Detailed Description

methods for timing

Functions
SCIP_Real	SCIPgetTimeOfDay (SCIP *scip)

SCIP_RETCODE	SCIPcreateClock (SCIP scip, SCIP_CLOCK *clck)

SCIP_RETCODE	SCIPcreateCPUClock (SCIP scip, SCIP_CLOCK *clck)

SCIP_RETCODE	SCIPcreateWallClock (SCIP scip, SCIP_CLOCK *clck)

SCIP_RETCODE	SCIPfreeClock (SCIP scip, SCIP_CLOCK *clck)

SCIP_RETCODE	SCIPresetClock (SCIP scip, SCIP_CLOCK clck)

SCIP_RETCODE	SCIPstartClock (SCIP scip, SCIP_CLOCK clck)

SCIP_RETCODE	SCIPstopClock (SCIP scip, SCIP_CLOCK clck)

SCIP_RETCODE	SCIPenableOrDisableStatisticTiming (SCIP *scip)

SCIP_RETCODE	SCIPstartSolvingTime (SCIP *scip)

SCIP_RETCODE	SCIPstopSolvingTime (SCIP *scip)

SCIP_Real	SCIPgetClockTime (SCIP scip, SCIP_CLOCK clck)

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

SCIP_Real	SCIPgetTotalTime (SCIP *scip)

SCIP_Real	SCIPgetSolvingTime (SCIP *scip)

SCIP_Real	SCIPgetReadingTime (SCIP *scip)

SCIP_Real	SCIPgetPresolvingTime (SCIP *scip)

SCIP_Real	SCIPgetFirstLPTime (SCIP *scip)

Function Documentation

◆ SCIPgetTimeOfDay()

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 45064 of file scip.c.

References NULL, and SCIPclockGetTimeOfDay().

◆ SCIPcreateClock()

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 45078 of file scip.c.

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

Referenced by applyVbounds(), SCIPapplyUndercover(), and SCIPincludeBranchruleCloud().

◆ SCIPcreateCPUClock()

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 45095 of file scip.c.

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

◆ SCIPcreateWallClock()

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 45112 of file scip.c.

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

Referenced by SCIPconcsolverCreateInstance(), and SCIPcreateConcurrent().

◆ SCIPfreeClock()

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 45129 of file scip.c.

References NULL, SCIP_OKAY, and SCIPclockFree().

Referenced by applyVbounds(), SCIP_DECL_BRANCHFREE(), SCIPapplyUndercover(), SCIPconcsolverDestroyInstance(), and SCIPfreeConcurrent().

◆ SCIPresetClock()

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 45146 of file scip.c.

References NULL, SCIP_OKAY, and SCIPclockReset().

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

◆ SCIPstartClock()

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 45163 of file scip.c.

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

Referenced by applyVbounds(), SCIP_DECL_BRANCHEXECLP(), SCIPapplyUndercover(), SCIPconcsolverSync(), SCIPcreateConcurrent(), SCIPincrementConcurrentTime(), and updateTimelimit().

◆ SCIPstopClock()

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 45180 of file scip.c.

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

Referenced by applyVbounds(), SCIP_DECL_BRANCHEXECLP(), and SCIPconcsolverSync().

◆ SCIPenableOrDisableStatisticTiming()

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 45220 of file scip.c.

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

◆ SCIPstartSolvingTime()

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 45263 of file scip.c.

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

◆ SCIPstopSolvingTime()

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 45296 of file scip.c.

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

◆ SCIPgetClockTime()

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 45312 of file scip.c.

References NULL, and SCIPclockGetTime().

Referenced by SCIP_DECL_BRANCHFREE(), SCIPapplyUndercover(), SCIPcopyConcurrentSolvingStats(), SCIPincrementConcurrentTime(), and updateTimelimit().

◆ SCIPsetClockTime()

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 45327 of file scip.c.

References NULL, SCIP_OKAY, and SCIPclockSetTime().

Referenced by SCIPcopyConcurrentSolvingStats().

◆ SCIPgetTotalTime()

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 45344 of file scip.c.

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

◆ SCIPgetSolvingTime()

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 45371 of file scip.c.

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

Referenced by applyBoundHeur(), applyCompletesol(), applyHeur(), applyOfins(), applyProbing(), applyRepair(), applyVbounds(), computeInteriorPoint(), copySofttimelimit(), determineLimits(), getCopyTimelimit(), getX(), presolve(), presolveRound(), printSolutionStatistics(), SCIP_DECL_CONCSOLVEREXEC(), SCIP_DECL_DISPOUTPUT(), SCIP_DECL_HEUREXEC(), SCIP_DECL_PRICERREDCOST(), SCIP_DECL_RELAXEXEC(), SCIP_DECL_SEPAEXECLP(), SCIPapplyProximity(), SCIPapplyRens(), SCIPsolve(), searchEcAggr(), separateCuts(), setSubscipLimits(), solveAndEvalSubscip(), solveComponent(), solveIndependentCons(), solveNlp(), solveSubscip(), subscipdataCopySubscip(), testCriteria(), and transitionPhase3().

◆ SCIPgetReadingTime()

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 45398 of file scip.c.

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

Referenced by printTimingStatistics(), and SCIPreadProb().

◆ SCIPgetPresolvingTime()

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 45435 of file scip.c.

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

Referenced by applyRepair(), and SCIPapplyProximity().

◆ SCIPgetFirstLPTime()

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 45461 of file scip.c.

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

Referenced by printRootStatistics(), and SCIP_DECL_SEPAEXECLP().

SCIP

Detailed Description

Functions

Function Documentation

◆ SCIPgetTimeOfDay()

◆ SCIPcreateClock()

◆ SCIPcreateCPUClock()

◆ SCIPcreateWallClock()

◆ SCIPfreeClock()

◆ SCIPresetClock()

◆ SCIPstartClock()

◆ SCIPstopClock()

◆ SCIPenableOrDisableStatisticTiming()

◆ SCIPstartSolvingTime()

◆ SCIPstopSolvingTime()

◆ SCIPgetClockTime()

◆ SCIPsetClockTime()

◆ SCIPgetTotalTime()

◆ SCIPgetSolvingTime()

◆ SCIPgetReadingTime()

◆ SCIPgetPresolvingTime()

◆ SCIPgetFirstLPTime()