Resource Time Comparison

Table B: Considers all models.

Date / Time: 11/15/02 12:53:23

Total resource time for all models.

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.

A solver is considered to have a better objective function value, if the relative objective value difference is greater than 1.00E-06.

Tracefile 1 :	`MINOS.TXT`
Tracefile 2 :	`SNOPT.TXT`
Solvers used :	`MINOS`
	`SNOPT`
Modeltype(s)	NLP

	Total	Obj MINOS better	Obj same	Obj SNOPT better
Solver MINOSinfinitely faster :	`2`	`2`	-	-
Solver MINOS much faster :	`4`	`1`	`3`	-
Solver MINOS faster :	-	-	-	-
Solvers perform the same :	`76`	`2`	`74`	-
Solver SNOPT faster :	`2`	`2`	-	-
Solver SNOPT much faster :	`4`	`2`	`2`	-
Solver SNOPT infinitely faster :	`3`	-	-	`3`
Both solvers failed to solve optimally :	`8`	-	`8`	-
Total models: :	`99`	`9`	`87`	`3`

Solver return definition:

Outcome	Model Status	Solver Status
optimal	1 or 15	1
feasible	2 or 8 or 16	1 or 2 or 3 or 4 or 5

Resource Times:

Models for each resource time category. Listed are the solver resource times in seconds, as well as the ratio of resource times for the two solvers if both solved optimally. Models not solved optimally by a solver have status listed instead of resource time.
Also listed are the objective values using both solvers. The better solution found is listed in boldface. A solution is considered better, if the relative objective function difference is greater than 1.00E-06.
Solver resource time ratios for a particular model are listed only if both solvers are optimal and if one solver has resource time greater than 5.00E-02.

Solver MINOS infinitely faster - Obj of MINOS better:

Modelname	MINOS	SNOPT	Ratio (MINOS / SNOPT)	Obj MINOS	Obj SNOPT
`EX5_4_3`	`0.0781`	`infeas`	--	`5.93743735E+03`	5.16419689E+03
`EX6_1_3`	`0.0273`	`f`	--	`-3.52497801E-01`	-3.52497698E-01

Solver MINOS much faster - Obj of MINOS better:

Modelname	MINOS	SNOPT	Ratio (MINOS / SNOPT)	Obj MINOS	Obj SNOPT
`EX8_4_7`	`0.0664`	`0.1563`	`0.425`	`2.90473067E+01`	`2.90473374E+01`

Solver MINOS much faster - Obj same for both solvers:

Modelname	MINOS	SNOPT	Ratio (MINOS / SNOPT)	Obj MINOS	Obj SNOPT
`EX5_4_2`	`0.1250`	`7.8438`	`0.016`	`7.51223014E+03`	`7.51223014E+03`
`EX6_2_5`	`0.0586`	`0.1406`	`0.417`	`-7.07520778E+01`	`-7.07520778E+01`
`EX8_4_3`	`0.0742`	`0.3867`	`0.192`	`4.64971570E-03`	`4.64971568E-03`

Solvers perform the same: Back to top

Modelname	MINOS	SNOPT	Ratio (MINOS / SNOPT)	Obj MINOS	Obj SNOPT
`EX4_1_1`	`0.0352`	`0.0469`	`---`	`-7.48731236E+00`	`-5.19978061E-01`
`EX9_1_5`	`0.0156`	`0.0313`	`---`	`-1.00000000E+00`	`4.00000000E+00`

