Resource Times:

Date / Time: 01/07/08 20:11:24


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 :3-CPLEX-0.trc
Tracefile 2 :4-CBC-0.trc
Solvers used : CPLEX10
CLP
Modeltype(s)   LP
Threshold: Solver Faster 10%
Threshold: Solver Much Faster 50%
Threshold: Solver Infinitely Faster Other solver failed


Total Obj CPLEX10 better Obj same Obj CLP better
Solver CPLEX10 infinitely faster : 3 3 - -
Solver CPLEX10 much faster : 34 - 34 -
Solver CPLEX10 faster : 62 - 62 -
Solvers perform the same : 8 - 8 -
Solver CLP faster : 4 - 4 -
Solver CLP much faster : 1 - 1 -
Solver CLP infinitely faster :- - - -
Both solvers failed to solve optimally : 6 - 6 -
Total models: : 11831150




Solver return definition:

OutcomeModel StatusSolver Status
globally optimal 1 or 15 1
locally optimal/feasible 2 or 7 or 16 or 17 1 or 2 or 3 or 4 or 5




Resource Times:

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Solver CPLEX10 infinitely faster - Obj of CPLEX10 better:

Modelname Time (CPLEX10) Time (CLP) Ratio (CPLEX10 / CLP) Obj (CPLEX10) Obj (CLP)
nug151349.7700fail -- 1.04099404E+03 1.02756661E+03
qap151318.5300fail -- 1.04099404E+03 1.02103160E+03
rail42842681.7200fail -- 1.05405449E+03 1.04944456E+03

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Solver CPLEX10 much faster - Obj same for both solvers:

Modelname Time (CPLEX10) Time (CLP) Ratio (CPLEX10 / CLP) Obj (CPLEX10) Obj (CLP)
car40.41001.40000.293 3.54603702E+01 3.54603702E+01
cari0.06000.33000.182 5.81893058E+02 5.81893058E+02
ex3sta121.2200104.63000.203 -6.30754033E+01 -6.30754033E+01
fit2d0.42003.47000.121 -6.84642933E+04 -6.84642933E+04
gen10.13001.14000.114 6.62136997E-10 1.21928894E-06
gen28.920041.91000.213 3.29279078E+00 3.29279078E+00
gen40.810054.45000.015 0.00000000E+00 2.85445947E-06
jendrec10.95002.62000.363 7.02846051E+03 7.02846051E+03
model107.000024.00000.292 -1.54599621E+05 -1.54599621E+05
model110.46002.33000.197 0.00000000E+00 0.00000000E+00
model90.72001.53000.471 -1.41123094E+05 -1.41123094E+05
nsir10.09000.32000.281 -2.89090330E+07 -2.89090330E+07
scfxm1-2b-641.63003.28000.497 2.87756386E+03 2.87756386E+03
sctap1-2b-640.30000.82000.366 4.84560000E+02 4.84560000E+02
slptsk0.81001.97000.411 2.98953660E+01 2.98953660E+01
testbig0.24000.94000.255 -6.04229607E+01 -6.04229607E+01
ulevimin11.870029.58000.401 -5.19110186E+09 -5.19110186E+09
wood1p0.05000.12000.417 1.44290241E+00 1.44290241E+00
nsct10.44001.14000.386 -3.89224360E+07 -3.89224360E+07
nsct20.83001.93000.430 -3.71750820E+07 -3.71750820E+07
rail5823.42006.90000.496 2.09712233E+02 2.09712233E+02
rat7a6.540018.45000.354 2.07437142E+06 2.07437142E+06
rlfdual5.340050.88000.105 -1.00000000E+00 -1.00000000E+00
rlfprim0.74002.07000.357 1.00000000E+00 1.00000000E+00
scfxm1-2r-2566.660013.36000.499 2.89170611E+03 2.89170611E+03
sctap1-2r-4800.88001.90000.463 2.48500000E+02 2.48500000E+02
us040.31006.31000.049 1.77316667E+04 1.77316667E+04
watson_114.340086.46000.166 -1.60928080E+03 -1.60928072E+03
dbic166.5000266.57000.249 -9.76897300E+06 -9.76897300E+06
dbir10.81003.45000.235 -8.10670700E+06 -8.10670700E+06
dbir21.28002.84000.451 -6.11691650E+06 -6.11691650E+06
nemsemm11.04002.73000.381 5.12959601E+05 5.12959601E+05
nw141.01002.63000.384 6.18440000E+04 6.18440000E+04
osa-602.40004.93000.487 4.04407250E+06 4.04407250E+06

