Resource Times:

Date / Time: 09/28/07 19:37:07


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 :2-SBB-7.trc
Solvers used : SBB
SBB-MEMNDS1e+5
Modeltype(s)   MINLP
Threshold: Solver Faster 10%
Threshold: Solver Much Faster 50%
Threshold: Solver Infinitely Faster Other solver failed


Total Obj SBB better Obj same Obj SBB-MEMNDS1e+5 better
Solver SBB infinitely faster :- - - -
Solver SBB much faster : 6 - 3 3
Solver SBB faster : 12 - 12 -
Solvers perform the same : 122 - 122 -
Solver SBB-MEMNDS1e+5 faster : 9 - 9 -
Solver SBB-MEMNDS1e+5 much faster :- - - -
Solver SBB-MEMNDS1e+5 infinitely faster : 1 - - 1
Both solvers failed to solve optimally : 17 - 17 -
Total models: : 16701634




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 much faster - Obj same for both solvers:

Modelname Time (SBB) Time (SBB-MEMNDS1e+5) Ratio (SBB / SBB-MEMNDS1e+5) Obj (SBB) Obj (SBB-MEMNDS1e+5)
m7223.4600922.64000.242 1.23964378E+02 1.23964378E+02
tln635.1900381.21000.092 1.63000000E+01 1.63000000E+01
waters166.9900638.87000.261 1.74336673E+03 1.74336673E+03

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Solver SBB much faster - Obj of SBB-MEMNDS1e+5 better:

Modelname Time (SBB) Time (SBB-MEMNDS1e+5) Ratio (SBB / SBB-MEMNDS1e+5) Obj (SBB) Obj (SBB-MEMNDS1e+5)
lop97icx218.60001087.62000.201 4.18494489E+03 4.12626060E+03
m6196.7700741.75000.265 1.29824936E+02 8.22855188E+01
stockcycle98.0100371.49000.264 1.43295165E+05 1.20257788E+05

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Solver SBB faster - Obj same for both solvers:

Modelname Time (SBB) Time (SBB-MEMNDS1e+5) Ratio (SBB / SBB-MEMNDS1e+5) Obj (SBB) Obj (SBB-MEMNDS1e+5)
ex12440.17000.21000.810 8.20429052E+04 8.20429052E+04
ex30.18000.23000.783 6.80097441E+01 6.80097441E+01
fac20.21000.25000.840 3.31837498E+08 3.31837498E+08
gasnet0.09000.11000.818 7.04532689E+06 7.04532689E+06
gear30.64000.75000.853 0.00000000E+00 0.00000000E+00
nvs050.05000.06000.833 5.47093411E+00 5.47093411E+00
ortez0.15000.18000.833 -9.53203905E+03 -9.53203905E+03
parallel0.40000.45000.889 9.24295551E+02 9.24295551E+02
spring0.07000.09000.778 8.46245666E-01 8.46245666E-01
st_e320.14000.16000.875 -1.43040728E+00 -1.43040728E+00
st_test50.06000.09000.667 -1.10000000E+02 -1.10000000E+02
st_test60.09000.12000.750 4.71000000E+02 4.71000000E+02

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Solvers perform the same - Obj same for both solvers:

Modelname Time (SBB) Time (SBB-MEMNDS1e+5) Ratio (SBB / SBB-MEMNDS1e+5) Obj (SBB) Obj (SBB-MEMNDS1e+5)
4stufen2.40002.40001.000 1.16340860E+05 1.16340860E+05
alan0.01000.0300--- 2.92500000E+00 2.92500000E+00
batch0.23000.22001.045 2.85506508E+05 2.85506508E+05
batchdes0.04000.0400--- 1.67427657E+05 1.67427657E+05
beuster86.400085.56001.010 1.16431316E+05 1.16431316E+05
blendgap0.03000.0300--- 0.00000000E+00 0.00000000E+00
cecil_135.30005.37000.987 -1.15544840E+05 -1.15544840E+05
contvar17.840018.07000.987 8.09149827E+05 8.09149827E+05
csched10.70000.76000.921 -3.06392578E+04 -3.06392578E+04
csched1a0.04000.0400--- -3.02797471E+04 -3.02797471E+04
csched229.920029.96000.999 -1.65888736E+05 -1.65888736E+05
csched2a5.33005.41000.985 -1.65398701E+05 -1.65398701E+05
deb100.23000.22001.045 2.09427812E+02 2.09427812E+02
deb66.90006.88001.003 2.01739305E+02 2.01739305E+02
deb922.760022.83000.997 1.16584559E+02 1.16584559E+02
dosemin2d666.9700666.89001.000 1.73980583E+02 1.73980583E+02
du-opt520.820021.01000.991 8.07365758E+00 8.07365758E+00
du-opt1.74001.70001.024 3.56108965E+00 3.56108965E+00
eg_all_s16.440016.37001.004 7.92018223E+00 7.92018223E+00
eg_disc_s13.810013.82000.999 5.76053962E+00 5.76053962E+00
eg_disc2_s6.24006.23001.002 5.93637221E+00 5.93637221E+00
eg_int_s23.110023.33000.991 6.45310316E+00 6.45310316E+00
elf0.56000.56001.000 4.34666666E-01 4.34666666E-01
eniplac12.870012.87001.000 -1.30344370E+05 -1.30344370E+05
enpro483.39003.30001.027 1.87277259E+05 1.87277259E+05
enpro48pb3.18003.14001.013 1.87277259E+05 1.87277259E+05
enpro5631.510031.80000.991 2.63428301E+05 2.63428301E+05
enpro56pb22.480022.71000.990 2.63428301E+05 2.63428301E+05
ex12210.01000.0000--- 7.66718007E+00 7.66718007E+00
ex12220.01000.0100--- 1.07654308E+00 1.07654308E+00
ex1223a0.01000.0100--- 4.57958240E+00 4.57958240E+00
ex1223b0.00000.0200--- 4.57958240E+00 4.57958240E+00
ex12240.08000.0300--- -9.43470500E-01 -9.43470500E-01
ex12250.02000.0200--- 3.10000000E+01 3.10000000E+01
ex12260.00000.0000--- -1.70000000E+01 -1.70000000E+01
ex12330.67000.72000.931 1.55522462E+05 1.55522462E+05
ex12430.14000.13001.077 8.34025064E+04 8.34025064E+04
ex12521.30001.37000.949 1.28893741E+05 1.28893741E+05
ex1252a0.75000.81000.926 1.28893741E+05 1.28893741E+05
ex1264a5.08005.23000.971 8.60000000E+00 8.60000000E+00
ex12651.53001.51001.013 1.13000000E+01 1.13000000E+01
ex1265a0.11000.11001.000 1.51000000E+01 1.51000000E+01
ex12665.33005.32001.002 1.63000000E+01 1.63000000E+01
ex42.17002.22000.977 -8.06413616E+00 -8.06413616E+00
fac10.01000.0400--- 1.60912612E+08 1.60912612E+08
feedtray0.03000.0300--- -1.34059977E+01 -1.34059977E+01
fuel0.01000.0300--- 8.56611896E+03 8.56611896E+03
fuzzy184.6600184.51001.001 -4.88877286E-01 -4.88877286E-01
gastrans0.55000.60000.917 8.90858400E+01 8.90858400E+01
gbd0.00000.0000--- 2.20000000E+00 2.20000000E+00
gear0.64000.58001.103 0.00000000E+00 0.00000000E+00
gear214.950015.40000.971 9.74565345E-10 9.74565345E-10
gear433.520034.74000.965 1.64342847E+00 1.64342847E+00
hda10.140010.14001.000 -5.59804813E+03 -5.59804813E+03
johnall1.96002.05000.956 -2.24730162E+02 -2.24730162E+02
gkocis0.03000.0100--- -1.92309874E+00 -1.92309874E+00
m30.40000.41000.976 3.78000000E+01 3.78000000E+01
mbtd3600.32003600.46001.000 5.91666000E+00 5.91666000E+00
meanvarx0.02000.0200--- 1.44969830E+01 1.44969830E+01
meanvarxsc0.04000.0600--- 1.43692321E+01 1.43692321E+01
minlphix0.11000.10001.100 3.16692695E+02 3.16692695E+02
nous10.03000.0400--- 1.56707200E+00 1.56707200E+00
nous20.03000.0100--- 6.25967412E-01 6.25967412E-01
nuclear14a1.33001.33001.000 -1.12821323E+00 -1.12821323E+00
nuclear24a1.33001.33001.000 -1.12821323E+00 -1.12821323E+00
nuclearva6.02006.12000.984 -1.01012730E+00 -1.01012730E+00
nvs010.01000.0300--- 1.24696688E+01 1.24696688E+01
nvs020.04000.0400--- 5.96418452E+00 5.96418452E+00
nvs030.02000.0200--- 1.60000000E+01 1.60000000E+01
nvs040.02000.0200--- 7.20000000E-01 7.20000000E-01
nvs060.00000.0200--- 1.77031250E+00 1.77031250E+00
nvs070.02000.0200--- 4.00000000E+00 4.00000000E+00
nvs080.04000.0100--- 2.34497273E+01 2.34497273E+01
nvs090.00000.0000--- -4.31343369E+01 -4.31343369E+01
nvs100.02000.0000--- -3.10800000E+02 -3.10800000E+02
oaer0.02000.0100--- -1.92309854E+00 -1.92309854E+00
oil20.45000.43001.047 -7.33260012E-01 -7.33260012E-01
pb3020353600.48003600.45001.000 3.80440300E+06 3.80440300E+06
pb3515352345.68002344.63001.000 4.48528800E+06 4.48528800E+06
prob020.01000.0100--- 1.12235000E+05 1.12235000E+05
prob030.02000.0200--- 1.00000000E+01 1.00000000E+01
prob100.02000.0100--- 3.44550379E+00 3.44550379E+00
procsel0.03000.0600--- -1.92309874E+00 -1.92309874E+00
pump0.02000.0200--- 1.34263585E+05 1.34263585E+05
qap6.20006.20001.000 3.95738000E+05 3.95738000E+05
qapw3.67003.64001.008 3.88870000E+05 3.88870000E+05
ravem0.88000.90000.978 2.69590219E+05 2.69590219E+05
ravempb0.60000.58001.034 2.69590219E+05 2.69590219E+05
risk2b0.39000.36001.083 -5.57361685E+01 -5.57361685E+01
risk2bpb0.42000.43000.977 -5.57361685E+01 -5.57361685E+01
sep10.01000.0300--- -5.10080984E+02 -5.10080984E+02
space2585.430085.19001.003 4.84328644E+02 4.84328644E+02
space25a9.59009.88000.971 4.84328644E+02 4.84328644E+02
spectra21.31001.28001.023 1.39783059E+01 1.39783059E+01
st_e140.02000.0300--- 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_e350.01000.0100--- 1.17178934E+05 1.17178934E+05
st_e380.00000.0000--- 7.19772715E+03 7.19772715E+03
st_miqp10.03000.0200--- 2.81000000E+02 2.81000000E+02
st_miqp20.03000.0100--- 2.00000000E+00 2.00000000E+00
st_miqp30.00000.0000--- -6.00000000E+00 -6.00000000E+00
st_miqp40.00000.0100--- -4.57400000E+03 -4.57400000E+03
st_miqp50.00000.0100--- -3.33888889E+02 -3.33888889E+02
st_test80.01000.0000--- -2.96050000E+04 -2.96050000E+04
st_testgr10.04000.0500--- -1.27281000E+01 -1.27281000E+01
st_testgr30.06000.0400--- -2.04688000E+01 -2.04688000E+01
st_testph40.02000.0100--- -8.05000000E+01 -8.05000000E+01
synheat1.22001.26000.968 1.54997335E+05 1.54997335E+05
synthes10.03000.0200--- 6.00975891E+00 6.00975891E+00
synthes20.04000.0800--- 7.30353125E+01 7.30353125E+01
tloss0.48000.49000.980 1.63000000E+01 1.63000000E+01
util0.08000.08001.000 9.99897308E+02 9.99897308E+02
var_con101.51001.48001.020 4.44213954E+02 4.44213954E+02
var_con51.78001.79000.994 2.78144894E+02 2.78144894E+02
water3111.8800111.03001.008 9.07016996E+02 9.07016996E+02
water451.390051.44000.999 9.13157068E+02 9.13157068E+02
watersym224.780024.88000.996 9.51408087E+02 9.51408087E+02
waterx112.8200112.55001.002 9.38862849E+02 9.38862849E+02
windfac0.00000.0100--- 2.54487298E-01 2.54487298E-01
watersbp124.8700124.79001.001 9.07016996E+02 9.07016996E+02
watersym197.600095.95001.017 9.13775733E+02 9.13775733E+02

