Resource Times:

Date / Time: 09/01/07 15:37:02


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 :4-SBB-4.trc
Tracefile 2 :5-SBB-5.trc
Solvers used : SBB-CONOPT_IPOPT
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_IPOPT better Obj same Obj SBB-IPOPT-PL0 better
Solver SBB-CONOPT_IPOPT infinitely faster : 12 12 - -
Solver SBB-CONOPT_IPOPT much faster : 77 13 53 11
Solver SBB-CONOPT_IPOPT faster : 26 1 19 6
Solvers perform the same : 24 - 24 -
Solver SBB-IPOPT-PL0 faster : 6 1 3 2
Solver SBB-IPOPT-PL0 much faster : 8 1 3 4
Solver SBB-IPOPT-PL0 infinitely faster :- - - -
Both solvers failed to solve optimally : 12 - 12 -
Total models: : 1652811423




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_IPOPT infinitely faster - Obj of SBB-CONOPT_IPOPT better:

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
blendgap0.0300unbounded -- 0.00000000E+00 -1.91364478E+04
dosemin2d3600.0300fail -- 1.73980583E+02 0.00000000E+00
fuzzy182.1300fail -- -4.88877286E-01 -5.12740304E-01
meanvarxsc0.0100fail -- 1.43692321E+01 0.00000000E+00
oil20.4400fail -- -7.33260012E-01 -7.33353049E-01
pb3020353600.5000fail -- 3.80440300E+06 0.00000000E+00
pb3515352349.0900fail -- 4.48528800E+06 0.00000000E+00
water33600.0100fail -- 1.02878682E+03 0.00000000E+00
waters1099.9200fail -- 1.74336673E+03 0.00000000E+00
watersbp452.3500fail -- 9.07016996E+02 0.00000000E+00
watersym13600.0000fail -- 1.17873854E+03 0.00000000E+00
watersym23511.3700fail -- 1.19396310E+03 0.00000000E+00

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

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
cecil_135.31003603.21000.001 -1.15544840E+05 -1.10372429E+05
contvar17.9100100.24000.179 8.09149827E+05 8.13745124E+05
du-opt1.73003.97000.436 3.56108965E+00 3.56468638E+00
enpro48pb3.15003600.80000.001 1.87277259E+05 1.92284621E+05
enpro56pb126.41003600.00000.035 2.63428301E+05 2.63703235E+05
ex1252a2.96003600.05000.001 1.28893741E+05 1.43555088E+05
ex1263129.25001591.99000.081 1.96000000E+01 2.26000000E+01
ex1264222.24001863.44000.119 8.60000000E+00 9.60000000E+00
ex3pb0.26003600.01000.000 6.80097441E+01 9.58848500E+01
qapw3.73001430.60000.003 3.88870000E+05 3.91288000E+05
space2590.11002368.10000.038 4.84328644E+02 4.87074333E+02
util0.06005.19000.012 9.99897308E+02 1.00856681E+03
water4282.74003600.21000.079 9.13157068E+02 9.22528005E+02

