> Hi. I just ran glpsol for a big problem I have here and it just died > after one hour running and 900MB consumed. There was still 2GB avaiable > for it to use but the process died anyway. Here is part of the log file: > > 350 rows, 13689 columns, 27840 non-zeros > 232 integer variables, none of which are binary > 10741 lines were read > GLPK Integer Optimizer, v4.45 > 350 rows, 13689 columns, 27840 non-zeros > 232 integer variables, none of which are binary > Preprocessing... > 350 rows, 13688 columns, 27840 non-zeros > 232 integer variables, all of which are binary > > It was a simplex problem and the command I used was: > > glpsol --log output.log -o output.txt --lp AS_FILE.LTX >
You could try to specify --bestp (or --dfs) option to reduce the memory usage. Note, however, that your mip instance may be hard for the glpk mip solver due to its size. Try also --fpump and --mir. _______________________________________________ Help-glpk mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-glpk
