Table A:   Considers only models solved optimal/feasible by both solvers.

Date / Time: 11/15/02 12:53:24


Total resource time for models solved optimal/feasible by solver A and solver B.

See the solver return definitions for optimal/feasible model and solve statuses. Solutions are not checked for how close they are to oneanother. Resource times are considered the same, if they are within 10% of eachother. A solver is considered faster than another, if it is less than 50% faster than the other. A solver is considered much faster than another, if it is more than 50% faster than the other.

A solver is considered to have a better objective function value, if the relative objective value difference is greater than 1.00E-06.

Tracefile 1 :MINOS.TXT
Tracefile 2 :OQMSCONOPT.TXT
Solvers used : MINOS
OQNLP/CONOPT
Modeltype(s)   NLP


Total Obj. MINOS better Obj. same Obj. OQNLP/CONOPTbetter
Solver MINOS much faster : 18 1 15 2
Solver MINOS faster : - - - -
Solvers perform the same: - - - -
Solver OQNLP/CONOPT faster : 8 - 8 -
Solver OQNLP/CONOPT much faster : 62 - 51 11
Total models solved optimal/feasible : 88 1 74 13




Solver return definition:

OutcomeModel StatusSolver Status
optimal 1 or 15 1
feasible 2 or 16 or 17 1 or 2 or 3 or 4 or 5




Resource Times:

Resource times (as in trace file) listed in seconds.


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Solver MINOS much faster - Obj of MINOS better:

Modelname MINOS OQNLP/CONOPT Ratio (MINOS / OQNLP/CONOPT)Obj MINOSObj OQNLP/CONOPT
EX7_2_3 0.09380.95300.098 7.04922164E+03 7.04924802E+03

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Solver MINOS much faster - Obj same for both solvers:

Modelname MINOS OQNLP/CONOPT Ratio (MINOS / OQNLP/CONOPT)Obj MINOSObj OQNLP/CONOPT
EX14_1_1 0.20311.14100.178 0.00000000E+00 0.00000000E+00
EX14_1_2 0.07810.84300.093 0.00000000E+00 0.00000000E+00
EX5_4_2 0.12500.67100.186 7.51223014E+03 7.51223014E+03
EX5_4_4 0.10946.03100.018 1.00777754E+04 1.00777754E+04
EX6_2_5 0.05861.53100.038 -7.07520778E+01 -7.07520778E+01
EX7_2_2 0.08202.64000.031 -3.88811435E-01 -3.88811434E-01
EX7_3_3 0.07812.64100.030 1.14477980E+00 1.14477980E+00
EX8_1_7 0.06252.98500.021 2.93108307E-02 2.93108309E-02
EX8_1_8 0.05082.57800.020 -3.88811435E-01 -3.88811434E-01
EX8_3_6 1.32818.25000.161 -5.00000000E-01 -4.99999999E-01
EX8_3_9 0.812515.57800.052 -7.63001934E-01 -7.63001934E-01
EX8_4_3 0.07424.84400.015 4.64971570E-03 4.64971529E-03
EX8_4_5 0.07811.39100.056 3.07485988E-04 3.07485745E-04
EX8_4_7 0.06648.64000.008 2.90473067E+01 2.90473067E+01
EX9_2_1 0.06643.20300.021 1.70000000E+01 1.70000000E+01

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Solver MINOS much faster - Obj of OQNLP/CONOPT better:

Modelname MINOS OQNLP/CONOPT Ratio (MINOS / OQNLP/CONOPT)Obj MINOSObj OQNLP/CONOPT
EX5_4_3 0.07811.25000.063 5.93743735E+03 4.84546200E+03
EX7_2_4 0.09385.35900.017 4.20285304E+00 3.91801023E+00

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Solver OQNLP/CONOPT faster - Obj same for both solvers:

Modelname MINOS OQNLP/CONOPT Ratio (MINOS / OQNLP/CONOPT)Obj MINOSObj OQNLP/CONOPT
EX14_1_3 0.04690.51600.091 0.00000000E+00 0.00000000E+00
EX14_1_5 0.03130.48400.065 0.00000000E+00 0.00000000E+00
EX14_1_9 0.03130.32800.095 0.00000000E+00 0.00000000E+00
EX14_2_2 0.02730.45300.060 0.00000000E+00 0.00000000E+00
EX14_2_8 0.03130.45300.069 0.00000000E+00 0.00000000E+00
EX14_2_9 0.03130.46900.067 0.00000000E+00 0.00000000E+00
EX4_1_8 0.03130.51500.061 -1.67388932E+01 -1.67388932E+01
EX7_3_2 0.04690.46900.100 1.08986397E+00 1.08986397E+00

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Solver OQNLP/CONOPT much faster - Obj same for both solvers:

