[Clp-tickets] [COIN-OR Linear Programming Solver] #5: Returning infeasible takes a long time.

COIN-OR Linear Programming Solver coin-trac at coin-or.org
Tue Jan 30 10:14:43 EST 2007


#5: Returning infeasible takes a long time.
------------------------+---------------------------------------------------
 Reporter:  kim         |       Owner:  somebody
     Type:  defect      |      Status:  new     
 Priority:  major       |   Milestone:          
Component:  component1  |     Version:          
 Keywords:              |  
------------------------+---------------------------------------------------
 The problem http://ange.dk/public/long_infeasible.mps.bz2 is infeasible,
 it takes Clp a long time (more than 3 hours) to return that. I have tested
 the same problem on other solvers, cplex returned infeasible in 10 seconds
 and glpsol took 30 seconds to return the same.

-- 
Ticket URL: <https://projects.coin-or.org/Clp/ticket/5>
COIN-OR Linear Programming Solver <http://projects.coin-or.org/Clp>
A linear programming solver.



More information about the Clp-tickets mailing list