Detailed Description

the function declarations for the synchronization store

Author: Robert Lion Gottwald; Stephen J. Maher

Definition in file syncstore.h.

#include "scip/def.h"
#include "scip/type_syncstore.h"
#include "scip/type_scip.h"
#include "scip/type_retcode.h"

Go to the source code of this file.

Functions
SCIP_EXPORT SCIP_RETCODE	SCIPsyncstoreCreate (SCIP_SYNCSTORE **syncstore)

SCIP_EXPORT SCIP_RETCODE	SCIPsyncstoreRelease (SCIP_SYNCSTORE **syncstore)

SCIP_EXPORT SCIP_RETCODE	SCIPsyncstoreCapture (SCIP_SYNCSTORE *syncstore)

SCIP_EXPORT SCIP_RETCODE	SCIPsyncstoreInit (SCIP *scip)

SCIP_EXPORT SCIP_RETCODE	SCIPsyncstoreExit (SCIP_SYNCSTORE *syncstore)

SCIP_EXPORT SCIP_Bool	SCIPsyncstoreSolveIsStopped (SCIP_SYNCSTORE *syncstore)

SCIP_EXPORT void	SCIPsyncstoreSetSolveIsStopped (SCIP_SYNCSTORE *syncstore, SCIP_Bool stopped)

SCIP_EXPORT SCIP_Real	SCIPsyncstoreGetLastUpperbound (SCIP_SYNCSTORE *syncstore)

SCIP_EXPORT SCIP_Real	SCIPsyncstoreGetLastLowerbound (SCIP_SYNCSTORE *syncstore)

SCIP_EXPORT int	SCIPsyncstoreGetLastNSols (SCIP_SYNCSTORE *syncstore)

SCIP_EXPORT int	SCIPsyncstoreGetLastNBounds (SCIP_SYNCSTORE *syncstore)

SCIP_EXPORT SCIP_Longint	SCIPsyncstoreGetLastMemTotal (SCIP_SYNCSTORE *syncstore)

SCIP_EXPORT SCIP_Real	SCIPsyncstoreGetLastSyncfreq (SCIP_SYNCSTORE *syncstore)

SCIP_EXPORT SCIP_SYNCDATA *	SCIPsyncstoreGetSyncdata (SCIP_SYNCSTORE *syncstore, SCIP_Longint syncnum)

SCIP_EXPORT SCIP_SYNCDATA *	SCIPsyncstoreGetNextSyncdata (SCIP_SYNCSTORE syncstore, SCIP_SYNCDATA syncdata, SCIP_Real syncfreq, SCIP_Longint writenum, SCIP_Real *delay)

SCIP_EXPORT SCIP_RETCODE	SCIPsyncstoreEnsureAllSynced (SCIP_SYNCSTORE syncstore, SCIP_SYNCDATA syncdata)

SCIP_EXPORT SCIP_RETCODE	SCIPsyncstoreStartSync (SCIP_SYNCSTORE syncstore, SCIP_Longint syncnum, SCIP_SYNCDATA *syncdata)

SCIP_EXPORT SCIP_RETCODE	SCIPsyncstoreFinishSync (SCIP_SYNCSTORE syncstore, SCIP_SYNCDATA *syncdata)

SCIP_EXPORT SCIP_STATUS	SCIPsyncdataGetStatus (SCIP_SYNCDATA *syncdata)

SCIP_EXPORT int	SCIPsyncstoreGetWinner (SCIP_SYNCSTORE *syncstore)

SCIP_EXPORT int	SCIPsyncdataGetNSynced (SCIP_SYNCDATA *syncdata)

SCIP_EXPORT int	SCIPsyncstoreGetNSolvers (SCIP_SYNCSTORE *syncstore)

SCIP_EXPORT SCIP_Longint	SCIPsyncdataGetMemTotal (SCIP_SYNCDATA *syncdata)

SCIP_EXPORT SCIP_Real	SCIPsyncdataGetSyncFreq (SCIP_SYNCDATA *syncdata)

SCIP_EXPORT SCIP_Real	SCIPsyncdataGetUpperbound (SCIP_SYNCDATA *syncdata)

SCIP_EXPORT SCIP_Real	SCIPsyncdataGetLowerbound (SCIP_SYNCDATA *syncdata)

SCIP_EXPORT void	SCIPsyncdataGetSolutions (SCIP_SYNCDATA syncdata, SCIP_Real solvalues, int solowner, int *nsols)

