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 :2-CPLEX-1.trc
Solvers used : CPLEX11
CPLEX11-Barrier
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 CPLEX11-Barrier better
Solver CPLEX11 infinitely faster :- - - -
Solver CPLEX11 much faster : 33 - 33 -
Solver CPLEX11 faster : 28 - 28 -
Solvers perform the same : 6 - 6 -
Solver CPLEX11-Barrier faster : 20 - 20 -
Solver CPLEX11-Barrier much faster : 25 - 25 -
Solver CPLEX11-Barrier infinitely faster : 1 - - 1
Both solvers failed to solve optimally : 5 - 5 -
Total models: : 11801171




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 much faster - Obj same for both solvers:

Modelname Time (CPLEX11) Time (CPLEX11-Barrier) Ratio (CPLEX11 / CPLEX11-Barrier) Obj (CPLEX11) Obj (CPLEX11-Barrier)
baxter0.84003.20000.262 5.60072557E+07 5.60072557E+07
gen10.12000.60000.200 6.62141474E-10 3.79021123E-07
gen40.860029.97000.029 0.00000000E+00 3.59261088E-07
mod23.12006.33000.493 2.77373714E+07 2.77373714E+07
nsir10.10001.26000.079 -2.89090330E+07 -2.89090330E+07
nsir20.26001.41000.184 -2.71755935E+07 -2.71755935E+07
pds-060.30001.10000.273 2.77610376E+10 2.77610376E+10
pds-100.62003.85000.161 2.67270950E+10 2.67270950E+10
scsd8-2r-1080.11000.88000.125 2.36999945E+01 2.37000000E+01
scsd8-2r-2160.23001.52000.151 2.33999839E+01 2.33999858E+01
world2.62006.24000.420 4.03648731E+07 4.03648731E+07
fome202.960016.69000.177 2.38216586E+10 2.38216586E+10
fome217.820041.41000.189 4.73463189E+10 4.73463189E+10
nsct10.490067.26000.007 -3.89224360E+07 -3.89224360E+07
nsct20.870047.47000.018 -3.71750820E+07 -3.71750820E+07
pds-202.980016.56000.180 2.38216586E+10 2.38216586E+10
pds-306.580047.37000.139 2.13854457E+10 2.13854457E+10
pds-4011.140092.85000.120 1.88551988E+10 1.88551988E+10
pds-5018.1700133.82000.136 1.66035257E+10 1.66035257E+10
pds-6026.6000193.98000.137 1.42659044E+10 1.42659044E+10
rlfddd0.36001.89000.190 -1.30000000E+01 -1.30000000E+01
rlfprim0.78002.64000.295 1.00000000E+00 1.00000000E+00
route0.32004.39000.073 5.94165028E+03 5.94165028E+03
scsd8-2r-4320.54001.18000.458 2.57999696E+01 2.57999980E+01
watson_115.440035.12000.440 -1.60928080E+03 -1.60927855E+03
dbir10.780029.06000.027 -8.10670700E+06 -8.10670700E+06
dbir21.280020.41000.063 -6.11691650E+06 -6.11691650E+06
nemsemm11.02004.19000.243 5.12959601E+05 5.12959601E+05
nw141.00003.34000.299 6.18440000E+04 6.18440000E+04
pds-10053.8100510.12000.105 1.09282300E+10 1.09282300E+10
pds-7034.4900268.50000.128 1.22411628E+10 1.22411628E+10
pds-8044.2700329.26000.134 1.14690775E+10 1.14690775E+10
pds-9052.9900385.62000.137 1.10875616E+10 1.10875616E+10

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Solver CPLEX11 faster - Obj same for both solvers:

Modelname Time (CPLEX11) Time (CPLEX11-Barrier) Ratio (CPLEX11 / CPLEX11-Barrier) Obj (CPLEX11) Obj (CPLEX11-Barrier)
air020.06000.11000.545 7.64000000E+03 7.64000000E+03
ken-110.27000.38000.711 -6.97238226E+09 -6.97238226E+09
ken-130.78001.05000.743 -1.02573948E+10 -1.02573948E+10
l3012.750018.54000.688 9.52661380E-01 9.52661366E-01
lpl31.01001.20000.842 2.73180000E+04 2.73180000E+04
osa-070.20000.28000.714 5.35722517E+05 5.35722517E+05
p0100.50000.99000.505 1.11504792E+06 1.11504792E+06
p050.24000.35000.686 5.56000277E+05 5.56000277E+05
r050.26000.38000.684 5.57831859E+05 5.57831859E+05
scfxm1-2b-641.40002.23000.628 2.87756386E+03 2.87756386E+03
scsd8-2b-640.26000.49000.531 1.59986680E+01 1.59986680E+01
scsd8-2c-640.28000.46000.609 1.49992320E+01 1.49992320E+01
sctap1-2b-640.28000.49000.571 4.84560000E+02 4.84560000E+02
slptsk0.80001.49000.537 2.98953660E+01 2.98953660E+01
testbig0.24000.28000.857 -6.04229607E+01 -6.04229607E+01
wood1p0.06000.10000.600 1.44290241E+00 1.44290241E+00
bas1lp8.11009.09000.892 3.63000000E+02 3.63000000E+02
cre-b1.68002.33000.721 2.31296399E+07 2.31296399E+07
cre-d0.94001.74000.540 2.44549698E+07 2.44549698E+07
ken-185.05006.90000.732 -5.22170253E+10 -5.22170253E+10
kl020.30000.36000.833 2.15250000E+02 2.15250000E+02
nemsemm20.49000.74000.662 5.81079571E+05 5.81079571E+05
osa-140.45000.68000.662 1.10646284E+06 1.10646284E+06
osa-301.06001.66000.639 2.14213987E+06 2.14213987E+06
rlfdual5.15007.57000.680 -1.00000000E+00 -1.00000000E+00
sctap1-2r-4800.84001.08000.778 2.48500000E+02 2.48500000E+02
us040.32000.36000.889 1.77316667E+04 1.77316667E+04
osa-602.69003.92000.686 4.04407250E+06 4.04407250E+06

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Solvers perform the same - Obj same for both solvers:

Modelname Time (CPLEX11) Time (CPLEX11-Barrier) Ratio (CPLEX11 / CPLEX11-Barrier) Obj (CPLEX11) Obj (CPLEX11-Barrier)
car40.42000.41001.024 3.54603702E+01 3.54603702E+01
jendrec10.96000.92001.043 7.02846051E+03 7.02846051E+03
model110.46000.48000.958 0.00000000E+00 0.00000000E+00
pcb30000.49000.52000.942 1.37416420E+05 1.37416420E+05
scfxm1-2r-961.12001.11001.009 2.89170611E+03 2.89170611E+03
fome130.63000.67000.940 0.00000000E+00 0.00000000E+00

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Solver CPLEX11-Barrier faster - Obj same for both solvers:

Modelname Time (CPLEX11) Time (CPLEX11-Barrier) Ratio (CPLEX11 / CPLEX11-Barrier) Obj (CPLEX11) Obj (CPLEX11-Barrier)
aa030.84000.57001.474 4.96163636E+04 4.96163636E+04
air060.84000.56001.500 4.96163636E+04 4.96163636E+04
cari0.10000.05002.000 5.81893058E+02 5.81893058E+02
cq51.18000.67001.761 4.00133807E+05 4.00133807E+05
cq93.55002.09001.699 5.05541710E+05 5.05541710E+05
crew10.21000.12001.750 2.05555556E+01 2.05555556E+01
fit2d0.41000.34001.206 -6.84642933E+04 -6.84642933E+04
fome110.18000.14001.286 0.00000000E+00 0.00000000E+00
fome120.34000.30001.133 0.00000000E+00 0.00000000E+00
maros-r71.38001.10001.255 1.49718517E+06 1.49718517E+06
rat10.32000.27001.185 1.99953166E+06 1.99953166E+06
rat50.90000.61001.475 3.08370701E+06 3.08370701E+06
rosen100.28000.15001.867 -1.74215456E+05 -1.74215456E+05
scfxm1-2r-640.95000.70001.357 2.87756386E+03 2.87756386E+03
scrs8-2r-5120.16000.14001.143 1.07409934E+03 1.07409934E+03
stocfor30.72000.63001.143 -3.99767839E+04 -3.99767839E+04
rat7a6.65003.60001.847 2.07437142E+06 2.07437142E+06
scfxm1-2r-2565.92004.10001.444 2.89170611E+03 2.89170611E+03
dbic163.060038.82001.624 -9.76897300E+06 -9.76897300E+06
self5.48003.36001.631 0.00000000E+00 0.00000000E+00

