Resource Times:

Date / Time: 09/02/07 15:50:38


See the solver return definitions for optimal/feasible model and solve statuses. Solutions are not checked for how close they are to eachother. 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.

If a model was not solved optimal/feasible by both solvers, the resource time is considered the same. If a model was solved optimal/feasible by solver A but not by solver B, then solver A is considered infinitely faster than solver B. Similarly, if one solver has trace data and the other has no data, then the first solver is consideredinfinitely faster.

A solver is considered to have a better objective function value, if the relative objective value difference is greater than 1.00E-05 For objective values below 1e-1 we use absolute differences.

Tracefile 1 :1-SBB-1_noSOSsemicon.trc
Tracefile 2 :3-DICOPT-1_noSOSsemi.trc
Solvers used : SBB-CONOPT
DICOPT-CPLEX-CONOPT
Modeltype(s)   MINLP
Threshold: Solver Faster 10%
Threshold: Solver Much Faster 50%
Threshold: Solver Infinitely Faster Other solver failed


Total Obj SBB-CONOPT better Obj same Obj DICOPT-CPLEX-CONOPT better
Solver SBB-CONOPT infinitely faster : 26 26 - -
Solver SBB-CONOPT much faster : 1 1 - -
Solver SBB-CONOPT faster : 3 1 1 1
Solvers perform the same : 55 5 48 2
Solver DICOPT-CPLEX-CONOPT faster : 6 2 3 1
Solver DICOPT-CPLEX-CONOPT much faster : 52 27 19 6
Solver DICOPT-CPLEX-CONOPT infinitely faster : 3 - - 3
Both solvers failed to solve optimally : 15 - 15 -
Total models: : 161628613




Solver return definition:

OutcomeModel StatusSolver Status
globally optimal 1 or 15 1
locally optimal/feasible 2 or 8 or 16 1 or 2 or 3 or 4 or 5




Resource Times:

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Solver SBB-CONOPT infinitely faster - Obj of SBB-CONOPT better:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
beuster86.4000fail -- 1.16431316E+05 1.16329170E+05
cecil_135.3000fail -- -1.15544840E+05 -1.22521634E+05
deb100.2300fail -- 2.09427812E+02 1.99284765E+02
deb922.7600fail -- 1.16584559E+02 9.75599665E+01
ex12521.3000fail -- 1.28893741E+05 6.58857797E+04
ex1252a0.7500fail -- 1.28893741E+05 6.58857797E+04
ex1263a3.6000fail -- 1.96000000E+01 1.98894427E+01
ex1265a0.1100fail -- 1.51000000E+01 1.00960000E+01
ex12665.3300fail -- 1.63000000E+01 1.61166667E+01
ex1266a0.4500fail -- 1.63000000E+01 1.61166667E+01
gastrans0.5500fail -- 8.90858400E+01 8.90858400E+01
lop97icx218.6000fail -- 4.18494489E+03 3.84790111E+03
hmittelman0.5100fail -- 1.30000000E+01 5.02360536E+00
nvs020.0400fail -- 5.96418452E+00 5.95586699E+00
nvs040.0200infeasible -- 7.20000000E-01 1.00000000E+10
oil20.4500fail -- -7.33260012E-01 -7.33246473E-01
space2585.4300fail -- 4.84328644E+02 4.83811500E+02
space25a9.5900fail -- 4.84328644E+02 4.83811500E+02
st_e350.0100fail -- 1.17178934E+05 1.64177581E+07
st_miqp30.0000fail -- -6.00000000E+00 NA
st_miqp40.0000fail -- -4.57400000E+03 NA
tln635.1900fail -- 1.63000000E+01 1.46912500E+01
tloss0.4800fail -- 1.63000000E+01 1.61166667E+01
var_con101.5100fail -- 4.44213954E+02 4.33324817E+02
var_con51.7800fail -- 2.78144894E+02 2.68668153E+02
water451.3900fail -- 9.13157068E+02 3.03021218E+02

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Solver SBB-CONOPT much faster - Obj of SBB-CONOPT better:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
eg_disc2_s6.240012.51000.499 5.93637221E+00 6.31052092E+00

