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 :2-AlphaECP-1_noSOSsemicon.trc
Solvers used : SBB-CONOPT
AlphaECP-CPLEX
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 AlphaECP-CPLEX better
Solver SBB-CONOPT infinitely faster : 36 36 - -
Solver SBB-CONOPT much faster : 80 22 39 19
Solver SBB-CONOPT faster : 3 - 1 2
Solvers perform the same : 7 4 2 1
Solver AlphaECP-CPLEX faster :- - - -
Solver AlphaECP-CPLEX much faster : 17 11 1 5
Solver AlphaECP-CPLEX infinitely faster : 7 - - 7
Both solvers failed to solve optimally : 11 - 11 -
Total models: : 161735434




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 (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
4stufen2.4000infeasible -- 1.16340860E+05 1.00000000E+20
beuster86.4000infeasible -- 1.16431316E+05 1.00000000E+20
blendgap0.0300fail -- 0.00000000E+00 1.00000000E+20
deb100.2300infeasible -- 2.09427812E+02 1.00000000E+20
deb66.9000infeasible -- 2.01739305E+02 1.00000000E+20
deb922.7600infeasible -- 1.16584559E+02 1.00000000E+20
enpro483.3900fail -- 1.87277259E+05 1.00000000E+20
enpro5631.5100fail -- 2.63428301E+05 1.00000000E+20
ex12210.0100fail -- 7.66718007E+00 1.00000000E+20
ex12521.3000fail -- 1.28893741E+05 1.00000000E+20
ex1252a0.7500fail -- 1.28893741E+05 1.00000000E+20
ex30.1800fail -- 6.80097441E+01 1.00000000E+20
feedtray0.0300infeasible -- -1.34059977E+01 1.00000000E+20
gasnet0.0900fail -- 7.04532689E+06 1.00000000E+20
hda10.1400infeasible -- -5.59804813E+03 1.00000000E+20
lop97icx218.6000fail -- 4.18494489E+03 1.00000000E+20
nous10.0300fail -- 1.56707200E+00 1.00000000E+20
nous20.0300fail -- 6.25967412E-01 1.00000000E+20
nuclear14a1.3300infeasible -- -1.12821323E+00 1.00000000E+20
nuclear24a1.3300infeasible -- -1.12821323E+00 1.00000000E+20
nuclearva6.0200infeasible -- -1.01012730E+00 1.00000000E+20
nvs010.0100fail -- 1.24696688E+01 1.00000000E+20
nvs020.0400fail -- 5.96418452E+00 1.00000000E+20
nvs050.0500fail -- 5.47093411E+00 1.00000000E+20
oil20.4500infeasible -- -7.33260012E-01 1.00000000E+20
pump0.0200fail -- 1.34263585E+05 1.00000000E+20
ravem0.8800fail -- 2.69590219E+05 1.00000000E+20
risk2b0.3900fail -- -5.57361685E+01 1.00000000E+20
space2585.4300fail -- 4.84328644E+02 1.00000000E+20
space25a9.5900fail -- 4.84328644E+02 1.00000000E+20
spring0.0700infeasible -- 8.46245666E-01 1.00000000E+20
st_e320.1400fail -- -1.43040728E+00 1.00000000E+20
var_con101.5100infeasible -- 4.44213954E+02 1.00000000E+20
var_con51.7800infeasible -- 2.78144894E+02 1.00000000E+20
water451.3900fail -- 9.13157068E+02 1.00000000E+20
windfac0.0000fail -- 2.54487298E-01 1.00000000E+20

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

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
cecil_135.300078.00000.068 -1.15544840E+05 -1.05505796E+05
contvar17.84003601.00000.005 8.09149827E+05 1.98647509E+06
csched10.700026.00000.027 -3.06392578E+04 -3.02885046E+04
csched229.92003600.00000.008 -1.65888736E+05 -1.55538614E+05
csched2a5.33003600.00000.001 -1.65398701E+05 -1.50847174E+05
dosemin2d666.97003600.00000.185 1.73980583E+02 5.10609279E+02
elf0.56005.00000.112 4.34666666E-01 1.58568780E+00
ex12240.08002.00000.040 -9.43470500E-01 -7.19370688E-01
ex12430.14001.00000.140 8.34025064E+04 5.15069761E+05
ex12440.17001.00000.170 8.20429052E+04 9.54152333E+04
gastrans0.55008.00000.069 8.90858400E+01 8.91353529E+01
hmittelman0.51003600.00000.000 1.30000000E+01 2.10000000E+01
nvs040.02005.0000--- 7.20000000E-01 2.12000000E+00
ortez0.15007.00000.021 -9.53203905E+03 -1.28489817E-02
parallel0.40001.00000.400 9.24295551E+02 1.37168965E+04
qap6.200014.00000.443 3.95738000E+05 3.99894000E+05
qapw3.6700635.00000.006 3.88870000E+05 3.99406000E+05
sep10.01002.0000--- -5.10080984E+02 -4.65466997E+02
st_e290.05001.00000.050 -9.43470500E-01 -7.19370688E-01
stockcycle98.01003600.00000.027 1.43295165E+05 4.36419130E+05
tln635.1900495.00000.071 1.63000000E+01 1.71000000E+01
util0.08007.00000.011 9.99897308E+02 1.00300239E+03

