Add single-row cut generator

onerow/benchmark/CMakeLists.txt

@@ -0,0 +1,2 @@
+add_executable(onerow-benchmark.run src/main.cpp)
+target_link_libraries (onerow-benchmark.run LINK_PUBLIC qxx_static onerow_static m pthread ${GMP_LIBRARIES} ${CPLEX_LIBRARIES})

onerow/benchmark/Makefile

@@ -0,0 +1,97 @@
+miplib2010 := \
+	instances/30n20b8.pre.done \
+	instances/aflow40b.pre.done \
+	instances/air04.pre.done \
+	instances/app1-2.pre.done \
+	instances/bab5.pre.done \
+	instances/beasleyC3.pre.done \
+	instances/biella1.pre.done \
+	instances/bienst2.pre.done \
+	instances/binkar10_1.pre.done \
+	instances/bley_xl1.pre.done \
+	instances/core2536-691.pre.done \
+	instances/cov1075.pre.done \
+	instances/csched010.pre.done \
+	instances/danoint.pre.done \
+	instances/dfn-gwin-UUM.pre.done \
+	instances/eil33-2.pre.done \
+	instances/eilB101.pre.done \
+	instances/enlight13.pre.done \
+	instances/ex9.pre.done \
+	instances/glass4.pre.done \
+	instances/gmu-35-40.pre.done \
+	instances/iis-100-0-cov.pre.done \
+	instances/iis-bupa-cov.pre.done \
+	instances/iis-pima-cov.pre.done \
+	instances/lectsched-4-obj.pre.done \
+	instances/macrophage.pre.done \
+	instances/map18.pre.done \
+	instances/map20.pre.done \
+	instances/mcsched.pre.done \
+	instances/mik-250-1-100-1.pre.done \
+	instances/mine-166-5.pre.done \
+	instances/mine-90-10.pre.done \
+	instances/msc98-ip.pre.done \
+	instances/mspp16.pre.done \
+	instances/mzzv11.pre.done \
+	instances/n3div36.pre.done \
+	instances/n3seq24.pre.done \
+	instances/n4-3.pre.done \
+	instances/neos-1109824.pre.done \
+	instances/neos-1337307.pre.done \
+	instances/neos-1396125.pre.done \
+	instances/neos13.pre.done \
+	instances/neos-1601936.pre.done \
+	instances/neos18.pre.done \
+	instances/neos-476283.pre.done \
+	instances/neos-686190.pre.done \
+	instances/neos-916792.pre.done \
+	instances/neos-934278.pre.done \
+	instances/net12.pre.done \
+	instances/netdiversion.pre.done \
+	instances/newdano.pre.done \
+	instances/noswot.pre.done \
+	instances/ns1208400.pre.done \
+	instances/ns1688347.pre.done \
+	instances/ns1758913.pre.done \
+	instances/ns1830653.pre.done \
+	instances/opm2-z7-s2.pre.done \
+	instances/pg5_34.pre.done \
+	instances/pigeon-10.pre.done \
+	instances/pw-myciel4.pre.done \
+	instances/qiu.pre.done \
+	instances/rail507.pre.done \
+	instances/ran16x16.pre.done \
+	instances/reblock67.pre.done \
+	instances/rmatr100-p10.pre.done \
+	instances/rmatr100-p5.pre.done \
+	instances/rmine6.pre.done \
+	instances/rocII-4-11.pre.done \
+	instances/rococoC10-001000.pre.done \
+	instances/roll3000.pre.done \
+	instances/sp98ic.pre.done \
+	instances/sp98ir.pre.done \
+	instances/tanglegram1.pre.done \
+	instances/tanglegram2.pre.done \
+	instances/timtab1.pre.done \
+	instances/triptim1.pre.done \
+	instances/unitcal_7.pre.done \
+	instances/vpphard.pre.done \
+	instances/zib54-UUE.pre.done
+
+mir := $(patsubst instances/%, mir/%, $(patsubst %.done,%.yaml,$(miplib3-all-instances)))
+bases := $(patsubst instances/%, bases/%, $(patsubst %.done,%.bas,$(miplib3-all-instances)))
+solutions := $(patsubst instances/%, solutions/%, $(patsubst %.done,%.x,$(miplib3-all-instances)))
+
+benchmark := ../../build/onerow/benchmark/onerow-benchmark.run
+
+.SECONDARY:
+
+miplib2010: $(miplib2010)
+
+instances/%.done: $(benchmark) out/%.yaml
+	@touch $@
+
+out/%.yaml: $(benchmark) instances/%.mps.gz
+	@$(benchmark) -mw -f instances/$*.mps.gz -s out/$*.yaml 2>&1 | tee out/$*.log
+

