Detailed Description

methods for timing

Functions
SCIP_EXPORT SCIP_Real	SCIPgetTimeOfDay (SCIP *scip)

SCIP_EXPORT SCIP_RETCODE	SCIPcreateClock (SCIP scip, SCIP_CLOCK *clck)

SCIP_EXPORT SCIP_RETCODE	SCIPcreateCPUClock (SCIP scip, SCIP_CLOCK *clck)

SCIP_EXPORT SCIP_RETCODE	SCIPcreateWallClock (SCIP scip, SCIP_CLOCK *clck)

SCIP_EXPORT SCIP_RETCODE	SCIPfreeClock (SCIP scip, SCIP_CLOCK *clck)

SCIP_EXPORT SCIP_RETCODE	SCIPresetClock (SCIP scip, SCIP_CLOCK clck)

SCIP_EXPORT SCIP_RETCODE	SCIPstartClock (SCIP scip, SCIP_CLOCK clck)

SCIP_EXPORT SCIP_RETCODE	SCIPstopClock (SCIP scip, SCIP_CLOCK clck)

SCIP_EXPORT SCIP_RETCODE	SCIPenableOrDisableStatisticTiming (SCIP *scip)

SCIP_EXPORT SCIP_RETCODE	SCIPstartSolvingTime (SCIP *scip)

SCIP_EXPORT SCIP_RETCODE	SCIPstopSolvingTime (SCIP *scip)

SCIP_EXPORT SCIP_Real	SCIPgetClockTime (SCIP scip, SCIP_CLOCK clck)

SCIP_EXPORT SCIP_RETCODE	SCIPsetClockTime (SCIP scip, SCIP_CLOCK clck, SCIP_Real sec)

SCIP_EXPORT SCIP_Real	SCIPgetTotalTime (SCIP *scip)

SCIP_EXPORT SCIP_Real	SCIPgetSolvingTime (SCIP *scip)

SCIP_EXPORT SCIP_Real	SCIPgetReadingTime (SCIP *scip)

SCIP_EXPORT SCIP_Real	SCIPgetPresolvingTime (SCIP *scip)

SCIP_EXPORT SCIP_Real	SCIPgetFirstLPTime (SCIP *scip)

Function Documentation

◆ SCIPgetTimeOfDay()

SCIP_EXPORT SCIP_Real SCIPgetTimeOfDay ( SCIP * scip )

gets current time of day in seconds (standard time zone)

Returns: the current time of day in seconds (standard time zone).

Parameters

scip	SCIP data structure

Definition at line 52 of file scip_timing.c.

References NULL, and SCIPclockGetTimeOfDay().

◆ SCIPcreateClock()

SCIP_EXPORT SCIP_RETCODE SCIPcreateClock	(	SCIP *	scip,
		SCIP_CLOCK **	clck
	)

creates a clock using the default clock type

Returns: SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip	SCIP data structure
clck	pointer to clock timer

Definition at line 66 of file scip_timing.c.

References NULL, SCIP_CALL, SCIP_CLOCKTYPE_DEFAULT, SCIP_OKAY, and SCIPclockCreate().

Referenced by alnsIncludeNeighborhood(), applyVbounds(), polyscip::Polyscip::Polyscip(), runBenders(), SCIPapplyUndercover(), and SCIPincludeBranchruleCloud().

◆ SCIPcreateCPUClock()

SCIP_EXPORT SCIP_RETCODE SCIPcreateCPUClock	(	SCIP *	scip,
		SCIP_CLOCK **	clck
	)

creates a clock counting the CPU user seconds

Returns: SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip	SCIP data structure
clck	pointer to clock timer

Definition at line 83 of file scip_timing.c.

References NULL, SCIP_CALL, SCIP_CLOCKTYPE_CPU, SCIP_OKAY, and SCIPclockCreate().

◆ SCIPcreateWallClock()

SCIP_EXPORT SCIP_RETCODE SCIPcreateWallClock	(	SCIP *	scip,
		SCIP_CLOCK **	clck
	)

creates a clock counting the wall clock seconds

Returns: SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip	SCIP data structure
clck	pointer to clock timer

Definition at line 100 of file scip_timing.c.