SCIP_EXPORT SCIP_BOUNDSTORE *	SCIPsyncdataGetBoundChgs (SCIP_SYNCDATA *syncdata)

SCIP_EXPORT void	SCIPsyncdataSetSyncFreq (SCIP_SYNCSTORE syncstore, SCIP_SYNCDATA syncdata, SCIP_Real syncfreq)

SCIP_EXPORT void	SCIPsyncdataSetStatus (SCIP_SYNCDATA *syncdata, SCIP_STATUS status, int solverid)

SCIP_EXPORT void	SCIPsyncdataAddMemTotal (SCIP_SYNCDATA *syncdata, SCIP_Longint memtotal)

SCIP_EXPORT void	SCIPsyncdataSetUpperbound (SCIP_SYNCDATA *syncdata, SCIP_Real upperbound)

SCIP_EXPORT void	SCIPsyncdataSetLowerbound (SCIP_SYNCDATA *syncdata, SCIP_Real lowerbound)

SCIP_EXPORT void	SCIPsyncdataGetSolutionBuffer (SCIP_SYNCSTORE syncstore, SCIP_SYNCDATA syncdata, SCIP_Real solobj, int ownerid, SCIP_Real **buffer)

SCIP_EXPORT SCIP_RETCODE	SCIPsyncdataAddBoundChanges (SCIP_SYNCSTORE syncstore, SCIP_SYNCDATA syncdata, SCIP_BOUNDSTORE *boundstore)

SCIP_EXPORT SCIP_Bool	SCIPsyncstoreIsInitialized (SCIP_SYNCSTORE *syncstore)

SCIP_EXPORT SCIP_PARALLELMODE	SCIPsyncstoreGetMode (SCIP_SYNCSTORE *syncstore)

Function Documentation

◆ SCIPsyncstoreCreate()

SCIP_EXPORT SCIP_RETCODE SCIPsyncstoreCreate ( SCIP_SYNCSTORE ** syncstore )

creates and captures a new synchronization store

Parameters

syncstore pointer to return the created synchronization store

Definition at line 57 of file syncstore.c.

References BMSallocMemory, FALSE, NULL, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIP_PARA_DETERMINISTIC, SCIPdebugMessage, and SCIPtpiInitLock().

Referenced by doScipCreate(), and SCIPconstructSyncstore().

◆ SCIPsyncstoreRelease()

SCIP_EXPORT SCIP_RETCODE SCIPsyncstoreRelease ( SCIP_SYNCSTORE ** syncstore )

releases a synchronization store

Parameters

syncstore pointer to the synchronization store

Definition at line 78 of file syncstore.c.

References BMSfreeMemory, NULL, SCIP_CALL, SCIP_OKAY, SCIPsyncstoreExit(), SCIPtpiAcquireLock(), SCIPtpiDestroyLock(), and SCIPtpiReleaseLock().

Referenced by doCopy(), SCIPcopyOrigConsCompression(), SCIPfree(), and SCIPfreeSyncstore().

◆ SCIPsyncstoreCapture()

SCIP_EXPORT SCIP_RETCODE SCIPsyncstoreCapture ( SCIP_SYNCSTORE * syncstore )

captures a synchronization store

Parameters

syncstore the synchronization store

Definition at line 113 of file syncstore.c.

References SCIP_SyncStore::lock, SCIP_SyncStore::nuses, SCIP_CALL, SCIP_OKAY, SCIPtpiAcquireLock(), and SCIPtpiReleaseLock().

Referenced by doCopy(), and SCIPcopyOrigConsCompression().

◆ SCIPsyncstoreInit()

SCIP_EXPORT SCIP_RETCODE SCIPsyncstoreInit ( SCIP * scip )

initialize the syncstore for the given SCIP instance

Parameters

scip	SCIP main datastructure

Definition at line 127 of file syncstore.c.