Solvers

Modelname MINOS SNOPT Ratio

`EX14_1_1`

`EX14_1_2`

`EX14_1_3`

`EX14_1_5`

`EX14_1_6`

`EX14_1_7`

`EX14_1_8`

`EX14_1_9`

`EX14_2_1`

`EX14_2_2`

`EX14_2_3`

`EX14_2_4`

`EX14_2_5`

`EX14_2_6`

`EX14_2_7`

`EX14_2_8`

`EX14_2_9`

`EX2_1_1`

`EX2_1_10`

`EX2_1_2`

`EX2_1_3`

`EX2_1_4`

`EX2_1_5`

`EX2_1_6`

`EX2_1_7`

`EX2_1_8`

`EX2_1_9`

`EX3_1_1`

`EX3_1_2`

`EX3_1_3`

`EX3_1_4`

`EX4_1_2`

`EX4_1_3`

`EX4_1_4`

`EX4_1_5`

`EX4_1_6`

`EX4_1_7`

`EX4_1_8`

`EX4_1_9`

`EX5_2_2_CASE1`

`EX5_2_2_CASE2`

`EX5_2_2_CASE3`

`EX5_2_4`

`EX5_2_5`

`EX6_1_1`

`EX6_1_2`

`EX6_1_4`

`EX6_2_11`

`EX6_2_12`

`EX6_2_14`

`EX6_2_7`

`EX6_2_8`

`EX6_2_9`

`EX7_2_2`

`EX7_2_4`

`EX7_3_2`

`EX7_3_3`

`EX7_3_4`

`EX8_1_1`

`EX8_1_2`

`EX8_1_3`

`EX8_1_7`

`EX8_1_8`

`EX8_4_1`

`EX8_4_2`

`EX8_4_4`

`EX9_1_4`

`EX9_1_8`

`EX9_2_1`

`EX9_2_3`

`EX9_2_4`

`EX9_2_6`

`EX9_2_7`

`EX9_2_8`

Back to top

(MINOS / SNOPT) Obj MINOS Obj SNOPT 0.20310.20311.000 0.00000000E+00 0.00000000E+00 0.07810.04691.667 0.00000000E+00 0.00000000E+00 0.04690.08980.522 0.00000000E+00 0.00000000E+00 0.03130.0313--- 0.00000000E+00 0.00000000E+00 0.04690.0313--- 1.00000000E+00 1.00000000E+00 0.03130.0313--- 7.04274947E+00 7.04274947E+00 0.03520.0469--- 4.14158852E-02 4.14158858E-02 0.03130.0313--- 0.00000000E+00 0.00000000E+00 0.03130.0469--- 0.00000000E+00 0.00000000E+00 0.02730.0313--- 0.00000000E+00 0.00000000E+00 0.03130.0156--- 0.00000000E+00 0.00000000E+00 0.03130.0273--- 0.00000000E+00 0.00000000E+00 0.02730.0313--- 0.00000000E+00 0.00000000E+00 0.03130.0469--- 0.00000000E+00 0.00000000E+00 0.03130.0352--- 0.00000000E+00 0.00000000E+00 0.03130.0313--- 0.00000000E+00 0.00000000E+00 0.03130.0313--- 0.00000000E+00 0.00000000E+00 0.03130.0352--- -1.70000000E+01 -1.70000000E+01 0.01560.0469--- 1.33718845E+05 1.33718845E+05 0.01170.0117--- -2.13000000E+02 -2.13000000E+02 0.01560.0156--- -1.50000000E+01 -1.50000000E+01 0.01950.0313--- -1.10000000E+01 -1.10000000E+01 0.01560.0352--- -2.68014632E+02 -2.68014632E+02 0.03130.0469--- -3.90000000E+01 -3.90000000E+01 0.02730.0313--- -4.15041013E+03 -4.15041013E+03 0.01560.0156--- 2.52870000E+04 2.52870000E+04 0.03130.0156--- -3.75000000E-01 -3.75000000E-01 0.03130.0313--- 7.04924802E+03 7.04924801E+03 0.03130.0469--- -3.06655387E+04 -3.06655387E+04 0.03130.0156--- -3.10000000E+02 -3.10000000E+02 0.03130.0352--- -4.00000000E+00 -4.00000000E+00 0.03130.0313--- -6.63500097E+02 -6.63500097E+02 0.01560.0273--- -4.43671705E+02 -4.43671705E+02 0.01560.0313--- 