Resource Times:

Date / Time: 01/07/08 20:11:22


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-CPLEX-0.trc
Tracefile 2 :4-CBC-0.trc
Solvers used : CPLEX11
CLP
Modeltype(s)   LP
Threshold: Solver Faster 10%
Threshold: Solver Much Faster 50%
Threshold: Solver Infinitely Faster Other solver failed


Total Obj CPLEX11 better Obj same Obj CLP better
Solver CPLEX11 infinitely faster : 3 3 - -
Solver CPLEX11 much faster : 33 - 33 -
Solver CPLEX11 faster : 64 - 64 -
Solvers perform the same : 6 - 6 -
Solver CLP faster : 5 - 5 -
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 CPLEX11 infinitely faster - Obj of CPLEX11 better:

Modelname Time (CPLEX11) Time (CLP) Ratio (CPLEX11 / CLP) Obj (CPLEX11) Obj (CLP)
nug151338.4500fail -- 1.04099404E+03 1.02756661E+03
qap151304.2100fail -- 1.04099404E+03 1.02103160E+03
rail42842431.5700fail -- 1.05405449E+03 1.04944456E+03

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Solver CPLEX11 much faster - Obj same for both solvers:

Modelname Time (CPLEX11) Time (CLP) Ratio (CPLEX11 / CLP) Obj (CPLEX11) Obj (CLP)
car40.42001.40000.300 3.54603702E+01 3.54603702E+01
cari0.10000.33000.303 5.81893058E+02 5.81893058E+02
ex3sta119.1400104.63000.183 -6.30754033E+01 -6.30754033E+01
fit2d0.41003.47000.118 -6.84642933E+04 -6.84642933E+04
gen10.12001.14000.105 6.62141474E-10 1.21928894E-06
gen29.630041.91000.230 3.29279078E+00 3.29279078E+00
gen40.860054.45000.016 0.00000000E+00 2.85445947E-06
jendrec10.96002.62000.366 7.02846051E+03 7.02846051E+03
model107.250024.00000.302 -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
nsir10.10000.32000.313 -2.89090330E+07 -2.89090330E+07
scfxm1-2b-641.40003.28000.427 2.87756386E+03 2.87756386E+03
sctap1-2b-640.28000.82000.341 4.84560000E+02 4.84560000E+02
slptsk0.80001.97000.406 2.98953660E+01 2.98953660E+01
testbig0.24000.94000.255 -6.04229607E+01 -6.04229607E+01
ulevimin11.480029.58000.388 -5.19110186E+09 -5.19110186E+09
world2.62005.40000.485 4.03648731E+07 4.03648731E+07
nsct10.49001.14000.430 -3.89224360E+07 -3.89224360E+07
nsct20.87001.93000.451 -3.71750820E+07 -3.71750820E+07
rail5823.36006.90000.487 2.09712233E+02 2.09712233E+02
rat7a6.650018.45000.360 2.07437142E+06 2.07437142E+06
rlfdual5.150050.88000.101 -1.00000000E+00 -1.00000000E+00
rlfprim0.78002.07000.377 1.00000000E+00 1.00000000E+00
scfxm1-2r-2565.920013.36000.443 2.89170611E+03 2.89170611E+03
sctap1-2r-4800.84001.90000.442 2.48500000E+02 2.48500000E+02
us040.32006.31000.051 1.77316667E+04 1.77316667E+04
watson_115.440086.46000.179 -1.60928080E+03 -1.60928072E+03
dbic163.0600266.57000.237 -9.76897300E+06 -9.76897300E+06
dbir10.78003.45000.226 -8.10670700E+06 -8.10670700E+06
dbir21.28002.84000.451 -6.11691650E+06 -6.11691650E+06
nemsemm11.02002.73000.374 5.12959601E+05 5.12959601E+05
nw141.00002.63000.380 6.18440000E+04 6.18440000E+04

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Solver CPLEX11 faster - Obj same for both solvers:

Modelname Time (CPLEX11) Time (CLP) Ratio (CPLEX11 / CLP) Obj (CPLEX11) Obj (CLP)
aa011.58001.83000.863 5.55354364E+04 5.55354364E+04
aa030.84001.04000.808 4.96163636E+04 4.96163636E+04
air020.06000.07000.857 7.64000000E+03 7.64000000E+03
air060.84001.05000.800 4.96163636E+04 4.96163636E+04
baxter0.84000.94000.894 5.60072557E+07 5.60072557E+07
co51.53002.66000.575 7.14469554E+05 7.14469554E+05
co96.440011.54000.558 9.46920430E+05 9.46920430E+05
cq93.55005.60000.634 5.05541710E+05 5.05541710E+05
fit2p2.13003.77000.565 6.84642933E+04 6.84642933E+04
fome120.34000.41000.829 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
l3012.750014.93000.854 9.52661380E-01 9.52661417E-01
lp2217.360029.71000.584 4.58944594E+02 4.58944594E+02
maros-r71.38002.55000.541 1.49718517E+06 1.49718517E+06
mod23.12004.78000.653 2.77373714E+07 2.77373714E+07
model52.26003.63000.623 -8.58440729E+05 -8.58440729E+05
model71.89002.56000.738 4.93800855E+04 4.93800855E+04
nemspmm12.32003.13000.741 -3.27415836E+05 -3.27415836E+05
nemspmm22.24003.12000.718 -2.91794836E+05 -2.91794836E+05
nemswrld23.550043.43000.542 2.60308966E+02 2.60308966E+02
nsir20.26000.49000.531 -2.71755935E+07 -2.71755935E+07
osa-070.20000.25000.800 5.35722517E+05 5.35722517E+05
p0100.50000.86000.581 1.11504792E+06 1.11504792E+06
p050.24000.34000.706 5.56000277E+05 5.56000277E+05
pcb30000.49000.69000.710 1.37416420E+05 1.37416420E+05
pds-060.30000.41000.732 2.77610376E+10 2.77610376E+10
pds-100.62000.89000.697 2.67270950E+10 2.67270950E+10
pilot878.060010.91000.739 3.01710616E+02 3.01710366E+02
r050.26000.34000.765 5.57831859E+05 5.57831859E+05
rat10.32000.39000.821 1.99953166E+06 1.99953166E+06
rat50.90001.39000.647 3.08370701E+06 3.08370701E+06
scfxm1-2r-961.12002.04000.549 2.89170611E+03 2.89170611E+03
scrs8-2r-5120.16000.19000.842 1.07409934E+03 1.07409934E+03
scsd8-2b-640.26000.37000.703 1.59986680E+01 1.59986680E+01
scsd8-2c-640.28000.37000.757 1.49992320E+01 1.49992320E+01
scsd8-2r-2160.23000.26000.885 2.33999839E+01 2.33999839E+01
stocfor30.72001.01000.713 -3.99767839E+04 -3.99767839E+04
wood1p0.06000.12000.500 1.44290241E+00 1.44290241E+00
cre-b1.68002.87000.585 2.31296399E+07 2.31296399E+07
cre-d0.94001.81000.519 2.44549698E+07 2.44549698E+07
fome130.63000.92000.685 0.00000000E+00 0.00000000E+00
fome202.96003.71000.798 2.38216586E+10 2.38216586E+10
ken-185.05007.44000.679 -5.22170253E+10 -5.22170253E+10
kl020.30000.51000.588 2.15250000E+02 2.15250000E+02
nemsemm20.49000.79000.620 5.81079571E+05 5.81079571E+05
osa-140.45000.73000.616 1.10646284E+06 1.10646284E+06
osa-301.06001.52000.697 2.14213987E+06 2.14213987E+06
pds-202.98003.70000.805 2.38216586E+10 2.38216586E+10
pds-306.58008.59000.766 2.13854457E+10 2.13854457E+10
pds-4011.140015.58000.715 1.88551988E+10 1.88551988E+10
pds-5018.170022.16000.820 1.66035257E+10 1.66035257E+10
pds-6026.600033.37000.797 1.42659044E+10 1.42659044E+10
rail5075.35009.45000.566 1.72145567E+02 1.72145567E+02
rail5162.43003.21000.757 1.82000000E+02 1.82000000E+02
route0.32000.37000.865 5.94165028E+03 5.94165028E+03
scsd8-2r-4320.54000.75000.720 2.57999696E+01 2.57999695E+01
t0331-4l11.710016.04000.730 2.97300334E+04 2.97300334E+04
osa-602.69004.93000.546 4.04407250E+06 4.04407250E+06
pds-10053.810075.00000.717 1.09282300E+10 1.09282300E+10
pds-7034.490044.79000.770 1.22411628E+10 1.22411628E+10
pds-8044.270059.16000.748 1.14690775E+10 1.14690775E+10
pds-9052.990063.89000.829 1.10875616E+10 1.10875616E+10
rail2586974.38001743.56000.559 9.35921821E+02 9.35921821E+02

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Solvers perform the same - Obj same for both solvers:

Modelname Time (CPLEX11) Time (CLP) Ratio (CPLEX11 / CLP) Obj (CPLEX11) Obj (CLP)
cq51.18001.23000.959 4.00133807E+05 4.00133807E+05
fome110.18000.19000.947 0.00000000E+00 0.00000000E+00
scfxm1-2r-640.95001.03000.922 2.87756386E+03 2.87756386E+03
scsd8-2r-1080.11000.10001.100 2.36999945E+01 2.36999943E+01
fome217.82007.90000.990 4.73463189E+10 4.73463189E+10
self5.48005.79000.946 0.00000000E+00 0.00000000E+00

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Solver CLP faster - Obj same for both solvers:

Modelname Time (CPLEX11) Time (CLP) Ratio (CPLEX11 / CLP) Obj (CPLEX11) Obj (CLP)
crew10.21000.16001.313 2.05555556E+01 2.05555556E+01
lpl31.01000.74001.365 2.73180000E+04 2.73180000E+04
rosen100.28000.14002.000 -1.74215456E+05 -1.74215456E+05
south3136.120025.51001.416 1.81894020E+09 1.81894020E+09
rlfddd0.36000.32001.125 -1.30000000E+01 -1.30000000E+01

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Solver CLP much faster - Obj same for both solvers:

Modelname Time (CPLEX11) Time (CLP) Ratio (CPLEX11 / CLP) Obj (CPLEX11) Obj (CLP)
bas1lp8.11001.80004.506 3.63000000E+02 3.63000000E+02

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

Modelname Time (CPLEX11) Time (CLP) Ratio (CPLEX11 / CLP) Obj (CPLEX11) Obj (CLP)
bgindyinfeasible infeasible -- 6.14604248E+04 9.53478384E+06
goshinfeasible infeasible -- 4.91202465E+01 -1.48537878E+03
lpl1infeasible infeasible -- 3.61926802E+02 2.84341900E+06
nug20fail fail -- 1.70341797E+03 1.34027115E+03
sgpf5y6infeasible infeasible -- 7.18242695E+09 5.07891512E+05
nug30fail fail -- 1.60000000E+01 7.04688773E+02

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