## Solver Square Comparison: Considers all models.

 Date / Time: 10/01/07 10:36:19

Solver comparison utility.

Compares all solver return outcomes (for example optimal, locally optimal, infeasible, unbounded, fail) of one solver with all return outcomes of another solver. Interrupt denotes resource or iteration limit has been reached. Solver GLPK4.22 is represented on the left (rows) and solver GLPK4.20 on top (columns). See the solver return definitions for return codes.

Models having trace data only in one trace file are listed in the "no data" column of the other.

 Tracefile 1 : 3-GLPK-0.trc Tracefile 2 : 4-GLPK-4.20.trc Solvers used : GLPK4.22 GLPK4.20 Modeltype(s) LP

 GLPK4.20: optimal GLPK4.20: locally optimal GLPK4.20: feasible GLPK4.20: infeasible GLPK4.20: unbounded GLPK4.20: fail GLPK4.20: no data total GLPK4.22 GLPK4.22: optimal 86 - - - - 14 - 100 GLPK4.22: locally optimal - - - - - - - - GLPK4.22: feasible - - - - - - - - GLPK4.22: infeasible - - - 4 - - - 4 GLPK4.22: unbounded - - - - - - - - GLPK4.22: fail - - - - - 14 - 14 GLPK4.22: no data - - - - - - - - total GLPK4.20 86 - - 4 - 28 - 118

### Solver return definitions:

 Outcome Model Status Solver Status optimal 1 or 15 1 locally optimal 2 any feasible 7 or 16 or 17 1 or 2 or 3 or 4 or 5 infeasible 4 or 5 or 19 1 unbounded 3 or 18 1 fail all other all other

### Solver Resource Times

• Models for each solver pair outcome. Listed are the solver resource times TIME(.) in seconds, as well as the ratio RATIO(./.) of resource times for the two solvers if both solved optimally.
• Also listed are the objective values OBJ(.) 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-05. If both solutions are less than 1e-1, we use the absolute difference.
• Solver resource time ratios for a particular model are listed only if one solver has resource greater than 5.00E-02.

