Resource Times:

Date / Time: 09/02/07 12:03:58


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


Total Obj CPLEX better Obj same Obj CLP better
Solver CPLEX infinitely faster : 3 3 - -
Solver CPLEX much faster : 42 - 42 -
Solver CPLEX faster : 55 - 55 -
Solvers perform the same : 7 - 7 -
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 CPLEX infinitely faster - Obj of CPLEX better:

Modelname Time (CPLEX) Time (CLP) Ratio (CPLEX / CLP) Obj (CPLEX) Obj (CLP)
nug151349.7700fail -- 1.04099404E+03 1.02403115E+03
qap151318.5300fail -- 1.04099404E+03 1.01763595E+03
rail42842681.7200fail -- 1.05405449E+03 1.03719438E+03

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Solver CPLEX much faster - Obj same for both solvers:

Modelname Time (CPLEX) Time (CLP) Ratio (CPLEX / CLP) Obj (CPLEX) Obj (CLP)
car40.41001.59000.258 3.54603702E+01 3.54603702E+01
cari0.06000.34000.176 5.81893058E+02 5.81893058E+02
co51.37002.94000.466 7.14469554E+05 7.14469554E+05
co96.670013.95000.478 9.46920430E+05 9.46920430E+05
ex3sta121.2200123.22000.172 -6.30754033E+01 -6.30754033E+01
fit2d0.42003.51000.120 -6.84642933E+04 -6.84642933E+04
gen10.13001.21000.107 6.62136997E-10 1.21928894E-06
gen28.920046.61000.191 3.29279078E+00 3.29279078E+00
gen40.810062.61000.013 0.00000000E+00 2.85445947E-06
jendrec10.95002.69000.353 7.02846051E+03 7.02846051E+03
maros-r71.39002.91000.478 1.49718517E+06 1.49718517E+06
mod22.76005.60000.493 2.77373714E+07 2.77373714E+07
model107.000027.41000.255 -1.54599621E+05 -1.54599621E+05
model110.46002.65000.174 0.00000000E+00 0.00000000E+00
model51.86003.92000.474 -8.58440729E+05 -8.58440729E+05
model90.72001.63000.442 -1.41123094E+05 -1.41123094E+05
nemswrld23.390050.80000.460 2.60308966E+02 2.60308966E+02
nsir10.09000.32000.281 -2.89090330E+07 -2.89090330E+07
scfxm1-2b-641.63003.70000.441 2.87756386E+03 2.87756386E+03
sctap1-2b-640.30000.88000.341 4.84560000E+02 4.84560000E+02
slptsk0.81002.08000.389 2.98953660E+01 2.98953660E+01
testbig0.24001.01000.238 -6.04229607E+01 -6.04229607E+01
ulevimin11.870033.37000.356 -5.19110186E+09 -5.19110186E+09
wood1p0.05000.12000.417 1.44290241E+00 1.44290241E+00
world2.79006.36000.439 4.03648731E+07 4.03648731E+07
kl020.27000.55000.491 2.15250000E+02 2.15250000E+02
nsct10.44001.21000.364 -3.89224360E+07 -3.89224360E+07
nsct20.83002.04000.407 -3.71750820E+07 -3.71750820E+07
rail5823.42007.86000.435 2.09712233E+02 2.09712233E+02
rat7a6.540020.93000.312 2.07437142E+06 2.07437142E+06
rlfdual5.340060.22000.089 -1.00000000E+00 -1.00000000E+00
scfxm1-2r-2566.660016.28000.409 2.89170611E+03 2.89170611E+03
sctap1-2r-4800.88002.05000.429 2.48500000E+02 2.48500000E+02
us040.31006.48000.048 1.77316667E+04 1.77316667E+04
watson_114.3400104.65000.137 -1.60928080E+03 -1.60928072E+03
dbic166.5000306.58000.217 -9.76897300E+06 -9.76897300E+06
dbir10.81003.91000.207 -8.10670700E+06 -8.10670700E+06
dbir21.28003.08000.416 -6.11691650E+06 -6.11691650E+06
nemsemm11.04002.87000.362 5.12959601E+05 5.12959601E+05
nw141.01002.78000.363 6.18440000E+04 6.18440000E+04
osa-602.40005.94000.404 4.04407250E+06 4.04407250E+06
rail2586929.88002059.18000.452 9.35921821E+02 9.35921821E+02

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Solver CPLEX faster - Obj same for both solvers:

Modelname Time (CPLEX) Time (CLP) Ratio (CPLEX / CLP) Obj (CPLEX) Obj (CLP)
aa011.54001.96000.786 5.55354364E+04 5.55354364E+04
baxter0.85001.03000.825 5.60072557E+07 5.60072557E+07
cq94.38006.51000.673 5.05541710E+05 5.05541710E+05
fit2p2.20004.07000.541 6.84642933E+04 6.84642933E+04
fome110.15000.24000.625 0.00000000E+00 0.00000000E+00
fome120.32000.48000.667 0.00000000E+00 0.00000000E+00
ken-110.27000.47000.574 -6.97238226E+09 -6.97238226E+09
ken-130.78001.30000.600 -1.02573948E+10 -1.02573948E+10
l3011.990017.89000.670 9.52661331E-01 9.52661417E-01
lp2217.480034.18000.511 4.58944594E+02 4.58944594E+02
nemspmm12.44003.36000.726 -3.27415836E+05 -3.27415836E+05
nemspmm22.32003.40000.682 -2.91794836E+05 -2.91794836E+05
nsir20.25000.50000.500 -2.71755935E+07 -2.71755935E+07
osa-070.18000.26000.692 5.35722517E+05 5.35722517E+05
p0100.52000.92000.565 1.11504792E+06 1.11504792E+06
p050.24000.34000.706 5.56000277E+05 5.56000277E+05
pcb30000.48000.75000.640 1.37416420E+05 1.37416420E+05
pds-060.27000.44000.614 2.77610376E+10 2.77610376E+10
pds-100.61001.00000.610 2.67270950E+10 2.67270950E+10
pilot878.070012.53000.644 3.01710359E+02 3.01710366E+02
r050.21000.38000.553 5.57831859E+05 5.57831859E+05
rat10.30000.41000.732 1.99953166E+06 1.99953166E+06
rat50.90001.52000.592 3.08370701E+06 3.08370701E+06
scfxm1-2r-640.82001.12000.732 2.87756386E+03 2.87756386E+03
scfxm1-2r-961.16002.28000.509 2.89170611E+03 2.89170611E+03
scrs8-2r-5120.14000.21000.667 1.07409934E+03 1.07409934E+03
scsd8-2b-640.26000.37000.703 1.59986680E+01 1.59986680E+01
scsd8-2c-640.24000.40000.600 1.49992320E+01 1.49992320E+01
scsd8-2r-2160.22000.30000.733 2.33999839E+01 2.33999839E+01
stocfor30.68001.11000.613 -3.99767839E+04 -3.99767839E+04
cre-b1.80003.17000.568 2.31296399E+07 2.31296399E+07
cre-d1.08001.96000.551 2.44549698E+07 2.44549698E+07
fome130.66001.01000.653 0.00000000E+00 0.00000000E+00
fome203.08004.31000.715 2.38216586E+10 2.38216586E+10
fome217.97009.15000.871 4.73463189E+10 4.73463189E+10
ken-185.14008.44000.609 -5.22170253E+10 -5.22170253E+10
nemsemm20.46000.87000.529 5.81079571E+05 5.81079571E+05
osa-140.50000.82000.610 1.10646284E+06 1.10646284E+06
osa-301.05001.65000.636 2.14213987E+06 2.14213987E+06
pds-203.08004.21000.732 2.38216586E+10 2.38216586E+10
pds-307.410010.01000.740 2.13854457E+10 2.13854457E+10
pds-4011.700018.38000.637 1.88551988E+10 1.88551988E+10
pds-5018.220026.31000.693 1.66035257E+10 1.66035257E+10
pds-6025.660039.79000.645 1.42659044E+10 1.42659044E+10
rail5075.960011.00000.542 1.72145567E+02 1.72145567E+02
rail5162.52003.63000.694 1.82000000E+02 1.82000000E+02
rlfprim0.74001.19000.622 1.00000000E+00 1.00000000E+00
route0.32000.40000.800 5.94165028E+03 5.94165028E+03
scsd8-2r-4320.47000.85000.553 2.57999696E+01 2.57999695E+01
t0331-4l13.840018.05000.767 2.97300334E+04 2.97300334E+04
pds-10056.030090.06000.622 1.09282300E+10 1.09282300E+10
pds-7034.480053.76000.641 1.22411628E+10 1.22411628E+10
pds-8044.860071.02000.632 1.14690775E+10 1.14690775E+10
pds-9054.960076.19000.721 1.10875616E+10 1.10875616E+10
self3.87006.56000.590 0.00000000E+00 0.00000000E+00

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Solvers perform the same - Obj same for both solvers:

Modelname Time (CPLEX) Time (CLP) Ratio (CPLEX / CLP) Obj (CPLEX) Obj (CLP)
aa031.00001.10000.909 4.96163636E+04 4.96163636E+04
air020.06000.06001.000 7.64000000E+03 7.64000000E+03
air061.02001.11000.919 4.96163636E+04 4.96163636E+04
cq51.20001.33000.902 4.00133807E+05 4.00133807E+05
model72.81002.71001.037 4.93800855E+04 4.93800855E+04
scsd8-2r-1080.11000.12000.917 2.36999945E+01 2.36999943E+01
rlfddd0.32000.32001.000 -1.30000000E+01 -1.30000000E+01

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Solver CLP faster - Obj same for both solvers:

Modelname Time (CPLEX) Time (CLP) Ratio (CPLEX / CLP) Obj (CPLEX) Obj (CLP)
crew10.20000.16001.250 2.05555556E+01 2.05555556E+01
lpl30.98000.81001.210 2.73180000E+04 2.73180000E+04
south3139.110030.49001.283 1.81894020E+09 1.81894020E+09
bas1lp3.20002.07001.546 3.63000000E+02 3.63000000E+02

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Solver CLP much faster - Obj same for both solvers:

Modelname Time (CPLEX) Time (CLP) Ratio (CPLEX / CLP) Obj (CPLEX) Obj (CLP)
rosen100.40000.13003.077 -1.74215456E+05 -1.74215456E+05

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

Modelname Time (CPLEX) Time (CLP) Ratio (CPLEX / CLP) Obj (CPLEX) 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 1.32542664E+03
sgpf5y6infeasible infeasible -- 1.20307285E+10 5.07891512E+05
nug30fail fail -- 9.45906494E+00 6.42929894E+02

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