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

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
batch0.72001.64000.439 2.85506508E+05 2.85506508E+05
batchdes0.10000.30000.333 1.67427657E+05 1.67427657E+05
deb100.33000.96000.344 2.09427812E+02 2.09427812E+02
deb615.310052.19000.293 2.01739305E+02 2.01739305E+02
deb7264.73002058.57000.129 1.16584559E+02 1.16584559E+02
deb875.26003195.12000.024 1.16584559E+02 1.16584559E+02
deb928.69002015.49000.014 1.16584559E+02 1.16584559E+02
du-opt520.820052.47000.397 8.07365758E+00 8.07365758E+00
enpro483.32001968.93000.002 1.87277259E+05 1.87277259E+05
enpro56116.06001912.07000.061 2.63428301E+05 2.63428301E+05
ex12240.05000.19000.263 -9.43470500E-01 -9.43470500E-01
ex12250.05000.17000.294 3.10000000E+01 3.10000000E+01
ex12430.130050.38000.003 8.34025064E+04 8.34025064E+04
ex12440.1800254.83000.001 8.20429052E+04 8.20429052E+04
ex12523.1600278.99000.011 1.28893741E+05 1.28893741E+05
ex1263a8.170032.26000.253 1.96000000E+01 1.96000000E+01
ex12669.1500559.33000.016 1.63000000E+01 1.63000000E+01
ex1266a0.960018.36000.052 1.63000000E+01 1.63000000E+01
ex30.22001.05000.210 6.80097441E+01 6.80097441E+01
ex42.100014.03000.150 -8.06413616E+00 -8.06413616E+00
fac10.02001.8700--- 1.60912612E+08 1.60912612E+08
fac20.280049.53000.006 3.31837498E+08 3.31837498E+08
fac30.19007.17000.026 3.19823098E+07 3.19823098E+07
feedtray275.6600450.20000.168 0.00000000E+00 0.00000000E+00
fuel0.05000.19000.263 8.56611896E+03 8.56611896E+03
gear0.570032.01000.018 0.00000000E+00 1.54504505E-10
gear216.8600286.33000.059 9.74565345E-10 2.46275507E-08
gear30.6700224.41000.003 0.00000000E+00 9.92157960E-10
gear438.0400364.54000.104 1.64342847E+00 1.64342847E+00
johnall2.050014.53000.141 -2.24730162E+02 -2.24730162E+02
minlphix1.140054.82000.021 3.16692695E+02 3.16692695E+02
hmittelman7.070022.84000.310 1.30000000E+01 1.30000000E+01
nvs010.07000.16000.438 1.24696688E+01 1.24696688E+01
nvs020.10000.55000.182 5.96418452E+00 5.96418452E+00
nvs030.05000.15000.333 1.60000000E+01 1.60000000E+01
nvs050.07003.48000.020 5.47093411E+00 5.47093411E+00
ortez0.62007.02000.088 -9.53203905E+03 -9.53203905E+03
parallel0.39002.34000.167 9.24295551E+02 9.24295551E+02
procsel0.04001.0700--- -1.92309874E+00 -1.92309874E+00
pump0.07000.44000.159 1.34263585E+05 1.34263585E+05
ravem2.8200144.86000.019 2.69590219E+05 2.69590219E+05
ravempb1.540051.32000.030 2.69590219E+05 2.69590219E+05
risk2b0.370032.02000.012 -5.57361685E+01 -5.57361685E+01
risk2bpb0.430020.71000.021 -5.57361685E+01 -5.57361685E+01
spectra21.270021.84000.058 1.39783059E+01 1.39783226E+01
spring0.60001.60000.375 8.46245666E-01 8.46245666E-01
st_e310.10000.78000.128 -2.00000000E+00 -2.00000000E+00
st_test50.04000.6400--- -1.10000000E+02 -1.10000000E+02
st_test60.11000.73000.151 4.71000000E+02 4.71000000E+02
synheat1.330012.80000.104 1.54997335E+05 1.54997335E+05
synthes20.08000.42000.190 7.30353125E+01 7.30353125E+01
synthes30.16001.31000.122 6.80097405E+01 6.80097405E+01
tloss2.110030.72000.069 1.63000000E+01 1.63000000E+01

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

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
elf0.4700121.75000.004 4.34666666E-01 1.91666667E-01
eniplac316.43003600.06000.088 -1.30344370E+05 -1.31598904E+05
ex12330.71009.98000.071 1.55522462E+05 1.55010671E+05
ex1265153.2800826.64000.185 1.33000000E+01 1.03000000E+01
gasnet0.08005.22000.015 7.04532689E+06 6.99938156E+06
lop97icx218.29003356.67000.065 4.18494489E+03 4.12786969E+03
nuclear14a1.33002.69000.494 -1.12821323E+00 -1.12963353E+00
nuclear24a1.32002.70000.489 -1.12821323E+00 -1.12963353E+00
qap6.200066.34000.093 3.95738000E+05 3.88214000E+05
st_e350.01003.8600--- 1.17178934E+05 6.48680769E+04
st_testgr30.03004.0600--- -2.04688000E+01 -2.05274000E+01

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

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
csched2a5.43009.01000.603 -1.65398701E+05 -1.64403509E+05