 Modelname Time (GLPK4.22) Time (GLPK4.20) Ratio (GLPK4.22/GLPK4.20) Obj (GLPK4.22) Obj (GLPK4.20) aa01 11.3800 88.8300 0.128 55535.43638822 55535.43638822 air02 0.1200 0.0900 1.333 7640.00000000 7640.00000000 baxter 21.0900 14.4500 1.460 56007255.67225311 56007255.67225311 car4 0.8000 1.8700 0.428 35.46037017 35.46037017 cari 0.1800 0.1600 1.125 581.89305779 581.89305779 co5 8.9400 12.7800 0.700 714469.55375105 714469.55375105 co9 47.3700 67.2300 0.705 946920.43028456 946920.43028456 cq5 6.1300 10.3200 0.594 400133.80747262 400133.80747262 cq9 25.7100 63.5000 0.405 505541.70980727 505541.70980727 crew1 0.2400 0.2800 0.857 20.55555556 20.55555556 ex3sta1 5.0100 3.8700 1.295 -63.07540325 -63.07540325 fit2d 9.4500 7.7000 1.227 -68464.29329383 -68464.29329383 fit2p 6.3900 11.1500 0.573 68464.29329383 68464.29329383 fome11 0.1100 0.1000 1.100 0.00000000 0.00000000 fome12 0.3100 0.2700 1.148 0.00000000 0.00000000 gen2 41.2000 1192.2800 0.035 3.29279078 3.29279079 jendrec1 9.5900 6.9600 1.378 7028.46051135 7028.46051135 ken-11 12.2200 10.3400 1.182 -6972382262.51996900 -6972382262.51996900 ken-13 72.1800 67.3900 1.071 -1.0257394789482E+10 -1.0257394789482E+10 lpl3 12.2900 11.2500 1.092 27318.00000000 27318.00000000 maros-r7 5.9200 2.3800 2.487 1497185.16647964 1497185.16647964 mod2 216.0000 488.1000 0.443 27737371.36445520 27737371.36445520 model10 19.4200 35.1500 0.552 -154599.62130064 -154599.62130064 model11 5.4400 3.3000 1.648 0.00000000 0.00000000 model5 3.0100 3.2300 0.932 -858440.72907343 -858440.72907343 model7 4.2100 4.9200 0.856 49380.08549287 49380.08549293 model9 2.6800 2.7900 0.961 -141123.09361331 -141123.09361330 nemspmm1 5.0100 10.0400 0.499 -327415.83567076 -327415.83567076 nemspmm2 5.9900 10.2800 0.583 -291794.83608908 -291794.83608908 nemswrld 158.9900 340.3400 0.467 260.30896600 260.30896600 nsir1 1.0000 1.9800 0.505 -28909033.00000000 -28909033.00000000 nsir2 0.4900 0.9300 0.527 -27175593.50000000 -27175593.50000000 osa-07 0.6500 0.4300 1.512 535722.51729935 535722.51729935 p010 15.2700 21.1200 0.723 1115047.91511082 1115047.91511082 p05 3.7900 5.6000 0.677 556000.27662588 556000.27662588 pcb3000 4.0600 3.8100 1.066 137416.41961282 137416.41961282 pds-06 3.7600 17.0400 0.221 27761037600.00000000 27761037600.00000000 pds-10 15.6100 116.4800 0.134 26727094976.00000000 26727094976.00000000 pilot87 15.8800 54.4100 0.292 301.71034733 301.71034744 r05 4.1200 6.7700 0.609 557831.85904066 557831.85904066 rat1 3.5900 1.9600 1.832 1999531.66287928 1999531.66287928 rat5 4.6500 2.1500 2.163 3083707.01043841 3083707.01043841 rosen10 1.4500 2.8900 0.502 -174215.45613870 -174215.45613870 scrs8-2r-512 13.6300 10.0900 1.351 1074.09934157 1074.09934157 scsd8-2b-64 19.1100 10.5400 1.813 15.99866803 15.99866803 scsd8-2c-64 20.4900 9.6400 2.126 14.99923200 14.99923200 scsd8-2r-108 3.2700 2.5800 1.267 23.69999434 23.69999434 scsd8-2r-216 12.6600 11.0900 1.142 23.39998416 23.39998423 sctap1-2b-64 5.2100 4.1800 1.246 484.56000000 484.56000000 slptsk 3.2000 4.2900 0.746 29.89536602 29.89536602 south31 105.7400 108.1700 0.978 1818940197.10106000 1818940197.10106000 stocfor3 6.4500 6.1300 1.052 -39976.78394365 -39976.78394365 testbig 8.0800 6.2000 1.303 -60.42296073 -60.42296073 wood1p 0.2100 0.1300 1.615 1.44290241 1.44290241 world 262.3300 575.9200 0.455 40364873.11417860 40364873.11417860 bas1lp 2.1900 5.1500 0.425 363.00000000 363.00000000 cre-b 16.2400 23.9600 0.678 23129639.88683240 23129639.88683240 cre-d 10.9200 13.1300 0.832 24454969.76454920 24454969.76454920 fome13 0.9700 0.7800 1.244 0.00000000 0.00000000 fome20 349.9300 2210.8600 0.158 23821658640.00000000 23821658640.00000000 ken-18 1294.5400 1168.4900 1.108 -5.2217025287397E+10 -5.2217025287397E+10 kl02 0.8600 1.1500 0.748 215.25000000 215.25000000 nemsemm2 8.3900 7.2100 1.164 581079.57090469 581079.57090469 nsct1 8.5300 9.5800 0.890 -38922436.00000000 -38922436.00000000 nsct2 1.8500 2.9600 0.625 -37175082.00000000 -37175082.00000000 osa-14 3.0000 1.8100 1.657 1106462.84473626 1106462.84473626 osa-30 11.3900 6.7200 1.695 2142139.87320976 2142139.87320976 pds-20 350.9000 2255.5100 0.156 23821658640.00000000 23821658640.00000000 rail507 27.4400 90.4300 0.303 172.14556668 172.14556668 rail516 12.6500 46.3900 0.273 182.00000000 182.00000000 rail582 27.3500 128.1500 0.213 209.71223296 209.71223296 rat7a 42.8600 16.8700 2.541 2074371.41572798 2074371.41573149 rlfddd 45.8400 17.8400 2.570 -13.00000000 -13.00000000 rlfprim 35.8200 575.4100 0.062 1.00000000 1.00000000 route 24.1200 388.8300 0.062 5941.65027667 5941.65027667 scsd8-2r-432 62.6300 49.6700 1.261 25.79997076 25.79997080 sctap1-2r-480 16.1200 16.1900 0.996 248.50000000 248.50000000 t0331-4l 52.8200 282.9800 0.187 29730.03335194 29730.03335194 us04 1.4800 4.7600 0.311 17731.66666667 17731.66666667 dbic1 634.7900 1392.6700 0.456 -9768973.00000000 -9768973.00000000 dbir1 15.3800 34.4500 0.446 -8106707.00000000 -8106707.00000000 dbir2 4.6700 38.7500 0.121 -6116916.50000000 -6116916.50000000 nemsemm1 10.6400 5.9600 1.785 512959.60078798 512959.60078798 nw14 2.9000 3.6600 0.792 61844.00000000 61844.00000000 osa-60 54.1500 33.7400 1.605 4044072.50315743 4044072.50315742 self 10.2500 14.4700 0.708 0.00000000 0.00000000

