Reference
IBM developerWorks - Linux - Perlを最適化するhttp://www-6.ibm.com/jp/developerworks/linux/041119/j_l-optperl.html
cubic9.com - 2004-11-30
http://cubic9.com/Blog/2004-11-30/
via
cl.pocari.org - 2004-12-01http://cl.pocari.org/2004-12.php#2004-12-01-2