MAXCHECKSONMAXCUTTIME
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Description
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This control is intended for use where optimization runs that are terminated using the
MAXCUTTIME control are required to be reproduced exactly. This control is necessary because of the inherent difficulty in terminating algorithmic software in a consistent way using temporal criteria. The control value relates to the number of times the optimizer checks the
MAXCUTTIME criterion up to and including the check when the termination of cutting was activated. To use the control the user first must obtain the value of the
CHECKSONMAXCUTTIME attribute after the run returns. This attribute value is the number of times the optimizer checked the
MAXCUTTIME criterion during the last call to the optimization routine
XPRSmipoptimize. Note that this attribute value will be negative if the optimizer terminated cutting on the
MAXCUTTIME criterion. To ensure accurate reproduction of a run the user should first ensure that
MAXCUTTIME is set to its default value or to a large value so the run does not terminate again on
MAXCUTTIME and then simply set the control
MAXCHECKSONMAXCUTTIME to the absolute value of the
CHECKSONMAXCUTTIME value.
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Type
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Integer
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Topic area
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Values
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Default value
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0
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Affects routines
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Category
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Control
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