 Modelname Time (GLPK4.22) Time (GLPK4.20) Ratio (GLPK4.22/GLPK4.20) Obj (GLPK4.22) Status (GLPK4.20) aa03 9.4600 3593.7200 --- 49616.36363636 mstat(14) sstat( 3) air06 9.4600 3594.3400 --- 49616.36363636 mstat(14) sstat( 3) lp22 117.4000 3597.2800 --- 458.94459411 mstat(14) sstat( 3) nug15 3413.4500 3595.5900 --- 1040.99404096 mstat(14) sstat( 3) qap15 3235.1800 3598.2700 --- 1040.99404096 mstat(14) sstat( 3) scfxm1-2b-64 30.6200 3596.3200 --- 2877.56386371 mstat(14) sstat( 3) scfxm1-2r-64 6.5800 3594.9500 --- 2877.56386371 mstat(14) sstat( 3) scfxm1-2r-96 14.8100 3596.3800 --- 2891.70611371 mstat(14) sstat( 3) ulevimin 151.6800 3594.6800 --- -5191101861.43196900 mstat(14) sstat( 3) fome21 2481.3900 3597.5600 --- 47346318912.00000000 mstat(14) sstat( 3) pds-30 1167.1300 3598.1200 --- 21385445736.00000000 mstat(14) sstat( 3) pds-40 3103.5900 3597.6300 --- 18855198824.00000000 mstat(14) sstat( 3) rlfdual 2007.6100 1931.4800 --- -1.00000000 mstat(13) sstat(13) scfxm1-2r-256 122.6400 3596.6300 --- 2891.70611371 mstat(14) sstat( 3)

 Modelname Time (GLPK4.22) Time (GLPK4.20) Ratio (GLPK4.22/GLPK4.20) Status (GLPK4.22) Status (GLPK4.20) bgindy 0.2900 0.2200 --- mstat(19) sstat( 1) mstat(19) sstat( 1) gosh 1.6100 1.4500 --- mstat(19) sstat( 1) mstat(19) sstat( 1) lpl1 412.0000 1185.1000 --- mstat(19) sstat( 1) mstat(19) sstat( 1) sgpf5y6 0.3600 0.3700 --- mstat(19) sstat( 1) mstat(19) sstat( 1)