onerow/benchmark/generate_tables

@@ -0,0 +1,29 @@
+#!/bin/bash
+for i in out/*yaml; do
+    IN=${i/.yaml/}
+    IN=${IN/out\//}
+    grep -q mip_value $i && continue
+    grep $IN instances/opt.tab | awk '{ print "mip_value:\n  "$2 }' >> $i
+done
+
+echo "                                     TABLE 1                                    "
+echo "--------------------------------------------------------------------------------"
+printf "%s,%s,%s,%s,%s,%s,%s,%s,%s\n" instance cutsmir cutsw origgap mirperf wperf mircontrib wcontrib wimprov
+for i in out/*.yaml; do
+    IN=${i/.yaml/}
+    IN=${IN/out\//}
+    printf "%s," $IN
+    scripts/gap.rb $i
+done | sort -t',' -nrsk 8 | sed -e 's/,$//g'
+
+echo
+echo
+echo "                                     TABLE 2                                    "
+echo "--------------------------------------------------------------------------------"
+printf "%s,%s,%s,%s,%s,%s\n" instance cutsmir cutsw mirt wedget avgm
+for i in out/*.yaml; do
+    IN=${i/.yaml/}
+    IN=${IN/out\//}
+    printf "%s," $IN
+    scripts/speed.rb $i
+done | sort | sed -e 's/,$//g'

onerow/benchmark/instances/opt.tab

@@ -0,0 +1,362 @@
+30_70_45_095_100 3.000000
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+50v-10 3311.180000
+a1c1s1 11503.400000
+acc-tight4 0.000000
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+app1-2 -41.000000
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+atlanta-ip 90.009900
+atm20-100 2463620.000000
+b2c1s1 25687.900000
+bab1 100000000000000000000.000000
+bab3 100000000000000000000.000000
+bab5 -106412.000000
+beasleyC3 754.000000
+berlin_5_8_0 62.000000
+bg512142 184203.000000
+biella1 3065010.000000
+bienst2 54.600000
+binkar10_1 6742.200000
+bley_xl1 190.000000
+blp-ar98 6205.210000
+blp-ic97 4025.020000
+bnatt350 0.000000
+bnatt400 1.000000
+buildingenergy 33283.900000
+cdma 100000000000000000000.000000
+circ10-3 100000000000000000000.000000
+co-100 2639940.000000
+core2536-691 689.000000
+core4872-1529 100000000000000000000.000000
+cov1075 20.000000
+csched007 351.000000
+csched008 173.000000
+csched010 408.000000
+d10200 12430.000000
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+danoint 65.666700
+datt256 100000000000000000000.000000
+dc1c 1767900.000000
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+dolom1 6609250.000000
+ds-big 100000000000000000000.000000
+eil33-2 934.008000
+eilA101-2 880.920000
+eilB101 1216.920000
+enlight13 71.000000
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+ex1010-pi 100000000000000000000.000000
+ex10 100.000000
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+f2000 100000000000000000000.000000
+g200x740i 30086.000000
+ger50_17_trans 100000000000000000000.000000
+germanrr 47095900.000000
+germany50-DBM 473840.000000
+glass4 1200010000.000000
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+gmut-75-50 100000000000000000000.000000
+gmut-77-40 100000000000000000000.000000
+go19 84.000000
+hanoi5 1931.000000
+harp2 -73899800.000000
+hawaiiv10-130 100000000000000000000.000000
+ic97_potential 3942.000000
+iis-100-0-cov 29.000000
+iis-bupa-cov 36.000000
+iis-pima-cov 33.000000
+in 58.000000
+ivu06-big 100000000000000000000.000000
+ivu52 100000000000000000000.000000
+janos-us-DDM 1492710.000000
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+lrsa120 100000000000000000000.000000
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+markshare_5_0 1.000000
+maxgasflow -44565800.000000
+mc11 11689.000000
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+methanosarcina 100000000000000000000.000000
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+mine-166-5 -566396000.000000
+mine-90-10 -784302000.000000
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+mspp16 363.000000
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+n3div36 130800.000000
+n3seq24 52200.000000
+n4-3 8993.000000
+n9-3 14409.000000
+nag 100000000000000000000.000000
+nb10tb 100000000000000000000.000000
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+opm2-z12-s7 -65514.000000
+opm2-z7-s2 -10280.000000
+p100x588b 47878.000000
+p2m2p1m1p0n100 100000000000000000000.000000
+p6b -63.000000
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+pg5_34 -14339.400000
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+probportfolio 16.734200
+protfold -31.000000
+pw-myciel4 10.000000
+qiu -132.873000
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+rail01 -70.570000
+rail02 -200.450000
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+ran14x18-disj-8 3712.000000
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+rmine21 100000000000000000000.000000
+rmine25 100000000000000000000.000000
+rmine6 -457.186000
+rocII-4-11 -6.655640
+rocII-7-11 100000000000000000000.000000
+rocII-9-11 100000000000000000000.000000
+rococoB10-011000 19449.000000
+rococoC10-001000 11460.000000
+rococoC11-011100 20889.000000
+rococoC12-111000 100000000000000000000.000000
+roll3000 12890.000000
+rvb-sub 100000000000000000000.000000
+satellites1-25 -5.000000
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+tanglegram2 443.000000
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+triptim2 100000000000000000000.000000
+triptim3 100000000000000000000.000000
+tw-myciel4 10.000000
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+uct-subprob 314.000000
+umts 30090300.000000
+unitcal_7 19635600.000000
+usAbbrv-8-25_70 100000000000000000000.000000
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+zib01 100000000000000000000.000000
+zib02 100000000000000000000.000000
+zib54-UUE 10334000.000000
+

