Re: Re: Zend JIT Open Sourced

On Wed, Mar 4, 2015 at 3:44 PM, Dmitry Stogov <dmitry@zend.com> wrote: > On Tue, Mar 3, 2015 at 10:55 PM, Anthony Ferrara <ircmaxell@gmail.com> > wrote: > >> Dmitry, >> >> >> So, let's put that to the test, shall we. I compiled and ran the >> >> "JIT" >> >> compiler (can we please stop calling it that, it's not). >> > >> > >> > This is JIT! >> >> My apologies. I interpreted your reply to an earlier email that you >> were doing all of the code generation at compile time, not at runtime. >> I should have dug into the code a bit more earlier, but what I looked >> at briefly before supported that interpretation. >> >> However after digging through zend_jit_llvm.cpp a bit more I can see >> what you're doing now. You're basically AOT compiling from PHP >> directly to LLVM bytecode (a file at a time), then using LLVM's VM and >> jit compile to compile to native at runtime. Is that the correct >> interpretation? >> > > More or less right, except that term AOT is not correct. > We compile PHP file when it's requested (just in time). > We compile one PHP file at once, similar to what AOT compiler would do, but > we compile directly to memory and then execute it, With the type inference result we get in runtime. thanks > > Thanks. Dmitry. > > > >> >> Thanks, >> >> Anthony >> -- Xinchen Hui @Laruence http://www.laruence.com/