@@ -532,7 +532,9 @@ SCIP_RETCODE performRationalPresolving(
532
532
533
533
/* call presolving (without storing information for dual postsolve) */
534
534
SCIPverbMessage (scip, SCIP_VERBLEVEL_HIGH, NULL ,
535
- " (%.1fs) running MILP presolver\n " , SCIPgetSolvingTime (scip));
535
+ " (%.1fs) running MILP presolver%s\n " , SCIPgetSolvingTime (scip),
536
+ presolve.getPresolveOptions ().threads == 1 ? " " : " on multiple threads" );
537
+
536
538
int oldnnz = problem.getConstraintMatrix ().getNnz ();
537
539
538
540
#if (PAPILO_VERSION_MAJOR >= 2)
@@ -1084,7 +1086,8 @@ SCIP_RETCODE performRealPresolving(
1084
1086
1085
1087
/* call the presolving */
1086
1088
SCIPverbMessage (scip, SCIP_VERBLEVEL_HIGH, NULL ,
1087
- " (%.1fs) running MILP presolver\n " , SCIPgetSolvingTime (scip));
1089
+ " (%.1fs) running MILP presolver%s\n " , SCIPgetSolvingTime (scip),
1090
+ presolve.getPresolveOptions ().threads == 1 ? " " : " on multiple threads" );
1088
1091
1089
1092
/* call presolving without storing information for dual postsolve */
1090
1093
#if (PAPILO_VERSION_MAJOR >= 2)
@@ -1752,7 +1755,7 @@ SCIP_RETCODE SCIPincludePresolMILP(
1752
1755
" maximum number of threads presolving may use (0: automatic)" ,
1753
1756
&presoldata->threads , FALSE , DEFAULT_THREADS, 0 , INT_MAX, NULL , NULL ) );
1754
1757
#else
1755
- presoldata->threads = DEFAULT_THREADS ;
1758
+ presoldata->threads = 1 ;
1756
1759
#endif
1757
1760
1758
1761
SCIP_CALL ( SCIPaddIntParam (scip,
0 commit comments