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

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
alan0.01001.0000--- 2.92500000E+00 2.92500000E+00
batch0.23002.00000.115 2.85506508E+05 2.85506481E+05
batchdes0.04002.0000--- 1.67427657E+05 1.67427656E+05
enpro48pb3.180027.00000.118 1.87277259E+05 1.87277259E+05
ex12230.06003.00000.020 4.57958240E+00 4.57957678E+00
ex1223a0.01003.0000--- 4.57958240E+00 4.57957997E+00
ex1223b0.00003.0000--- 4.57958240E+00 4.57957678E+00
ex1265a0.11001.00000.110 1.51000000E+01 1.51000000E+01
ex1266a0.45001.00000.450 1.63000000E+01 1.63000000E+01
fac10.010083.0000--- 1.60912612E+08 1.60912612E+08
fac20.210088.00000.002 3.31837498E+08 3.31837498E+08
fac30.29008.00000.036 3.19823098E+07 3.19823098E+07
fuel0.01004.0000--- 8.56611896E+03 8.56611451E+03
gbd0.00001.0000--- 2.20000000E+00 2.20000000E+00
m30.40002.00000.200 3.78000000E+01 3.78000000E+01
minlphix0.11003.00000.037 3.16692695E+02 3.16692380E+02
nvs030.02001.0000--- 1.60000000E+01 1.60000000E+01
nvs060.00001.0000--- 1.77031250E+00 1.77031250E+00
nvs070.02001.0000--- 4.00000000E+00 4.00000000E+00
nvs080.04004.0000--- 2.34497273E+01 2.34495073E+01
nvs090.00001.0000--- -4.31343369E+01 -4.31343371E+01
nvs100.02002.0000--- -3.10800000E+02 -3.10800000E+02
prob020.01001.0000--- 1.12235000E+05 1.12235000E+05
ravempb0.60004.00000.150 2.69590219E+05 2.69590219E+05
st_e140.02002.0000--- 4.57958240E+00 4.57957678E+00
st_e270.00001.0000--- 2.00000000E+00 2.00000000E+00
st_e380.00001.0000--- 7.19772715E+03 7.19772715E+03
st_miqp10.03001.0000--- 2.81000000E+02 2.81000000E+02
st_miqp20.03001.0000--- 2.00000000E+00 2.00000000E+00
st_miqp30.00001.0000--- -6.00000000E+00 -6.00000000E+00
st_miqp40.00001.0000--- -4.57400000E+03 -4.57400000E+03
st_miqp50.00001.0000--- -3.33888889E+02 -3.33889031E+02
st_test50.06001.00000.060 -1.10000000E+02 -1.10000000E+02
st_test60.09001.00000.090 4.71000000E+02 4.71000000E+02
st_test80.01001.0000--- -2.96050000E+04 -2.96050000E+04
st_testph40.02001.0000--- -8.05000000E+01 -8.05000000E+01
synheat1.220028.00000.044 1.54997335E+05 1.54997335E+05
synthes30.18004.00000.045 6.80097405E+01 6.80093274E+01
tloss0.48001.00000.480 1.63000000E+01 1.63000000E+01

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

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
csched1a0.04002.0000--- -3.02797471E+04 -3.04301771E+04
du-opt520.8200453.00000.046 8.07365758E+00 8.07307759E+00
du-opt1.74001124.00000.002 3.56108965E+00 3.55567908E+00
eniplac12.87003600.00000.004 -1.30344370E+05 -1.31143926E+05
ex12220.01001.0000--- 1.07654308E+00 1.07611140E+00
ex12330.6700686.00000.001 1.55522462E+05 1.55010670E+05
ex3pb0.240019.00000.013 6.80097441E+01 6.78834858E+01
ex42.17006.00000.362 -8.06413616E+00 -8.06499026E+00
gkocis0.03002.0000--- -1.92309874E+00 -1.92904678E+00
meanvarx0.02001.0000--- 1.44969830E+01 1.43690751E+01
oaer0.02001.0000--- -1.92309854E+00 -1.92622281E+00
prob100.02002.0000--- 3.44550379E+00 3.44472251E+00
procsel0.03002.0000--- -1.92309874E+00 -1.92405073E+00
risk2bpb0.42002.00000.210 -5.57361685E+01 -5.58761394E+01
spectra21.3100174.00000.008 1.39783059E+01 1.39722135E+01
st_testgr10.04002.0000--- -1.27281000E+01 -1.28116000E+01
st_testgr30.06001.00000.060 -2.04688000E+01 -2.05900000E+01
synthes10.03001.0000--- 6.00975891E+00 6.00965002E+00
synthes20.04005.0000--- 7.30353125E+01 7.30345496E+01