0.00000000E+00 0.00000000E+00 0.01170.0313--- 0.00000000E+00 0.00000000E+00 0.03130.0156--- 7.00000000E+00 7.00000000E+00 0.03520.0352--- -7.50000000E+00 -7.50000000E+00 0.03130.0313--- -1.67388932E+01 -1.67388932E+01 0.01560.0273--- -5.50801327E+00 -5.50801327E+00 0.03130.0273--- 0.00000000E+00 0.00000000E+00 0.03130.0313--- 0.00000000E+00 0.00000000E+00 0.01560.0273--- 0.00000000E+00 0.00000000E+00 0.03130.0313--- -1.00000000E+02 -1.00000000E+02 0.03520.0313--- -1.90000000E+03 -1.90000000E+03 0.02730.0313--- -2.01983117E-02 -2.01983116E-02 0.03130.0352--- -3.24637501E-02 -3.24637501E-02 0.03520.0352--- -2.94541288E-01 -2.94541288E-01 0.03520.0313--- -2.67240776E-06 -2.67240776E-06 0.03130.0469--- 2.89194748E-01 2.89194748E-01 0.03130.0273--- -6.95357935E-01 -6.95357935E-01 0.03130.0469--- -1.60847615E-01 -1.60847615E-01 0.01560.0352--- -2.70063488E-02 -2.70063488E-02 0.03130.0313--- -3.40661841E-02 -3.40661841E-02 0.08200.03132.625 -3.88811435E-01 -3.88811438E-01 0.09380.04692.000 4.20285304E+00 4.20285303E+00 0.04690.0313--- 1.08986397E+00 1.08986390E+00 0.07810.01565.000 1.14477980E+00 1.14477980E+00 0.03130.0313--- 1.00000000E+01 1.00000000E+01 0.02730.0313--- -2.02180678E+00 -2.02180678E+00 0.01560.0156--- 2.80345848E+00 2.80345848E+00 0.01560.0313--- 3.00000000E+01 3.00000000E+01 0.06250.06251.000 2.93108307E-02 2.93108307E-02 0.05080.03521.444 -3.88811435E-01 -3.88811438E-01 0.03520.0313--- 6.18572759E-01 6.18572760E-01 0.04690.0469--- 4.85152487E-01 4.85152487E-01 0.03130.0313--- 2.12459839E-01 2.12459839E-01 0.03130.0313--- -3.70000000E+01 -3.70000000E+01 0.03130.0273--- -3.25000000E+00 -3.25000000E+00 0.06640.03132.125 1.70000000E+01 1.69999992E+01 0.03130.0313--- 5.00000000E+00 5.00000000E+00 0.03520.0313--- 5.00000000E-01 5.00000000E-01 0.03130.07810.400 -1.00000000E+00 -1.00000000E+00 0.03130.0273--- 1.70000000E+01 1.69999992E+01 0.03130.0156--- 1.50000000E+00 1.50000000E+00 href="#top">Back to top

Solver SNOPT faster - Obj of MINOS better:

Modelname	MINOS	SNOPT	Ratio (MINOS / SNOPT)	Obj MINOS	Obj SNOPT
`EX7_2_3`	`0.0938`	`0.0508`	`1.846`	`7.04922164E+03`	`7.04924625E+03`
`EX8_4_5`	`0.0781`	`0.0625`	`1.250`	`3.07485988E-04`	`1.22529635E-03`

Solver SNOPT much faster - Obj of MINOS better:

Modelname	MINOS	SNOPT	Ratio (MINOS / SNOPT)	Obj MINOS	Obj SNOPT
`EX5_4_4`	`0.1094`	`0.0508`	`2.154`	`1.00777754E+04`	`1.18416092E+04`
`EX8_3_9`	`0.8125`	`0.3281`	`2.476`	`-7.63001934E-01`	`-7.59265470E-01`

Solver SNOPT much faster - Obj same for both solvers:

Modelname	MINOS	SNOPT	Ratio (MINOS / SNOPT)	Obj MINOS	Obj SNOPT
`EX7_2_1`	`0.0469`	`3.5156`	`0.013`	`1.22722606E+03`	`1.22722603E+03`
`EX8_3_6`	`1.3281`	`0.5313`	`2.500`	`-5.00000000E-01`	`-5.00000000E-01`

Solver SNOPT infinitely faster - Obj of SNOPT better:

Modelname	MINOS	SNOPT	Ratio (MINOS / SNOPT)	Obj MINOS	Obj SNOPT
`EX6_2_13`	`f`	`0.0156`	--	`-2.10209293E-01`	`-2.16209437E-01`
`EX7_3_5`	`infeas`	`0.0313`	--	`1.20573576E+00`	`1.20689655E+00`
`EX8_4_8`	`f`	`0.0938`	--	`1.71621563E+02`	`3.32184733E+00`

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

Modelname	MINOS	SNOPT	Ratio (MINOS / SNOPT)	Obj MINOS	Obj SNOPT
`EX5_3_2`	`infeas`	`infeas`	--	`9.97900000E-01`	`9.97900000E-01`
`EX5_3_3`	`infeas`	`infeas`	--	`1.68776000E+00`	`1.68776000E+00`
`EX6_2_10`	`f`	`f`	--	`-3.05122548E+00`	`-3.05197611E+00`
`EX8_2_1`	`f`	`unbnd`	--	`1.05199960E-04`	`1.04509282E-01`
`EX8_2_4`	`f`	`f`	--	`2.13914825E-05`	`1.95733641E+00`
`EX8_4_6`	`f`	`f`	--	`1.00000015E+08`	`1.94679186E+00`
`EX8_5_1`	`f`	`f`	--	`2.23023110E+00`	`-2.47812470E-01`
`EX8_5_3`	`f`	`f`	--	`2.45498450E+04`	`1.86891942E+00`

Modelname	MINOS	SNOPT	Ratio
`EX14_1_1`
`EX14_1_2`
`EX14_1_3`
`EX14_1_5`
`EX14_1_6`
`EX14_1_7`
`EX14_1_8`
`EX14_1_9`
`EX14_2_1`
`EX14_2_2`
`EX14_2_3`
`EX14_2_4`
`EX14_2_5`
`EX14_2_6`
`EX14_2_7`
`EX14_2_8`
`EX14_2_9`
`EX2_1_1`
`EX2_1_10`
`EX2_1_2`
`EX2_1_3`
`EX2_1_4`
`EX2_1_5`
`EX2_1_6`
`EX2_1_7`
`EX2_1_8`
`EX2_1_9`
`EX3_1_1`
`EX3_1_2`
`EX3_1_3`
`EX3_1_4`
`EX4_1_2`
`EX4_1_3`
`EX4_1_4`
`EX4_1_5`
`EX4_1_6`
`EX4_1_7`
`EX4_1_8`
`EX4_1_9`
`EX5_2_2_CASE1`
`EX5_2_2_CASE2`
`EX5_2_2_CASE3`
`EX5_2_4`
`EX5_2_5`
`EX6_1_1`
`EX6_1_2`
`EX6_1_4`
`EX6_2_11`
`EX6_2_12`
`EX6_2_14`
`EX6_2_7`
`EX6_2_8`
`EX6_2_9`
`EX7_2_2`
`EX7_2_4`
`EX7_3_2`
`EX7_3_3`
`EX7_3_4`
`EX8_1_1`
`EX8_1_2`
`EX8_1_3`
`EX8_1_7`
`EX8_1_8`
`EX8_4_1`
`EX8_4_2`
`EX8_4_4`
`EX9_1_4`
`EX9_1_8`
`EX9_2_1`
`EX9_2_3`
`EX9_2_4`
`EX9_2_6`
`EX9_2_7`
`EX9_2_8`