Resource Times:

Date / Time: 09/01/07 15:37:01


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.trc
Tracefile 2 :5-SBB-5.trc
Solvers used : SBB-CONOPT
SBB-IPOPT-PL0
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 SBB-IPOPT-PL0 better
Solver SBB-CONOPT infinitely faster : 14 14 - -
Solver SBB-CONOPT much faster : 77 13 51 13
Solver SBB-CONOPT faster : 26 1 18 7
Solvers perform the same : 24 1 23 -
Solver SBB-IPOPT-PL0 faster : 1 - 1 -
Solver SBB-IPOPT-PL0 much faster : 5 2 1 2
Solver SBB-IPOPT-PL0 infinitely faster : 8 - - 8
Both solvers failed to solve optimally : 10 - 10 -
Total models: : 1653110430




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 (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
blendgap0.0300unbounded -- 0.00000000E+00 -1.91364478E+04
dosemin2d666.9700fail -- 1.73980583E+02 0.00000000E+00
fuzzy184.6600fail -- -4.88877286E-01 -5.12740304E-01
hda10.1400fail -- -5.59804813E+03 0.00000000E+00
meanvarxsc0.0400fail -- 1.43692321E+01 0.00000000E+00
oil20.4500fail -- -7.33260012E-01 -7.33353049E-01
pb3020353600.4800fail -- 3.80440300E+06 0.00000000E+00
pb3515352345.6800fail -- 4.48528800E+06 0.00000000E+00
tln635.1900fail -- 1.63000000E+01 0.00000000E+00
water3111.8800fail -- 9.07016996E+02 0.00000000E+00
watersym224.7800fail -- 9.51408087E+02 0.00000000E+00
waters166.9900fail -- 1.74336673E+03 0.00000000E+00
watersbp124.8700fail -- 9.07016996E+02 0.00000000E+00
watersym197.6000fail -- 9.13775733E+02 0.00000000E+00

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
cecil_135.30003603.21000.001 -1.15544840E+05 -1.10372429E+05
contvar17.8400100.24000.178 8.09149827E+05 8.13745124E+05
du-opt1.74003.97000.438 3.56108965E+00 3.56468638E+00
enpro48pb3.18003600.80000.001 1.87277259E+05 1.92284621E+05
enpro56pb22.48003600.00000.006 2.63428301E+05 2.63703235E+05
ex1252a0.75003600.05000.000 1.28893741E+05 1.43555088E+05
ex126329.44001591.99000.018 1.96000000E+01 2.26000000E+01
ex126440.30001863.44000.022 8.60000000E+00 9.60000000E+00
ex3pb0.24003600.01000.000 6.80097441E+01 9.58848500E+01
qapw3.67001430.60000.003 3.88870000E+05 3.91288000E+05
space2585.43002368.10000.036 4.84328644E+02 4.87074333E+02
util0.08005.19000.015 9.99897308E+02 1.00856681E+03
water451.39003600.21000.014 9.13157068E+02 9.22528005E+02

