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 :2-CBC-0.trc
Tracefile 2 :4-GLPK-4.20.trc
Solvers used : CLP
GLPK4.20
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 GLPK4.20 better
Solver CLP infinitely faster : 23 23 - -
Solver CLP much faster : 64 - 64 -
Solver CLP faster : 12 - 12 -
Solvers perform the same : 1 - 1 -
Solver GLPK4.20 faster : 6 - 6 -
Solver GLPK4.20 much faster : 3 - 3 -
Solver GLPK4.20 infinitely faster :- - - -
Both solvers failed to solve optimally : 9 - 9 -
Total models: : 11823950




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:

Back to top

Solver CLP infinitely faster - Obj of CLP better:

Modelname Time (CLP) Time (GLPK4.20) Ratio (CLP / GLPK4.20) Obj (CLP) Obj (GLPK4.20)
aa031.1000fail -- 4.96163636E+04 0.00000000E+00
air061.1100fail -- 4.96163636E+04 0.00000000E+00
gen11.2100fail -- 1.21928894E-06 0.00000000E+00
gen462.6100fail -- 2.85445947E-06 NA
l3017.8900fail -- 9.52661417E-01 0.00000000E+00
lp2234.1800fail -- 4.58944594E+02 0.00000000E+00
scfxm1-2b-643.7000fail -- 2.87756386E+03 0.00000000E+00
scfxm1-2r-641.1200fail -- 2.87756386E+03 0.00000000E+00
scfxm1-2r-962.2800fail -- 2.89170611E+03 0.00000000E+00
ulevimin33.3700fail -- -5.19110186E+09 0.00000000E+00
fome219.1500fail -- 4.73463189E+10 0.00000000E+00
pds-3010.0100fail -- 2.13854457E+10 0.00000000E+00
pds-4018.3800fail -- 1.88551988E+10 0.00000000E+00
pds-5026.3100fail -- 1.66035257E+10 0.00000000E+00
pds-6039.7900fail -- 1.42659044E+10 0.00000000E+00
rlfdual60.2200fail -- -1.00000000E+00 0.00000000E+00
scfxm1-2r-25616.2800fail -- 2.89170611E+03 0.00000000E+00
watson_1104.6500fail -- -1.60928072E+03 0.00000000E+00
pds-10090.0600fail -- 1.09282300E+10 0.00000000E+00
pds-7053.7600fail -- 1.22411628E+10 0.00000000E+00
pds-8071.0200fail -- 1.14690775E+10 0.00000000E+00
pds-9076.1900fail -- 1.10875616E+10 0.00000000E+00
rail25862059.1800fail -- 9.35921821E+02 0.00000000E+00

Back to top



Back to top

Solver CLP much faster - Obj same for both solvers:

Modelname Time (CLP) Time (GLPK4.20) Ratio (CLP / GLPK4.20) Obj (CLP) Obj (GLPK4.20)
aa011.960088.83000.022 5.55354364E+04 5.55354364E+04
baxter1.030014.45000.071 5.60072557E+07 5.60072557E+07
co52.940012.78000.230 7.14469554E+05 7.14469554E+05
co913.950067.23000.207 9.46920430E+05 9.46920430E+05
cq51.330010.32000.129 4.00133807E+05 4.00133807E+05
cq96.510063.50000.103 5.05541710E+05 5.05541710E+05
fit2d3.51007.70000.456 -6.84642933E+04 -6.84642933E+04
fit2p4.070011.15000.365 6.84642933E+04 6.84642933E+04
gen246.61001192.28000.039 3.29279078E+00 3.29279079E+00
jendrec12.69006.96000.386 7.02846051E+03 7.02846051E+03
ken-110.470010.34000.045 -6.97238226E+09 -6.97238226E+09
ken-131.300067.39000.019 -1.02573948E+10 -1.02573948E+10
lpl30.810011.25000.072 2.73180000E+04 2.73180000E+04
mod25.6000488.10000.011 2.77373714E+07 2.77373714E+07
nemspmm13.360010.04000.335 -3.27415836E+05 -3.27415836E+05
nemspmm23.400010.28000.331 -2.91794836E+05 -2.91794836E+05
nemswrld50.8000340.34000.149 2.60308966E+02 2.60308966E+02
nsir10.32001.98000.162 -2.89090330E+07 -2.89090330E+07
p0100.920021.12000.044 1.11504792E+06 1.11504792E+06
p050.34005.60000.061 5.56000277E+05 5.56000277E+05
pcb30000.75003.81000.197 1.37416420E+05 1.37416420E+05
pds-060.440017.04000.026 2.77610376E+10 2.77610376E+10
pds-101.0000116.48000.009 2.67270950E+10 2.67270950E+10
pilot8712.530054.41000.230 3.01710366E+02 3.01710347E+02
r050.38006.77000.056 5.57831859E+05 5.57831859E+05
rat10.41001.96000.209 1.99953166E+06 1.99953166E+06
rosen100.13002.89000.045 -1.74215456E+05 -1.74215456E+05
scrs8-2r-5120.210010.09000.021 1.07409934E+03 1.07409934E+03
scsd8-2b-640.370010.54000.035 1.59986680E+01 1.59986680E+01
scsd8-2c-640.40009.64000.041 1.49992320E+01 1.49992320E+01
scsd8-2r-1080.12002.58000.047 2.36999943E+01 2.36999943E+01
scsd8-2r-2160.300011.09000.027 2.33999839E+01 2.33999842E+01
sctap1-2b-640.88004.18000.211 4.84560000E+02 4.84560000E+02
slptsk2.08004.29000.485 2.98953660E+01 2.98953660E+01
south3130.4900108.17000.282 1.81894020E+09 1.81894020E+09
stocfor31.11006.13000.181 -3.99767839E+04 -3.99767839E+04
testbig1.01006.20000.163 -6.04229607E+01 -6.04229607E+01
world6.3600575.92000.011 4.03648731E+07 4.03648731E+07
bas1lp2.07005.15000.402 3.63000000E+02 3.63000000E+02
cre-b3.170023.96000.132 2.31296399E+07 2.31296399E+07
cre-d1.960013.13000.149 2.44549698E+07 2.44549698E+07
fome204.31002210.86000.002 2.38216586E+10 2.38216586E+10
ken-188.44001168.49000.007 -5.22170253E+10 -5.22170253E+10
kl020.55001.15000.478 2.15250000E+02 2.15250000E+02
nemsemm20.87007.21000.121 5.81079571E+05 5.81079571E+05
nsct11.21009.58000.126 -3.89224360E+07 -3.89224360E+07
osa-140.82001.81000.453 1.10646284E+06 1.10646284E+06
osa-301.65006.72000.246 2.14213987E+06 2.14213987E+06
pds-204.21002255.51000.002 2.38216586E+10 2.38216586E+10
rail50711.000090.43000.122 1.72145567E+02 1.72145567E+02
rail5163.630046.39000.078 1.82000000E+02 1.82000000E+02
rail5827.8600128.15000.061 2.09712233E+02 2.09712233E+02
rlfddd0.320017.84000.018 -1.30000000E+01 -1.30000000E+01
rlfprim1.1900575.41000.002 1.00000000E+00 1.00000000E+00
route0.4000388.83000.001 5.94165028E+03 5.94165028E+03
scsd8-2r-4320.850049.67000.017 2.57999695E+01 2.57999708E+01
sctap1-2r-4802.050016.19000.127 2.48500000E+02 2.48500000E+02
t0331-4l18.0500282.98000.064 2.97300334E+04 2.97300334E+04
dbic1306.58001392.67000.220 -9.76897300E+06 -9.76897300E+06
dbir13.910034.45000.113 -8.10670700E+06 -8.10670700E+06
dbir23.080038.75000.079 -6.11691650E+06 -6.11691650E+06
nemsemm12.87005.96000.482 5.12959601E+05 5.12959601E+05
osa-605.940033.74000.176 4.04407250E+06 4.04407250E+06
self6.560014.47000.453 0.00000000E+00 0.00000000E+00