onerow/benchmark/out/30n20b8.pre.log

@@ -0,0 +1,7 @@
+[      0.00] Reading input file: instances/30n20b8.pre.mps.gz...
+[      0.00] Fetched 406 rows, 5077 cols.
+[      0.00] Solving first relaxation...
+[      0.36]     93.274056 [optimal]                    
+[      0.36] Reading basis...
+
+                                                       

onerow/benchmark/out/bienst2.log

@@ -0,0 +1,32 @@
+version: benchmark.run
+machine: mensa
+[      0.00] Reading input file: instances/bienst2.pre.mps.gz...
+[      0.00] Fetched 520 rows, 898 cols.
+[      0.00] Solving first relaxation...
+[      0.00]     11.724138 [optimal]                    
+[      0.00] Reading basis...
+
+                                                       
+[      0.01] Generating MIR cuts...
+[      0.01] Finding interesting rows...
+[      3.22]     33 rows found
+[      3.22] Starting timer 1...
+version: benchmark.run
+machine: mensa
+[      0.00] Reading input file: instances/bienst2.pre.mps.gz...
+[      0.00] Fetched 520 rows, 898 cols.
+[      0.00] Solving first relaxation...
+[      0.00]     11.724138 [optimal]                    
+[      0.00] Reading basis...
+
+                                                       
+[      0.01] Generating MIR cuts...
+[      0.01] Finding interesting rows...
+[      3.00]     33 rows found
+[      3.00] Starting timer 1...
+[      3.20] Ending timer 1: 0.20s
+                 
+                                                       
+[      3.20] Added 33 violated cuts...
+[      3.22]     14.442185 [optimal]                    
+[      3.22] Generating wedge cuts...

onerow/benchmark/out/bienst2.yaml

@@ -0,0 +1,36 @@
+input_file:
+  instances/bienst2.pre.mps.gz
+sol_value:
+  0: 11.724138
+  1: 14.442185
+  2: 14.442185
+sol_status:
+  0: optimal
+  1: optimal
+  2: optimal
+n_added_cuts:
+  total:
+    33
+  depth:
+    0: 33
+n_generated_cuts:
+  total:
+    41
+  round:
+    1: 33
+    2: 8
+  depth:
+    0: 41
+trivial_lifting:
+  max_m: 0
+  average_m: 0.000000
+  integral_coefficients: 0.002685
+  slowdown: 0.000000
+timers:
+  1: 0.2040
+  2: 0.3680
+cut_speed:
+  round_1: 0.0062
+  round_2: 0.0460
+mip_value:
+  54.600000

onerow/benchmark/out/csched010.log

@@ -0,0 +1,17 @@
+version: benchmark.run
+machine: mensa
+[      0.00] Reading input file: instances/csched010.pre.mps.gz...
+[      0.00] Fetched 271 rows, 1679 cols.
+[      0.00] Solving first relaxation...
+[      0.07]     332.422727 [optimal]                    
+[      0.07] Reading basis...
+
+                                                       
+[      0.08] Generating MIR cuts...
+[      0.08] Finding interesting rows...
+[      3.42]     84 rows found
+[      3.42] Starting timer 1...
+[      5.77] Ending timer 1: 2.35s
+                 
+                                                       
+[      5.79] Added 84 violated cuts...