References NULL, SCIP_CALL, SCIP_CLOCKTYPE_WALL, SCIP_OKAY, and SCIPclockCreate().

Referenced by SCIPconcsolverCreateInstance(), and SCIPcreateConcurrent().

◆ SCIPfreeClock()

SCIP_EXPORT SCIP_RETCODE SCIPfreeClock	(	SCIP *	scip,
		SCIP_CLOCK **	clck
	)

frees a clock

Returns: SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip	SCIP data structure
clck	pointer to clock timer

Definition at line 117 of file scip_timing.c.

References NULL, SCIP_OKAY, and SCIPclockFree().

Referenced by alnsFreeNeighborhood(), applyVbounds(), runBenders(), SCIP_DECL_BRANCHFREE(), SCIPapplyUndercover(), SCIPconcsolverDestroyInstance(), SCIPfreeConcurrent(), and polyscip::Polyscip::~Polyscip().

◆ SCIPresetClock()

SCIP_EXPORT SCIP_RETCODE SCIPresetClock	(	SCIP *	scip,
		SCIP_CLOCK *	clck
	)

resets the time measurement of a clock to zero and completely stops the clock

Returns: SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip	SCIP data structure
clck	clock timer

Definition at line 134 of file scip_timing.c.

References NULL, SCIP_OKAY, and SCIPclockReset().

Referenced by neighborhoodStatsReset(), SCIP_DECL_BRANCHINIT(), SCIPincrementConcurrentTime(), and updateTimelimit().

◆ SCIPstartClock()

SCIP_EXPORT SCIP_RETCODE SCIPstartClock	(	SCIP *	scip,
		SCIP_CLOCK *	clck
	)

starts the time measurement of a clock

Returns: SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip	SCIP data structure
clck	clock timer

Definition at line 151 of file scip_timing.c.

References NULL, SCIP_OKAY, SCIPclockStart(), and Scip::set.

Referenced by applyVbounds(), polyscip::Polyscip::computeNondomPoints(), runBenders(), SCIP_DECL_BRANCHEXECLP(), SCIP_DECL_HEUREXEC(), SCIPapplyUndercover(), SCIPconcsolverSync(), SCIPcreateConcurrent(), SCIPincrementConcurrentTime(), and updateTimelimit().

◆ SCIPstopClock()

SCIP_EXPORT SCIP_RETCODE SCIPstopClock	(	SCIP *	scip,
		SCIP_CLOCK *	clck
	)

stops the time measurement of a clock

Returns: SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip	SCIP data structure
clck	clock timer

Definition at line 168 of file scip_timing.c.

References NULL, SCIP_OKAY, SCIPclockStop(), and Scip::set.

Referenced by applyVbounds(), polyscip::Polyscip::computeNondomPoints(), runBenders(), SCIP_DECL_BRANCHEXECLP(), SCIP_DECL_HEUREXEC(), and SCIPconcsolverSync().

◆ SCIPenableOrDisableStatisticTiming()

SCIP_EXPORT SCIP_RETCODE SCIPenableOrDisableStatisticTiming ( SCIP * scip )

enables or disables all statistic clocks of SCIP concerning plugin statistics, LP execution time, strong branching time, etc.

Method reads the value of the parameter timing/statistictiming. In order to disable statistic timing, set the parameter to FALSE.

Note: : The (pre-)solving time clocks which are relevant for the output during (pre-)solving are not affected by this method

See also: : For completely disabling all timing of SCIP, consider setting the parameter timing/enabled to FALSE

Precondition

This method can be called if SCIP is in one of the following stages:

See SCIP_STAGE for a complete list of all possible solving stages.

enables or disables all statistic clocks of SCIP concerning plugin statistics, LP execution time, strong branching time, etc.

Method reads the value of the parameter timing/statistictiming. In order to disable statistic timing, set the parameter to FALSE.

Note: : The (pre-)solving time clocks which are relevant for the output during (pre-)solving are not affected by this method

See also: : For completely disabling all timing of SCIP, consider setting the parameter timing/enabled to FALSE

Precondition

This method can be called if SCIP is in one of the following stages:

See SCIP_STAGE for a complete list of all possible solving stages.

Parameters

scip	SCIP data structure

Definition at line 208 of file scip_timing.c.