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Solver CPLEX10 faster - Obj same for both solvers:

Modelname Time (CPLEX10) Time (CLP) Ratio (CPLEX10 / CLP) Obj (CPLEX10) Obj (CLP)
aa011.54001.83000.842 5.55354364E+04 5.55354364E+04
air020.06000.07000.857 7.64000000E+03 7.64000000E+03
co51.37002.66000.515 7.14469554E+05 7.14469554E+05
co96.670011.54000.578 9.46920430E+05 9.46920430E+05
cq94.38005.60000.782 5.05541710E+05 5.05541710E+05
fit2p2.20003.77000.584 6.84642933E+04 6.84642933E+04
fome110.15000.19000.789 0.00000000E+00 0.00000000E+00
fome120.32000.41000.780 0.00000000E+00 0.00000000E+00
ken-110.27000.42000.643 -6.97238226E+09 -6.97238226E+09
ken-130.78001.16000.672 -1.02573948E+10 -1.02573948E+10
l3011.990014.93000.803 9.52661331E-01 9.52661417E-01
lp2217.480029.71000.588 4.58944594E+02 4.58944594E+02
maros-r71.39002.55000.545 1.49718517E+06 1.49718517E+06
mod22.76004.78000.577 2.77373714E+07 2.77373714E+07
model51.86003.63000.512 -8.58440729E+05 -8.58440729E+05
nemspmm12.44003.13000.780 -3.27415836E+05 -3.27415836E+05
nemspmm22.32003.12000.744 -2.91794836E+05 -2.91794836E+05
nemswrld23.390043.43000.539 2.60308966E+02 2.60308966E+02
nsir20.25000.49000.510 -2.71755935E+07 -2.71755935E+07
osa-070.18000.25000.720 5.35722517E+05 5.35722517E+05
p0100.52000.86000.605 1.11504792E+06 1.11504792E+06
p050.24000.34000.706 5.56000277E+05 5.56000277E+05
pcb30000.48000.69000.696 1.37416420E+05 1.37416420E+05
pds-060.27000.41000.659 2.77610376E+10 2.77610376E+10
pds-100.61000.89000.685 2.67270950E+10 2.67270950E+10
pilot878.070010.91000.740 3.01710359E+02 3.01710366E+02
r050.21000.34000.618 5.57831859E+05 5.57831859E+05
rat10.30000.39000.769 1.99953166E+06 1.99953166E+06
rat50.90001.39000.647 3.08370701E+06 3.08370701E+06
scfxm1-2r-640.82001.03000.796 2.87756386E+03 2.87756386E+03
scfxm1-2r-961.16002.04000.569 2.89170611E+03 2.89170611E+03
scrs8-2r-5120.14000.19000.737 1.07409934E+03 1.07409934E+03
scsd8-2b-640.26000.37000.703 1.59986680E+01 1.59986680E+01
scsd8-2c-640.24000.37000.649 1.49992320E+01 1.49992320E+01
scsd8-2r-2160.22000.26000.846 2.33999839E+01 2.33999839E+01
stocfor30.68001.01000.673 -3.99767839E+04 -3.99767839E+04
world2.79005.40000.517 4.03648731E+07 4.03648731E+07
cre-b1.80002.87000.627 2.31296399E+07 2.31296399E+07
cre-d1.08001.81000.597 2.44549698E+07 2.44549698E+07
fome130.66000.92000.717 0.00000000E+00 0.00000000E+00
fome203.08003.71000.830 2.38216586E+10 2.38216586E+10
ken-185.14007.44000.691 -5.22170253E+10 -5.22170253E+10
kl020.27000.51000.529 2.15250000E+02 2.15250000E+02
nemsemm20.46000.79000.582 5.81079571E+05 5.81079571E+05
osa-140.50000.73000.685 1.10646284E+06 1.10646284E+06
osa-301.05001.52000.691 2.14213987E+06 2.14213987E+06
pds-203.08003.70000.832 2.38216586E+10 2.38216586E+10
pds-307.41008.59000.863 2.13854457E+10 2.13854457E+10
pds-4011.700015.58000.751 1.88551988E+10 1.88551988E+10
pds-5018.220022.16000.822 1.66035257E+10 1.66035257E+10
pds-6025.660033.37000.769 1.42659044E+10 1.42659044E+10
rail5075.96009.45000.631 1.72145567E+02 1.72145567E+02
rail5162.52003.21000.785 1.82000000E+02 1.82000000E+02
route0.32000.37000.865 5.94165028E+03 5.94165028E+03
scsd8-2r-4320.47000.75000.627 2.57999696E+01 2.57999695E+01
t0331-4l13.840016.04000.863 2.97300334E+04 2.97300334E+04
pds-10056.030075.00000.747 1.09282300E+10 1.09282300E+10
pds-7034.480044.79000.770 1.22411628E+10 1.22411628E+10
pds-8044.860059.16000.758 1.14690775E+10 1.14690775E+10
pds-9054.960063.89000.860 1.10875616E+10 1.10875616E+10
rail2586929.88001743.56000.533 9.35921821E+02 9.35921821E+02
self3.87005.79000.668 0.00000000E+00 0.00000000E+00

