COMPARISONS

• 64-bit Intel Xeon X5650 2.66Ghz processors– 12 processors sharing 48 GB RAM– Each BARON run restricted to single processor

• All experiments under GAMS– 500 CPU seconds limit; optca=optcr=1e-6– Performance profiles with GAMS performance tool

• Global codes– BARON v. 14.3.1 (2014)– Antigone 1.1, Couenne 0.4, LindoGlobal 8.0, SCIP 3.1

1

369 NLPs FROM GLOBALLIB

2Con: 785 (1—26759), Var: 10922 (2—19315)

BARON

SCIP

COUENNE

LINDOGLOBALANTIGONE

141 MINLPs FROM IBMLIB

3

BARON

SCIP

COUENNE

LINDOGLOBAL

Con: 960 (12—4986), Var: 510 (15—2721), Disc: 138 (4—576)

ANTIGONE

250 MINLPs FROM MINLPLIB

4

BARON

SCIP

COUENNE

LINDOGLOBAL

Con: 532 (1—24972), Var: 603 (1—23827), Disc: 258 (1—10920)

ANTIGONE

980 NLPs FROM PRINCETONLIB

5

BARON

SCIP

COUENNE

LINDOGLOBAL

Con: 823 (1—13801), Var: 1336 (2—20201)

ANTIGONE

AGGREGATE: 1740 NLPs and MINLPs (369 GLOBALLIB, 141 IBMLIB, 250 MINLPLIB, 980 PRINCETONLIB)

BARON

SCIP

COUENNE

LINDOGLOBAL

6Con: 780 (1—26759), Var: 1097 (1—23827), Disc: 47 (0—10920)

ANTIGONE