References FALSE, getNSyncdata(), SCIP_SyncStore::initialized, SCIP_SyncStore::lastsync, SCIP_SyncStore::mainscip, SCIP_SyncStore::maxnsols, SCIP_SyncStore::maxnsyncdelay, SCIP_SyncStore::minsyncdelay, SCIP_SyncStore::mode, SCIP_SyncStore::ninitvars, SCIP_SyncStore::nsolvers, SCIP_SyncStore::nsyncdata, NULL, SCIP_CALL, SCIP_OKAY, SCIP_PARA_DETERMINISTIC, SCIPallocBlockMemoryArray, SCIPautoselectDisps(), SCIPboundstoreCreate(), SCIPgetIntParam(), SCIPgetNConcurrentSolvers(), SCIPgetNNZs(), SCIPgetNVars(), SCIPgetRealParam(), SCIPgetSyncstore(), SCIPtpiInit(), SCIPtpiInitCondition(), SCIPtpiInitLock(), SCIP_SyncStore::stopped, SCIP_SyncStore::syncdata, SCIP_SyncStore::syncfreqinit, SCIP_SyncStore::syncfreqmax, and TRUE.

Referenced by SCIPsolveConcurrent().

◆ SCIPsyncstoreExit()

SCIP_EXPORT SCIP_RETCODE SCIPsyncstoreExit ( SCIP_SYNCSTORE * syncstore )

deinitializes the synchronization store

Parameters

syncstore the synchronization store

Definition at line 191 of file syncstore.c.

References FALSE, SCIP_SyncStore::initialized, SCIP_SyncStore::mainscip, SCIP_SyncStore::maxnsols, SCIP_SyncStore::ninitvars, SCIP_SyncStore::nsyncdata, NULL, SCIP_CALL, SCIP_OKAY, SCIPboundstoreFree(), SCIPfreeBlockMemoryArray, SCIPtpiDestroyCondition(), SCIPtpiDestroyLock(), SCIPtpiExit(), SCIP_SyncStore::stopped, and SCIP_SyncStore::syncdata.

Referenced by SCIPfreeProb(), and SCIPsyncstoreRelease().

◆ SCIPsyncstoreSolveIsStopped()

SCIP_EXPORT SCIP_Bool SCIPsyncstoreSolveIsStopped ( SCIP_SYNCSTORE * syncstore )

checks whether the solve-is-stopped flag in the syncstore has been set by any thread

Parameters

syncstore the synchronization store

Definition at line 228 of file syncstore.c.

References SCIP_SyncStore::lock, SCIP_Bool, SCIP_CALL_ABORT, SCIPtpiAcquireLock(), SCIPtpiReleaseLock(), and SCIP_SyncStore::stopped.

Referenced by SCIPsolveIsStopped(), and SCIPsyncstoreStartSync().

◆ SCIPsyncstoreSetSolveIsStopped()

SCIP_EXPORT void SCIPsyncstoreSetSolveIsStopped	(	SCIP_SYNCSTORE *	syncstore,
		SCIP_Bool	stopped
	)

sets the solve-is-stopped flag in the syncstore so that subsequent calls to SCIPsyncstoreSolveIsStopped will return the given value in any thread

Parameters

syncstore	the synchronization store
stopped	flag if the solve is stopped

Definition at line 246 of file syncstore.c.

References SCIP_SyncStore::lock, SCIP_CALL_ABORT, SCIPtpiAcquireLock(), SCIPtpiReleaseLock(), and SCIP_SyncStore::stopped.

Referenced by SCIPconcurrentSolve(), SCIPsolveConcurrent(), and SCIPsyncstoreFinishSync().

◆ SCIPsyncstoreGetLastUpperbound()

SCIP_EXPORT SCIP_Real SCIPsyncstoreGetLastUpperbound ( SCIP_SYNCSTORE * syncstore )

gets the upperbound from the last synchronization

Parameters

syncstore the synchronization store

Definition at line 259 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::lastsync, SCIP_SyncStore::mainscip, NULL, and SCIPinfinity().

Referenced by SCIP_DECL_DISPOUTPUT(), and SCIPgetConcurrentPrimalbound().

◆ SCIPsyncstoreGetLastLowerbound()

SCIP_EXPORT SCIP_Real SCIPsyncstoreGetLastLowerbound ( SCIP_SYNCSTORE * syncstore )

gets the lowerbound from the last synchronization

Parameters

syncstore the synchronization store

Definition at line 270 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::lastsync, SCIP_SyncStore::mainscip, NULL, and SCIPinfinity().

Referenced by SCIPgetConcurrentDualbound().

◆ SCIPsyncstoreGetLastNSols()

SCIP_EXPORT int SCIPsyncstoreGetLastNSols ( SCIP_SYNCSTORE * syncstore )

gets the number of solutions from the last synchronization

Parameters

syncstore the synchronization store

Definition at line 281 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::lastsync, and NULL.

