Re: Garbage collector patch

On Tue, December 4, 2007 2:18 pm, Rasmus Lerdorf wrote: > Stanislav Malyshev wrote: >>> 1. Always compile it in but leave undocumented #ifdefs in place for >>> performance freaks. Those same performance freaks aren't going to >>> care >>> about the binary compatibility issue since they are the same people >>> who >>> build all their own stuff. >> >> Note that breaking BC is not only about performance - one your build >> is >> not the same as mainstream PHP, you can't use any binary extension >> which >> would do anything non-performance-related - like interfacing some >> external system/library, debugging, profiling, testing, security and >> so on. >> Any commercial module won't be available for the user of this >> switch, >> and all open-source modules one'd have to build by oneself, which >> may be >> serious maintenance issue. I know there are a bunch of companies >> that >> compile PHP with their own options but still use commercial modules, >> including both performance and non-performance ones. They couldn't >> use >> this compile switch. > > Yes, I know what binary compatibility means. Call me crazy, but... Would it be possible to hard-code the bit that adds the 4 bytes to the zval, but make the execution bit a flag so that binary compatibility is always there, but the executable code that does the GC can come or go as needed?... Or am I just talking nonsense due to ignorance? -- Some people have a "gift" link here. Know what I want? I want you to buy a CD from some indie artist. http://cdbaby.com/from/lynch Yeah, I get a buck. So?