传播状态独立，但是效果不好

circuit.cpp

@@ -19,8 +19,9 @@ void Circuit::init_stems() {
     
     for(auto& gate: gates) {
         if(gate->outputs.size() >= 2) {
-            gate->stem = true;
+            
         }
+        gate->stem = true;
         if(gate->stem) {
             stems.push_back(gate);
         }

circuit.h

@@ -80,12 +80,12 @@ void init_stems();
 // local search
 
 // shared info
-static const int STEM_INC = 10;
+static const int STEM_INC = 20;
 static const int STEM_COST_MAX = 1e9;
 static ll stem_total_cost;
 static int stem_falsified_cnt;
 
-static const int PROPAGATE_INC = 10;
+static const int PROPAGATE_INC = 20;
 static const int PROPAGATE_COST_MAX = 1e9;
 static ll propagate_total_cost;
 static int propagate_falsified_cnt;

gate.cpp

@@ -11,6 +11,11 @@
 // }
 
 bool Gate::cal_sa(bool x) {
+    if(po) {
+        if(x == 0) return value;
+        else return !value;
+    }
+
     bool sa0 = 0;
     bool sa1 = 0;
 

ls.cpp

@@ -29,8 +29,8 @@ bool Circuit::local_search(std::unordered_set<Fault*> &faults) {
             picked_stem = ls_pick_falsified_var(value, propagate);
             printf("[UP] propagate: %lld, stem: %lld, fault:%lld. propagate_cnt: %d, stem_cnt: %d, fault_cnt:%d\n", propagate_total_cost, stem_total_cost, fault_total_cost, propagate_falsified_cnt, stem_falsified_cnt, fault_falsified_cnt);
         } else {
-            printf("pick: %s value: %d propagate: %d\n", picked_stem->name.c_str(), value, propagate);
-            printf("[LS] propagate: %lld, stem: %lld, fault:%lld. propagate_cnt: %d, stem_cnt: %d, fault_cnt:%d\n", propagate_total_cost, stem_total_cost, fault_total_cost, propagate_falsified_cnt, stem_falsified_cnt, fault_falsified_cnt);
+            // printf("pick: %s value: %d propagate: %d\n", picked_stem->name.c_str(), value, propagate);
+            // printf("[LS] propagate: %lld, stem: %lld, fault:%lld. propagate_cnt: %d, stem_cnt: %d, fault_cnt:%d\n", propagate_total_cost, stem_total_cost, fault_total_cost, propagate_falsified_cnt, stem_falsified_cnt, fault_falsified_cnt);
         }
 
         picked_stem->value = value;
@@ -45,6 +45,26 @@ bool Circuit::local_search(std::unordered_set<Fault*> &faults) {
             printf("[SOL] propagate: %lld, stem: %lld, fault:%lld. propagate_cnt: %d, stem_cnt: %d, fault_cnt:%d\n", propagate_total_cost, stem_total_cost, fault_total_cost, propagate_falsified_cnt, stem_falsified_cnt, fault_falsified_cnt);
             break;
         }
+
+
+        if(fault_total_cost == 6340 && propagate_falsified_cnt == 19 && stem_falsified_cnt == 1 && fault_falsified_cnt == 317) {
+            static int cnt = 0;
+            cnt++;
+            if(cnt == 100) {
+                print_gates();
+                for(Gate* s: stems) {
+                    if(!s->propagate_satisfied) {
+                        printf(" > propagate falsified: %s\n", s->name.c_str());
+
+                        printf("s0: %d s1: %d, cal_s0: %d, cal_s1: %d\n", s->fault_satisfied[0], s->fault_satisfied[1], s->cal_sa(0), s->cal_sa(1));
+
+                        printf("score: %lld\n", ls_pick_score(s, 1, 0));
+
+                    }
+                }
+                exit(0);
+            }
+        }
     }
 
     static int original_faults = -1;
@@ -75,6 +95,7 @@ Gate* Circuit::ls_pick_falsified_var(bool &value, bool &propagate) {
     for(Gate *g : stems) {
         if(g->po) continue;
         if(g->stem_satisified) continue;
+        if(g->propagate_satisfied) continue;
         candidates.push_back(g);
     }
 
@@ -83,6 +104,11 @@ Gate* Circuit::ls_pick_falsified_var(bool &value, bool &propagate) {
     }
 
     Gate* pick = candidates[rand()%candidates.size()];
+
+
+    value = !pick->value;
+    propagate = !propagate;
+
     return pick;
 }
 
