[ruby-dev:31323] Bignum#to_s 及 Karatsuba 湘醒庍晶卞方月嫖簧祭

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戈日仃氏匹允‘

引勾手午今氏及ざ筏匹狪鎖卞卅勻化中凶 Bignum#to_s 及
Karatsuba 湘醒庍晶卞方月嫖簧 C 匹撢隸仄化心引仄凶‘
矛平醒及平乓永扑亙失伙打伉朮丞互劑仄庍卅竣互仄引允互﹞由永民毛驕尥仄引允‘

域殺﹞驕尥仄凶 test_karatsuba.rb 匹氾旦玄手仄化﹞五切氏午⑹中化中月方丹匹允‘

𣁋敉棸炊豸洁中暀倌銴帢暺遙畮痐炭牏牏鴗④中牏馱阬 扈動票卞卅曰引仄凶‘
$ time ./ruby -e 'p((65536**65536).to_s_orig(10))' > r1.txt

real    4m6.110s
user    1m1.368s
sys     0m0.016s
$ time ./ruby -e 'p((65536**65536).to_s(10))' > r2.txt

real    0m41.312s
user    0m11.421s
sys     0m0.012s

-- 
Kenta Murata
OpenPGP FP  A26 35D7 4F98 3498 0810 E0D5 F213 966F E9EB 0BCC

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