 Modelname Time (GLPK4.22) Time (GLPK4.20) Ratio (GLPK4.22/GLPK4.20) Status (GLPK4.22) Status (GLPK4.20) gen1 3595.2400 3594.1200 --- mstat(14) sstat( 3) mstat(14) sstat( 3) gen4 3596.4500 NA --- mstat(14) sstat( 3) mstat(13) sstat(13) l30 NA 3595.8100 --- mstat(13) sstat(13) mstat(14) sstat( 3) nug20 3614.8300 3622.4300 --- mstat(14) sstat( 3) mstat(14) sstat( 3) pds-50 3595.4200 3598.9600 --- mstat(14) sstat( 3) mstat(14) sstat( 3) pds-60 3597.1500 3599.0900 --- mstat(14) sstat( 3) mstat(14) sstat( 3) watson_1 3596.3400 3597.5800 --- mstat(14) sstat( 3) mstat(14) sstat( 3) nug30 3608.6600 3630.1700 --- mstat(14) sstat( 3) mstat(14) sstat( 3) pds-100 3598.6200 3570.4900 --- mstat(14) sstat( 3) mstat(14) sstat( 3) pds-70 3597.3600 3599.3300 --- mstat(14) sstat( 3) mstat(14) sstat( 3) pds-80 3596.0200 3599.9400 --- mstat(14) sstat( 3) mstat(14) sstat( 3) pds-90 3597.9500 3598.8000 --- mstat(14) sstat( 3) mstat(14) sstat( 3) rail2586 3606.5200 3606.5700 --- mstat(14) sstat( 3) mstat(14) sstat( 3) rail4284 3608.6100 3610.3300 --- mstat(14) sstat( 3) mstat(14) sstat( 3)

