http://blog.caifeng.me/2009/04/28/performance-of-strstr-and-%e2%80%98%e2%80%98join/ Paw trace ... Fri, 23 Apr 2010 04:29:14 +0000 http://wordpress.org/?v=2.9.2 hourly 1 http://blog.caifeng.me/2009/04/28/performance-of-strstr-and-%e2%80%98%e2%80%98join/comment-page-1/#comment-40 Chaobin Wed, 14 Apr 2010 08:59:53 +0000 http://www.caifeng.me/blog/?p=60#comment-40 Tested on my iMac, join() indeed is faster! Guess the point is right referring to the memory usage. Since operator '+' applied on a str will of course force the memory block to be copied in every loop, it deals things slower with that big overhead. Tested on my iMac, join() indeed is faster!
Guess the point is right referring to the memory usage. Since operator ‘+’ applied on a str will of course force the memory block to be copied in every loop, it deals things slower with that big overhead.

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