Referenced by SCIP_DECL_DISPOUTPUT().

◆ SCIPsyncstoreGetLastNBounds()

SCIP_EXPORT int SCIPsyncstoreGetLastNBounds ( SCIP_SYNCSTORE * syncstore )

gets the number of boundchanges from the last synchronization

Parameters

syncstore the synchronization store

Definition at line 292 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::lastsync, NULL, and SCIPboundstoreGetNChgs().

◆ SCIPsyncstoreGetLastMemTotal()

SCIP_EXPORT SCIP_Longint SCIPsyncstoreGetLastMemTotal ( SCIP_SYNCSTORE * syncstore )

gets total memory used by all solvers from the last synchronization

Parameters

syncstore the synchronization store

Definition at line 303 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::lastsync, and NULL.

Referenced by SCIP_DECL_DISPOUTPUT().

◆ SCIPsyncstoreGetLastSyncfreq()

SCIP_EXPORT SCIP_Real SCIPsyncstoreGetLastSyncfreq ( SCIP_SYNCSTORE * syncstore )

gets the synchronization frequency from the last synchronization

Parameters

syncstore the synchronization store

Definition at line 314 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::lastsync, and NULL.

◆ SCIPsyncstoreGetSyncdata()

SCIP_EXPORT SCIP_SYNCDATA* SCIPsyncstoreGetSyncdata	(	SCIP_SYNCSTORE *	syncstore,
		SCIP_Longint	syncnum
	)

get synchronization data with given number. It is the responsibility of the caller to only ask for a synchronization number that still exists.

get synchronization data with given number. It is the responsibility of the caller to only ask for a synchronization number that still exists, which is checked with an assert in debug mode.

Parameters

syncstore	the synchronization store
syncnum	the number of the synchronization to start, which must be increasing between calls of the same thread

Definition at line 327 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::nsyncdata, NULL, and SCIP_SyncStore::syncdata.

Referenced by SCIPconcsolverSync().

◆ SCIPsyncstoreGetNextSyncdata()

SCIP_EXPORT SCIP_SYNCDATA* SCIPsyncstoreGetNextSyncdata	(	SCIP_SYNCSTORE *	syncstore,
		SCIP_SYNCDATA *	syncdata,
		SCIP_Real	syncfreq,
		SCIP_Longint	writenum,
		SCIP_Real *	delay
	)

get the next synchronization data that should be read and adjust the delay. Returns NULL if no more data should be read due to minimum delay

Parameters

syncstore	the synchronization store
syncdata	the synchronization data
syncfreq	the current synchronization frequency
writenum	number of synchronizations the solver has written to
delay	pointer holding the current synchronization delay

Definition at line 348 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::maxnsyncdelay, SCIP_SyncStore::nsyncdata, NULL, SCIP_Longint, SCIP_Real, SCIP_STATUS_UNKNOWN, and SCIP_SyncStore::syncdata.

Referenced by SCIPconcsolverSync().

◆ SCIPsyncstoreEnsureAllSynced()

SCIP_EXPORT SCIP_RETCODE SCIPsyncstoreEnsureAllSynced	(	SCIP_SYNCSTORE *	syncstore,
		SCIP_SYNCDATA *	syncdata
	)

ensures that the given synchronization data has been written by all solvers upon return of this function and blocks the caller if necessary.

Parameters

syncstore	the synchronization store
syncdata	the synchronization data

Definition at line 396 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::nsolvers, NULL, SCIP_CALL, SCIP_OKAY, SCIPtpiAcquireLock(), SCIPtpiReleaseLock(), and SCIPtpiWaitCondition().

Referenced by SCIPconcsolverSync().

◆ SCIPsyncstoreStartSync()

SCIP_EXPORT SCIP_RETCODE SCIPsyncstoreStartSync	(	SCIP_SYNCSTORE *	syncstore,
		SCIP_Longint	syncnum,
		SCIP_SYNCDATA **	syncdata
	)

Start synchronization for the given concurrent solver. Needs to be followed by a call to SCIPsyncstoreFinishSync if the syncdata that is returned is not NULL

Parameters

syncstore	the synchronization store
syncnum	the number of the synchronization to start, which must be increasing between calls of the same thread
syncdata	pointer to return the synchronization data

Definition at line 425 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::mainscip, SCIP_SyncStore::nsyncdata, NULL, SCIP_CALL, SCIP_OKAY, SCIP_STATUS_UNKNOWN, SCIPboundstoreClear(), SCIPgetMemTotal(), SCIPinfinity(), SCIPsyncstoreSolveIsStopped(), SCIPtpiAcquireLock(), and SCIP_SyncStore::syncdata.

