Resource Times:

Results created on 11/20/09 15:35:10 using the PAVER Server/Performance tools available at http://www.gamsworld.eu/performance/paver

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.

Input File Number Filename
Tracefile 1: COINIPOPT-1.trc
Tracefile 2: SNOPT-1.trc
Solvers used : COINIPOPTma27
SNOPT
Modeltype(s)   NLP
Threshold: Solver Faster 10%
Threshold: Solver Much Faster 50%
Threshold: Solver Infinitely Faster Other solver failed

Total Obj COINIPOPTma27 better Obj same Obj SNOPT better
Solver COINIPOPTma27 infinitely faster : 3 3 - -
Solver COINIPOPTma27 much faster : 55 7 46 2
Solver COINIPOPTma27 faster : 6 - 4 2
Solvers perform the same : 2 - 2 -
Solver SNOPT faster : 2 1 1 -
Solver SNOPT much faster : 5 - 3 2
Solver SNOPT infinitely faster : 5 - - 5
Both solvers failed to solve optimally : 3 - 3 -
Total models: : 81115911

Solver return definition:

Outcome Model Status Solver 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:


Solver COINIPOPTma27 infinitely faster - Obj of COINIPOPTma27 better:

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
arki001612.3000fail -- 8.67973166E+02 NA
glider2002014.5600infeasible -- -1.24880943E+03 0.00000000E+00
infeas10.3500infeasible -- 1.36855965E+04 -1.26241169E+04

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Solver COINIPOPTma27 much faster - Obj of COINIPOPTma27 better:

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
arki0012175.09003600.22000.049 -2.24252435E+05 -2.24171550E+05
arki00180.310040.28000.008 1.04566244E-02 1.19763934E-02
arki00230.720081.07000.009 -1.53660078E+02 -1.53417323E+02
ex8_2_2a2.330092.38000.025 -5.52666259E+02 -5.52657616E+02
ex8_2_2b3.05006.70000.455 -5.52666260E+02 -5.51769779E+02
ex8_2_3b8.190022.18000.369 -3.73107930E+03 -3.73072925E+03
polygon1003.840020.72000.185 -7.85056137E-01 -7.85031267E-01

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Solver COINIPOPTma27 much faster - Obj same for both solvers:

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
arki001180.7800401.74000.201 -2.24086460E+05 -2.24086460E+05
arki001355.19001709.79000.032 -2.24253088E+05 -2.24253089E+05
arki001450.02003504.73000.014 -2.23977086E+05 -2.23977094E+05
arki00170.43001680.01000.000 -1.21833080E+02 -1.21833080E+02
arki00200.070022.27000.003 -4.10749544E+01 -4.10749544E+01
arki00210.230089.14000.003 -7.25821009E+01 -7.25821009E+01
arki00220.3500110.24000.003 -8.70990913E+01 -8.70990913E+01
catmix2000.04000.7000--- -4.80591358E-02 -4.80591364E-02
catmix4000.09002.48000.036 -4.80565435E-02 -4.80565453E-02
catmix8000.150010.70000.014 -4.80558974E-02 -4.80559005E-02
chain4000.02007.0200--- 5.06862169E+00 5.06862169E+00
ex8_2_3a6.760048.36000.140 -3.73107930E+03 -3.73107809E+03
ex8_2_5a2.4100184.55000.013 -8.30338068E+02 -8.30338028E+02
flowchan2000.09001.06000.085 0.00000000E+00 0.00000000E+00
flowchan4000.17003.28000.052 0.00000000E+00 0.00000000E+00
gasoil1000.15000.49000.306 5.23659432E-03 5.23659432E-03
gasoil2000.33001.48000.223 5.23659587E-03 5.23659587E-03
gasoil4001.01006.62000.153 5.23659583E-03 5.23659583E-03
gasoil500.06000.22000.273 5.23664002E-03 5.23664002E-03
jbearing1000.470040.23000.012 -1.55041943E-01 -1.55041962E-01
jbearing250.11006.66000.017 -1.54015507E-01 -1.54015540E-01
jbearing500.200029.91000.007 -1.54823813E-01 -1.54824222E-01
jbearing750.320026.71000.012 -1.54984461E-01 -1.54984535E-01
lnts2000.06001.43000.042 5.54577016E-01 5.54577016E-01
lnts4000.08006.36000.013 5.54572414E-01 5.54572414E-01
methanol1000.27000.85000.318 9.02229108E-03 9.02229107E-03
methanol4004.09008.40000.487 9.02228992E-03 9.02228985E-03
methanol500.09000.35000.257 9.02228685E-03 9.02228684E-03
minsurf1000.5800295.67000.002 2.50694962E+00 2.50694926E+00
minsurf250.13005.46000.024 2.51948798E+00 2.51948768E+00
minsurf500.260067.89000.004 2.51489003E+00 2.51488916E+00
minsurf751.5700152.57000.010 2.50568664E+00 2.50568648E+00
pinene1000.16002.30000.070 1.98721701E+01 1.98721701E+01
pinene2000.470010.51000.045 1.98721668E+01 1.98721668E+01
pinene250.08001.00000.080 1.98721655E+01 1.98721655E+01
pinene500.08000.98000.082 1.98721655E+01 1.98721655E+01
popdynm1000.23001.93000.119 1.97465286E+04 1.97465286E+04
popdynm2000.64005.96000.107 1.97465296E+04 1.97465296E+04
popdynm250.14000.31000.452 1.97522154E+04 1.97522154E+04
popdynm500.16001.03000.155 1.97465452E+04 1.97465452E+04
robot2000.270015.26000.018 9.14139675E+00 9.14139550E+00
robot4000.760044.63000.017 9.14102607E+00 9.14102603E+00
torsion1000.610019.19000.032 -4.18239199E-01 -4.18239213E-01
torsion250.13001.45000.090 -4.17510726E-01 -4.17510730E-01
torsion500.290012.90000.022 -4.18087625E-01 -4.18087632E-01
torsion750.450012.30000.037 -4.18199390E-01 -4.18199401E-01

