Resource Times:

Date / Time: 09/01/07 15:37:00


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 :3-SBB-3.trc
Solvers used : SBB-CONOPT
SBB-IPOPT-WS
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-WS better
Solver SBB-CONOPT infinitely faster : 17 17 - -
Solver SBB-CONOPT much faster : 73 13 48 12
Solver SBB-CONOPT faster : 26 4 19 3
Solvers perform the same : 25 - 24 1
Solver SBB-IPOPT-WS faster : 1 - - 1
Solver SBB-IPOPT-WS much faster : 6 4 1 1
Solver SBB-IPOPT-WS infinitely faster : 8 - - 8
Both solvers failed to solve optimally : 10 - 10 -
Total models: : 1663810226




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-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
blendgap0.0300unbounded -- 0.00000000E+00 -1.91364478E+04
dosemin2d666.9700fail -- 1.73980583E+02 0.00000000E+00
fac20.2100fail -- 3.31837498E+08 0.00000000E+00
fuzzy184.6600fail -- -4.88877286E-01 -5.12740304E-01
hda10.1400fail -- -5.59804813E+03 0.00000000E+00
mbtd3600.3200fail -- 5.91666000E+00 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
qap6.2000fail -- 3.95738000E+05 0.00000000E+00
water3111.8800fail -- 9.07016996E+02 0.00000000E+00
water451.3900fail -- 9.13157068E+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-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
cecil_135.30003600.80000.001 -1.15544840E+05 -1.13308833E+05
contvar17.840040.72000.438 8.09149827E+05 8.13745124E+05
eg_all_s16.4400135.81000.121 7.92018223E+00 7.95879555E+00
enpro5631.51003600.00000.009 2.63428301E+05 2.63703235E+05
enpro56pb22.48003600.18000.006 2.63428301E+05 2.66376497E+05
ex1252a0.75003600.14000.000 1.28893741E+05 1.43555088E+05
ex126329.44001630.28000.018 1.96000000E+01 3.36000000E+01
ex42.17003600.00000.001 -8.06413616E+00 2.71369187E+04
qapw3.6700931.22000.004 3.88870000E+05 3.92610000E+05
ravem0.88003600.79000.000 2.69590219E+05 2.83851860E+05
space2585.43002943.90000.029 4.84328644E+02 4.87074333E+02
tln635.1900202.91000.173 1.63000000E+01 2.47000000E+01
util0.080010.52000.008 9.99897308E+02 1.00856681E+03