Referenced by SCIPconcsolverSync().

◆ SCIPsyncstoreFinishSync()

SCIP_EXPORT SCIP_RETCODE SCIPsyncstoreFinishSync	(	SCIP_SYNCSTORE *	syncstore,
		SCIP_SYNCDATA **	syncdata
	)

finishes synchronization for the synchronization data

Parameters

syncstore	the synchronization store
syncdata	the synchronization data

Definition at line 468 of file syncstore.c.

References FALSE, SCIP_SyncStore::initialized, SCIP_SyncStore::lastsync, SCIP_SyncStore::mainscip, SCIP_SyncStore::nsolvers, NULL, SCIP_Bool, SCIP_CALL, SCIP_OKAY, SCIP_STATUS_UNKNOWN, SCIP_VERBLEVEL_HIGH, SCIPprintDisplayLine(), SCIPsyncstoreSetSolveIsStopped(), SCIPtpiBroadcastCondition(), SCIPtpiReleaseLock(), and TRUE.

Referenced by SCIPconcsolverSync().

◆ SCIPsyncdataGetStatus()

SCIP_EXPORT SCIP_STATUS SCIPsyncdataGetStatus ( SCIP_SYNCDATA * syncdata )

gets status in synchronization data

Parameters

syncdata the synchronization data

Definition at line 506 of file syncstore.c.

References NULL.

Referenced by SCIP_DECL_CONCSOLVERSYNCWRITE(), and SCIPconcsolverSync().

◆ SCIPsyncstoreGetWinner()

SCIP_EXPORT int SCIPsyncstoreGetWinner ( SCIP_SYNCSTORE * syncstore )

gets the solver that had the best status, or -1 if solve is not stopped yet

Parameters

syncstore the synchronization store

Definition at line 516 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::lastsync, NULL, and SCIP_STATUS_UNKNOWN.

Referenced by SCIPconcurrentSolve(), and SCIPprintConcsolverStatistics().

◆ SCIPsyncdataGetNSynced()

SCIP_EXPORT int SCIPsyncdataGetNSynced ( SCIP_SYNCDATA * syncdata )

how many solvers have already finished synchronizing on this sychronization data

Parameters

syncdata the synchronization data

Definition at line 530 of file syncstore.c.

References NULL.

Referenced by SCIPconcsolverSync().

◆ SCIPsyncstoreGetNSolvers()

SCIP_EXPORT int SCIPsyncstoreGetNSolvers ( SCIP_SYNCSTORE * syncstore )

how many solvers have are running concurrently

Parameters

syncstore the synchronization store

Definition at line 540 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::nsolvers, and NULL.

Referenced by SCIPconcsolverSync(), and SCIPconcurrentSolve().

◆ SCIPsyncdataGetMemTotal()

SCIP_EXPORT SCIP_Longint SCIPsyncdataGetMemTotal ( SCIP_SYNCDATA * syncdata )

read amount of memory used from synchronization data

read amount total memory used from synchronization data

Parameters

syncdata the synchronization data

Definition at line 551 of file syncstore.c.

References NULL.

Referenced by SCIPconcsolverGetMemTotal().

◆ SCIPsyncdataGetSyncFreq()

SCIP_EXPORT SCIP_Real SCIPsyncdataGetSyncFreq ( SCIP_SYNCDATA * syncdata )

read the synchronization frequency from a synchronization data

Parameters

syncdata the synchronization data

Definition at line 561 of file syncstore.c.

References NULL.

Referenced by SCIPconcsolverSync().

◆ SCIPsyncdataGetUpperbound()

SCIP_EXPORT SCIP_Real SCIPsyncdataGetUpperbound ( SCIP_SYNCDATA * syncdata )

read the upperbound stored in a synchronization data

Parameters

syncdata the synchronization data

Definition at line 571 of file syncstore.c.

References NULL.

Referenced by SCIPconcsolverSync().

