Resource Times:

Date / Time: 08/25/08 16:26:13


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 :22.8.trc
Tracefile 2 :22.9.trc
Solvers used : CBC21
CBC22
Modeltype(s)   MIP
Threshold: Solver Faster 10%
Threshold: Solver Much Faster 50%
Threshold: Solver Infinitely Faster Other solver failed


Total Obj CBC21 better Obj same Obj CBC22 better
Solver CBC21 infinitely faster :- - - -
Solver CBC21 much faster : 15 - 15 -
Solver CBC21 faster : 21 - 21 -
Solvers perform the same : 31 3 23 5
Solver CBC22 faster : 27 1 26 -
Solver CBC22 much faster : 14 - 12 2
Solver CBC22 infinitely faster : 2 - - 2
Both solvers failed to solve optimally :- - - -
Total models: : 1104979




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 CBC21 much faster - Obj same for both solvers:

Modelname Time (CBC21) Time (CBC22) Ratio (CBC21 / CBC22) Obj (CBC21) Obj (CBC22)
acc-tight-06.460029.94000.216 0.00000000E+00 0.00000000E+00
acc-tight-19.520079.20000.120 0.00000000E+00 0.00000000E+00
bal8x120.26002.56000.102 4.71550000E+02 4.71550000E+02
bienst139.5700255.59000.155 4.67500000E+01 4.67500000E+01
blend24.440011.56000.384 7.59898500E+00 7.59898500E+00
dsbmip1.54005.66000.272 -3.06769012E+02 -3.06769012E+02
gesa31.59009.37000.170 2.79910426E+07 2.79910426E+07
harp2181.09001801.72000.101 -7.38990690E+07 -7.38997980E+07
p02018.230019.65000.419 7.61500000E+03 7.61500000E+03
p05480.37003.10000.119 8.69100000E+03 8.69100000E+03
pk195.2200268.72000.354 1.10000000E+01 1.10000000E+01
qiu318.1900680.76000.467 -1.32873137E+02 -1.32873137E+02
ran10x10c3.57008.67000.412 1.30070000E+04 1.30070000E+04
rout178.51001008.80000.177 1.07756000E+03 1.07756000E+03
vpm21.97006.85000.288 1.37500000E+01 1.37500000E+01

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Solver CBC21 faster - Obj same for both solvers:

Modelname Time (CBC21) Time (CBC22) Ratio (CBC21 / CBC22) Obj (CBC21) Obj (CBC22)
air031.88003.14000.599 3.40160000E+05 3.40160000E+05
bc11299.58001669.48000.778 3.33836255E+00 3.33836255E+00
bell3a2.65003.21000.826 8.78430316E+05 8.78430316E+05
dano3_3209.1500244.63000.855 5.76344633E+02 5.76344633E+02
fiber4.43005.11000.867 4.05935180E+05 4.05935180E+05
gesa28.020010.03000.800 2.57798564E+07 2.57798564E+07
gesa2_o36.750049.47000.743 2.57798564E+07 2.57798564E+07
gesa3_o15.550018.12000.858 2.79910426E+07 2.79910426E+07
khb052500.69000.82000.841 1.06940226E+08 1.06940226E+08
mas28429.240050.28000.582 9.14057237E+04 9.14057237E+04
mas76184.5200329.00000.561 4.00050541E+04 4.00050541E+04
misc033.22004.08000.789 3.36000000E+03 3.36000000E+03
mod011169.2100202.17000.837 -5.45585350E+07 -5.45585350E+07
nw0428.740034.65000.829 1.68620000E+04 1.68620000E+04
p02824.20007.28000.577 2.58411000E+05 2.58411000E+05
p27567.36009.99000.737 3.12400000E+03 3.12400000E+03
prod1186.3900352.63000.529 -5.60000000E+01 -5.60000000E+01
ran10x10b2.37002.65000.894 3.07300000E+03 3.07300000E+03
ran4x642.29003.29000.696 9.71100000E+03 9.71100000E+03
rlp24.70005.59000.841 1.90000000E+01 1.90000000E+01
seymour11498.03001822.12000.822 4.10763701E+02 4.10763701E+02