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
batch0.23001.64000.140 2.85506508E+05 2.85506508E+05
deb100.23000.96000.240 2.09427812E+02 2.09427812E+02
deb66.900052.19000.132 2.01739305E+02 2.01739305E+02
deb922.76002015.49000.011 1.16584559E+02 1.16584559E+02
du-opt520.820052.47000.397 8.07365758E+00 8.07365758E+00
eg_all_s16.440050.71000.324 7.92018223E+00 7.92018223E+00
enpro483.39001968.93000.002 1.87277259E+05 1.87277259E+05
enpro5631.51001912.07000.016 2.63428301E+05 2.63428301E+05
ex12230.06000.21000.286 4.57958240E+00 4.57958240E+00
ex12240.08000.19000.421 -9.43470500E-01 -9.43470500E-01
ex12430.140050.38000.003 8.34025064E+04 8.34025064E+04
ex12440.1700254.83000.001 8.20429052E+04 8.20429052E+04
ex12521.3000278.99000.005 1.28893741E+05 1.28893741E+05
ex1263a3.600032.26000.112 1.96000000E+01 1.96000000E+01
ex1264a5.080011.29000.450 8.60000000E+00 8.60000000E+00
ex12665.3300559.33000.010 1.63000000E+01 1.63000000E+01
ex1266a0.450018.36000.025 1.63000000E+01 1.63000000E+01
ex30.18001.05000.171 6.80097441E+01 6.80097441E+01
ex42.170014.03000.155 -8.06413616E+00 -8.06413616E+00
fac10.01001.8700--- 1.60912612E+08 1.60912612E+08
fac20.210049.53000.004 3.31837498E+08 3.31837498E+08
fac30.29007.17000.040 3.19823098E+07 3.19823098E+07
gear0.640032.01000.020 0.00000000E+00 1.54504505E-10
gear214.9500286.33000.052 9.74565345E-10 2.46275507E-08
gear30.6400224.41000.003 0.00000000E+00 9.92157960E-10
gear433.5200364.54000.092 1.64342847E+00 1.64342847E+00
johnall1.960014.53000.135 -2.24730162E+02 -2.24730162E+02
m30.40001.76000.227 3.78000000E+01 3.78000000E+01
minlphix0.110054.82000.002 3.16692695E+02 3.16692695E+02
hmittelman0.510022.84000.022 1.30000000E+01 1.30000000E+01
nous10.03000.6500--- 1.56707200E+00 1.56707200E+00
nous20.03001.5600--- 6.25967412E-01 6.25967418E-01
nvs020.04000.5500--- 5.96418452E+00 5.96418452E+00
nvs050.05003.48000.014 5.47093411E+00 5.47093411E+00
ortez0.15007.02000.021 -9.53203905E+03 -9.53203905E+03
parallel0.40002.34000.171 9.24295551E+02 9.24295551E+02
procsel0.03001.0700--- -1.92309874E+00 -1.92309874E+00
ravem0.8800144.86000.006 2.69590219E+05 2.69590219E+05
ravempb0.600051.32000.012 2.69590219E+05 2.69590219E+05
risk2b0.390032.02000.012 -5.57361685E+01 -5.57361685E+01
risk2bpb0.420020.71000.020 -5.57361685E+01 -5.57361685E+01
spectra21.310021.84000.060 1.39783059E+01 1.39783226E+01
spring0.07001.60000.044 8.46245666E-01 8.46245666E-01
st_e290.05000.18000.278 -9.43470500E-01 -9.43470500E-01
st_e320.14001.35000.104 -1.43040728E+00 -1.43040728E+00
st_test50.06000.64000.094 -1.10000000E+02 -1.10000000E+02
st_test60.09000.73000.123 4.71000000E+02 4.71000000E+02
synheat1.220012.80000.095 1.54997335E+05 1.54997335E+05
synthes30.18001.31000.137 6.80097405E+01 6.80097405E+01
tloss0.480030.72000.016 1.63000000E+01 1.63000000E+01
var_con51.78003.64000.489 2.78144894E+02 2.78144894E+02

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Solver SBB-CONOPT much faster - Obj of SBB-IPOPT-PL0 better:

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
elf0.5600121.75000.005 4.34666666E-01 1.91666667E-01
eniplac12.87003600.06000.004 -1.30344370E+05 -1.31598904E+05
ex12330.67009.98000.067 1.55522462E+05 1.55010671E+05
ex12651.5300826.64000.002 1.13000000E+01 1.03000000E+01
ex1265a0.11004.92000.022 1.51000000E+01 1.03000000E+01
gasnet0.09005.22000.017 7.04532689E+06 6.99938156E+06
lop97icx218.60003356.67000.065 4.18494489E+03 4.12786969E+03
nuclear14a1.33002.69000.494 -1.12821323E+00 -1.12963353E+00
nuclear24a1.33002.70000.493 -1.12821323E+00 -1.12963353E+00
nuclearva6.020013.61000.442 -1.01012730E+00 -1.01123773E+00
qap6.200066.34000.093 3.95738000E+05 3.88214000E+05
st_e350.01003.8600--- 1.17178934E+05 6.48680769E+04
st_testgr30.06004.06000.015 -2.04688000E+01 -2.05274000E+01

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
csched2a5.33009.01000.592 -1.65398701E+05 -1.64403509E+05

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
batchdes0.04000.3000--- 1.67427657E+05 1.67427657E+05
csched10.70001.25000.560 -3.06392578E+04 -3.06392578E+04
ex1223b0.00000.1700--- 4.57958240E+00 4.57958240E+00
ex12250.02000.1700--- 3.10000000E+01 3.10000000E+01
fuel0.01000.1900--- 8.56611896E+03 8.56611896E+03
gastrans0.55000.86000.640 8.90858400E+01 8.90858400E+01
gkocis0.03000.1900--- -1.92309874E+00 -1.92309874E+00
nvs010.01000.1600--- 1.24696688E+01 1.24696688E+01
nvs030.02000.1500--- 1.60000000E+01 1.60000000E+01
nvs040.02000.1500--- 7.20000000E-01 7.20000000E-01
pump0.02000.4400--- 1.34263585E+05 1.34263585E+05
st_e140.02000.1900--- 4.57958240E+00 4.57958240E+00
st_miqp10.03000.1400--- 2.81000000E+02 2.81000000E+02
st_miqp20.03000.2800--- 2.00000000E+00 2.00000000E+00
st_testgr10.04000.2900--- -1.27281000E+01 -1.27281000E+01
synthes20.04000.4200--- 7.30353125E+01 7.30353125E+01
var_con101.51002.95000.512 4.44213954E+02 4.44213954E+02
windfac0.00000.1800--- 2.54487298E-01 2.54487298E-01

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Solver SBB-CONOPT faster - Obj of SBB-IPOPT-PL0 better:

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
4stufen2.40002.78000.863 1.16340860E+05 1.16329734E+05
csched1a0.04000.2800--- -3.02797471E+04 -3.02885046E+04
csched229.920041.37000.723 -1.65888736E+05 -1.66037846E+05
eg_disc2_s6.24007.74000.806 5.93637221E+00 5.64950591E+00
m6196.7700255.33000.771 1.29824936E+02 1.06256877E+02
m7223.4600266.15000.840 1.23964378E+02 1.18756877E+02
meanvarx0.02000.2700--- 1.44969830E+01 1.44040623E+01

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
space25a9.59008.80001.090 4.84328644E+02 4.87074333E+02

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Solvers perform the same - Obj same for both solvers:

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
alan0.01000.0900--- 2.92500000E+00 2.92500000E+00
ex12210.01000.0100--- 7.66718007E+00 7.66718007E+00
ex12220.01000.0600--- 1.07654308E+00 1.07654308E+00
ex1223a0.01000.0700--- 4.57958240E+00 4.57958240E+00
ex12260.00000.0200--- -1.70000000E+01 -1.70000000E+01
feedtray0.03000.0600--- -1.34059977E+01 -1.34059977E+01
gbd0.00000.0400--- 2.20000000E+00 2.20000000E+00
nvs060.00000.0700--- 1.77031250E+00 1.77031250E+00
nvs070.02000.1100--- 4.00000000E+00 4.00000000E+00
nvs080.04000.0700--- 2.34497273E+01 2.34497273E+01
nvs090.00000.0100--- -4.31343369E+01 -4.31343369E+01
nvs100.02000.0500--- -3.10800000E+02 -3.10800000E+02
oaer0.02000.0800--- -1.92309854E+00 -1.92309846E+00
prob020.01000.0400--- 1.12235000E+05 1.12235000E+05
prob030.02000.0500--- 1.00000000E+01 1.00000000E+01
prob100.02000.1000--- 3.44550379E+00 3.44550379E+00
st_e270.00000.0100--- 2.00000000E+00 2.00000000E+00
st_e380.00000.0100--- 7.19772715E+03 7.19772715E+03
st_miqp30.00000.0200--- -6.00000000E+00 -6.00000000E+00
st_miqp50.00000.0200--- -3.33888889E+02 -3.33888889E+02
st_test80.01000.0900--- -2.96050000E+04 -2.96050000E+04
st_testph40.02000.0800--- -8.05000000E+01 -8.05000000E+01
synthes10.03000.1200--- 6.00975891E+00 6.00975891E+00

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Solver SBB-IPOPT-PL0 faster - Obj same for both solvers:

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
eg_disc_s13.81008.07001.711 5.76053962E+00 5.76053962E+00

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Solver SBB-IPOPT-PL0 much faster - Obj of SBB-CONOPT better:

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
beuster86.40004.580018.865 1.16431316E+05 1.19870218E+05
waterx112.82002.220050.820 9.38862849E+02 9.87003428E+02

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Solver SBB-IPOPT-PL0 much faster - Obj same for both solvers:

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
eg_int_s23.110010.31002.242 6.45310316E+00 6.45310316E+00

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Solver SBB-IPOPT-PL0 much faster - Obj of SBB-IPOPT-PL0 better:

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
mbtd3600.32001514.34002.377 5.91666000E+00 4.66666000E+00
stockcycle98.010030.59003.204 1.43295165E+05 1.19948688E+05

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Solver SBB-IPOPT-PL0 infinitely faster - Obj of SBB-IPOPT-PL0 better:

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
deb7infeasible 2058.5700 -- 1.43492391E+02 1.16584559E+02
deb8infeasible 3195.1200 -- 2.49467682E+03 1.16584559E+02
feedtray2infeasible 450.2000 -- 0.00000000E+00 0.00000000E+00
st_e13infeasible 0.0100 -- 1.00000000E+00 2.00000000E+00
st_e15infeasible 0.0200 -- 3.00000000E+00 7.66718007E+00
st_e31infeasible 0.7800 -- 0.00000000E+00 -2.00000000E+00
st_e36infeasible 0.1200 -- 0.00000000E+00 -2.46000000E+02
tltrinfeasible 1696.3500 -- 0.00000000E+00 4.80666667E+01

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT) Obj (SBB-IPOPT-PL0)
fo7fail fail -- 0.00000000E+00 0.00000000E+00
o7fail fail -- 0.00000000E+00 0.00000000E+00
pb302095fail fail -- 0.00000000E+00 0.00000000E+00
pb351595fail fail -- 0.00000000E+00 0.00000000E+00
st_e40infeasible infeasible -- 4.41421350E+00 4.41421350E+00
tln12fail fail -- 0.00000000E+00 0.00000000E+00
tln7fail fail -- 0.00000000E+00 0.00000000E+00
tls12fail fail -- 0.00000000E+00 0.00000000E+00
tls6fail fail -- 0.00000000E+00 0.00000000E+00
tls7fail fail -- 0.00000000E+00 0.00000000E+00

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