References Scip::conflict, FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIP_STAGE_INIT, SCIP_STAGE_TRANSFORMING, SCIPcheckStage(), SCIPconflictEnableOrDisableClocks(), SCIPsetEnableOrDisablePluginClocks(), SCIPstatEnableOrDisableStatClocks(), Scip::set, SCIP_Set::stage, Scip::stat, SCIP_Set::time_statistictiming, and TRUE.

◆ SCIPstartSolvingTime()

SCIP_EXPORT SCIP_RETCODE SCIPstartSolvingTime ( SCIP * scip )

starts the current solving time

Returns: SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Precondition

This method can be called if SCIP is in one of the following stages:

See SCIP_STAGE for a complete list of all possible solving stages.

Parameters

scip	SCIP data structure

Definition at line 251 of file scip_timing.c.

References FALSE, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPclockStart(), Scip::set, SCIP_Stat::solvingtime, SCIP_Stat::solvingtimeoverall, Scip::stat, and TRUE.

◆ SCIPstopSolvingTime()

SCIP_EXPORT SCIP_RETCODE SCIPstopSolvingTime ( SCIP * scip )

stops the current solving time in seconds

Returns: SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Precondition

This method can be called if SCIP is in one of the following stages:

See SCIP_STAGE for a complete list of all possible solving stages.

Parameters

scip	SCIP data structure

Definition at line 284 of file scip_timing.c.

References FALSE, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPclockStop(), Scip::set, SCIP_Stat::solvingtime, SCIP_Stat::solvingtimeoverall, Scip::stat, and TRUE.

◆ SCIPgetClockTime()

SCIP_EXPORT SCIP_Real SCIPgetClockTime	(	SCIP *	scip,
		SCIP_CLOCK *	clck
	)

gets the measured time of a clock in seconds

Returns: the measured time of a clock in seconds.

Parameters

scip	SCIP data structure
clck	clock timer

Definition at line 300 of file scip_timing.c.

References NULL, and SCIPclockGetTime().

Referenced by polyscip::Polyscip::numberofUnboundedResults(), printLongStatistics(), printNeighborhoodStatistics(), printShortStatistics(), runBenders(), SCIP_DECL_BRANCHFREE(), SCIPapplyUndercover(), SCIPcopyConcurrentSolvingStats(), SCIPincrementConcurrentTime(), and updateTimelimit().

◆ SCIPsetClockTime()

SCIP_EXPORT SCIP_RETCODE SCIPsetClockTime	(	SCIP *	scip,
		SCIP_CLOCK *	clck,
		SCIP_Real	sec
	)

sets the measured time of a clock to the given value in seconds

Returns: SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip	SCIP data structure
clck	clock timer
sec	time in seconds to set the clock's timer to

Definition at line 315 of file scip_timing.c.

References NULL, SCIP_OKAY, and SCIPclockSetTime().

Referenced by SCIPcopyConcurrentSolvingStats().

◆ SCIPgetTotalTime()

SCIP_EXPORT SCIP_Real SCIPgetTotalTime ( SCIP * scip )

gets the current total SCIP time in seconds, possibly accumulated over several problems.

Returns: the current total SCIP time in seconds, ie. the total time since the SCIP instance has been created

Parameters

scip	SCIP data structure

Definition at line 332 of file scip_timing.c.

References NULL, SCIPclockGetTime(), and Scip::totaltime.

Referenced by enumeratePatterns(), getlecloseterms(), redLoopMw(), redLoopPc(), redLoopStp(), reduceHc(), reduceNw(), reduceSap(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_PROBEXITSOL(), SCIPprobdataEnumeratePatterns(), SCIPprobdataWriteLogfileEnd(), SCIPverifyCircularPatternHeuristic(), setupProblem(), and solvePricingHeuristic().

◆ SCIPgetSolvingTime()

SCIP_EXPORT SCIP_Real SCIPgetSolvingTime ( SCIP * scip )

gets the current solving time in seconds

Returns: the current solving time in seconds.

Precondition

This method can be called if SCIP is in one of the following stages:

See SCIP_STAGE for a complete list of all possible solving stages.

Parameters

scip	SCIP data structure

Definition at line 359 of file scip_timing.c.