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Solver SBB-CONOPT faster - Obj of SBB-CONOPT better:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
deb66.90009.15000.754 2.01739305E+02 2.09094607E+02

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Solver SBB-CONOPT faster - Obj same for both solvers:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
gasnet0.09000.13000.692 7.04532689E+06 7.04532689E+06

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Solver SBB-CONOPT faster - Obj of DICOPT-CPLEX-CONOPT better:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
util0.08000.12000.667 9.99897308E+02 9.99578750E+02

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Solvers perform the same - Obj of SBB-CONOPT better:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
alan0.01000.0200--- 2.92500000E+00 3.00000000E+00
st_miqp20.03000.0200--- 2.00000000E+00 5.00000000E+00
st_test80.01000.0400--- -2.96050000E+04 -2.95750000E+04
st_testgr10.04000.0400--- -1.27281000E+01 -9.57515000E+00
synthes20.04000.0200--- 7.30353125E+01 7.42944865E+01

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Solvers perform the same - Obj same for both solvers:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
batchdes0.04000.0200--- 1.67427657E+05 1.67427657E+05
blendgap0.03000.0400--- 0.00000000E+00 0.00000000E+00
csched1a0.04000.0200--- -3.02797471E+04 -3.02797471E+04
ex12210.01000.0000--- 7.66718007E+00 7.66718007E+00
ex12220.01000.0100--- 1.07654308E+00 1.07654308E+00
ex12230.06000.0300--- 4.57958240E+00 4.57958240E+00
ex1223a0.01000.0300--- 4.57958240E+00 4.57958240E+00
ex1223b0.00000.0500--- 4.57958240E+00 4.57958240E+00
ex12240.08000.0200--- -9.43470500E-01 -9.43470500E-01
ex12250.02000.0200--- 3.10000000E+01 3.10000000E+01
ex12260.00000.0000--- -1.70000000E+01 -1.70000000E+01
fac10.01000.0400--- 1.60912612E+08 1.60912612E+08
fac20.21000.21001.000 3.31837498E+08 3.31837498E+08
feedtray0.03000.0300--- -1.34059977E+01 -1.34059977E+01
fuel0.01000.0200--- 8.56611896E+03 8.56611896E+03
gbd0.00000.0000--- 2.20000000E+00 2.20000000E+00
gkocis0.03000.0300--- -1.92309874E+00 -1.92309874E+00
nous10.03000.0500--- 1.56707200E+00 1.56707200E+00
nous20.03000.0500--- 6.25967412E-01 6.25967412E-01
nuclear14a1.33001.34000.993 -1.12821323E+00 -1.12821323E+00
nuclear24a1.33001.32001.008 -1.12821323E+00 -1.12821323E+00
nvs010.01000.0300--- 1.24696688E+01 1.24696688E+01
nvs030.02000.0200--- 1.60000000E+01 1.60000000E+01
nvs050.05000.05001.000 5.47093411E+00 5.47093411E+00
nvs060.00000.0600--- 1.77031250E+00 1.77031250E+00
nvs070.02000.0300--- 4.00000000E+00 4.00000000E+00
nvs080.04000.0500--- 2.34497273E+01 2.34497273E+01
nvs090.00000.0000--- -4.31343369E+01 -4.31343369E+01
nvs100.02000.1100--- -3.10800000E+02 -3.10800000E+02
oaer0.02000.0400--- -1.92309854E+00 -1.92309851E+00
prob020.01000.0600--- 1.12235000E+05 1.12235000E+05
prob030.02000.0300--- 1.00000000E+01 1.00000000E+01
prob100.02000.0300--- 3.44550379E+00 3.44550379E+00
procsel0.03000.0400--- -1.92309874E+00 -1.92309874E+00
pump0.02000.1200--- 1.34263585E+05 1.34263585E+05
sep10.01000.0300--- -5.10080984E+02 -5.10080984E+02
spring0.07000.07001.000 8.46245666E-01 8.46245666E-01
st_e140.02000.0500--- 4.57958240E+00 4.57958240E+00
st_e270.00000.0000--- 2.00000000E+00 2.00000000E+00
st_e290.05000.0300--- -9.43470500E-01 -9.43470500E-01
st_e380.00000.0000--- 7.19772715E+03 7.19772715E+03
st_miqp10.03000.0200--- 2.81000000E+02 2.81000000E+02
st_miqp50.00000.0000--- -3.33888889E+02 -3.33888889E+02
st_test50.06000.0200--- -1.10000000E+02 -1.10000000E+02
st_test60.09000.0400--- 4.71000000E+02 4.71000000E+02
st_testph40.02000.0200--- -8.05000000E+01 -8.05000000E+01
synthes10.03000.0300--- 6.00975891E+00 6.00975891E+00
windfac0.00000.0600--- 2.54487298E-01 2.54487298E-01

