Interesting. I can reproduce locally. Please open a bug at http://crbug.com/v8/new (and post the link here for future reference). Thanks!
On Wed, Jul 18, 2018 at 12:41 PM, <shahar.s...@gmail.com> wrote: > Hello. > > I've noticed a severe performance regression in a JavaScript Parsing > libraries <http://sap.github.io/chevrotain/performance/> benchmark > i've created. This is a *pure* CPU JavaScript engine benchmark, so the > cause should > be V8, not Chrome. > > On Chrome Stable Version 67.0.3396.99 (Official Build) (64-bit): > With *V8 6.7.288.46 *I am getting *~2,500* Ops/sec for the Chevrotain > library. > > While On Chrome Canary Version 69.0.3495.0 (Official Build) canary > (64-bit) > with *V8 6.9.423 *I am getting* only ~1,000 *Ops/Sec > > I also saw a similar issue with Chrome beta/dev channels. > That is a pretty severe regression... > > > What should I do now? Where can I open a bug? How can I help? > > - I've played around with the source code of the Chevrotain but have > not found any workaround/mitigation yet. > - I've thought about reproducing the issue in node.js but there is no > node.js version with V8 6.9 yet. > > > -- -- v8-dev mailing list v8-dev@googlegroups.com http://groups.google.com/group/v8-dev --- You received this message because you are subscribed to the Google Groups "v8-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to v8-dev+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.