Resource Times:

Date / Time: 01/07/08 20:11:25


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 :4-CBC-0.trc
Tracefile 2 :5-GLPK-0.trc
Solvers used : CLP
GLPK424
Modeltype(s)   LP
Threshold: Solver Faster 10%
Threshold: Solver Much Faster 50%
Threshold: Solver Infinitely Faster Other solver failed


Total Obj CLP better Obj same Obj GLPK424 better
Solver CLP infinitely faster : 11 11 - -
Solver CLP much faster : 71 - 71 -
Solver CLP faster : 14 - 14 -
Solvers perform the same : 5 - 5 -
Solver GLPK424 faster : 6 - 6 -
Solver GLPK424 much faster : 2 - 2 -
Solver GLPK424 infinitely faster : 2 - - 2
Both solvers failed to solve optimally : 7 - 7 -
Total models: : 118111052




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 CLP infinitely faster - Obj of CLP better:

Modelname Time (CLP) Time (GLPK424) Ratio (CLP / GLPK424) Obj (CLP) Obj (GLPK424)
gen11.1400fail -- 1.21928894E-06 0.00000000E+00
gen454.4500fail -- 2.85445947E-06 0.00000000E+00
l3014.9300fail -- 9.52661417E-01 NA
pds-5022.1600fail -- 1.66035257E+10 0.00000000E+00
pds-6033.3700fail -- 1.42659044E+10 0.00000000E+00
watson_186.4600fail -- -1.60928072E+03 0.00000000E+00
pds-10075.0000fail -- 1.09282300E+10 0.00000000E+00
pds-7044.7900fail -- 1.22411628E+10 0.00000000E+00
pds-8059.1600fail -- 1.14690775E+10 0.00000000E+00
pds-9063.8900fail -- 1.10875616E+10 0.00000000E+00
rail25861743.5600fail -- 9.35921821E+02 0.00000000E+00

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Solver CLP much faster - Obj same for both solvers:

Modelname Time (CLP) Time (GLPK424) Ratio (CLP / GLPK424) Obj (CLP) Obj (GLPK424)
aa011.830011.43000.160 5.55354364E+04 5.55354364E+04
aa031.04009.50000.109 4.96163636E+04 4.96163636E+04
air061.05009.47000.111 4.96163636E+04 4.96163636E+04
baxter0.940020.99000.045 5.60072557E+07 5.60072557E+07
co52.66008.97000.297 7.14469554E+05 7.14469554E+05
co911.540047.86000.241 9.46920430E+05 9.46920430E+05
cq51.23006.15000.200 4.00133807E+05 4.00133807E+05
cq95.600025.83000.217 5.05541710E+05 5.05541710E+05
fit2d3.47009.49000.366 -6.84642933E+04 -6.84642933E+04
jendrec12.62009.60000.273 7.02846051E+03 7.02846051E+03
ken-110.420012.25000.034 -6.97238226E+09 -6.97238226E+09
ken-131.160073.18000.016 -1.02573948E+10 -1.02573948E+10
lp2229.7100118.75000.250 4.58944594E+02 4.58944594E+02
lpl30.740012.25000.060 2.73180000E+04 2.73180000E+04
maros-r72.55005.95000.429 1.49718517E+06 1.49718517E+06
mod24.7800218.17000.022 2.77373714E+07 2.77373714E+07
model112.33005.41000.431 0.00000000E+00 0.00000000E+00
nemswrld43.4300160.54000.271 2.60308966E+02 2.60308966E+02
nsir10.32000.99000.323 -2.89090330E+07 -2.89090330E+07
osa-070.25000.63000.397 5.35722517E+05 5.35722517E+05
p0100.860015.09000.057 1.11504792E+06 1.11504792E+06
p050.34003.81000.089 5.56000277E+05 5.56000277E+05
pcb30000.69004.09000.169 1.37416420E+05 1.37416420E+05
pds-060.41003.74000.110 2.77610376E+10 2.77610376E+10
pds-100.890015.41000.058 2.67270950E+10 2.67270950E+10
r050.34004.15000.082 5.57831859E+05 5.57831859E+05
rat10.39003.59000.109 1.99953166E+06 1.99953166E+06
rat51.39004.67000.298 3.08370701E+06 3.08370701E+06
rosen100.14001.45000.097 -1.74215456E+05 -1.74215456E+05
scfxm1-2b-643.280031.01000.106 2.87756386E+03 2.87756386E+03
scfxm1-2r-641.03006.59000.156 2.87756386E+03 2.87756386E+03
scfxm1-2r-962.040014.78000.138 2.89170611E+03 2.89170611E+03
scrs8-2r-5120.190013.61000.014 1.07409934E+03 1.07409934E+03
scsd8-2b-640.370019.24000.019 1.59986680E+01 1.59986680E+01
scsd8-2c-640.370020.34000.018 1.49992320E+01 1.49992320E+01
scsd8-2r-1080.10003.25000.031 2.36999943E+01 2.36999943E+01
scsd8-2r-2160.260012.73000.020 2.33999839E+01 2.33999842E+01
sctap1-2b-640.82005.20000.158 4.84560000E+02 4.84560000E+02
south3125.5100105.36000.242 1.81894020E+09 1.81894020E+09
stocfor31.01006.47000.156 -3.99767839E+04 -3.99767839E+04
testbig0.94008.13000.116 -6.04229607E+01 -6.04229607E+01
ulevimin29.5800151.13000.196 -5.19110186E+09 -5.19110186E+09
world5.4000263.72000.020 4.03648731E+07 4.03648731E+07
cre-b2.870016.27000.176 2.31296399E+07 2.31296399E+07
cre-d1.810010.97000.165 2.44549698E+07 2.44549698E+07
fome203.7100348.72000.011 2.38216586E+10 2.38216586E+10
fome217.90002495.89000.003 4.73463189E+10 4.73463189E+10
ken-187.44001312.64000.006 -5.22170253E+10 -5.22170253E+10
nemsemm20.79008.37000.094 5.81079571E+05 5.81079571E+05
nsct11.14008.63000.132 -3.89224360E+07 -3.89224360E+07
osa-140.73002.98000.245 1.10646284E+06 1.10646284E+06
osa-301.520011.43000.133 2.14213987E+06 2.14213987E+06
pds-203.7000348.82000.011 2.38216586E+10 2.38216586E+10
pds-308.59001170.40000.007 2.13854457E+10 2.13854457E+10
pds-4015.58003121.67000.005 1.88551988E+10 1.88551988E+10
rail5079.450027.34000.346 1.72145567E+02 1.72145567E+02
rail5163.210012.62000.254 1.82000000E+02 1.82000000E+02
rail5826.900027.32000.253 2.09712233E+02 2.09712233E+02
rat7a18.450042.91000.430 2.07437142E+06 2.07437142E+06
rlfddd0.320045.79000.007 -1.30000000E+01 -1.30000000E+01
rlfdual50.88002019.46000.025 -1.00000000E+00 -1.00000000E+00
rlfprim2.070035.76000.058 1.00000000E+00 1.00000000E+00
route0.370024.11000.015 5.94165028E+03 5.94165028E+03
scfxm1-2r-25613.3600122.36000.109 2.89170611E+03 2.89170611E+03
scsd8-2r-4320.750061.92000.012 2.57999695E+01 2.57999708E+01
sctap1-2r-4801.900016.15000.118 2.48500000E+02 2.48500000E+02
t0331-4l16.040052.75000.304 2.97300334E+04 2.97300334E+04
dbic1266.5700633.79000.421 -9.76897300E+06 -9.76897300E+06
dbir13.450015.37000.224 -8.10670700E+06 -8.10670700E+06
nemsemm12.730010.52000.260 5.12959601E+05 5.12959601E+05
osa-604.930054.30000.091 4.04407250E+06 4.04407250E+06

