Add benchmark script and instances

infinity/benchmark/2row-lift/mas74.pre.log

@@ -0,0 +1,43 @@
+[      0.00] multirow (git-4d20687d04e75dc63c7bb84cbbfeb2261c6a6ab2)
+[      0.00] mf-hpc-1-5.local 2017-03-11 22:40
+[      0.00] Compile-time parameters:
+[      0.00]     EPSILON: 1.000000e-08
+[      0.00]     GREEDY_BIG_E: 1.000000e+03
+[      0.00]     GREEDY_MAX_GAP: 1.000000e-04
+[      0.00] Command line arguments:
+[      0.00]     ../build/infinity.run --mir --greedy --problem instances/mas74.pre.mps.gz --basis bases/mas74.pre.bas --log 2row-lift/mas74.pre.log --stats 2row-lift/mas74.pre.yaml --solution solutions/mas74.pre.x --lift 
+[      0.00]     13 rows, 162 cols
+[      0.00] Storing column types...
+[      0.00] Relaxing integrality...
+[      0.00] Disabling presolve...
+[      0.00] Optimizing...
+[      0.00]     opt = 10482.795280
+[      0.00] Reading tableau rows...
+[      0.00] Adding MIR cuts...
+[      0.00]     opt = 10530.404724
+[      0.00]     opt = 10535.789700
+[      0.00]     opt = 10544.292921
+[      0.00]     opt = 10562.024907
+[      0.00]     opt = 10562.326459
+[      0.00]     opt = 10563.805400
+[      0.00]     opt = 10565.354633
+[      0.00]     opt = 10568.567215
+[      0.00]     opt = 10570.719281
+[      0.00] Optimizing...
+[      0.00]     opt = 10570.719281
+[      0.00] Adding greedy intersection cuts (2 rows)...
+[      0.00]     Finding combinations...
+[      0.00]           66 combinations [0.05]
+[      0.23]     opt = 10571.338826
+[      0.66]     opt = 10571.361702
+[      0.84]     opt = 10571.367870
+[      1.51]     opt = 10571.468679
+[      1.68]     opt = 10573.108792
+[      2.42]     opt = 10573.125696
+[      3.13]     opt = 10574.631428
+[      3.51]     opt = 10574.719934
+[      3.67]     opt = 10574.850997
+[      4.02]     opt = 10575.259636
+[      4.42] Optimizing...
+[      4.42]     opt = 10575.259636
+[      4.42] Writing stats to file 2row-lift/mas74.pre.yaml...