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Solvers perform the same - Obj same for both solvers:

Modelname Time (CPLEX10) Time (CLP) Ratio (CPLEX10 / CLP) Obj (CPLEX10) Obj (CLP)
aa031.00001.04000.962 4.96163636E+04 4.96163636E+04
air061.02001.05000.971 4.96163636E+04 4.96163636E+04
baxter0.85000.94000.904 5.60072557E+07 5.60072557E+07
cq51.20001.23000.976 4.00133807E+05 4.00133807E+05
model72.81002.56001.098 4.93800855E+04 4.93800855E+04
scsd8-2r-1080.11000.10001.100 2.36999945E+01 2.36999943E+01
fome217.97007.90001.009 4.73463189E+10 4.73463189E+10
rlfddd0.32000.32001.000 -1.30000000E+01 -1.30000000E+01

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Solver CLP faster - Obj same for both solvers:

Modelname Time (CPLEX10) Time (CLP) Ratio (CPLEX10 / CLP) Obj (CPLEX10) Obj (CLP)
crew10.20000.16001.250 2.05555556E+01 2.05555556E+01
lpl30.98000.74001.324 2.73180000E+04 2.73180000E+04
south3139.110025.51001.533 1.81894020E+09 1.81894020E+09
bas1lp3.20001.80001.778 3.63000000E+02 3.63000000E+02

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Solver CLP much faster - Obj same for both solvers:

Modelname Time (CPLEX10) Time (CLP) Ratio (CPLEX10 / CLP) Obj (CPLEX10) Obj (CLP)
rosen100.40000.14002.857 -1.74215456E+05 -1.74215456E+05

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

Modelname Time (CPLEX10) Time (CLP) Ratio (CPLEX10 / CLP) Obj (CPLEX10) Obj (CLP)
bgindyinfeasible infeasible -- 6.14604248E+04 9.53478384E+06
goshinfeasible infeasible -- 5.76638122E+01 -1.48537878E+03
lpl1infeasible infeasible -- 3.62181023E+02 2.84341900E+06
nug20fail fail -- 1.21494160E+09 1.34027115E+03
sgpf5y6infeasible infeasible -- 1.20307285E+10 5.07891512E+05
nug30fail fail -- 9.45906494E+00 7.04688773E+02

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