32-th Fibonacci number is 3524578 Total is 905816546 Performance counter stats for 'bin/ada-recursion.bin 32 256': 8032.404897 task-clock (msec) # 0.999 CPUs utilized 682 context-switches # 0.085 K/sec 18 cpu-migrations # 0.002 K/sec 106 page-faults # 0.013 K/sec 28,847,692,428 cycles # 3.591 GHz (83.33%) 5,112,934,298 stalled-cycles-frontend # 17.72% frontend cycles idle (83.33%) 2,428,049,418 stalled-cycles-backend # 8.42% backend cycles idle (66.65%) 50,754,605,312 instructions # 1.76 insn per cycle # 0.10 stalled cycles per insn (83.33%) 9,966,662,426 branches # 1240.807 M/sec (83.34%) 227,503,985 branch-misses # 2.28% of all branches (83.35%) 8.039251322 seconds time elapsed