Re: [PATCH] String function optimizations

Small correction to the original patch, fixes a segv in sybase-style addslashes code as well as removes unused variable. Ilia On October 3, 2002 10:21 pm, Ilia A. wrote: > After doing a number of tests on PHP's various string functions, I've came > up with a patch that significantly improves the performance on those > functions. The patch optimizes: > php_addslashes() - internal PHP function used to add slashes to a string > (15-20% speed increase) > php_memnstr() - internal PHP function used to find a multibyte string > inside another string. 35-40% speed increase when string is found, 90-100% > speed increase when the string is not found. > substr_count() - PHP function used to determine the number of times a > string occurs within another string. 20-25% speed increase + additional > speed gains from usage of optimized php_memnstr() function. > > Please let me know if there are any objections, better suggestions, bug > reports (pertaining to this patch) that would need to be resolved before > this bug goes into the CVS. > > Ilia

Attachment: [text/x-diff] string.patch