The document you linked to is outdated. It was based on Crankshaft which hasn't been used since V8 v5.9.
See the first two lines: *All this is wrong in TurboFan. (Node 8+)* *Please do not take anything written here as performance advice, this is here for historical reasons.* On Sun, Apr 14, 2019 at 11:36 PM Al Mo <almos...@gmail.com> wrote: > I just found this: > https://github.com/petkaantonov/bluebird/wiki/Optimization-killers > > So that kind of answers my own question. Still, if anyone wants to drop > its two cents, I'll be glad to read. > > Still puzzled why I 'measure' the same performance on both cases. I'm > doing millions of linear algebra operations. Also compared that to similar > C and performance is pretty close. If this means they could be even faster > then wow :D > > On Monday, April 15, 2019 at 12:28:03 AM UTC+3, Al Mo wrote: >> >> Let's say I have some code and I want to execute it, you could: >> >> (a) create a v8::Script, compile it and then run it, >> >> OR, >> >> (b) send the string to an active v8::Context and call eval(code) from >> inside. >> >> I remember hearing that eval does not optimize code, but in my purely >> empirical tests both scenarios seem to run code at about the same speed. >> >> But still the question is, are there differences in performance between >> the two approaches? What other things should I expect to be different? >> >> >> -- > -- > 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.