Resource Times:

Date / Time: 10/01/07 10:36:20


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 :3-GLPK-0.trc
Solvers used : CPLEX
GLPK4.22
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 GLPK4.22 better
Solver CPLEX infinitely faster : 12 12 - -
Solver CPLEX much faster : 88 - 88 -
Solver CPLEX faster : 8 - 8 -
Solvers perform the same : 1 - 1 -
Solver GLPK4.22 faster : 2 - 2 -
Solver GLPK4.22 much faster : 1 - 1 -
Solver GLPK4.22 infinitely faster :- - - -
Both solvers failed to solve optimally : 6 - 6 -
Total models: : 118121060




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 (GLPK4.22) Ratio (CPLEX / GLPK4.22) Obj (CPLEX) Obj (GLPK4.22)
gen10.1300fail -- 6.62136997E-10 0.00000000E+00
gen40.8100fail -- 0.00000000E+00 0.00000000E+00
l3011.9900fail -- 9.52661331E-01 NA
pds-5018.2200fail -- 1.66035257E+10 0.00000000E+00
pds-6025.6600fail -- 1.42659044E+10 0.00000000E+00
watson_114.3400fail -- -1.60928080E+03 0.00000000E+00
pds-10056.0300fail -- 1.09282300E+10 0.00000000E+00
pds-7034.4800fail -- 1.22411628E+10 0.00000000E+00
pds-8044.8600fail -- 1.14690775E+10 0.00000000E+00
pds-9054.9600fail -- 1.10875616E+10 0.00000000E+00
rail2586929.8800fail -- 9.35921821E+02 0.00000000E+00
rail42842681.7200fail -- 1.05405449E+03 0.00000000E+00

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Solver CPLEX much faster - Obj same for both solvers:

Modelname Time (CPLEX) Time (GLPK4.22) Ratio (CPLEX / GLPK4.22) Obj (CPLEX) Obj (GLPK4.22)
aa011.540011.38000.135 5.55354364E+04 5.55354364E+04
aa031.00009.46000.106 4.96163636E+04 4.96163636E+04
air061.02009.46000.108 4.96163636E+04 4.96163636E+04
baxter0.850021.09000.040 5.60072557E+07 5.60072557E+07
cari0.06000.18000.333 5.81893058E+02 5.81893058E+02
co51.37008.94000.153 7.14469554E+05 7.14469554E+05
co96.670047.37000.141 9.46920430E+05 9.46920430E+05
cq51.20006.13000.196 4.00133807E+05 4.00133807E+05
cq94.380025.71000.170 5.05541710E+05 5.05541710E+05
fit2d0.42009.45000.044 -6.84642933E+04 -6.84642933E+04
fit2p2.20006.39000.344 6.84642933E+04 6.84642933E+04
gen28.920041.20000.217 3.29279078E+00 3.29279078E+00
jendrec10.95009.59000.099 7.02846051E+03 7.02846051E+03
ken-110.270012.22000.022 -6.97238226E+09 -6.97238226E+09
ken-130.780072.18000.011 -1.02573948E+10 -1.02573948E+10
lp2217.4800117.40000.149 4.58944594E+02 4.58944594E+02
lpl30.980012.29000.080 2.73180000E+04 2.73180000E+04
maros-r71.39005.92000.235 1.49718517E+06 1.49718517E+06
mod22.7600216.00000.013 2.77373714E+07 2.77373714E+07
model107.000019.42000.360 -1.54599621E+05 -1.54599621E+05
model110.46005.44000.085 0.00000000E+00 0.00000000E+00
model90.72002.68000.269 -1.41123094E+05 -1.41123094E+05
nemspmm12.44005.01000.487 -3.27415836E+05 -3.27415836E+05
nemspmm22.32005.99000.387 -2.91794836E+05 -2.91794836E+05
nemswrld23.3900158.99000.147 2.60308966E+02 2.60308966E+02
nsir10.09001.00000.090 -2.89090330E+07 -2.89090330E+07
nug151349.77003413.45000.395 1.04099404E+03 1.04099404E+03
osa-070.18000.65000.277 5.35722517E+05 5.35722517E+05
p0100.520015.27000.034 1.11504792E+06 1.11504792E+06
p050.24003.79000.063 5.56000277E+05 5.56000277E+05
pcb30000.48004.06000.118 1.37416420E+05 1.37416420E+05
pds-060.27003.76000.072 2.77610376E+10 2.77610376E+10
pds-100.610015.61000.039 2.67270950E+10 2.67270950E+10
qap151318.53003235.18000.408 1.04099404E+03 1.04099404E+03
r050.21004.12000.051 5.57831859E+05 5.57831859E+05
rat10.30003.59000.084 1.99953166E+06 1.99953166E+06
rat50.90004.65000.194 3.08370701E+06 3.08370701E+06
rosen100.40001.45000.276 -1.74215456E+05 -1.74215456E+05
scfxm1-2b-641.630030.62000.053 2.87756386E+03 2.87756386E+03
scfxm1-2r-640.82006.58000.125 2.87756386E+03 2.87756386E+03
scfxm1-2r-961.160014.81000.078 2.89170611E+03 2.89170611E+03
scrs8-2r-5120.140013.63000.010 1.07409934E+03 1.07409934E+03
scsd8-2b-640.260019.11000.014 1.59986680E+01 1.59986680E+01
scsd8-2c-640.240020.49000.012 1.49992320E+01 1.49992320E+01
scsd8-2r-1080.11003.27000.034 2.36999945E+01 2.36999943E+01
scsd8-2r-2160.220012.66000.017 2.33999839E+01 2.33999842E+01
sctap1-2b-640.30005.21000.058 4.84560000E+02 4.84560000E+02
slptsk0.81003.20000.253 2.98953660E+01 2.98953660E+01
south3139.1100105.74000.370 1.81894020E+09 1.81894020E+09
stocfor30.68006.45000.105 -3.99767839E+04 -3.99767839E+04
testbig0.24008.08000.030 -6.04229607E+01 -6.04229607E+01
ulevimin11.8700151.68000.078 -5.19110186E+09 -5.19110186E+09
wood1p0.05000.21000.238 1.44290241E+00 1.44290241E+00
world2.7900262.33000.011 4.03648731E+07 4.03648731E+07
cre-b1.800016.24000.111 2.31296399E+07 2.31296399E+07
cre-d1.080010.92000.099 2.44549698E+07 2.44549698E+07
fome203.0800349.93000.009 2.38216586E+10 2.38216586E+10
fome217.97002481.39000.003 4.73463189E+10 4.73463189E+10
ken-185.14001294.54000.004 -5.22170253E+10 -5.22170253E+10
kl020.27000.86000.314 2.15250000E+02 2.15250000E+02
nemsemm20.46008.39000.055 5.81079571E+05 5.81079571E+05
nsct10.44008.53000.052 -3.89224360E+07 -3.89224360E+07
nsct20.83001.85000.449 -3.71750820E+07 -3.71750820E+07
osa-140.50003.00000.167 1.10646284E+06 1.10646284E+06
osa-301.050011.39000.092 2.14213987E+06 2.14213987E+06
pds-203.0800350.90000.009 2.38216586E+10 2.38216586E+10
pds-307.41001167.13000.006 2.13854457E+10 2.13854457E+10
pds-4011.70003103.59000.004 1.88551988E+10 1.88551988E+10
rail5075.960027.44000.217 1.72145567E+02 1.72145567E+02
rail5162.520012.65000.199 1.82000000E+02 1.82000000E+02
rail5823.420027.35000.125 2.09712233E+02 2.09712233E+02
rat7a6.540042.86000.153 2.07437142E+06 2.07437142E+06
rlfddd0.320045.84000.007 -1.30000000E+01 -1.30000000E+01
rlfdual5.34002007.61000.003 -1.00000000E+00 -1.00000000E+00
rlfprim0.740035.82000.021 1.00000000E+00 1.00000000E+00
route0.320024.12000.013 5.94165028E+03 5.94165028E+03
scfxm1-2r-2566.6600122.64000.054 2.89170611E+03 2.89170611E+03
scsd8-2r-4320.470062.63000.008 2.57999696E+01 2.57999708E+01
sctap1-2r-4800.880016.12000.055 2.48500000E+02 2.48500000E+02
t0331-4l13.840052.82000.262 2.97300334E+04 2.97300334E+04
us040.31001.48000.209 1.77316667E+04 1.77316667E+04
dbic166.5000634.79000.105 -9.76897300E+06 -9.76897300E+06
dbir10.810015.38000.053 -8.10670700E+06 -8.10670700E+06
dbir21.28004.67000.274 -6.11691650E+06 -6.11691650E+06
nemsemm11.040010.64000.098 5.12959601E+05 5.12959601E+05
nw141.01002.90000.348 6.18440000E+04 6.18440000E+04
osa-602.400054.15000.044 4.04407250E+06 4.04407250E+06
self3.870010.25000.378 0.00000000E+00 0.00000000E+00