◆ SCIPsyncdataGetLowerbound()

SCIP_EXPORT SCIP_Real SCIPsyncdataGetLowerbound ( SCIP_SYNCDATA * syncdata )

read the lowerbound stored in a synchronization data

Parameters

syncdata the synchronization data

Definition at line 581 of file syncstore.c.

References NULL.

Referenced by SCIPconcsolverSync().

◆ SCIPsyncdataGetSolutions()

SCIP_EXPORT void SCIPsyncdataGetSolutions	(	SCIP_SYNCDATA *	syncdata,
		SCIP_Real ***	solvalues,
		int **	solowner,
		int *	nsols
	)

read the solutions stored in a synchronization data

Parameters

syncdata	the synchronization data
solvalues	array of buffers containing the solution values
solowner	array of ownerids of solutions
nsols	pointer to return number of solutions

Definition at line 591 of file syncstore.c.

References NULL.

Referenced by SCIP_DECL_CONCSOLVERSYNCREAD().

◆ SCIPsyncdataGetBoundChgs()

SCIP_EXPORT SCIP_BOUNDSTORE* SCIPsyncdataGetBoundChgs ( SCIP_SYNCDATA * syncdata )

read bound changes stored in the synchronization data

Parameters

syncdata the synchronization data

Definition at line 609 of file syncstore.c.

References NULL.

Referenced by SCIP_DECL_CONCSOLVERSYNCREAD(), and SCIPconcsolverSync().

◆ SCIPsyncdataSetSyncFreq()

SCIP_EXPORT void SCIPsyncdataSetSyncFreq	(	SCIP_SYNCSTORE *	syncstore,
		SCIP_SYNCDATA *	syncdata,
		SCIP_Real	syncfreq
	)

write the synchronization frequency to a synchronization data

Parameters

syncstore	the synchronization store
syncdata	the synchronization data
syncfreq	the synchronization frequency

Definition at line 619 of file syncstore.c.

References SCIP_SyncStore::initialized, MIN, NULL, and SCIP_SyncStore::syncfreqmax.

Referenced by SCIPconcsolverSync().

◆ SCIPsyncdataSetStatus()

SCIP_EXPORT void SCIPsyncdataSetStatus	(	SCIP_SYNCDATA *	syncdata,
		SCIP_STATUS	status,
		int	solverid
	)

set status in the synchronization data

Parameters

syncdata	the synchronization data the upperbound should be added to
status	the status
solverid	identifier of te solver that has this status

Definition at line 633 of file syncstore.c.

References NULL, and SCIP_STATUS_OPTIMAL.

Referenced by SCIP_DECL_CONCSOLVERSYNCWRITE().

◆ SCIPsyncdataAddMemTotal()

SCIP_EXPORT void SCIPsyncdataAddMemTotal	(	SCIP_SYNCDATA *	syncdata,
		SCIP_Longint	memtotal
	)

adds memory used to the synchronization data

Parameters

syncdata	the synchronization data the solution should be added to
memtotal	the number of bytes used

Definition at line 664 of file syncstore.c.

References NULL.

Referenced by SCIP_DECL_CONCSOLVERSYNCWRITE().

◆ SCIPsyncdataSetUpperbound()

SCIP_EXPORT void SCIPsyncdataSetUpperbound	(	SCIP_SYNCDATA *	syncdata,
		SCIP_Real	upperbound
	)

set upperbound to the synchronization data

Parameters

syncdata	the synchronization data the upperbound should be added to
upperbound	the upperbound

Definition at line 675 of file syncstore.c.

References MIN, and NULL.

Referenced by SCIP_DECL_CONCSOLVERSYNCWRITE().

◆ SCIPsyncdataSetLowerbound()

SCIP_EXPORT void SCIPsyncdataSetLowerbound	(	SCIP_SYNCDATA *	syncdata,
		SCIP_Real	lowerbound
	)

set lowerbound to the synchronization data

Parameters

syncdata	the synchronization data the lowerbound should be added to
lowerbound	the lowerbound

Definition at line 686 of file syncstore.c.

References MAX, and NULL.

Referenced by SCIP_DECL_CONCSOLVERSYNCWRITE().

◆ SCIPsyncdataGetSolutionBuffer()

SCIP_EXPORT void SCIPsyncdataGetSolutionBuffer	(	SCIP_SYNCSTORE *	syncstore,
		SCIP_SYNCDATA *	syncdata,
		SCIP_Real	solobj,
		int	ownerid,
		SCIP_Real **	buffer
	)

gives a buffer to store the solution values, or NULL if solution should not be stored because there are already better solutions stored.

