I've submitted a bug with a repro here: https://bugs.chromium.org/p/v8/issues/detail?id=13714
Thanks, Chris On Friday, February 3, 2023 at 7:15:06 AM UTC-5 dinf...@chromium.org wrote: > Hi, > > I am not aware of performance regressions with this feature. You can open > an issue with a repro so we can take a look at. > > Performance is monitored quite heavily with V8 but maybe something slipped > through. > > Best, > Dominik > > On Friday, February 3, 2023 at 12:02:25 PM UTC+1 crdu...@gmail.com wrote: > This specific commit disabled map space by default, and later commits seem > to have totally removed map space from the code. > Can anyone provide any details or insights as to what kind of code could > be impacted (performance-wise) by this change? > > On Tuesday, January 31, 2023 at 9:58:09 AM UTC-5 crdu...@gmail.com wrote: > I'm seeing a significant performance regression running some JavaScript > workloads in an application that embeds V8. There isn't much going on in > terms of native code integration in this workload, it's mostly doing some > CryptoJS stuff. > > Doing a `git bisect` I've isolated the change to this commit: > https://chromium.googlesource.com/v8/v8/+/0ff080d1f7f6b1a0fdaedc6e150ac93a8ce962ec > > I'm wondering if anyone has any thoughts on this. > - Is anyone else seeing this performance change? > - Would a performance regression have been noticed in regular V8 release > testing? > - Does anyone have any thoughts on how to mitigate the performance impact? > The changes to the map space in that commit don't appear to have build > options to control them, that I can see. > -- -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/v8-users/699e4054-72ab-43cb-aebf-0fd3cbc02ebcn%40googlegroups.com.
