ruby 1.9 㯠ruby 1.8 ãã eval ã 3 åãããé ãã¨ããã®ã¯æå (?) ãªè©±ã§ããã§ã¯ãä»ã® LL ã¨æ¯ã¹ã¦ã©ããªãã ããã¨æã£ãã®ã§ãæ¯è¼ããã¦ã¿ã¾ããã "1" ã 100000 å eval ãã eval ã®åå¦çã¨å¾å¦çã«ãããæéã®æ¯è¼ã ruby 1.8 (trunk) : 0.22 sec ruby 1.9 (trunk) : 0.82 sec perl 5.10 : 1.23 sec python 3.0rc1 : 1.83 sec php 5.3 alpha 2 : N/A (> 180 sec)ãã®çµæã ãã¿ãã¨ãruby 1.9 ã® eval ã¯ããã§ãéãæ¹ã«è¦ãã¾ã *1 ã ããã¯ã¨ããã PHP ãæ¿é ãªãã§ãããã©ãã eval ãç¹°ãè¿ãå¼ã¶ã¨ããªããå¼ãã åæ°ä»¥ä¸ã«ã©ãã©ãé ããªã (O(n^3) ãããï¼) ã®ã§ãæå³ã®ã
{{#tags}}- {{label}}
{{/tags}}