23/09/02 21:58:35.01 HCZF/or7.net
>>35
C/gccのダブル再帰の最適化本気スイッチの入れ方わかった
全てローカル、(Cは)C++chrono計測、Nimはcputicks
ダブル再帰最適化本気スイッチ版C
C/gcc
Time= 1.176ms fib_c_trigger(44)= 701408733
Time= 1.782ms fib_c_trigger(45)= 1134903170
Time= 2.424ms fib_c_trigger(46)= 1836311903
Time= 3.090ms fib_c_trigger(47)= 2971215073
Time= 3.873ms fib_c_trigger(48)= 4807526976
Time= 5.365ms fib_c_trigger(49)= 7778742049
Time= 7.337ms fib_c_trigger(50)= 12586269025
Time= 10.149ms fib_c_trigger(51)= 20365011074
Time= 13.961ms fib_c_trigger(52)= 32951280099
Time= 18.983ms fib_c_trigger(53)= 53316291173
Time= 26.660ms fib_c_trigger(54)= 86267571272
Time= 36.483ms fib_c_trigger(55)=139583862445
Time= 50.876ms fib_c_trigger(56)=225851433717
Time= 70.201ms fib_c_trigger(57)=365435296162