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

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
enpro56pb22.480033.00000.681 2.63428301E+05 2.63428274E+05

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

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
gear0.64001.00000.640 0.00000000E+00 -8.81687379E-04
gear30.64001.00000.640 0.00000000E+00 -8.81687379E-04

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

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
ex12250.02000.0000--- 3.10000000E+01 3.40000000E+01
ex12260.00000.0000--- -1.70000000E+01 -8.33333333E+00
fuzzy184.6600186.00000.993 -4.88877286E-01 -3.97226190E-01
mbtd3600.32003689.00000.976 5.91666000E+00 1.07500200E+01

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Solvers perform the same - Obj same for both solvers:

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
johnall1.96002.00000.980 -2.24730162E+02 -2.24730162E+02
prob030.02000.0000--- 1.00000000E+01 1.00000000E+01

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Solvers perform the same - Obj of AlphaECP-CPLEX better:

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
st_e350.01000.0000--- 1.17178934E+05 1.07419804E+05

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

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
eg_all_s16.44001.000016.440 7.92018223E+00 1.59032891E+01
eg_disc_s13.81002.00006.905 5.76053962E+00 1.20817980E+01
eg_disc2_s6.24001.00006.240 5.93637221E+00 1.39407327E+01
eg_int_s23.11001.000023.110 6.45310316E+00 1.54225990E+01
ex126329.44000.0000--- 1.96000000E+01 3.01000000E+01
ex1263a3.60000.0000--- 1.96000000E+01 3.01000000E+01
ex126440.30001.000040.300 8.60000000E+00 1.11000000E+01
ex1264a5.08000.0000--- 8.60000000E+00 1.11000000E+01
ex12651.53000.0000--- 1.13000000E+01 1.51000000E+01
gear433.52003.000011.173 1.64342847E+00 2.34384034E+03
pb3515352345.68003.0000781.893 4.48528800E+06 5.17505400E+06

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Solver AlphaECP-CPLEX much faster - Obj same for both solvers:

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
ex12665.33002.00002.665 1.63000000E+01 1.63000000E+01

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Solver AlphaECP-CPLEX much faster - Obj of AlphaECP-CPLEX better:

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
gear214.95001.000014.950 9.74565345E-10 -5.37629908E-04
m6196.77007.000028.110 1.29824936E+02 8.22568769E+01
m7223.460033.00006.772 1.23964378E+02 1.06756877E+02
pb3020353600.48002.00001800.240 3.80440300E+06 3.70914700E+06
waterx112.82009.000012.536 9.38862849E+02 9.28092168E+02

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Solver AlphaECP-CPLEX infinitely faster - Obj of AlphaECP-CPLEX better:

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
fo7fail 504.0000 -- 0.00000000E+00 2.07291844E+01
o7fail 3606.0000 -- 0.00000000E+00 1.53819887E+02
pb302095fail 19.0000 -- 0.00000000E+00 5.75331400E+06
pb351595fail 132.0000 -- 0.00000000E+00 6.74234600E+06
st_e31infeasible 2.0000 -- 0.00000000E+00 -1.98442883E+00
st_e36infeasible 1.0000 -- 0.00000000E+00 -2.43856813E+02
tltrinfeasible 1.0000 -- 0.00000000E+00 5.46000000E+01

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

Modelname Time (SBB-CONOPT) Time (AlphaECP-CPLEX) Ratio (SBB-CONOPT / AlphaECP-CPLEX) Obj (SBB-CONOPT) Obj (AlphaECP-CPLEX)
deb7infeasible infeasible -- 1.43492391E+02 1.00000000E+20
deb8infeasible infeasible -- 2.49467682E+03 1.00000000E+20
feedtray2infeasible infeasible -- 0.00000000E+00 1.00000000E+20
st_e13infeasible fail -- 1.00000000E+00 1.00000000E+20
st_e15infeasible fail -- 3.00000000E+00 1.00000000E+20
st_e40infeasible fail -- 4.41421350E+00 1.00000000E+20
tln12fail fail -- 0.00000000E+00 1.00000000E+20
tln7fail fail -- 0.00000000E+00 1.00000000E+20
tls12fail fail -- 0.00000000E+00 1.00000000E+20
tls6fail fail -- 0.00000000E+00 1.00000000E+20
tls7fail fail -- 0.00000000E+00 1.00000000E+20

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