 Modelname Time (GLPK4.22) Obj (GLPK4.22) aa01 11.3800 55535.43638822 aa03 9.4600 49616.36363636 air02 0.1200 7640.00000000 air06 9.4600 49616.36363636 baxter 21.0900 56007255.67225311 car4 0.8000 35.46037017 cari 0.1800 581.89305779 co5 8.9400 714469.55375105 co9 47.3700 946920.43028456 cq5 6.1300 400133.80747262 cq9 25.7100 505541.70980727 crew1 0.2400 20.55555556 ex3sta1 5.0100 -63.07540325 fit2d 9.4500 -68464.29329383 fit2p 6.3900 68464.29329383 fome11 0.1100 0.00000000 fome12 0.3100 0.00000000 gen2 41.2000 3.29279078 jendrec1 9.5900 7028.46051135 ken-11 12.2200 -6972382262.51996900 ken-13 72.1800 -1.0257394789482E+10 lp22 117.4000 458.94459411 lpl3 12.2900 27318.00000000 maros-r7 5.9200 1497185.16647964 mod2 216.0000 27737371.36445520 model10 19.4200 -154599.62130064 model11 5.4400 0.00000000 model5 3.0100 -858440.72907343 model7 4.2100 49380.08549287 model9 2.6800 -141123.09361331 nemspmm1 5.0100 -327415.83567076 nemspmm2 5.9900 -291794.83608908 nemswrld 158.9900 260.30896600 nsir1 1.0000 -28909033.00000000 nsir2 0.4900 -27175593.50000000 nug15 3413.4500 1040.99404096 osa-07 0.6500 535722.51729935 p010 15.2700 1115047.91511082 p05 3.7900 556000.27662588 pcb3000 4.0600 137416.41961282 pds-06 3.7600 27761037600.00000000 pds-10 15.6100 26727094976.00000000 pilot87 15.8800 301.71034733 qap15 3235.1800 1040.99404096 r05 4.1200 557831.85904066 rat1 3.5900 1999531.66287928 rat5 4.6500 3083707.01043841 rosen10 1.4500 -174215.45613870 scfxm1-2b-64 30.6200 2877.56386371 scfxm1-2r-64 6.5800 2877.56386371 scfxm1-2r-96 14.8100 2891.70611371 scrs8-2r-512 13.6300 1074.09934157 scsd8-2b-64 19.1100 15.99866803 scsd8-2c-64 20.4900 14.99923200 scsd8-2r-108 3.2700 23.69999434 scsd8-2r-216 12.6600 23.39998416 sctap1-2b-64 5.2100 484.56000000 slptsk 3.2000 29.89536602 south31 105.7400 1818940197.10106000 stocfor3 6.4500 -39976.78394365 testbig 8.0800 -60.42296073 ulevimin 151.6800 -5191101861.43196900 wood1p 0.2100 1.44290241 world 262.3300 40364873.11417860 bas1lp 2.1900 363.00000000 cre-b 16.2400 23129639.88683240 cre-d 10.9200 24454969.76454920 fome13 0.9700 0.00000000 fome20 349.9300 23821658640.00000000 fome21 2481.3900 47346318912.00000000 ken-18 1294.5400 -5.2217025287397E+10 kl02 0.8600 215.25000000 nemsemm2 8.3900 581079.57090469 nsct1 8.5300 -38922436.00000000 nsct2 1.8500 -37175082.00000000 osa-14 3.0000 1106462.84473626 osa-30 11.3900 2142139.87320976 pds-20 350.9000 23821658640.00000000 pds-30 1167.1300 21385445736.00000000 pds-40 3103.5900 18855198824.00000000 rail507 27.4400 172.14556668 rail516 12.6500 182.00000000 rail582 27.3500 209.71223296 rat7a 42.8600 2074371.41572798 rlfddd 45.8400 -13.00000000 rlfdual 2007.6100 -1.00000000 rlfprim 35.8200 1.00000000 route 24.1200 5941.65027667 scfxm1-2r-256 122.6400 2891.70611371 scsd8-2r-432 62.6300 25.79997076 sctap1-2r-480 16.1200 248.50000000 t0331-4l 52.8200 29730.03335194 us04 1.4800 17731.66666667 dbic1 634.7900 -9768973.00000000 dbir1 15.3800 -8106707.00000000 dbir2 4.6700 -6116916.50000000 nemsemm1 10.6400 512959.60078798 nw14 2.9000 61844.00000000 osa-60 54.1500 4044072.50315743 self 10.2500 0.00000000

 Modelname Time (GLPK4.22) Status (GLPK4.22) bgindy -- mstat(19) sstat( 1) gosh -- mstat(19) sstat( 1) lpl1 -- mstat(19) sstat( 1) sgpf5y6 -- mstat(19) sstat( 1)

 Modelname Time (GLPK4.22) Status (GLPK4.22) gen1 -- mstat(14) sstat( 3) gen4 -- mstat(14) sstat( 3) l30 -- mstat(13) sstat(13) nug20 -- mstat(14) sstat( 3) pds-50 -- mstat(14) sstat( 3) pds-60 -- mstat(14) sstat( 3) watson_1 -- mstat(14) sstat( 3) nug30 -- mstat(14) sstat( 3) pds-100 -- mstat(14) sstat( 3) pds-70 -- mstat(14) sstat( 3) pds-80 -- mstat(14) sstat( 3) pds-90 -- mstat(14) sstat( 3) rail2586 -- mstat(14) sstat( 3) rail4284 -- mstat(14) sstat( 3)