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Solvers perform the same - Obj of DICOPT-CPLEX-CONOPT better:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
meanvarx0.02000.0400--- 1.44969830E+01 1.43692321E+01
st_testgr30.06000.0300--- -2.04688000E+01 -2.05900000E+01

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Solver DICOPT-CPLEX-CONOPT faster - Obj of SBB-CONOPT better:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
eg_disc_s13.81007.16001.929 5.76053962E+00 5.86552249E+00
ex126329.440019.77001.489 1.96000000E+01 2.06000000E+01

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Solver DICOPT-CPLEX-CONOPT faster - Obj same for both solvers:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
batch0.23000.0400--- 2.85506508E+05 2.85506508E+05
fac30.29000.16001.812 3.19823098E+07 3.19823098E+07
st_e320.14000.07002.000 -1.43040728E+00 -1.43040728E+00

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Solver DICOPT-CPLEX-CONOPT faster - Obj of DICOPT-CPLEX-CONOPT better:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
risk2bpb0.42000.22001.909 -5.57361685E+01 -5.58761394E+01

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Solver DICOPT-CPLEX-CONOPT much faster - Obj of SBB-CONOPT better:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
4stufen2.40000.80003.000 1.16340860E+05 1.19785959E+05
contvar17.84003.62004.928 8.09149827E+05 8.13386946E+05
csched10.70000.060011.667 -3.06392578E+04 -3.01192300E+04
csched229.92001.720017.395 -1.65888736E+05 -1.59164342E+05
csched2a5.33001.59003.352 -1.65398701E+05 -1.64384239E+05
dosemin2d666.970012.500053.358 1.73980583E+02 1.95478964E+02
du-opt520.82000.1100189.273 8.07365758E+00 5.07614176E+01
du-opt1.74000.120014.500 3.56108965E+00 1.08845740E+02
eg_all_s16.44007.39002.225 7.92018223E+00 1.10728358E+01
ex12430.14000.06002.333 8.34025064E+04 4.21713714E+05
ex12440.17000.08002.125 8.20429052E+04 8.76463825E+04
ex126440.30000.410098.293 8.60000000E+00 9.30000000E+00
ex1264a5.08000.100050.800 8.60000000E+00 9.60000000E+00
ex12651.53000.29005.276 1.13000000E+01 1.51000000E+01
fuzzy184.66002.470074.761 -4.88877286E-01 -1.94883595E-01
gear433.52000.0100--- 1.64342847E+00 1.04279325E+05
hda10.14004.41002.299 -5.59804813E+03 -4.05762739E+03
johnall1.96000.29006.759 -2.24730162E+02 -2.22373032E+02
m7223.46006.530034.221 1.23964378E+02 1.80357619E+02
mbtd3600.320045.700078.782 5.91666000E+00 6.49999000E+00
nuclearva6.02001.20005.017 -1.01012730E+00 -1.00948507E+00
ortez0.15000.06002.500 -9.53203905E+03 -4.88569077E+03
qapw3.67000.89004.124 3.88870000E+05 3.99852000E+05
spectra21.31000.100013.100 1.39783059E+01 1.93007357E+01
stockcycle98.01000.2000490.050 1.43295165E+05 3.82333832E+05
synthes30.18000.07002.571 6.80097405E+01 7.64193805E+01
waterx112.82000.1900593.789 9.38862849E+02 1.00702178E+03