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Solver CPLEX faster - Obj same for both solvers:

Modelname Time (CPLEX) Time (GLPK4.22) Ratio (CPLEX / GLPK4.22) Obj (CPLEX) Obj (GLPK4.22)
air020.06000.12000.500 7.64000000E+03 7.64000000E+03
car40.41000.80000.513 3.54603702E+01 3.54603702E+01
crew10.20000.24000.833 2.05555556E+01 2.05555556E+01
model51.86003.01000.618 -8.58440729E+05 -8.58440729E+05
model72.81004.21000.667 4.93800855E+04 4.93800855E+04
nsir20.25000.49000.510 -2.71755935E+07 -2.71755935E+07
pilot878.070015.88000.508 3.01710359E+02 3.01710347E+02
fome130.66000.97000.680 0.00000000E+00 0.00000000E+00

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Solvers perform the same - Obj same for both solvers:

Modelname Time (CPLEX) Time (GLPK4.22) Ratio (CPLEX / GLPK4.22) Obj (CPLEX) Obj (GLPK4.22)
fome120.32000.31001.032 0.00000000E+00 0.00000000E+00

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Solver GLPK4.22 faster - Obj same for both solvers:

Modelname Time (CPLEX) Time (GLPK4.22) Ratio (CPLEX / GLPK4.22) Obj (CPLEX) Obj (GLPK4.22)
fome110.15000.11001.364 0.00000000E+00 0.00000000E+00
bas1lp3.20002.19001.461 3.63000000E+02 3.63000000E+02

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Solver GLPK4.22 much faster - Obj same for both solvers:

Modelname Time (CPLEX) Time (GLPK4.22) Ratio (CPLEX / GLPK4.22) Obj (CPLEX) Obj (GLPK4.22)
ex3sta121.22005.01004.236 -6.30754033E+01 -6.30754033E+01

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

Modelname Time (CPLEX) Time (GLPK4.22) Ratio (CPLEX / GLPK4.22) Obj (CPLEX) Obj (GLPK4.22)
bgindyinfeasible infeasible -- 6.14604248E+04 0.00000000E+00
goshinfeasible infeasible -- 5.76638122E+01 0.00000000E+00
lpl1infeasible infeasible -- 3.62181023E+02 2.84200000E+06
nug20fail fail -- 1.21494160E+09 0.00000000E+00
sgpf5y6infeasible infeasible -- 1.20307285E+10 -2.00000004E+03
nug30fail fail -- 9.45906494E+00 0.00000000E+00

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