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Search results: CPLEX Optimization Studio

Showing 6 of 1002

Proposal for an Official CPLEX R Package for Seamless RStudio Integration

I’d like to suggest that IBM develop and maintain an official R package for the CPLEX solver. Today, R users must rely on a handful of hard-to-install third-party libraries, whereas competitors like Gurobi ship a polished “gurobi” package that ins...
3 months ago in CPLEX Optimization Studio / CPLEX Optimization Studio 0 Submitted

Ability to control cplex memory consumption

Nowadays optimization runs are more and more conducted in the cloud, in kubernetes environments. In kubernetes, the processes run inside containers in what are called pods. To prevent a pod to be killed when the node (machine) capacity is exceeded...
over 1 year ago in CPLEX Optimization Studio / CPLEX Optimization Studio 0 Submitted

a new parameter to control to force MIPStart if the variables are feasible

CPLEX choose to use MIPStart or not accoring to the heuristic. But sometimes the user think MIPStart values as particular variables is the best way to solve the problem. So we’d like to request a new parameter to control to force MIPStart if the v...
over 2 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 0 Not under consideration

In OPL ODBC connection, add a setting for batch size

The prebuilt ODBCConnection allows OPL to access databases using ODBC. One way to optimize database access is to tune the execution batch size. With older versions of OPL that included DBLink, this was the dbUpdateBatchSize parameter.
almost 4 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 1 Future consideration

Document that mipgap and absmipgap are no pure termination criteria but can impact the path Cplex takes in B&C

As discussed in support case TS007960403, Cplex parameters mipgap and absmipgap can impact the path Cplex takes during Branch and Cut. I suggest to document this because from the description of the parameters one can expect that these are pure te...
over 3 years ago in CPLEX Optimization Studio 0 Future consideration

a new parameter to control to force MIPStart if the variables are feasible

CPLEX choose to use MIPStart or not accoring to the heuristic. But sometimes the user think MIPStart values as particular variables is the best way to solve the problem. So we’d like to request a new parameter to control to force MIPStart if the v...
over 2 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 0 Not under consideration

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