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Solver DICOPT-CPLEX-CONOPT much faster - Obj same for both solvers:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
eg_int_s23.11004.70004.917 6.45310316E+00 6.45310316E+00
elf0.56000.0400--- 4.34666666E-01 4.34666667E-01
enpro483.39000.290011.690 1.87277259E+05 1.87277259E+05
enpro48pb3.18000.230013.826 1.87277259E+05 1.87277259E+05
enpro5631.51000.530059.453 2.63428301E+05 2.63428301E+05
enpro56pb22.48000.580038.759 2.63428301E+05 2.63428301E+05
ex30.18000.06003.000 6.80097441E+01 6.80097441E+01
ex3pb0.24000.05004.800 6.80097441E+01 6.80097441E+01
ex42.17000.22009.864 -8.06413616E+00 -8.06413617E+00
gear0.64000.12005.333 0.00000000E+00 5.04146363E-07
gear214.95000.1200124.583 9.74565345E-10 2.02260140E-06
gear30.64000.11005.818 0.00000000E+00 5.04146363E-07
m30.40000.10004.000 3.78000000E+01 3.78000000E+01
minlphix0.11000.05002.200 3.16692695E+02 3.16692695E+02
parallel0.40000.18002.222 9.24295551E+02 9.24295551E+02
qap6.20001.95003.179 3.95738000E+05 3.95738000E+05
ravem0.88000.23003.826 2.69590219E+05 2.69590219E+05
ravempb0.60000.20003.000 2.69590219E+05 2.69590219E+05
synheat1.22000.070017.429 1.54997335E+05 1.54997335E+05

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Solver DICOPT-CPLEX-CONOPT much faster - Obj of DICOPT-CPLEX-CONOPT better:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
eniplac12.87000.130099.000 -1.30344370E+05 -1.30450770E+05
ex12330.67000.07009.571 1.55522462E+05 1.55010671E+05
m6196.77002.370083.025 1.29824936E+02 8.22568769E+01
pb3020353600.48005.3800669.234 3.80440300E+06 3.37935900E+06
pb3515352345.68004.6400505.534 4.48528800E+06 4.47822600E+06
risk2b0.39000.18002.167 -5.57361685E+01 -5.58761394E+01

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Solver DICOPT-CPLEX-CONOPT infinitely faster - Obj of DICOPT-CPLEX-CONOPT better:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
pb302095fail 25.6100 -- 0.00000000E+00 5.73254300E+06
pb351595fail 9.0100 -- 0.00000000E+00 6.72091900E+06
st_e36infeasible 0.1800 -- 0.00000000E+00 -2.37688891E+02

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Both solvers failed to solve optimally - Obj same for both solvers:

Modelname Time (SBB-CONOPT) Time (DICOPT-CPLEX-CONOPT) Ratio (SBB-CONOPT / DICOPT-CPLEX-CONOPT) Obj (SBB-CONOPT) Obj (DICOPT-CPLEX-CONOPT)
deb7infeasible infeasible -- 1.43492391E+02 9.70853171E+01
deb8infeasible infeasible -- 2.49467682E+03 9.70853171E+01
feedtray2infeasible infeasible -- 0.00000000E+00 0.00000000E+00
fo7fail fail -- 0.00000000E+00 0.00000000E+00
o7fail fail -- 0.00000000E+00 0.00000000E+00
st_e13infeasible infeasible -- 1.00000000E+00 1.00000000E+00
st_e15infeasible infeasible -- 3.00000000E+00 3.00000000E+00
st_e31infeasible infeasible -- 0.00000000E+00 0.00000000E+00
st_e40infeasible infeasible -- 4.41421350E+00 4.41421350E+00
tln12fail fail -- 0.00000000E+00 8.53545833E+01
tln7fail fail -- 0.00000000E+00 1.36506961E+01
tls12fail fail -- 0.00000000E+00 2.31187159E+00
tltrinfeasible fail -- 0.00000000E+00 1.99890420E+01
tls6fail fail -- 0.00000000E+00 1.30565405E+00
tls7fail fail -- 0.00000000E+00 5.93496273E-01

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