Parameters

syncstore	the synchronization store
syncdata	the synchronization data the solution should be added to
solobj	the objective value of the solution
ownerid	an identifier for the owner of the solution, e.g. the thread number
buffer	pointer to return a buffer for the solution values, which must be set if the buffer is not NULL

Definition at line 699 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::maxnsols, NULL, and SCIPswapPointers().

Referenced by SCIP_DECL_CONCSOLVERSYNCWRITE().

◆ SCIPsyncdataAddBoundChanges()

SCIP_EXPORT SCIP_RETCODE SCIPsyncdataAddBoundChanges	(	SCIP_SYNCSTORE *	syncstore,
		SCIP_SYNCDATA *	syncdata,
		SCIP_BOUNDSTORE *	boundstore
	)

adds bound changes to the synchronization data

Parameters

syncstore	the synchronization store
syncdata	the synchronization data
boundstore	bound store containing the bounds to add

Definition at line 758 of file syncstore.c.

References SCIP_SyncStore::initialized, SCIP_SyncStore::mainscip, NULL, SCIP_CALL, SCIP_OKAY, and SCIPboundstoreMerge().

Referenced by SCIP_DECL_CONCSOLVERSYNCWRITE().

◆ SCIPsyncstoreIsInitialized()

SCIP_EXPORT SCIP_Bool SCIPsyncstoreIsInitialized ( SCIP_SYNCSTORE * syncstore )

is synchronization store initialized

Parameters

syncstore the synchronization store

Definition at line 775 of file syncstore.c.

References SCIP_SyncStore::initialized, and NULL.

Referenced by SCIP_DECL_EVENTINIT(), SCIPconcurrentSolve(), SCIPdispAutoActivate(), SCIPfreeProb(), and SCIPprintConcsolverStatistics().

◆ SCIPsyncstoreGetMode()

SCIP_EXPORT SCIP_PARALLELMODE SCIPsyncstoreGetMode ( SCIP_SYNCSTORE * syncstore )

returns the mode of the synchronization store

Parameters

syncstore the synchronization store

Definition at line 785 of file syncstore.c.

References SCIP_SyncStore::mode, and NULL.

SCIP

Detailed Description

Functions

Function Documentation

◆ SCIPsyncstoreCreate()

◆ SCIPsyncstoreRelease()

◆ SCIPsyncstoreCapture()

◆ SCIPsyncstoreInit()

◆ SCIPsyncstoreExit()

◆ SCIPsyncstoreSolveIsStopped()

◆ SCIPsyncstoreSetSolveIsStopped()

◆ SCIPsyncstoreGetLastUpperbound()

◆ SCIPsyncstoreGetLastLowerbound()

◆ SCIPsyncstoreGetLastNSols()

◆ SCIPsyncstoreGetLastNBounds()

◆ SCIPsyncstoreGetLastMemTotal()

◆ SCIPsyncstoreGetLastSyncfreq()

◆ SCIPsyncstoreGetSyncdata()

◆ SCIPsyncstoreGetNextSyncdata()

◆ SCIPsyncstoreEnsureAllSynced()

◆ SCIPsyncstoreStartSync()

◆ SCIPsyncstoreFinishSync()

◆ SCIPsyncdataGetStatus()

◆ SCIPsyncstoreGetWinner()

◆ SCIPsyncdataGetNSynced()

◆ SCIPsyncstoreGetNSolvers()

◆ SCIPsyncdataGetMemTotal()

◆ SCIPsyncdataGetSyncFreq()

◆ SCIPsyncdataGetUpperbound()

◆ SCIPsyncdataGetLowerbound()

◆ SCIPsyncdataGetSolutions()

◆ SCIPsyncdataGetBoundChgs()

◆ SCIPsyncdataSetSyncFreq()

◆ SCIPsyncdataSetStatus()

◆ SCIPsyncdataAddMemTotal()

◆ SCIPsyncdataSetUpperbound()

◆ SCIPsyncdataSetLowerbound()

◆ SCIPsyncdataGetSolutionBuffer()

◆ SCIPsyncdataAddBoundChanges()

◆ SCIPsyncstoreIsInitialized()

◆ SCIPsyncstoreGetMode()