working version

config/evo_quality_preset.ini

@@ -109,7 +109,7 @@ max-steiner-tree-size=4
 mapping-largest-he-fraction=0.0
 mapping-min-pin-coverage=0.05
 #main -> evolutionary
-evolutionary.population_size=100;
+evolutionary.population_size=10;
 evolutionary.dynamic_population_size=false;
 evolutionary.dynamic_population_amount_of_time=0.15;
 evolutionary.diversify_interval=1;

config/evo_quality_preset_no_unconstrained.ini

@@ -0,0 +1,117 @@
+# general
+mode=direct
+preset-type=quality
+maxnet-removal-factor=0.01
+smallest-maxnet-threshold=50000
+maxnet-ignore=1000
+num-vcycles=0
+partition-evolutionary=true
+time-limit=300
+# main -> shared_memory
+s-use-localized-random-shuffle=false
+s-static-balancing-work-packages=128
+# main -> preprocessing
+p-enable-community-detection=true
+# main -> preprocessing -> community_detection
+p-louvain-edge-weight-function=hybrid
+p-max-louvain-pass-iterations=5
+p-louvain-min-vertex-move-fraction=0.01
+p-vertex-degree-sampling-threshold=200000
+# main -> coarsening
+c-type=multilevel_coarsener
+c-use-adaptive-edge-size=true
+c-min-shrink-factor=1.01
+c-max-shrink-factor=2.5
+c-s=1
+c-t=160
+c-vertex-degree-sampling-threshold=200000
+# main -> coarsening -> rating
+c-rating-score=heavy_edge
+c-rating-heavy-node-penalty=no_penalty
+c-rating-acceptance-criterion=best_prefer_unmatched
+# main -> initial_partitioning
+i-mode=rb
+i-runs=20
+i-use-adaptive-ip-runs=true
+i-min-adaptive-ip-runs=5
+i-perform-refinement-on-best-partitions=true
+i-fm-refinement-rounds=1
+i-lp-maximum-iterations=20
+i-lp-initial-block-size=5
+# main -> initial_partitioning -> refinement
+i-r-refine-until-no-improvement=false
+i-r-relative-improvement-threshold=0.0
+# main -> initial_partitioning -> refinement -> label_propagation
+i-r-lp-type=label_propagation
+i-r-lp-maximum-iterations=5
+i-r-lp-rebalancing=true
+i-r-lp-he-size-activation-threshold=100
+# main -> initial_partitioning -> refinement -> fm
+i-r-fm-type=kway_fm
+i-r-fm-multitry-rounds=5
+i-r-fm-perform-moves-global=false
+i-r-fm-rollback-parallel=true
+i-r-fm-rollback-balance-violation-factor=1
+i-r-fm-seed-nodes=25
+i-r-fm-obey-minimal-parallelism=false
+i-r-fm-release-nodes=true
+i-r-fm-time-limit-factor=0.25
+i-r-fm-iter-moves-on-recalc=true
+# main -> initial_partitioning -> refinement -> flows
+i-r-flow-algo=do_nothing
+# main -> refinement
+r-rebalancer-type=advanced_rebalancer
+r-refine-until-no-improvement=true
+r-relative-improvement-threshold=0.0025
+# main -> refinement -> label_propagation
+r-lp-type=do_nothing
+r-lp-unconstrained=true
+r-lp-maximum-iterations=5
+r-lp-rebalancing=true
+r-lp-he-size-activation-threshold=100
+r-lp-relative-improvement-threshold=0.001
+# main -> refinement -> fm
+r-fm-type=kway_fm
+r-fm-multitry-rounds=10
+r-fm-unconstrained-rounds=8
+r-fm-perform-moves-global=false
+r-fm-rollback-parallel=true
+r-fm-rollback-balance-violation-factor=1.0
+r-fm-threshold-border-node-inclusion=0.7
+r-fm-imbalance-penalty-min=0.2
+r-fm-imbalance-penalty-max=1.0
+r-fm-seed-nodes=25
+r-fm-release-nodes=true
+r-fm-min-improvement=-1.0
+r-fm-unconstrained-min-improvement=0.002
+r-fm-obey-minimal-parallelism=true
+r-fm-time-limit-factor=0.25
+r-fm-iter-moves-on-recalc=true
+# main -> refinement -> flows
+r-flow-algo=flow_cutter
+r-flow-scaling=16
+r-flow-max-num-pins=4294967295
+r-flow-find-most-balanced-cut=true
+r-flow-determine-distance-from-cut=true
+r-flow-parallel-search-multiplier=1.0
+r-flow-max-bfs-distance=2
+r-flow-min-relative-improvement-per-round=0.001
+r-flow-time-limit-factor=8
+r-flow-skip-small-cuts=true
+r-flow-skip-unpromising-blocks=true
+r-flow-pierce-in-bulk=true
+r-flow-process-mapping-policy=lower_bound
+# main -> mapping
+one-to-one-mapping-strategy=greedy_mapping
+mapping-use-local-search=true
+use-two-phase-approach=false
+max-steiner-tree-size=4
+mapping-largest-he-fraction=0.0
+mapping-min-pin-coverage=0.05
+#main -> evolutionary
+evolutionary.population_size=10;
+evolutionary.dynamic_population_size=false;
+evolutionary.dynamic_population_amount_of_time=0.15;
+evolutionary.diversify_interval=1;
+evolutionary.mutation_chance=0.5;
+evo-replacement-strategy=strong-diverse;

