL

);

685

omp_init_lock(&(*condition)->_lock);

686

(*condition)->_waiters = 0;

687

(*condition)->_waitnum = 0;

688

(*condition)->_signals = 0;

698

assert((*condition)->_waiters == 0);

699

assert((*condition)->_waitnum == 0);

700

assert((*condition)->_signals == 0);

702

omp_destroy_lock(&(*condition)->_lock);

719

assert(name !=

NULL

);

721

(void)

SCIPsnprintf

(name, namesize,

"OpenMP %d"

, _OPENMP);

730

assert(desc !=

NULL

);

732

(void)

SCIPsnprintf

(desc, descsize,

"shared-memory multiprocessing library (openmp.org)"

);

#define SCIP_CALL_ABORT(x)

int SCIPsnprintf(char *t, int len, const char *s,...)

memory allocation routines

#define BMSfreeMemory(ptr)

#define BMSallocMemoryArray(ptr, num)

#define BMSfreeMemoryArray(ptr)

#define BMSallocMemory(ptr)

public methods for message output

public data structures and miscellaneous methods

SCIP_JOBQUEUE finishedjobs

SCIP_CONDITION jobfinished

struct SCIP_Job * nextjob

SCIP_RETCODE(* jobfunc)(void *args)

the type definitions for the SCIP parallel interface

#define SCIPompInitLock(lock)

SCIP_Bool SCIPtpiIsAvailable(void)

#define SCIPompAcquireLock(lock)

SCIP_RETCODE SCIPtpiWaitCondition(SCIP_CONDITION *condition, SCIP_LOCK *lock)

SCIP_RETCODE SCIPtpiCreateJob(SCIP_JOB **job, int jobid, SCIP_RETCODE(*jobfunc)(void *args), void *jobarg)

SCIP_RETCODE SCIPtpiSignalCondition(SCIP_CONDITION *condition)

static SCIP_RETCODE jobQueueAddJob(SCIP_JOB *newjob)

SCIP_RETCODE SCIPtpiAcquireLock(SCIP_LOCK *lock)

#define SCIPompReleaseLock(lock)

#define SCIPompDestroyLock(lock)

int SCIPtpiGetNumThreads()

SCIP_RETCODE SCIPtpiExit(void)

static void executeJob(SCIP_JOB *job)

SCIP_RETCODE SCIPtpiBroadcastCondition(SCIP_CONDITION *condition)

static SCIP_RETCODE freeJobQueue(void)

static void jobQueueProcessJob(void)

SCIP_RETCODE SCIPtpiSubmitJob(SCIP_JOB *job, SCIP_SUBMITSTATUS *status)

void SCIPtpiDestroyLock(SCIP_LOCK **lock)

void SCIPtpiGetLibraryDesc(char *desc, int descsize)

SCIP_RETCODE SCIPtpiCollectJobs(int jobid)

static SCIP_RETCODE SCIPompWaitCondition(SCIP_CONDITION *condition, omp_lock_t *lock)

static SCIP_RETCODE createJobQueue(int nthreads, int qsize, SCIP_Bool blockwhenfull)

static SCIP_Bool isJobRunning(int jobid)

static SCIP_Bool isJobWaiting(int jobid)

void SCIPtpiDestroyCondition(SCIP_CONDITION **condition)

#define SCIPompDestroyCondition(condition)

int SCIPtpiGetNewJobID(void)

void SCIPtpiGetLibraryName(char *name, int namesize)

SCIP_RETCODE SCIPtpiInitLock(SCIP_LOCK **lock)

int SCIPtpiGetThreadNum()

SCIP_RETCODE SCIPtpiReleaseLock(SCIP_LOCK *lock)

SCIP_RETCODE SCIPtpiInitCondition(SCIP_CONDITION **condition)

SCIP_RETCODE SCIPtpiInit(int nthreads, int queuesize, SCIP_Bool blockwhenfull)

#define SCIPompInitCondition(condition)

enum SCIP_Retcode SCIP_RETCODE

enum SCIP_Submitstatus SCIP_SUBMITSTATUS

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