Resource Times:

Date / Time: 01/07/08 20:11:23


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 :5-GLPK-0.trc
Solvers used : CPLEX11
GLPK424
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 GLPK424 better
Solver CPLEX11 infinitely faster : 12 12 - -
Solver CPLEX11 much faster : 87 - 87 -
Solver CPLEX11 faster : 9 - 9 -
Solvers perform the same : 1 - 1 -
Solver GLPK424 faster : 1 - 1 -
Solver GLPK424 much faster : 2 - 2 -
Solver GLPK424 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 CPLEX11 infinitely faster - Obj of CPLEX11 better:

Modelname Time (CPLEX11) Time (GLPK424) Ratio (CPLEX11 / GLPK424) Obj (CPLEX11) Obj (GLPK424)
gen10.1200fail -- 6.62141474E-10 0.00000000E+00
gen40.8600fail -- 0.00000000E+00 0.00000000E+00
l3012.7500fail -- 9.52661380E-01 NA
pds-5018.1700fail -- 1.66035257E+10 0.00000000E+00
pds-6026.6000fail -- 1.42659044E+10 0.00000000E+00
watson_115.4400fail -- -1.60928080E+03 0.00000000E+00
pds-10053.8100fail -- 1.09282300E+10 0.00000000E+00
pds-7034.4900fail -- 1.22411628E+10 0.00000000E+00
pds-8044.2700fail -- 1.14690775E+10 0.00000000E+00
pds-9052.9900fail -- 1.10875616E+10 0.00000000E+00
rail2586974.3800fail -- 9.35921821E+02 0.00000000E+00
rail42842431.5700fail -- 1.05405449E+03 0.00000000E+00

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Solver CPLEX11 much faster - Obj same for both solvers:

Modelname Time (CPLEX11) Time (GLPK424) Ratio (CPLEX11 / GLPK424) Obj (CPLEX11) Obj (GLPK424)
aa011.580011.43000.138 5.55354364E+04 5.55354364E+04
aa030.84009.50000.088 4.96163636E+04 4.96163636E+04
air060.84009.47000.089 4.96163636E+04 4.96163636E+04
baxter0.840020.99000.040 5.60072557E+07 5.60072557E+07
co51.53008.97000.171 7.14469554E+05 7.14469554E+05
co96.440047.86000.135 9.46920430E+05 9.46920430E+05
cq51.18006.15000.192 4.00133807E+05 4.00133807E+05
cq93.550025.83000.137 5.05541710E+05 5.05541710E+05
fit2d0.41009.49000.043 -6.84642933E+04 -6.84642933E+04
fit2p2.13006.41000.332 6.84642933E+04 6.84642933E+04
gen29.630041.26000.233 3.29279078E+00 3.29279078E+00
jendrec10.96009.60000.100 7.02846051E+03 7.02846051E+03
ken-110.270012.25000.022 -6.97238226E+09 -6.97238226E+09
ken-130.780073.18000.011 -1.02573948E+10 -1.02573948E+10
lp2217.3600118.75000.146 4.58944594E+02 4.58944594E+02
lpl31.010012.25000.082 2.73180000E+04 2.73180000E+04
maros-r71.38005.95000.232 1.49718517E+06 1.49718517E+06
mod23.1200218.17000.014 2.77373714E+07 2.77373714E+07
model107.250019.09000.380 -1.54599621E+05 -1.54599621E+05
model110.46005.41000.085 0.00000000E+00 0.00000000E+00
model71.89004.21000.449 4.93800855E+04 4.93800855E+04
model90.72002.69000.268 -1.41123094E+05 -1.41123094E+05
nemspmm12.32005.00000.464 -3.27415836E+05 -3.27415836E+05
nemspmm22.24005.98000.375 -2.91794836E+05 -2.91794836E+05
nemswrld23.5500160.54000.147 2.60308966E+02 2.60308966E+02
nsir10.10000.99000.101 -2.89090330E+07 -2.89090330E+07
nug151338.45003372.22000.397 1.04099404E+03 1.04099404E+03
osa-070.20000.63000.317 5.35722517E+05 5.35722517E+05
p0100.500015.09000.033 1.11504792E+06 1.11504792E+06
p050.24003.81000.063 5.56000277E+05 5.56000277E+05
pcb30000.49004.09000.120 1.37416420E+05 1.37416420E+05
pds-060.30003.74000.080 2.77610376E+10 2.77610376E+10
pds-100.620015.41000.040 2.67270950E+10 2.67270950E+10
qap151304.21003304.44000.395 1.04099404E+03 1.04099404E+03
r050.26004.15000.063 5.57831859E+05 5.57831859E+05
rat10.32003.59000.089 1.99953166E+06 1.99953166E+06
rat50.90004.67000.193 3.08370701E+06 3.08370701E+06
rosen100.28001.45000.193 -1.74215456E+05 -1.74215456E+05
scfxm1-2b-641.400031.01000.045 2.87756386E+03 2.87756386E+03
scfxm1-2r-640.95006.59000.144 2.87756386E+03 2.87756386E+03
scfxm1-2r-961.120014.78000.076 2.89170611E+03 2.89170611E+03
scrs8-2r-5120.160013.61000.012 1.07409934E+03 1.07409934E+03
scsd8-2b-640.260019.24000.014 1.59986680E+01 1.59986680E+01
scsd8-2c-640.280020.34000.014 1.49992320E+01 1.49992320E+01
scsd8-2r-1080.11003.25000.034 2.36999945E+01 2.36999943E+01
scsd8-2r-2160.230012.73000.018 2.33999839E+01 2.33999842E+01
sctap1-2b-640.28005.20000.054 4.84560000E+02 4.84560000E+02
slptsk0.80003.22000.248 2.98953660E+01 2.98953660E+01
south3136.1200105.36000.343 1.81894020E+09 1.81894020E+09
stocfor30.72006.47000.111 -3.99767839E+04 -3.99767839E+04
testbig0.24008.13000.030 -6.04229607E+01 -6.04229607E+01
ulevimin11.4800151.13000.076 -5.19110186E+09 -5.19110186E+09
wood1p0.06000.21000.286 1.44290241E+00 1.44290241E+00
world2.6200263.72000.010 4.03648731E+07 4.03648731E+07
cre-b1.680016.27000.103 2.31296399E+07 2.31296399E+07
cre-d0.940010.97000.086 2.44549698E+07 2.44549698E+07
fome202.9600348.72000.008 2.38216586E+10 2.38216586E+10
fome217.82002495.89000.003 4.73463189E+10 4.73463189E+10
ken-185.05001312.64000.004 -5.22170253E+10 -5.22170253E+10
kl020.30000.87000.345 2.15250000E+02 2.15250000E+02
nemsemm20.49008.37000.059 5.81079571E+05 5.81079571E+05
nsct10.49008.63000.057 -3.89224360E+07 -3.89224360E+07
nsct20.87001.87000.465 -3.71750820E+07 -3.71750820E+07
osa-140.45002.98000.151 1.10646284E+06 1.10646284E+06
osa-301.060011.43000.093 2.14213987E+06 2.14213987E+06
pds-202.9800348.82000.009 2.38216586E+10 2.38216586E+10
pds-306.58001170.40000.006 2.13854457E+10 2.13854457E+10
pds-4011.14003121.67000.004 1.88551988E+10 1.88551988E+10
rail5075.350027.34000.196 1.72145567E+02 1.72145567E+02
rail5162.430012.62000.193 1.82000000E+02 1.82000000E+02
rail5823.360027.32000.123 2.09712233E+02 2.09712233E+02
rat7a6.650042.91000.155 2.07437142E+06 2.07437142E+06
rlfddd0.360045.79000.008 -1.30000000E+01 -1.30000000E+01
rlfdual5.15002019.46000.003 -1.00000000E+00 -1.00000000E+00
rlfprim0.780035.76000.022 1.00000000E+00 1.00000000E+00
route0.320024.11000.013 5.94165028E+03 5.94165028E+03
scfxm1-2r-2565.9200122.36000.048 2.89170611E+03 2.89170611E+03
scsd8-2r-4320.540061.92000.009 2.57999696E+01 2.57999708E+01
sctap1-2r-4800.840016.15000.052 2.48500000E+02 2.48500000E+02
t0331-4l11.710052.75000.222 2.97300334E+04 2.97300334E+04
us040.32001.46000.219 1.77316667E+04 1.77316667E+04
dbic163.0600633.79000.099 -9.76897300E+06 -9.76897300E+06
dbir10.780015.37000.051 -8.10670700E+06 -8.10670700E+06
dbir21.28004.63000.276 -6.11691650E+06 -6.11691650E+06
nemsemm11.020010.52000.097 5.12959601E+05 5.12959601E+05
nw141.00002.89000.346 6.18440000E+04 6.18440000E+04
osa-602.690054.30000.050 4.04407250E+06 4.04407250E+06