config/evo_quality_preset_short.ini

@@ -0,0 +1,117 @@
+# general
+mode=direct
+preset-type=quality
+maxnet-removal-factor=0.01
+smallest-maxnet-threshold=50000
+maxnet-ignore=1000
+num-vcycles=0
+partition-evolutionary=true
+time-limit=20
+# main -> shared_memory
+s-use-localized-random-shuffle=false
+s-static-balancing-work-packages=128
+# main -> preprocessing
+p-enable-community-detection=true
+# main -> preprocessing -> community_detection
+p-louvain-edge-weight-function=hybrid
+p-max-louvain-pass-iterations=5
+p-louvain-min-vertex-move-fraction=0.01
+p-vertex-degree-sampling-threshold=200000
+# main -> coarsening
+c-type=multilevel_coarsener
+c-use-adaptive-edge-size=true
+c-min-shrink-factor=1.01
+c-max-shrink-factor=2.5
+c-s=1
+c-t=160
+c-vertex-degree-sampling-threshold=200000
+# main -> coarsening -> rating
+c-rating-score=heavy_edge
+c-rating-heavy-node-penalty=no_penalty
+c-rating-acceptance-criterion=best_prefer_unmatched
+# main -> initial_partitioning
+i-mode=rb
+i-runs=20
+i-use-adaptive-ip-runs=true
+i-min-adaptive-ip-runs=5
+i-perform-refinement-on-best-partitions=true
+i-fm-refinement-rounds=1
+i-lp-maximum-iterations=20
+i-lp-initial-block-size=5
+# main -> initial_partitioning -> refinement
+i-r-refine-until-no-improvement=false
+i-r-relative-improvement-threshold=0.0
+# main -> initial_partitioning -> refinement -> label_propagation
+i-r-lp-type=label_propagation
+i-r-lp-maximum-iterations=5
+i-r-lp-rebalancing=true
+i-r-lp-he-size-activation-threshold=100
+# main -> initial_partitioning -> refinement -> fm
+i-r-fm-type=kway_fm
+i-r-fm-multitry-rounds=5
+i-r-fm-perform-moves-global=false
+i-r-fm-rollback-parallel=true
+i-r-fm-rollback-balance-violation-factor=1
+i-r-fm-seed-nodes=25
+i-r-fm-obey-minimal-parallelism=false
+i-r-fm-release-nodes=true
+i-r-fm-time-limit-factor=0.25
+i-r-fm-iter-moves-on-recalc=true
+# main -> initial_partitioning -> refinement -> flows
+i-r-flow-algo=do_nothing
+# main -> refinement
+r-rebalancer-type=advanced_rebalancer
+r-refine-until-no-improvement=true
+r-relative-improvement-threshold=0.0025
+# main -> refinement -> label_propagation
+r-lp-type=label_propagation
+r-lp-unconstrained=true
+r-lp-maximum-iterations=5
+r-lp-rebalancing=true
+r-lp-he-size-activation-threshold=100
+r-lp-relative-improvement-threshold=0.001
+# main -> refinement -> fm
+r-fm-type=unconstrained_fm
+r-fm-multitry-rounds=10
+r-fm-unconstrained-rounds=8
+r-fm-perform-moves-global=false
+r-fm-rollback-parallel=true
+r-fm-rollback-balance-violation-factor=1.0
+r-fm-threshold-border-node-inclusion=0.7
+r-fm-imbalance-penalty-min=0.2
+r-fm-imbalance-penalty-max=1.0
+r-fm-seed-nodes=25
+r-fm-release-nodes=true
+r-fm-min-improvement=-1.0
+r-fm-unconstrained-min-improvement=0.002
+r-fm-obey-minimal-parallelism=true
+r-fm-time-limit-factor=0.25
+r-fm-iter-moves-on-recalc=true
+# main -> refinement -> flows
+r-flow-algo=flow_cutter
+r-flow-scaling=16
+r-flow-max-num-pins=4294967295
+r-flow-find-most-balanced-cut=true
+r-flow-determine-distance-from-cut=true
+r-flow-parallel-search-multiplier=1.0
+r-flow-max-bfs-distance=2
+r-flow-min-relative-improvement-per-round=0.001
+r-flow-time-limit-factor=8
+r-flow-skip-small-cuts=true
+r-flow-skip-unpromising-blocks=true
+r-flow-pierce-in-bulk=true
+r-flow-process-mapping-policy=lower_bound
+# main -> mapping
+one-to-one-mapping-strategy=greedy_mapping
+mapping-use-local-search=true
+use-two-phase-approach=false
+max-steiner-tree-size=4
+mapping-largest-he-fraction=0.0
+mapping-min-pin-coverage=0.05
+#main -> evolutionary
+evolutionary.population_size=10;
+evolutionary.dynamic_population_size=false;
+evolutionary.dynamic_population_amount_of_time=0.15;
+evolutionary.diversify_interval=1;
+evolutionary.mutation_chance=0.5;
+evo-replacement-strategy=strong-diverse;

