Interesting, I'm not aware of anything specific that slows down Context::New. Could you perhaps narrow down the regression further & file a bug? The build flags below look fine to me.
On Tue, Jul 17, 2018 at 1:14 AM, jzw <wanzhichun1...@gmail.com> wrote: > I narrowed down to context creation time. > when I measure the time around v8::Context::New(), I noticed 30%-40% > increase with the newer version. This is with snapshot enabled. I am > wondering if I could further reduce the time for context creation or have > to accept it? > Thank you! > > > On Friday, July 13, 2018 at 5:47:53 PM UTC-7, jzw wrote: >> >> Hello, >> We recently upgraded v8 from 5.3 to 6.7. And when doing a profiling test >> after embedding, I found the speed with the new build is slower than the >> old one(quite significant). I know there is fair chance that our old way of >> embedding v8 causes inefficiency. Apart from that, may I get some >> suggestions to make the build faster (for release at least). >> >> Currently I compiled v8 with the following options >> is_debug = false >> is_official_build = true >> is_component_build = true >> is_cfi = false >> is_clang = false >> use_custom_libcxx = false >> use_sysroot = false >> >> is the build with the above options already most optimized one? Any more >> options I could use? >> > -- -- 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.