AFAIK that's correct. The polluted warmup context is thrown out, and a second clean context (with the now-compiled code) is serialized into the warmed up snapshot.
On Thu, Mar 1, 2018 at 5:31 PM, Johannes Rieken <johannes.rie...@gmail.com> wrote: > Great! Thanks for the speedy reply. Looking at https://cs.chromium.org/ > chromium/src/v8/test/cctest/test-serialize.cc?type=cs&q= > CustomSnapshotDataBlobWithWarmup&l=1167 makes me think/hope that > functions are being compiled but state isn't changed (e.g. the assignment > to `a` isn't persistent). Is that a correct assumption? > > On Thursday, March 1, 2018 at 5:16:37 PM UTC+1, Jakob Gruber wrote: >> >> On Thu, Mar 1, 2018 at 4:43 PM, Johannes Rieken <johanne...@gmail.com> >> wrote: >> >>> >>> Hey, >>> >>> Can someone help me understand what the difference between a warm and >>> cold snapshot is? I stumbled over `WarmUpSnapshotDataBlob` but I am not >>> entirely sure how to make use of them via the mksnapshot-tools and what the >>> sequence would be. Do I begin with a custom snapshot and then snapshot that >>> snapshot again after its functions have been used? >>> >>> >> Yes. See https://cs.chromium.org/chromium/src/v8/src/snapshot/mks >> napshot.cc?l=177&rcl=fd158bc49d646d93a59cd07d07dfb9627bc94a30 for an >> example. >> >> The steps are also nicely explained here: >> https://cs.chromium.org/chromium/src/v8/src/api.cc?l=830&; >> rcl=fd158bc49d646d93a59cd07d07dfb9627bc94a30 >> > -- > -- > 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. > Jakob Gruber Software Engineer jgru...@google.com Google Germany GmbH Erika-Mann-Straße 33 80636 München Geschäftsführer: Paul Manicle, Halimah DeLaine Prado Registergericht und -nummer: Hamburg, HRB 86891 Sitz der Gesellschaft: Hamburg Diese E-Mail ist vertraulich. Falls sie diese fälschlicherweise erhalten haben sollten, leiten Sie diese bitte nicht an jemand anderes weiter, löschen Sie alle Kopien und Anhänge davon und lassen Sie mich bitte wissen, dass die E-Mail an die falsche Person gesendet wurde. This e-mail is confidential. If you received this communication by mistake, please don't forward it to anyone else, please erase all copies and attachments, and please let me know that it has gone to the wrong person. -- -- 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.