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Solver COINIPOPTma27 much faster - Obj of SNOPT better:

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
arki00020.0600154.46000.000 1.87252774E+00 1.09249984E+00
polygon500.65001.50000.433 -7.82132559E-01 -7.84013049E-01

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Solver COINIPOPTma27 faster - Obj same for both solvers:

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
camshape8000.32000.43000.744 -4.27430687E+00 -4.27427301E+00
catmix1000.04000.1600--- -4.80694133E-02 -4.80693970E-02
flowchan1000.03000.3200--- 0.00000000E+00 0.00000000E+00
lnts1000.03000.3600--- 5.54595401E-01 5.54595401E-01

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Solver COINIPOPTma27 faster - Obj of SNOPT better:

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
arki00152.68003.61000.742 -2.66940688E+02 -2.72299778E+02
polygon752.87005.14000.558 -7.84463757E-01 -7.84788457E-01

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Solvers perform the same - Obj same for both solvers:

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
methanol2002.57002.48001.036 9.02228981E-03 9.02228980E-03
polygon250.07000.0300--- -7.79740541E-01 -7.79736699E-01

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Solver SNOPT faster - Obj of COINIPOPTma27 better:

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
ex8_2_5b8.61006.68001.289 -8.30338068E+02 -8.30079408E+02

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Solver SNOPT faster - Obj same for both solvers:

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
camshape4000.16000.11001.455 -4.27569663E+00 -4.27568692E+00

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Solver SNOPT much faster - Obj same for both solvers:

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
rocket1001.84000.67002.746 -1.01283202E+00 -1.01283202E+00
rocket20011.83002.98003.970 -1.01283569E+00 -1.01283569E+00
rocket400116.94009.240012.656 -1.01283661E+00 -1.01283661E+00

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Solver SNOPT much faster - Obj of SNOPT better:

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
arki00042.76000.41006.732 3.27733013E+02 3.23467039E+02
elec20057.700011.78004.898 1.84392677E+04 1.84389927E+04

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Solver SNOPT infinitely faster - Obj of SNOPT better:

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
arki0003infeasible 1.4500 -- 8.63071054E+00 3.79520607E+03
glider400infeasible 3600.0000 -- -1.17108212E-09 -2.54824120E+02
glider50infeasible 55.3500 -- 0.00000000E+00 -1.28697737E+03
robot100unbounded 0.8200 -- -1.00002177E+24 9.14268538E+00
robot50unbounded 0.1600 -- -2.50210118E+23 9.14687850E+00

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

Modelname Time (COINIPOPTma27) Time (SNOPT) Ratio (COINIPOPTma27 / SNOPT) Obj (COINIPOPTma27) Obj (SNOPT)
arki0008fail infeasible -- 3.28465611E+05 3.26691419E+05
ex8_2_2fail fail -- -1.40516419E+03 NA
glider100infeasible infeasible -- 0.00000000E+00 0.00000000E+00

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