config/evolutionary_preset.ini

@@ -6,7 +6,7 @@ smallest-maxnet-threshold=50000
 maxnet-ignore=1000
 num-vcycles=0
 partition-evolutionary=true
-time-limit= 60
+time-limit= 20
 #300
 # main -> shared_memory
 s-use-localized-random-shuffle=false
@@ -96,8 +96,7 @@ max-steiner-tree-size=4
 mapping-largest-he-fraction=0.0
 mapping-min-pin-coverage=0.05
 #main -> evolutionary
-evolutionary.population_size=1;
-#100
+evolutionary.population_size=10;
 evolutionary.dynamic_population_size=false;
 evolutionary.dynamic_population_amount_of_time=0.15;
 evolutionary.diversify_interval=1;

mt-kahypar/io/command_line_options.cpp

@@ -738,7 +738,10 @@ namespace mt_kahypar {
               "default: 0.5)")
              ("evo-history-file",
               po::value<std::string>(&context.evolutionary.history_file)->value_name("<string>"),
-              "Output file for evolution history");
+              "Output file for evolution history")
+             ("evo-kway",
+             po::value<int>(&context.evolutionary.kway_combine)->value_name("<int>")->default_value(2),
+             "How many individsuals to combine for the combine step\n");
     return options;
   }
 

mt-kahypar/partition/context.h

@@ -281,6 +281,7 @@ struct EvolutionaryParameters {
   mutable int iteration;
   mutable std::chrono::milliseconds time_elapsed;
   std::string history_file;
+  int kway_combine;
 };
 
 std::ostream & operator<< (std::ostream& str, const EvolutionaryParameters& params);