Back to top



Back to top

Solver CLP faster - Obj same for both solvers:

Modelname Time (CLP) Time (GLPK4.20) Ratio (CLP / GLPK4.20) Obj (CLP) Obj (GLPK4.20)
air020.06000.09000.667 7.64000000E+03 7.64000000E+03
car41.59001.87000.850 3.54603702E+01 3.54603702E+01
crew10.16000.28000.571 2.05555556E+01 2.05555556E+01
model1027.410035.15000.780 -1.54599621E+05 -1.54599621E+05
model112.65003.30000.803 0.00000000E+00 0.00000000E+00
model72.71004.92000.551 4.93800855E+04 4.93800855E+04
model91.63002.79000.584 -1.41123094E+05 -1.41123094E+05
nsir20.50000.93000.538 -2.71755935E+07 -2.71755935E+07
osa-070.26000.43000.605 5.35722517E+05 5.35722517E+05
rat51.52002.15000.707 3.08370701E+06 3.08370701E+06
nsct22.04002.96000.689 -3.71750820E+07 -3.71750820E+07
nw142.78003.66000.760 6.18440000E+04 6.18440000E+04

Back to top



Back to top

Solvers perform the same - Obj same for both solvers:

Modelname Time (CLP) Time (GLPK4.20) Ratio (CLP / GLPK4.20) Obj (CLP) Obj (GLPK4.20)
wood1p0.12000.13000.923 1.44290241E+00 1.44290241E+00

Back to top



Back to top

Solver GLPK4.20 faster - Obj same for both solvers:

Modelname Time (CLP) Time (GLPK4.20) Ratio (CLP / GLPK4.20) Obj (CLP) Obj (GLPK4.20)
fome120.48000.27001.778 0.00000000E+00 0.00000000E+00
maros-r72.91002.38001.223 1.49718517E+06 1.49718517E+06
model53.92003.23001.214 -8.58440729E+05 -8.58440729E+05
fome131.01000.78001.295 0.00000000E+00 0.00000000E+00
rat7a20.930016.87001.241 2.07437142E+06 2.07437142E+06
us046.48004.76001.361 1.77316667E+04 1.77316667E+04

Back to top



Back to top

Solver GLPK4.20 much faster - Obj same for both solvers:

Modelname Time (CLP) Time (GLPK4.20) Ratio (CLP / GLPK4.20) Obj (CLP) Obj (GLPK4.20)
cari0.34000.16002.125 5.81893058E+02 5.81893058E+02
ex3sta1123.22003.870031.840 -6.30754033E+01 -6.30754033E+01
fome110.24000.10002.400 0.00000000E+00 0.00000000E+00

Back to top



Back to top

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

Modelname Time (CLP) Time (GLPK4.20) Ratio (CLP / GLPK4.20) Obj (CLP) Obj (GLPK4.20)
bgindyinfeasible infeasible -- 9.53478384E+06 0.00000000E+00
goshinfeasible infeasible -- -1.48537878E+03 0.00000000E+00
nug15fail fail -- 1.02403115E+03 0.00000000E+00
qap15fail fail -- 1.01763595E+03 0.00000000E+00
lpl1infeasible infeasible -- 2.84341900E+06 2.84200000E+06
nug20fail fail -- 1.32542664E+03 0.00000000E+00
sgpf5y6infeasible infeasible -- 5.07891512E+05 -2.00000004E+03
nug30fail fail -- 6.42929894E+02 0.00000000E+00
rail4284fail fail -- 1.03719438E+03 0.00000000E+00

Back to top