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
batch0.23001.76000.131 2.85506508E+05 2.85506508E+05
deb100.23001.11000.207 2.09427812E+02 2.09427812E+02
deb66.900078.02000.088 2.01739305E+02 2.01739305E+02
deb922.76001564.53000.015 1.16584559E+02 1.16584559E+02
du-opt520.820046.44000.448 8.07365758E+00 8.07365758E+00
enpro483.39001817.71000.002 1.87277259E+05 1.87277259E+05
enpro48pb3.18002518.24000.001 1.87277259E+05 1.87277259E+05
ex12230.06000.18000.333 4.57958240E+00 4.57958240E+00
ex12430.140052.81000.003 8.34025064E+04 8.34025065E+04
ex12440.1700209.34000.001 8.20429052E+04 8.20429052E+04
ex12521.3000108.70000.012 1.28893741E+05 1.28893741E+05
ex1263a3.600028.27000.127 1.96000000E+01 1.96000000E+01
ex126440.3000419.96000.096 8.60000000E+00 8.60002238E+00
ex1264a5.080045.67000.111 8.60000000E+00 8.60000000E+00
ex12665.3300447.64000.012 1.63000000E+01 1.63000000E+01
ex1266a0.450015.51000.029 1.63000000E+01 1.63000000E+01
ex30.18001.33000.135 6.80097441E+01 6.80097441E+01
ex3pb0.24001.88000.128 6.80097441E+01 6.80097441E+01
fac30.290018.32000.016 3.19823098E+07 3.19823098E+07
gear0.6400217.79000.003 0.00000000E+00 8.88761437E-10
gear214.950034.71000.431 9.74565345E-10 9.92157958E-10
gear30.640030.51000.021 0.00000000E+00 9.92157958E-10
gear433.5200473.97000.071 1.64342847E+00 1.64342847E+00
johnall1.960015.87000.124 -2.24730162E+02 -2.24730162E+02
m30.40001.99000.201 3.78000000E+01 3.78000000E+01
minlphix0.110015.16000.007 3.16692695E+02 3.16692695E+02
hmittelman0.51001087.39000.000 1.30000000E+01 1.30000000E+01
nous10.03000.9000--- 1.56707200E+00 1.56707200E+00
nous20.03001.0900--- 6.25967412E-01 6.25967428E-01
nvs020.04000.5800--- 5.96418452E+00 5.96418452E+00
nvs050.05003.52000.014 5.47093411E+00 5.47093411E+00
ortez0.15006.27000.024 -9.53203905E+03 -9.53203905E+03
parallel0.40003.75000.107 9.24295551E+02 9.24295558E+02
pump0.02004.7200--- 1.34263585E+05 1.34263585E+05
ravempb0.6000175.14000.003 2.69590219E+05 2.69590219E+05
risk2b0.390037.99000.010 -5.57361685E+01 -5.57361685E+01
risk2bpb0.42005.35000.079 -5.57361685E+01 -5.57361685E+01
spectra21.31005.88000.223 1.39783059E+01 1.39783059E+01
spring0.07000.98000.071 8.46245666E-01 8.46245666E-01
st_e290.05000.18000.278 -9.43470500E-01 -9.43470500E-01
st_e320.14001.31000.107 -1.43040728E+00 -1.43040728E+00
st_test50.06000.71000.085 -1.10000000E+02 -1.10000000E+02
st_test60.09000.74000.122 4.71000000E+02 4.71000000E+02
synheat1.220018.08000.067 1.54997335E+05 1.54997335E+05
synthes20.04000.6600--- 7.30353125E+01 7.30353126E+01
synthes30.18003.43000.052 6.80097405E+01 6.80097407E+01
tloss0.480019.53000.025 1.63000000E+01 1.63000000E+01
var_con51.78003.71000.480 2.78144894E+02 2.78144894E+02

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
csched229.9200168.12000.178 -1.65888736E+05 -1.66037846E+05
elf0.560078.63000.007 4.34666666E-01 1.91666667E-01
eniplac12.87003600.32000.004 -1.30344370E+05 -1.31598904E+05
ex12330.670014.20000.047 1.55522462E+05 1.55010671E+05
ex12651.5300827.98000.002 1.13000000E+01 1.03000000E+01
ex1265a0.11007.42000.015 1.51000000E+01 1.06000000E+01
gasnet0.09008.02000.011 7.04532689E+06 6.99938156E+06
lop97icx218.60002990.34000.073 4.18494489E+03 4.17412307E+03
nuclear14a1.33003.03000.439 -1.12821323E+00 -1.12963353E+00
nuclear24a1.33003.03000.439 -1.12821323E+00 -1.12963353E+00
st_e350.01002.7200--- 1.17178934E+05 6.48680768E+04
st_testgr30.06003.15000.019 -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-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
csched2a5.33007.93000.672 -1.65398701E+05 -1.64403509E+05
du-opt1.74002.76000.630 3.56108965E+00 3.56468638E+00
m7223.4600357.24000.626 1.23964378E+02 1.44505315E+02
space25a9.590013.62000.704 4.84328644E+02 4.87074333E+02

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
alan0.01000.1800--- 2.92500000E+00 2.92500000E+00
batchdes0.04000.2800--- 1.67427657E+05 1.67427657E+05
csched10.70000.87000.805 -3.06392578E+04 -3.06392578E+04
ex1223b0.00000.1600--- 4.57958240E+00 4.57958240E+00
ex12240.08000.16000.500 -9.43470500E-01 -9.43470500E-01
ex12250.02000.1800--- 3.10000000E+01 3.10000000E+01
fac10.01000.4200--- 1.60912612E+08 1.60912612E+08
fuel0.01000.2100--- 8.56611896E+03 8.56611896E+03
gastrans0.55001.06000.519 8.90858400E+01 8.90858400E+01
gkocis0.03000.5100--- -1.92309874E+00 -1.92309874E+00
nvs010.01000.1600--- 1.24696688E+01 1.24696688E+01
nvs030.02000.1300--- 1.60000000E+01 1.60000000E+01
nvs040.02000.1300--- 7.20000000E-01 7.20000000E-01
procsel0.03000.4700--- -1.92309874E+00 -1.92309874E+00
st_e140.02000.1800--- 4.57958240E+00 4.57958240E+00
st_miqp20.03000.2700--- 2.00000000E+00 2.00000000E+00
st_testgr10.04000.2800--- -1.27281000E+01 -1.27281000E+01
var_con101.51002.75000.549 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-WS better:

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
4stufen2.40003.17000.757 1.16340860E+05 1.16329734E+05
m6196.7700248.88000.791 1.29824936E+02 8.22568769E+01
meanvarx0.02000.2700--- 1.44969830E+01 1.44040623E+01

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Solvers perform the same - Obj same for both solvers:

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
ex12210.01000.0100--- 7.66718007E+00 7.66718007E+00
ex12220.01000.0600--- 1.07654308E+00 1.07654308E+00
ex1223a0.01000.0900--- 4.57958240E+00 4.57958240E+00
ex12260.00000.0200--- -1.70000000E+01 -1.70000000E+01
feedtray0.03000.0500--- -1.34059977E+01 -1.34059977E+01
gbd0.00000.0300--- 2.20000000E+00 2.20000000E+00
nvs060.00000.0700--- 1.77031250E+00 1.77031250E+00
nvs070.02000.1100--- 4.00000000E+00 4.00000000E+00
nvs080.04000.0800--- 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 -1.92309848E+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
sep10.01000.1000--- -5.10080984E+02 -5.10080984E+02
st_e270.00000.0000--- 2.00000000E+00 2.00000000E+00
st_e380.00000.0100--- 7.19772715E+03 7.19772715E+03
st_miqp30.00000.0300--- -6.00000000E+00 -6.00000000E+00
st_miqp40.00000.0600--- -4.57400000E+03 -4.57400000E+03
st_miqp50.00000.0200--- -3.33888889E+02 -3.33888889E+02
st_test80.01000.0500--- -2.96050000E+04 -2.96050000E+04
st_testph40.02000.0700--- -8.05000000E+01 -8.05000000E+01
synthes10.03000.1000--- 6.00975891E+00 6.00975891E+00

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Solvers perform the same - Obj of SBB-IPOPT-WS better:

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
csched1a0.04000.1300--- -3.02797471E+04 -3.04301768E+04

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Solver SBB-IPOPT-WS faster - Obj of SBB-IPOPT-WS better:

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
stockcycle98.010049.29001.988 1.43295165E+05 1.19948688E+05

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
beuster86.40004.960017.419 1.16431316E+05 1.19870218E+05
eg_int_s23.11007.13003.241 6.45310316E+00 7.88724302E+00
nuclearva6.02001.73003.480 -1.01012730E+00 -1.00739866E+00
waterx112.82001.580071.405 9.38862849E+02 1.00387666E+03

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
eg_disc_s13.81004.70002.938 5.76053962E+00 5.76053962E+00

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
eg_disc2_s6.24002.64002.364 5.93637221E+00 5.64950591E+00

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

Modelname Time (SBB-CONOPT) Time (SBB-IPOPT-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
deb7infeasible 1406.1000 -- 1.43492391E+02 1.16584560E+02
deb8infeasible 2502.2900 -- 2.49467682E+03 1.16584559E+02
feedtray2infeasible 502.7100 -- 0.00000000E+00 1.72344169E-10
st_e13infeasible 0.0100 -- 1.00000000E+00 2.00000000E+00
st_e15infeasible 0.0100 -- 3.00000000E+00 7.66718007E+00
st_e31infeasible 1.4600 -- 0.00000000E+00 -2.00000000E+00
st_e36infeasible 0.1100 -- 0.00000000E+00 -2.46000000E+02
tltrinfeasible 1534.0100 -- 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-WS) Ratio (SBB-CONOPT / SBB-IPOPT-WS) Obj (SBB-CONOPT) Obj (SBB-IPOPT-WS)
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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