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Solver CPLEX11-Barrier much faster - Obj same for both solvers:

Modelname Time (CPLEX11) Time (CPLEX11-Barrier) Ratio (CPLEX11 / CPLEX11-Barrier) Obj (CPLEX11) Obj (CPLEX11-Barrier)
aa011.58000.71002.225 5.55354364E+04 5.55354364E+04
co51.53000.74002.068 7.14469554E+05 7.14469554E+05
co96.44002.16002.981 9.46920430E+05 9.46920430E+05
ex3sta119.14001.860010.290 -6.30754033E+01 -6.30754033E+01
fit2p2.13000.29007.345 6.84642933E+04 6.84642933E+04
gen29.63003.03003.178 3.29279078E+00 3.29279078E+00
lp2217.36004.06004.276 4.58944594E+02 4.58944594E+02
model107.25001.48004.899 -1.54599621E+05 -1.54599621E+05
model52.26000.73003.096 -8.58440729E+05 -8.58440729E+05
model71.89000.46004.109 4.93800855E+04 4.93800855E+04
model90.72000.33002.182 -1.41123094E+05 -1.41123094E+05
nemspmm12.32000.55004.218 -3.27415836E+05 -3.27415836E+05
nemspmm22.24000.67003.343 -2.91794836E+05 -2.91794836E+05
nemswrld23.55003.16007.453 2.60308966E+02 2.60308966E+02
nug151338.450051.630025.924 1.04099404E+03 1.04099404E+03
pilot878.06002.49003.237 3.01710616E+02 3.01710347E+02
qap151304.210049.110026.557 1.04099404E+03 1.04099404E+03
south3136.12000.800045.150 1.81894020E+09 1.81894020E+09
ulevimin11.48003.88002.959 -5.19110186E+09 -5.19110186E+09
rail5075.35001.32004.053 1.72145567E+02 1.72145567E+02
rail5162.43000.96002.531 1.82000000E+02 1.82000000E+02
rail5823.36001.38002.435 2.09712233E+02 2.09712233E+02
t0331-4l11.71001.80006.506 2.97300334E+04 2.97300334E+04
rail2586974.380062.450015.603 9.35921821E+02 9.35921821E+02
rail42842431.5700147.230016.515 1.05405449E+03 1.05405449E+03

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Solver CPLEX11-Barrier infinitely faster - Obj of CPLEX11-Barrier better:

Modelname Time (CPLEX11) Time (CPLEX11-Barrier) Ratio (CPLEX11 / CPLEX11-Barrier) Obj (CPLEX11) Obj (CPLEX11-Barrier)
nug20fail 730.1200 -- 1.70341797E+03 2.18160332E+03

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

Modelname Time (CPLEX11) Time (CPLEX11-Barrier) Ratio (CPLEX11 / CPLEX11-Barrier) Obj (CPLEX11) Obj (CPLEX11-Barrier)
bgindyinfeasible infeasible -- 6.14604248E+04 3.15059998E+02
goshinfeasible infeasible -- 4.91202465E+01 8.99800000E+00
lpl1infeasible fail -- 3.61926802E+02 NA
sgpf5y6infeasible fail -- 7.18242695E+09 NA
nug30fail fail -- 1.60000000E+01 0.00000000E+00

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