FLAG_concurrent_recompilation only affects (parts of) optimized _re_compilation. Initial unoptimized compilation of a function always happens on the main thread. Optimized recompilation also performs parts of its work on the main thread.
On Tue, May 10, 2016 at 6:21 PM, Borislav Stanimirov <bstanimir...@gmail.com > wrote: > Hi, > > I'm running v8 on Android with all settings set to default (a trace of > v8::internal::FLAG_concurrent_recompilation shows true). When the > application starts there are noticeable blocks (from tens to sometimes two > hundred milliseconds) in the main thread. When I rerun the same code, > without restarting the executable, those blocks are not seen. JIT > compilation seems like the best candidate for them. > > The curious thing is that when I set FLAG_concurrent_recompilation to > false, that doesn't seem to affect them in any way. (It kinda seems to me > that the main thread experiences a tiny bit more blocks with the flag off, > but it can also be a measurement error. I'm not sure) > > Now, what I'm thinking is that I may not be using v8 right from my C++ > code which causes the concurrent recompilation to somehow block. > > So... what (if any) v8 C++ functions could block the thread until the > recompilation is finished? > > -- Borislav > > -- > -- > v8-users mailing list > v8-users@googlegroups.com > http://groups.google.com/group/v8-users > --- > You received this message because you are subscribed to the Google Groups > "v8-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to v8-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- v8-users mailing list v8-users@googlegroups.com http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to v8-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