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Solver CLP faster - Obj same for both solvers:

Modelname Time (CLP) Time (GLPK424) Ratio (CLP / GLPK424) Obj (CLP) Obj (GLPK424)
air020.07000.12000.583 7.64000000E+03 7.64000000E+03
crew10.16000.27000.593 2.05555556E+01 2.05555556E+01
fit2p3.77006.41000.588 6.84642933E+04 6.84642933E+04
model72.56004.21000.608 4.93800855E+04 4.93800855E+04
model91.53002.69000.569 -1.41123094E+05 -1.41123094E+05
nemspmm13.13005.00000.626 -3.27415836E+05 -3.27415836E+05
nemspmm23.12005.98000.522 -2.91794836E+05 -2.91794836E+05
pilot8710.910016.00000.682 3.01710366E+02 3.01710347E+02
slptsk1.97003.22000.612 2.98953660E+01 2.98953660E+01
wood1p0.12000.21000.571 1.44290241E+00 1.44290241E+00
bas1lp1.80002.19000.822 3.63000000E+02 3.63000000E+02
kl020.51000.87000.586 2.15250000E+02 2.15250000E+02
dbir22.84004.63000.613 -6.11691650E+06 -6.11691650E+06
self5.790010.14000.571 0.00000000E+00 0.00000000E+00

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Solvers perform the same - Obj same for both solvers:

Modelname Time (CLP) Time (GLPK424) Ratio (CLP / GLPK424) Obj (CLP) Obj (GLPK424)
gen241.910041.26001.016 3.29279078E+00 3.29279078E+00
nsir20.49000.47001.043 -2.71755935E+07 -2.71755935E+07
fome130.92001.02000.902 0.00000000E+00 0.00000000E+00
nsct21.93001.87001.032 -3.71750820E+07 -3.71750820E+07
nw142.63002.89000.910 6.18440000E+04 6.18440000E+04

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Solver GLPK424 faster - Obj same for both solvers:

Modelname Time (CLP) Time (GLPK424) Ratio (CLP / GLPK424) Obj (CLP) Obj (GLPK424)
car41.40000.80001.750 3.54603702E+01 3.54603702E+01
cari0.33000.20001.650 5.81893058E+02 5.81893058E+02
fome110.19000.12001.583 0.00000000E+00 0.00000000E+00
fome120.41000.35001.171 0.00000000E+00 0.00000000E+00
model1024.000019.09001.257 -1.54599621E+05 -1.54599621E+05
model53.63003.02001.202 -8.58440729E+05 -8.58440729E+05

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Solver GLPK424 much faster - Obj same for both solvers:

Modelname Time (CLP) Time (GLPK424) Ratio (CLP / GLPK424) Obj (CLP) Obj (GLPK424)
ex3sta1104.63005.070020.637 -6.30754033E+01 -6.30754033E+01
us046.31001.46004.322 1.77316667E+04 1.77316667E+04

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Solver GLPK424 infinitely faster - Obj of GLPK424 better:

Modelname Time (CLP) Time (GLPK424) Ratio (CLP / GLPK424) Obj (CLP) Obj (GLPK424)
nug15fail 3372.2200 -- 1.02756661E+03 1.04099404E+03
qap15fail 3304.4400 -- 1.02103160E+03 1.04099404E+03

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

Modelname Time (CLP) Time (GLPK424) Ratio (CLP / GLPK424) Obj (CLP) Obj (GLPK424)
bgindyinfeasible infeasible -- 9.53478384E+06 0.00000000E+00
goshinfeasible infeasible -- -1.48537878E+03 0.00000000E+00
lpl1infeasible infeasible -- 2.84341900E+06 2.84200000E+06
nug20fail fail -- 1.34027115E+03 0.00000000E+00
sgpf5y6infeasible infeasible -- 5.07891512E+05 -2.00000004E+03
nug30fail fail -- 7.04688773E+02 0.00000000E+00
rail4284fail fail -- 1.04944456E+03 0.00000000E+00

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