## Solver Square Comparison: Considers all models.

 Date / Time: 09/28/07 20:05:49

Solver comparison utility.

Compares all solver return outcomes (for example optimal, locally optimal, infeasible, unbounded, fail) of one solver with all return outcomes of another solver. Interrupt denotes resource or iteration limit has been reached. Solver SBB is represented on the left (rows) and solver AlphaECP on top (columns). See the solver return definitions for return codes.

Models having trace data only in one trace file are listed in the "no data" column of the other.

 Tracefile 1 : 1-SBB-7.trc.convex Tracefile 2 : 2-AlphaECP-1.trc.convex Solvers used : SBB AlphaECP Modeltype(s) MINLP

 AlphaECP: optimal AlphaECP: feasible AlphaECP: infeasible AlphaECP: unbounded AlphaECP: fail AlphaECP: no data total SBB SBB: optimal - - - - - - - SBB: feasible - 31 - - 1 - 32 SBB: infeasible - - - - - - - SBB: unbounded - - - - - - - SBB: fail - 1 - - 3 - 4 SBB: no data - - - - - - - total AlphaECP - 32 - - 4 - 36

### Solver return definitions:

 Outcome Model Status Solver Status optimal 1 or 15 1 locally optimal 2 any feasible 8 or 16 1 or 2 or 3 or 4 or 5 infeasible 4 or 5 or 10 or 19 1 unbounded 3 or 18 1 fail all other all other

### Solver Resource Times

• Models for each solver pair outcome. Listed are the solver resource times TIME(.) in seconds, as well as the ratio RATIO(./.) of resource times for the two solvers if both solved optimally.
• Also listed are the objective values OBJ(.) using both solvers. The better solution found is listed in boldface. A solution is considered better, if the relative objective function difference is greater than 1.00E-05. If both solutions are less than 1e-1, we use the absolute difference.
• Solver resource time ratios for a particular model are listed only if one solver has resource greater than 5.00E-02.

 Modelname Time (SBB) Time (AlphaECP) Ratio (SBB/AlphaECP) Obj (SBB) Obj (AlphaECP) alan 0.0300 1.0000 0.030 2.92500000 2.92500000 batch 0.2200 2.0000 0.110 285506.50815158 285506.48149069 du-opt 1.7000 1124.0000 0.002 3.56108965 3.55567908 du-opt5 21.0100 453.0000 0.046 8.07365758 8.07307759 ex1223 0.0500 3.0000 0.017 4.57958240 4.57957678 ex1223a 0.0100 3.0000 0.003 4.57958240 4.57957997 ex1223b 0.0200 3.0000 0.007 4.57958240 4.57957678 fac1 0.0400 83.0000 0.000 160912612.35016900 160912612.35016900 fac3 0.2500 8.0000 0.031 31982309.84800000 31982309.84800000 fo7 933.4600 504.0000 1.852 42.10071397 20.72918438 m3 0.4100 2.0000 0.205 37.80000000 37.80000000 m6 741.7500 7.0000 105.964 82.28551882 82.25687690 m7 922.6400 33.0000 27.959 123.96437781 106.75687690 meanvarx 0.0200 1.0000 0.020 14.49698300 14.36907510 nvs03 0.0200 1.0000 0.020 16.00000000 16.00000000 nvs10 0.0000 2.0000 0.000 -310.80000000 -310.80000000 risk2bpb 0.4300 2.0000 0.215 -55.73616850 -55.87613940 st_e14 0.0300 2.0000 0.015 4.57958240 4.57957678 st_miqp1 0.0200 1.0000 0.020 281.00000000 281.00000000 st_miqp2 0.0100 1.0000 0.010 2.00000000 2.00000000 st_miqp4 0.0100 1.0000 0.010 -4574.00000000 -4574.00000000 stockcycle 371.4900 3600.0000 0.103 120257.78833333 436419.12998549 st_test5 0.0900 1.0000 0.090 -110.00000000 -110.00000000 st_test6 0.1200 1.0000 0.120 471.00000000 471.00000000 st_test8 0.0000 1.0000 0.000 -29605.00000000 -29605.00000000 st_testgr1 0.0500 2.0000 0.025 -12.72810000 -12.81160000 st_testgr3 0.0400 1.0000 0.040 -20.46880000 -20.59000000 st_testph4 0.0100 1.0000 0.010 -80.50000000 -80.50000000 synthes1 0.0200 1.0000 0.020 6.00975891 6.00965002 synthes2 0.0800 5.0000 0.016 73.03531253 73.03454960 synthes3 0.1400 4.0000 0.035 68.00974052 68.00932736