onerow/benchmark/out/danoint.log

@@ -0,0 +1,21 @@
+version: benchmark.run
+machine: mensa
+[      0.00] Reading input file: instances/danoint.pre.mps.gz...
+[      0.00] Fetched 600 rows, 978 cols.
+[      0.00] Solving first relaxation...
+[      0.03]     62.637280 [optimal]                    
+[      0.03] Reading basis...
+
+                                                       
+[      0.04] Generating MIR cuts...
+[      0.04] Finding interesting rows...
+[     10.11]     52 rows found
+[     10.11] Starting timer 1...
+[     10.85] Ending timer 1: 0.74s
+                 
+                                                       
+[     10.86] Added 52 violated cuts...
+[     10.90]     62.690000 [optimal]                    
+[     10.90] Generating wedge cuts...
+[     10.90] Starting timer 2...
+[     13.15] Ending timer 2: 2.26s

onerow/benchmark/out/danoint.yaml

@@ -0,0 +1,44 @@
+input_file:
+  instances/danoint.pre.mps.gz
+sol_value:
+  0: 62.637280
+  1: 62.690000
+  2: 62.690000
+sol_status:
+  0: optimal
+  1: optimal
+  2: optimal
+n_added_cuts:
+  total:
+    52
+  depth:
+    0: 52
+n_generated_cuts:
+  total:
+    593
+  round:
+    1: 52
+    2: 541
+  depth:
+    0: 145
+    1: 93
+    2: 93
+    3: 84
+    4: 75
+    5: 58
+    6: 33
+    7: 10
+    8: 2
+trivial_lifting:
+  max_m: 1035
+  average_m: 61.002773
+  integral_coefficients: 0.005403
+  slowdown: 0.329606
+timers:
+  1: 0.7440
+  2: 2.2560
+cut_speed:
+  round_1: 0.0143
+  round_2: 0.0042
+mip_value:
+  65.666700

onerow/benchmark/out/dfn-gwin-UUM.log

@@ -0,0 +1,21 @@
+version: benchmark.run
+machine: mensa
+[      0.00] Reading input file: instances/dfn-gwin-UUM.pre.mps.gz...
+[      0.01] Fetched 156 rows, 984 cols.
+[      0.01] Solving first relaxation...
+[      0.02]     27467.257235 [optimal]                    
+[      0.02] Reading basis...
+
+                                                       
+[      0.02] Generating MIR cuts...
+[      0.02] Finding interesting rows...
+[      0.17]     45 rows found
+[      0.17] Starting timer 1...
+[      0.27] Ending timer 1: 0.10s
+                 
+                                                       
+[      0.28] Added 45 violated cuts...
+[      0.29]     32186.983731 [optimal]                    
+[      0.29] Generating wedge cuts...
+[      0.29] Starting timer 2...
+[      0.61] Ending timer 2: 0.32s

onerow/benchmark/out/dfn-gwin-UUM.yaml

@@ -0,0 +1,37 @@
+input_file:
+  instances/dfn-gwin-UUM.pre.mps.gz
+sol_value:
+  0: 27467.257235
+  1: 32186.983731
+  2: 32195.320369
+sol_status:
+  0: optimal
+  1: optimal
+  2: optimal
+n_added_cuts:
+  total:
+    46
+  depth:
+    0: 45
+    1: 1
+n_generated_cuts:
+  total:
+    201
+  round:
+    1: 45
+    2: 156
+  depth:
+    0: 90
+    1: 44
+    2: 30
+    3: 27
+    4: 9
+    5: 1
+timers:
+  1: 0.1000
+  2: 0.3240
+cut_speed:
+  round_1: 0.0022
+  round_2: 0.0021
+mip_value:
+  38752.000000

onerow/benchmark/out/enlight13.log

@@ -0,0 +1,21 @@
+version: benchmark.run
+machine: mensa
+[      0.00] Reading input file: instances/enlight13.pre.mps.gz...
+[      0.00] Fetched 169 rows, 339 cols.
+[      0.00] Solving first relaxation...
+[      0.00]     1.000000 [optimal]                    
+[      0.00] Reading basis...
+
+                                                       
+[      0.00] Generating MIR cuts...
+[      0.00] Finding interesting rows...
+[      0.03]     2 rows found
+[      0.04] Starting timer 1...
+[      0.04] Ending timer 1: 0.00s
+                 
+                                                       
+[      0.05] Added 2 violated cuts...
+[      0.05]     1.500000 [optimal]                    
+[      0.05] Generating wedge cuts...
+[      0.05] Starting timer 2...
+[      0.06] Ending timer 2: 0.01s