On Wed, Mar 4, 2015 at 11:21 AM, Joe Watkins <pthre...@pthreads.org> wrote:
> Just-In-Time-At-Once JITAO > file at once, function at once, trace at once, basic block at once - just different JIT approaches. The bigger part we analyze at once the more information we may get for optimization, but the slower compilation. > It is a bit different to the thing we think of as JIT ... new names are > good if old names don't fit ... > :) Thanks. Dmitry. > > Cheers > Joe > > On Wed, Mar 4, 2015 at 8:03 AM, Xinchen Hui <larue...@php.net> wrote: > >> On Wed, Mar 4, 2015 at 3:44 PM, Dmitry Stogov <dmi...@zend.com> wrote: >> > On Tue, Mar 3, 2015 at 10:55 PM, Anthony Ferrara <ircmax...@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/ >> >> -- >> PHP Internals - PHP Runtime Development Mailing List >> To unsubscribe, visit: http://www.php.net/unsub.php >> >> >
