MAXCHECKSONMAXTIME
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Description
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This control is intended for use where optimization runs that are terminated using the
MAXTIME 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
MAXTIME criterion up to and including the check when the termination was activated. To use the control the user first must obtain the value of the
CHECKSONMAXTIME attribute after the run returns. This attribute value is the number of times the optimizer checked the
MAXTIME criterion during the last call to the optimization routine
XPRSmipoptimize. Note that this attribute value will be negative if the optimizer terminated on the
MAXTIME criterion. To ensure that a reproduction of a run terminates in the same way the user should first ensure that
MAXTIME is set to its default value or to a large value so the run does not terminate again on
MAXTIME and then simply set the control
MAXCHECKSONMAXTIME to the absolute value of the
CHECKSONMAXTIME value.
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Type
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Integer
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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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