Re: Switch Table Extension for PHP

Please note that the extension modifies op_array and run-time and it definitely will break opcode caches. However, it is probably possible to reimplement it on compiler level (may be with new opcode). Thanks. Dmitry. Marcus Boerger wrote: > Hello Stefan, > > please discuss with RMs when to merge this in. IMO such a nice locale > improvment can go in anytime during alpha when RMs approve. > > marcus > > Wednesday, July 30, 2008, 10:18:02 PM, you wrote: > > Hi, > > for everyone interested in getting the last bit of speed out of his PHP > I created a small extension that overrides the ZEND_CASE opcode and > optimizes its execution. > > On the first execution of a switch statement it builds up a jumptable > for all the cases and later execution of the same switch statement is > then performed by directly looking up the jump target within the jumptable. > > You can find more information and the download at > > http://www.suspekt.org/switchtable/ > > I am very interested how it performs with YOUR switch statements. And I > am also very interested if its implementation unexpectedly breaks YOUR > switch statements. > > Greeting, > Stefan > Best regards, > Marcus