 Modelname Time (SBB) Time (AlphaECP) Ratio (SBB/AlphaECP) Obj (SBB) Status (AlphaECP) risk2b 0.3600 4.0000 --- -55.73616850 mstat(14) sstat(10)

 Modelname Time (SBB) Time (AlphaECP) Ratio (SBB/AlphaECP) Status (SBB) Obj (AlphaECP) o7 917.1800 3606.0000 --- mstat(14) sstat( 2) 153.81988735

 Modelname Time (SBB) Time (AlphaECP) Ratio (SBB/AlphaECP) Status (SBB) Status (AlphaECP) tls12 1851.6500 3601.0000 --- mstat(14) sstat( 2) mstat(14) sstat( 3) tls6 618.0400 3600.0000 --- mstat(14) sstat( 2) mstat(14) sstat( 3) tls7 824.7200 3601.0000 --- mstat(14) sstat( 2) mstat(14) sstat( 3)

 Modelname Time (SBB) Obj (SBB) alan 0.0300 2.92500000 batch 0.2200 285506.50815158 du-opt 1.7000 3.56108965 du-opt5 21.0100 8.07365758 ex1223 0.0500 4.57958240 ex1223a 0.0100 4.57958240 ex1223b 0.0200 4.57958240 fac1 0.0400 160912612.35016900 fac3 0.2500 31982309.84800000 fo7 933.4600 42.10071397 m3 0.4100 37.80000000 m6 741.7500 82.28551882 m7 922.6400 123.96437781 meanvarx 0.0200 14.49698300 nvs03 0.0200 16.00000000 nvs10 0.0000 -310.80000000 risk2b 0.3600 -55.73616850 risk2bpb 0.4300 -55.73616850 st_e14 0.0300 4.57958240 st_miqp1 0.0200 281.00000000 st_miqp2 0.0100 2.00000000 st_miqp4 0.0100 -4574.00000000 stockcycle 371.4900 120257.78833333 st_test5 0.0900 -110.00000000 st_test6 0.1200 471.00000000 st_test8 0.0000 -29605.00000000 st_testgr1 0.0500 -12.72810000 st_testgr3 0.0400 -20.46880000 st_testph4 0.0100 -80.50000000 synthes1 0.0200 6.00975891 synthes2 0.0800 73.03531253 synthes3 0.1400 68.00974052

 Modelname Time (SBB) Status (SBB) o7 -- mstat(14) sstat( 2) tls12 -- mstat(14) sstat( 2) tls6 -- mstat(14) sstat( 2) tls7 -- mstat(14) sstat( 2)

 Modelname Time (AlphaECP) Obj (AlphaECP) alan 1.0000 2.92500000 batch 2.0000 285506.48149069 du-opt 1124.0000 3.55567908 du-opt5 453.0000 8.07307759 ex1223 3.0000 4.57957678 ex1223a 3.0000 4.57957997 ex1223b 3.0000 4.57957678 fac1 83.0000 160912612.35016900 fac3 8.0000 31982309.84800000 fo7 504.0000 20.72918438 gbd 1.0000 2.20000000 m3 2.0000 37.80000000 m6 7.0000 82.25687690 m7 33.0000 106.75687690 meanvarx 1.0000 14.36907510 nvs03 1.0000 16.00000000 nvs10 2.0000 -310.80000000 o7 3606.0000 153.81988735 risk2bpb 2.0000 -55.87613940 st_e14 2.0000 4.57957678 st_e35 0.0000 107419.80448037 st_miqp1 1.0000 281.00000000 st_miqp2 1.0000 2.00000000 st_miqp3 1.0000 -6.00000000 st_miqp4 1.0000 -4574.00000000 st_miqp5 1.0000 -333.88903104 stockcycle 3600.0000 436419.12998549 st_test5 1.0000 -110.00000000 st_test6 1.0000 471.00000000 st_test8 1.0000 -29605.00000000 st_testgr1 2.0000 -12.81160000 st_testgr3 1.0000 -20.59000000 st_testph4 1.0000 -80.50000000 synthes1 1.0000 6.00965002 synthes2 5.0000 73.03454960 synthes3 4.0000 68.00932736