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Solvers perform the same - Obj of CBC21 better:

Modelname Time (CBC21) Time (CBC22) Ratio (CBC21 / CBC22) Obj (CBC21) Obj (CBC22)
dano3mip1887.06001839.19001.026 7.56625000E+02 7.71545455E+02
swath1802.01001801.70001.000 5.01952211E+02 5.07684503E+02
markshare21802.58001802.50001.000 1.50000000E+01 1.70000000E+01

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Solvers perform the same - Obj same for both solvers:

Modelname Time (CBC21) Time (CBC22) Ratio (CBC21 / CBC22) Obj (CBC21) Obj (CBC22)
bell52.86003.10000.923 8.96640649E+06 8.96640649E+06
bk4x30.01000.0200--- 3.50000000E+02 3.50000000E+02
dano3_5658.1500647.03001.017 5.76924916E+02 5.76924916E+02
danoint1801.47001801.26001.000 6.56666667E+01 6.56666667E+01
egout0.04000.0400--- 5.68100700E+02 5.68100700E+02
gr4x60.02000.0200--- 2.02350000E+02 2.02350000E+02
irp42.950040.59001.058 1.21594928E+04 1.21594928E+04
misc0796.800095.84001.010 2.81000000E+03 2.81000000E+03
mkc11801.18001798.26001.002 -6.07207000E+02 -6.07207000E+02
neos414.500015.56000.932 -4.86034408E+10 -4.86034408E+10
p00330.03000.0400--- 3.08900000E+03 3.08900000E+03
qnet1_o5.96005.78001.031 1.60296927E+04 1.60296927E+04
ran10x2640.290044.35000.908 4.27000000E+03 4.27000000E+03
ran12x1255.630053.60001.038 2.29100000E+03 2.29100000E+03
ran14x181803.40001804.16001.000 3.73600000E+03 3.73600000E+03
ran6x433.28003.26001.006 6.33000000E+03 6.33000000E+03
ran8x3227.620026.08001.059 5.24700000E+03 5.24700000E+03
rgn4.06004.16000.976 8.21999992E+01 8.21999992E+01
stein4563.260065.14000.971 3.00000000E+01 3.00000000E+01
vpm10.12000.13000.923 2.00000000E+01 2.00000000E+01
mas741802.94001802.86001.000 1.18011857E+04 1.18011857E+04
noswot1806.02001805.71001.000 -4.10000000E+01 -4.10000000E+01
bc1803.12001804.13000.999 7.00000000E+00 7.00000000E+00

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Solvers perform the same - Obj of CBC22 better:

Modelname Time (CBC21) Time (CBC22) Ratio (CBC21 / CBC22) Obj (CBC21) Obj (CBC22)
arki0011803.44001801.36001.001 7.58139976E+06 7.58108556E+06
fast05071803.56001804.06001.000 1.79000000E+02 1.76000000E+02
mkc1801.40001800.97001.000 -5.48012000E+02 -5.50192000E+02
seymour1802.34001802.66001.000 4.31000000E+02 4.28000000E+02
markshare11803.09001802.85001.000 1.00000000E+01 7.00000000E+00

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Solver CBC22 faster - Obj of CBC21 better:

Modelname Time (CBC21) Time (CBC22) Ratio (CBC21 / CBC22) Obj (CBC21) Obj (CBC22)
neos510.92005.92001.845 -4.86034408E+10 -4.82755037E+10

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Solver CBC22 faster - Obj same for both solvers:

Modelname Time (CBC21) Time (CBC22) Ratio (CBC21 / CBC22) Obj (CBC21) Obj (CBC22)
acc-tight-43.83003.04001.260 0.00000000E+00 0.00000000E+00
acc-tight-5367.3000248.34001.479 0.00000000E+00 0.00000000E+00
air04226.1600152.47001.483 5.61370000E+04 5.61370000E+04
air0594.360064.25001.469 2.63740000E+04 2.63740000E+04
binkar10_11571.8700919.44001.710 6.74220002E+03 6.74220002E+03
dano3_4265.1000181.84001.458 5.76435225E+02 5.76435225E+02
dcmulti6.30003.77001.671 1.88182000E+05 1.88182000E+05
fixnet68.37005.13001.632 3.98300000E+03 3.98300000E+03
gen0.24000.19001.263 1.12313363E+05 1.12313363E+05
gt21.02000.76001.342 2.11660000E+04 2.11660000E+04
lseu1.85001.62001.142 1.12000000E+03 1.12000000E+03
mitre11.32007.16001.581 1.15155000E+05 1.15155000E+05
mod0100.86000.73001.178 6.54800000E+03 6.54800000E+03
modglob12.860010.60001.213 2.07405081E+07 2.07405081E+07
neos61594.1900821.00001.942 8.30000000E+01 8.30000000E+01
qnet16.68005.34001.251 1.60296927E+04 1.60296927E+04
ran10x10a5.22004.48001.165 1.49900000E+03 1.49900000E+03
ran10x123.23002.87001.125 2.71400000E+03 2.71400000E+03
ran12x21275.5300239.47001.151 3.66400000E+03 3.66400000E+03
ran13x13154.500087.51001.766 3.25200000E+03 3.25200000E+03
ran16x161599.30001260.47001.269 3.82300000E+03 3.82300000E+03
ran17x1723.240020.65001.125 1.37300000E+03 1.37300000E+03
rentacar8.09005.83001.388 2.88824709E+07 2.88824709E+07
set1ch1802.79001028.08001.754 5.45377500E+04 5.45377500E+04
stein272.94002.38001.235 1.80000000E+01 1.80000000E+01
swath2871.4900549.01001.587 3.85199693E+02 3.85199693E+02

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Solver CBC22 much faster - Obj same for both solvers:

Modelname Time (CBC21) Time (CBC22) Ratio (CBC21 / CBC22) Obj (CBC21) Obj (CBC22)
10teams50.780012.36004.108 9.24000000E+02 9.24000000E+02
acc-tight-21402.1500393.16003.566 0.00000000E+00 0.00000000E+00
bienst21800.7900895.58002.011 5.46000000E+01 5.46000000E+01
cap6000259.880063.40004.099 -2.45137700E+06 -2.45137700E+06
enigma3.19001.08002.954 0.00000000E+00 0.00000000E+00
l152lav11.60005.78002.007 4.72200000E+03 4.72200000E+03
misc062.03000.79002.570 1.28508607E+04 1.28508607E+04
mod0084.51001.09004.138 3.07000000E+02 3.07000000E+02
neos11801.460071.040025.358 1.90000000E+01 1.90000000E+01
pp08acuts59.520024.72002.408 7.35000000E+03 7.35000000E+03
pp08a49.030019.56002.507 7.35000000E+03 7.35000000E+03
swath1369.6800158.56002.331 3.79071296E+02 3.79071296E+02

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Solver CBC22 much faster - Obj of CBC22 better:

Modelname Time (CBC21) Time (CBC22) Ratio (CBC21 / CBC22) Obj (CBC21) Obj (CBC22)
neos2477.79009.670049.410 4.54869702E+02 4.54864697E+02
neos31801.600026.420068.191 5.49523007E+02 3.68842751E+02

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Solver CBC22 infinitely faster - Obj of CBC22 better:

Modelname Time (CBC21) Time (CBC22) Ratio (CBC21 / CBC22) Obj (CBC21) Obj (CBC22)
acc-tight-3fail 498.6900 -- 0.00000000E+00 0.00000000E+00
acc-tight-6fail 1139.0300 -- 0.00000000E+00 0.00000000E+00

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