@@ -104,7 +130,7 @@ Gate* Circuit::ls_pick_good_var(bool &value, bool &propagate) {
         std::swap(stems_random[i], stems_random[rand()%stems_random.size()]);
     }
 
-    const int T = 100;
+    const int T = 25;
 
     for(int i=0; i < stems_random.size() && i < T; i++) {
         Gate* t_stem = stems_random[i];
@@ -140,12 +166,23 @@ void Circuit::ls_update_weight() {
             if(g->stem && !g->propagate_satisfied && (g->propagate_cost + PROPAGATE_INC <= PROPAGATE_COST_MAX)) {
                 g->propagate_cost += PROPAGATE_INC;
                 propagate_total_cost += PROPAGATE_INC;
+
+                for(Gate* pre : g->pre_stems) {
+                    if(pre->propagate_cost - PROPAGATE_INC >= 1) {
+                        pre->propagate_cost -= PROPAGATE_INC;
+                        if(!pre->propagate_satisfied) {
+                            propagate_total_cost -= PROPAGATE_INC;
+                        }
+                    }
+                }
             }
 
             if(g->stem && !g->stem_satisified && (g->stem_cost + STEM_INC <= STEM_COST_MAX)) {
                 g->stem_cost += STEM_INC;
                 stem_total_cost += STEM_INC;
 
+                if(g->stem_satisified)
+
                 for(Gate* suc : g->suc_stems) {
                     if(suc->stem_cost - STEM_INC >= 1) {
                         suc->stem_cost -= STEM_INC;
@@ -200,8 +237,8 @@ ll Circuit::ls_pick_score(Gate* stem, bool value, bool propagate) {
     ll old_score1 = ls_score();
     // print_gates();
     // printf("--------------");
-    // printf("[wrong] propagate: %lld, stem: %lld, fault:%lld\n", Circuit::propagate_total_cost, Circuit::stem_total_cost, Circuit::fault_total_cost);
-    // printf("[wrong] propagate_cnt: %d, stem_cnt: %d, fault_cnt:%d\n", Circuit::propagate_falsified_cnt, Circuit::stem_falsified_cnt, Circuit::fault_falsified_cnt);
+    //printf("[before] propagate: %lld, stem: %lld, fault:%lld\n", Circuit::propagate_total_cost, Circuit::stem_total_cost, Circuit::fault_total_cost);
+    //printf("[before] propagate_cnt: %d, stem_cnt: %d, fault_cnt:%d\n", Circuit::propagate_falsified_cnt, Circuit::stem_falsified_cnt, Circuit::fault_falsified_cnt);
 
     bool old_value = stem->value;
     bool old_propagate = stem->propagate;
@@ -215,6 +252,9 @@ ll Circuit::ls_pick_score(Gate* stem, bool value, bool propagate) {
     // print_gates();
     // printf("--------------");
 
+    //printf("[now] propagate: %lld, stem: %lld, fault:%lld\n", Circuit::propagate_total_cost, Circuit::stem_total_cost, Circuit::fault_total_cost);
+    //printf("[now] propagate_cnt: %d, stem_cnt: %d, fault_cnt:%d\n", Circuit::propagate_falsified_cnt, Circuit::stem_falsified_cnt, Circuit::fault_falsified_cnt);
+
     stem->value = old_value;
     stem->propagate = old_propagate;
 
@@ -228,8 +268,7 @@ ll Circuit::ls_pick_score(Gate* stem, bool value, bool propagate) {
     // if(old_score1 != old_score2) {
 
     //     printf("old1: %lld old2: %lld\n", old_score1, old_score2);
-    //     printf("[wrong] propagate: %lld, stem: %lld, fault:%lld\n", Circuit::propagate_total_cost, Circuit::stem_total_cost, Circuit::fault_total_cost);
-    //     printf("[wrong] propagate_cnt: %d, stem_cnt: %d, fault_cnt:%d\n", Circuit::propagate_falsified_cnt, Circuit::stem_falsified_cnt, Circuit::fault_falsified_cnt);
+        //ed_cnt);
     //     exit(-1);
     // }
 
@@ -238,6 +277,7 @@ ll Circuit::ls_pick_score(Gate* stem, bool value, bool propagate) {
 
 ll Circuit::ls_score() {
     ll score =  - propagate_total_cost - stem_total_cost - fault_total_cost;
+    //ll score =  - stem_total_cost - fault_total_cost;
     return score;
 }