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

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
csched11.01001.25000.808 -3.06392578E+04 -3.06392578E+04
ex12230.04000.2100--- 4.57958240E+00 4.57958240E+00
ex1223b0.03000.1700--- 4.57958240E+00 4.57958240E+00
gkocis0.03000.1900--- -1.92309874E+00 -1.92309874E+00
m31.17001.76000.665 3.78000000E+01 3.78000000E+01
nous10.34000.65000.523 1.56707200E+00 1.56707200E+00
nous21.37001.56000.878 6.25967412E-01 6.25967418E-01
nvs040.02000.1500--- 7.20000000E-01 7.20000000E-01
nvs070.08000.11000.727 4.00000000E+00 4.00000000E+00
st_e140.04000.1900--- 4.57958240E+00 4.57958240E+00
st_e290.04000.1800--- -9.43470500E-01 -9.43470500E-01
st_e320.96001.35000.711 -1.43040728E+00 -1.43040728E+00
st_miqp10.01000.1400--- 2.81000000E+02 2.81000000E+02
st_miqp20.01000.2800--- 2.00000000E+00 2.00000000E+00
st_testgr10.03000.2900--- -1.27281000E+01 -1.27281000E+01
synthes10.01000.1200--- 6.00975891E+00 6.00975891E+00
var_con101.90002.95000.644 4.44213954E+02 4.44213954E+02
var_con52.62003.64000.720 2.78144894E+02 2.78144894E+02
windfac0.01000.1800--- 2.54487298E-01 2.54487298E-01

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

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
4stufen2.49002.78000.896 1.16340860E+05 1.16329734E+05
csched1a0.02000.2800--- -3.02797471E+04 -3.02885046E+04
csched229.800041.37000.720 -1.65888736E+05 -1.66037846E+05
eg_disc2_s6.21007.74000.802 5.93637221E+00 5.64950591E+00
ex1265a4.33004.92000.880 1.06000000E+01 1.03000000E+01
meanvarx0.01000.2700--- 1.44969830E+01 1.44040623E+01

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Solvers perform the same - Obj same for both solvers:

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
alan0.04000.0900--- 2.92500000E+00 2.92500000E+00
ex12210.01000.0100--- 7.66718007E+00 7.66718007E+00
ex12220.03000.0600--- 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
nvs060.01000.0700--- 1.77031250E+00 1.77031250E+00
nvs080.03000.0700--- 2.34497273E+01 2.34497273E+01
nvs090.00000.0100--- -4.31343369E+01 -4.31343369E+01
nvs100.01000.0500--- -3.10800000E+02 -3.10800000E+02
oaer0.00000.0800--- -1.92309854E+00 -1.92309846E+00
prob020.01000.0400--- 1.12235000E+05 1.12235000E+05
prob030.01000.0500--- 1.00000000E+01 1.00000000E+01
prob100.01000.1000--- 3.44550379E+00 3.44550379E+00
st_e130.01000.0100--- 2.00000000E+00 2.00000000E+00
st_e150.01000.0200--- 7.66718007E+00 7.66718007E+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
tltr1662.79001696.35000.980 4.80666667E+01 4.80666667E+01

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

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
space25a12.95008.80001.472 4.84328644E+02 4.87074333E+02

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

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
eg_disc_s13.77008.07001.706 5.76053962E+00 5.76053962E+00
ex1264a18.810011.29001.666 8.60000000E+00 8.60000000E+00
st_e360.20000.12001.667 -2.46000000E+02 -2.46000000E+02

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

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
m6351.4800255.33001.377 1.29824936E+02 1.06256877E+02
m7425.1600266.15001.597 1.23964378E+02 1.18756877E+02

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

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
waterx126.82002.220057.126 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_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
eg_all_s578.230050.710011.403 7.92018223E+00 7.92018223E+00
eg_int_s23.450010.31002.274 6.45310316E+00 6.45310316E+00
gastrans8.10000.86009.419 8.90858400E+01 8.90858400E+01

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

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
mbtd3600.35001514.34002.378 5.91666000E+00 4.66666000E+00
nuclearva36.250013.61002.663 -1.01012730E+00 -1.01123773E+00
stockcycle98.600030.59003.223 1.43295165E+05 1.19948688E+05
beuster3600.00004.5800786.026 1.24839343E+05 1.19870218E+05

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

Modelname Time (SBB-CONOPT_IPOPT) Time (SBB-IPOPT-PL0) Ratio (SBB-CONOPT_IPOPT / SBB-IPOPT-PL0) Obj (SBB-CONOPT_IPOPT) Obj (SBB-IPOPT-PL0)
fo7fail fail -- 0.00000000E+00 0.00000000E+00
hdafail 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
tln6fail 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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