Hi guys! I solved a MIP model with the option reslim = 2000 and got MODEL STATUS 8 Integer Solution status. Is it possible to run GAMS in seconds after 2000?
Is there a way I can save time And instead of running the program from the beginning, use the answer that has been achieved so far?
Problems with syntax of GAMS
2 posts • Page 1 of 1
You can store a solution in a GDX point file (see option savepoint, https://www.gams.com/latest/docs/UG_Gam ... Osavepoint). You can load this via execute_loadpoint (https://www.gams.com/latest/docs/UG_GDX ... _LOADPOINT). You also need to tell the solver to start from this (e.g. with Cplex use option mipstart, see https://www.gams.com/latest/docs/S_CPLE ... EXmipstart). This is not restarting the algorithm from the point where it was holding the solution. It just initializes the algorithm with a starting point. All the work on the lower bound by exploring the B&C tree ist lost and needs to be redone.