Re: Performance problem with php

On 6/23/10 11:40 AM, Stas Malyshev wrote: > Hi! > >> Another option may be to compute a hash of the file. When you find >> that file content has the same hash value as a known file you flag >> them as "same file". This could be faster (file contents are cached > > First, two files with the same content is not the same as same file > referred twice with different name. Second, to know that I'd need to > open and read the whole file and then compute the hash of it - which > sounds quite expensive. Right now with proper caching non-including > include_once can be done with 0 system calls (unfortunately, pure PHP > doesn't do it yet, though IIRC Zend's Optimizer+ does - not sure about > APC). APC does the same if you set apc.stat=0 to not check for file modifications. -Rasmus