Modelname MINOS OQNLP/CONOPT Ratio (MINOS / OQNLP/CONOPT)Obj MINOSObj OQNLP/CONOPT
EX14_2_1 0.03130.68800.045 0.00000000E+00 0.00000000E+00
EX14_2_3 0.03130.84300.037 0.00000000E+00 0.00000000E+00
EX14_2_4 0.03130.82800.038 0.00000000E+00 0.00000000E+00
EX14_2_5 0.02730.53100.051 0.00000000E+00 0.00000000E+00
EX14_2_6 0.03130.75000.042 0.00000000E+00 0.00000000E+00
EX14_2_7 0.03131.03100.030 0.00000000E+00 0.00000000E+00
EX2_1_1 0.03131.50000.021 -1.70000000E+01 -1.70000000E+01
EX2_1_2 0.01170.98500.012 -2.13000000E+02 -2.13000000E+02
EX2_1_3 0.01560.82800.019 -1.50000000E+01 -1.50000000E+01
EX2_1_4 0.01950.90600.022 -1.10000000E+01 -1.10000000E+01
EX2_1_5 0.01561.50000.010 -2.68014632E+02 -2.68014632E+02
EX2_1_6 0.03131.28100.024 -3.90000000E+01 -3.90000000E+01
EX2_1_7 0.02731.06200.026 -4.15041013E+03 -4.15041013E+03
EX2_1_9 0.03131.25000.025 -3.75000000E-01 -3.75000000E-01
EX3_1_1 0.03131.06200.029 7.04924802E+03 7.04924802E+03
EX3_1_2 0.03131.32800.024 -3.06655387E+04 -3.06655387E+04
EX3_1_3 0.03130.60900.051 -3.10000000E+02 -3.10000000E+02
EX3_1_4 0.03131.03100.030 -4.00000000E+00 -4.00000000E+00
EX4_1_1 0.03521.01500.035 -7.48731236E+00 -7.48731236E+00
EX4_1_2 0.03131.00000.031 -6.63500097E+02 -6.63500097E+02
EX4_1_3 0.01560.89000.018 -4.43671705E+02 -4.43671705E+02
EX4_1_4 0.01561.11000.014 0.00000000E+00 0.00000000E+00
EX4_1_5 0.01176.73500.002 0.00000000E+00 0.00000000E+00
EX4_1_6 0.03130.84400.037 7.00000000E+00 7.00000000E+00
EX4_1_7 0.03521.15600.030 -7.50000000E+00 -7.50000000E+00
EX4_1_9 0.01561.06200.015 -5.50801327E+00 -5.50801327E+00
EX5_2_2_CASE2 0.03131.86000.017 0.00000000E+00 0.00000000E+00
EX6_1_1 0.02730.86000.032 -2.01983117E-02 -2.01983120E-02
EX6_1_2 0.03131.62500.019 -3.24637501E-02 -3.24637501E-02
EX6_1_3 0.02730.75000.036 -3.52497801E-01 -3.52497801E-01
EX6_1_4 0.03520.78100.045 -2.94541288E-01 -2.94541288E-01
EX6_2_11 0.03520.65600.054 -2.67240776E-06 -2.67240938E-06
EX6_2_12 0.03130.81200.038 2.89194748E-01 2.89194748E-01
EX6_2_14 0.03131.14100.027 -6.95357935E-01 -6.95357935E-01
EX6_2_7 0.03131.17100.027 -1.60847615E-01 -1.60847616E-01
EX6_2_8 0.01561.14000.014 -2.70063488E-02 -2.70063488E-02
EX6_2_9 0.03131.00000.031 -3.40661841E-02 -3.40661844E-02
EX7_2_1 0.04692.92100.016 1.22722606E+03 1.22722608E+03
EX7_3_4 0.03130.95300.033 1.00000000E+01 1.00000000E+01
EX8_1_1 0.02731.28100.021 -2.02180678E+00 -2.02180678E+00
EX8_1_3 0.01561.37500.011 3.00000000E+01 3.00000000E+01
EX8_4_1 0.03522.07800.017 6.18572759E-01 6.18572759E-01
EX8_4_2 0.04693.40600.014 4.85152487E-01 4.85152486E-01
EX8_4_4 0.03131.50000.021 2.12459839E-01 2.12459839E-01
EX9_1_4 0.03131.42100.022 -3.70000000E+01 -3.70000000E+01
EX9_1_5 0.01560.54700.029 -1.00000000E+00 -1.00000000E+00
EX9_1_8 0.03131.18800.026 -3.25000000E+00 -3.25000000E+00
EX9_2_4 0.03522.11000.017 5.00000000E-01 5.00000000E-01
EX9_2_6 0.03130.64100.049 -1.00000000E+00 -1.00000000E+00
EX9_2_7 0.03133.29700.009 1.70000000E+01 1.70000000E+01
EX9_2_8 0.03130.62500.050 1.50000000E+00 1.50000000E+00

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Solver OQNLP/CONOPT much faster - Obj of OQNLP/CONOPT better:

Modelname MINOS OQNLP/CONOPT Ratio (MINOS / OQNLP/CONOPT)Obj MINOSObj OQNLP/CONOPT
EX14_1_6 0.04690.62500.075 1.00000000E+00 0.00000000E+00
EX14_1_7 0.03130.59400.053 7.04274947E+00 1.34990213E-01
EX14_1_8 0.03520.68800.051 4.14158852E-02 0.00000000E+00
EX2_1_10 0.01561.06300.015 1.33718845E+05 4.93180180E+04
EX2_1_8 0.01562.21800.007 2.52870000E+04 1.59900000E+04
EX5_2_2_CASE1 0.03130.71900.043 0.00000000E+00 -4.00000000E+02
EX5_2_2_CASE3 0.01560.64100.024 0.00000000E+00 -7.50000000E+02
EX5_2_4 0.03130.57800.054 -1.00000000E+02 -4.50000000E+02
EX5_2_5 0.03524.14100.008 -1.90000000E+03 -3.50000000E+03
EX8_1_2 0.01561.36000.011 2.80345848E+00 -1.07086102E+00
EX9_2_3 0.03137.54700.004 5.00000000E+00 0.00000000E+00

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