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Solver SBB-MEMNDS1e+5 faster - Obj same for both solvers:

Modelname Time (SBB) Time (SBB-MEMNDS1e+5) Ratio (SBB / SBB-MEMNDS1e+5) Obj (SBB) Obj (SBB-MEMNDS1e+5)
ex12230.06000.05001.200 4.57958240E+00 4.57958240E+00
ex126329.440026.30001.119 1.96000000E+01 1.96000000E+01
ex1263a3.60002.17001.659 1.96000000E+01 1.96000000E+01
ex126440.300031.89001.264 8.60000000E+00 8.60000000E+00
ex1266a0.45000.39001.154 1.63000000E+01 1.63000000E+01
ex3pb0.24000.19001.263 6.80097441E+01 6.80097441E+01
fac30.29000.25001.160 3.19823098E+07 3.19823098E+07
hmittelman0.51000.40001.275 1.30000000E+01 1.30000000E+01
synthes30.18000.14001.286 6.80097405E+01 6.80097405E+01

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Solver SBB-MEMNDS1e+5 infinitely faster - Obj of SBB-MEMNDS1e+5 better:

Modelname Time (SBB) Time (SBB-MEMNDS1e+5) Ratio (SBB / SBB-MEMNDS1e+5) Obj (SBB) Obj (SBB-MEMNDS1e+5)
fo7fail 933.4600 -- 0.00000000E+00 4.21007140E+01

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

Modelname Time (SBB) Time (SBB-MEMNDS1e+5) Ratio (SBB / SBB-MEMNDS1e+5) Obj (SBB) Obj (SBB-MEMNDS1e+5)
deb7infeasible infeasible -- 1.43492391E+02 1.43492391E+02
deb8infeasible infeasible -- 2.49467682E+03 2.49467682E+03
feedtray2infeasible infeasible -- 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_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_e36infeasible infeasible -- 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
tltrinfeasible infeasible -- 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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