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Solver CPLEX11 faster - Obj same for both solvers:

Modelname Time (CPLEX11) Time (GLPK424) Ratio (CPLEX11 / GLPK424) Obj (CPLEX11) Obj (GLPK424)
air020.06000.12000.500 7.64000000E+03 7.64000000E+03
car40.42000.80000.525 3.54603702E+01 3.54603702E+01
cari0.10000.20000.500 5.81893058E+02 5.81893058E+02
crew10.21000.27000.778 2.05555556E+01 2.05555556E+01
model52.26003.02000.748 -8.58440729E+05 -8.58440729E+05
nsir20.26000.47000.553 -2.71755935E+07 -2.71755935E+07
pilot878.060016.00000.504 3.01710616E+02 3.01710347E+02
fome130.63001.02000.618 0.00000000E+00 0.00000000E+00
self5.480010.14000.540 0.00000000E+00 0.00000000E+00

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Solvers perform the same - Obj same for both solvers:

Modelname Time (CPLEX11) Time (GLPK424) Ratio (CPLEX11 / GLPK424) Obj (CPLEX11) Obj (GLPK424)
fome120.34000.35000.971 0.00000000E+00 0.00000000E+00

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Solver GLPK424 faster - Obj same for both solvers:

Modelname Time (CPLEX11) Time (GLPK424) Ratio (CPLEX11 / GLPK424) Obj (CPLEX11) Obj (GLPK424)
fome110.18000.12001.500 0.00000000E+00 0.00000000E+00

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Solver GLPK424 much faster - Obj same for both solvers:

Modelname Time (CPLEX11) Time (GLPK424) Ratio (CPLEX11 / GLPK424) Obj (CPLEX11) Obj (GLPK424)
ex3sta119.14005.07003.775 -6.30754033E+01 -6.30754033E+01
bas1lp8.11002.19003.703 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 (GLPK424) Ratio (CPLEX11 / GLPK424) Obj (CPLEX11) Obj (GLPK424)
bgindyinfeasible infeasible -- 6.14604248E+04 0.00000000E+00
goshinfeasible infeasible -- 4.91202465E+01 0.00000000E+00
lpl1infeasible infeasible -- 3.61926802E+02 2.84200000E+06
nug20fail fail -- 1.70341797E+03 0.00000000E+00
sgpf5y6infeasible infeasible -- 7.18242695E+09 -2.00000004E+03
nug30fail fail -- 1.60000000E+01 0.00000000E+00

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