 Modelname Time (GLPK4.20) Obj (GLPK4.20) aa01 88.8300 55535.43638822 air02 0.0900 7640.00000000 baxter 14.4500 56007255.67225311 car4 1.8700 35.46037017 cari 0.1600 581.89305779 co5 12.7800 714469.55375105 co9 67.2300 946920.43028456 cq5 10.3200 400133.80747262 cq9 63.5000 505541.70980727 crew1 0.2800 20.55555556 ex3sta1 3.8700 -63.07540325 fit2d 7.7000 -68464.29329383 fit2p 11.1500 68464.29329383 fome11 0.1000 0.00000000 fome12 0.2700 0.00000000 gen2 1192.2800 3.29279079 jendrec1 6.9600 7028.46051135 ken-11 10.3400 -6972382262.51996900 ken-13 67.3900 -1.0257394789482E+10 lpl3 11.2500 27318.00000000 maros-r7 2.3800 1497185.16647964 mod2 488.1000 27737371.36445520 model10 35.1500 -154599.62130064 model11 3.3000 0.00000000 model5 3.2300 -858440.72907343 model7 4.9200 49380.08549293 model9 2.7900 -141123.09361330 nemspmm1 10.0400 -327415.83567076 nemspmm2 10.2800 -291794.83608908 nemswrld 340.3400 260.30896600 nsir1 1.9800 -28909033.00000000 nsir2 0.9300 -27175593.50000000 osa-07 0.4300 535722.51729935 p010 21.1200 1115047.91511082 p05 5.6000 556000.27662588 pcb3000 3.8100 137416.41961282 pds-06 17.0400 27761037600.00000000 pds-10 116.4800 26727094976.00000000 pilot87 54.4100 301.71034744 r05 6.7700 557831.85904066 rat1 1.9600 1999531.66287928 rat5 2.1500 3083707.01043841 rosen10 2.8900 -174215.45613870 scrs8-2r-512 10.0900 1074.09934157 scsd8-2b-64 10.5400 15.99866803 scsd8-2c-64 9.6400 14.99923200 scsd8-2r-108 2.5800 23.69999434 scsd8-2r-216 11.0900 23.39998423 sctap1-2b-64 4.1800 484.56000000 slptsk 4.2900 29.89536602 south31 108.1700 1818940197.10106000 stocfor3 6.1300 -39976.78394365 testbig 6.2000 -60.42296073 wood1p 0.1300 1.44290241 world 575.9200 40364873.11417860 bas1lp 5.1500 363.00000000 cre-b 23.9600 23129639.88683240 cre-d 13.1300 24454969.76454920 fome13 0.7800 0.00000000 fome20 2210.8600 23821658640.00000000 ken-18 1168.4900 -5.2217025287397E+10 kl02 1.1500 215.25000000 nemsemm2 7.2100 581079.57090469 nsct1 9.5800 -38922436.00000000 nsct2 2.9600 -37175082.00000000 osa-14 1.8100 1106462.84473626 osa-30 6.7200 2142139.87320976 pds-20 2255.5100 23821658640.00000000 rail507 90.4300 172.14556668 rail516 46.3900 182.00000000 rail582 128.1500 209.71223296 rat7a 16.8700 2074371.41573149 rlfddd 17.8400 -13.00000000 rlfprim 575.4100 1.00000000 route 388.8300 5941.65027667 scsd8-2r-432 49.6700 25.79997080 sctap1-2r-480 16.1900 248.50000000 t0331-4l 282.9800 29730.03335194 us04 4.7600 17731.66666667 dbic1 1392.6700 -9768973.00000000 dbir1 34.4500 -8106707.00000000 dbir2 38.7500 -6116916.50000000 nemsemm1 5.9600 512959.60078798 nw14 3.6600 61844.00000000 osa-60 33.7400 4044072.50315742 self 14.4700 0.00000000

 Modelname Time (GLPK4.20) Status (GLPK4.20) bgindy -- mstat(19) sstat( 1) gosh -- mstat(19) sstat( 1) lpl1 -- mstat(19) sstat( 1) sgpf5y6 -- mstat(19) sstat( 1)