References FALSE, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPclockGetTime(), SCIP_Stat::solvingtime, Scip::stat, and TRUE.

Referenced by applyBoundHeur(), applyHeur(), applyOptcumulative(), applyProbing(), applyRepair(), applyVbounds(), computeInteriorPoint(), copyMemoryAndTimeLimits(), copySofttimelimit(), determineLimits(), determineSymmetry(), doSeachEcAggr(), getCopyTimelimit(), getTimeLeft(), getX(), presolve(), presolveRound(), SCIP_DECL_CONCSOLVEREXEC(), SCIP_DECL_DISPOUTPUT(), SCIP_DECL_HEUREXEC(), SCIP_DECL_PRESOLEXEC(), SCIP_DECL_PRICERREDCOST(), SCIP_DECL_RELAXEXEC(), SCIP_DECL_SEPAEXECLP(), SCIPapplyProximity(), SCIPprintSolutionStatistics(), SCIPsolve(), separateCuts(), setSubscipLimits(), setupAndSolve(), setupAndSolveSubscip(), solveAndEvalSubscip(), solveComponent(), solveCumulative(), solveIndependentCons(), solveNlp(), solveSubscip(), subscipdataCopySubscip(), testCriteria(), transitionPhase3(), and verifyCircularPattern().

◆ SCIPgetReadingTime()

SCIP_EXPORT SCIP_Real SCIPgetReadingTime ( SCIP * scip )

gets the current reading time in seconds

Returns: the current reading time in seconds.

Precondition

This method can be called if SCIP is in one of the following stages:

See SCIP_STAGE for a complete list of all possible solving stages.

Parameters

scip	SCIP data structure

Definition at line 386 of file scip_timing.c.

References FALSE, SCIP_Set::nreaders, NULL, r, SCIP_Set::readers, SCIP_CALL_ABORT, SCIP_Real, SCIPcheckStage(), SCIPisNegative(), SCIPreaderGetReadingTime(), Scip::set, and TRUE.

Referenced by SCIP_DECL_PROBTRANS(), SCIPprintTimingStatistics(), and SCIPreadProb().

◆ SCIPgetPresolvingTime()

SCIP_EXPORT SCIP_Real SCIPgetPresolvingTime ( SCIP * scip )

gets the current presolving time in seconds

Returns: the current presolving time in seconds.

Precondition

This method can be called if SCIP is in one of the following stages:

See SCIP_STAGE for a complete list of all possible solving stages.

Parameters

scip	SCIP data structure

Definition at line 423 of file scip_timing.c.

References FALSE, SCIP_Stat::presolvingtime, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPclockGetTime(), Scip::stat, and TRUE.

Referenced by applyRepair(), SCIPapplyProximity(), and solveSubscipLpface().

◆ SCIPgetFirstLPTime()

SCIP_EXPORT SCIP_Real SCIPgetFirstLPTime ( SCIP * scip )

gets the time need to solve the first LP in the root node

Returns: the solving time for the first LP in the root node in seconds.

Precondition

This method can be called if SCIP is in one of the following stages:

See SCIP_STAGE for a complete list of all possible solving stages.

Parameters

scip	SCIP data structure

Definition at line 449 of file scip_timing.c.

References FALSE, SCIP_Stat::firstlptime, SCIP_CALL_ABORT, SCIPcheckStage(), Scip::stat, and TRUE.

Referenced by SCIP_DECL_SEPAEXECLP(), and SCIPprintRootStatistics().

SCIP

Detailed Description

Functions

Function Documentation

◆ SCIPgetTimeOfDay()

◆ SCIPcreateClock()

◆ SCIPcreateCPUClock()

◆ SCIPcreateWallClock()

◆ SCIPfreeClock()

◆ SCIPresetClock()

◆ SCIPstartClock()

◆ SCIPstopClock()

◆ SCIPenableOrDisableStatisticTiming()

◆ SCIPstartSolvingTime()

◆ SCIPstopSolvingTime()

◆ SCIPgetClockTime()

◆ SCIPsetClockTime()

◆ SCIPgetTotalTime()

◆ SCIPgetSolvingTime()

◆ SCIPgetReadingTime()

◆ SCIPgetPresolvingTime()

◆ SCIPgetFirstLPTime()