Awesome. Congrats on reaching this milestone! Yang
On Tue, Sep 21, 2021 at 10:34 AM 'Hannes Payer' via platform-architecture-dev <[email protected]> wrote: > Thanks you all for the hard work! Huge congrats! > > On Tue, Sep 21, 2021, 12:41 AM Kentaro Hara <[email protected]> wrote: > >> Finally done!! Congratulations 😊 >> >> 2021年9月21日(火) 5:38 Jeremy Roman <[email protected]>: >> >>> Awesome news! >>> >>> On Mon, Sep 20, 2021 at 1:54 PM Michael Lippautz <[email protected]> >>> wrote: >>> >>>> Hey everyone - >>>> >>>> The library allows *Oilpan* (previously known as Blink's garbage >>>> collector) *to be used as a stand-alone garbage collector for **C++** or >>>> together with V8 where it is part of the C++/JavaScript unified heap*. >>>> Both scenarios are already covered with the usage in Blink (together with >>>> V8) and PDFium (*new stand-alone C++ collector*; not yet launched). >>>> The flag switching from Oilpan in Blink to Oilpan library has been flipped >>>> for *M94*. >>>> >>>> The new library offers a stable API surface >>>> <https://chromium.googlesource.com/v8/v8.git/+/refs/heads/main/include/cppgc> >>>> with >>>> code comments and examples in code (if we forgot something, please file a >>>> bug) that follows V8's general API stability process >>>> <https://v8.dev/docs/api>. This allows fast iteration on >>>> implementation details and at the same time avoids frequent breakage. The >>>> library also provides the foundation for new garbage collection >>>> optimizations in the Blink setting together with JavaScript as it allows >>>> for better integration with V8 behind the scenes. >>>> >>>> Some other highlights: >>>> - Uses IWYU (API and internally) to avoid pulling in large parts of the >>>> heap for e.g. just using a managed reference type; >>>> - Unit tests >>>> <https://source.chromium.org/chromium/chromium/src/+/main:v8/test/unittests/heap/cppgc/> >>>> for each individual component in the C++ garbage collector; >>>> - Test target and a garbage collection playground that builds within >>>> seconds; >>>> - More correctness checks that already found issues in existing code; >>>> - Better tooling around DevTools heap snapshot and more accurate >>>> accounting in tracing's MemoryInfra >>>> <https://chromium.googlesource.com/chromium/src/+/HEAD/docs/memory-infra/README.md> >>>> ; >>>> >>>> The summary can also be found as one pager >>>> <https://docs.google.com/document/d/1Eao6rDBH45BDdtCLsfSCvPUi0JTbjTdzsGk3e_KNs6g/edit#> >>>> . >>>> >>>> The effort (tracking bug >>>> <https://bugs.chromium.org/p/chromium/issues/detail?id=1056170>) >>>> roughly took ~1.5 years and involved a lot of user code cleanup as well. >>>> Many fruitful discussions happened and quite some code was migrated and >>>> re-written. Thanks @Anton Bikineev <[email protected]> and @Omer >>>> Katz <[email protected]> for driving the implementation work. >>>> >>>> *FAQs:* >>>> *Q1: Performance?* >>>> A1: Neutral on competitive benchmarks; smaller ups and downs on micro >>>> benchmarks. We don't expect big changes as the overall architecture stays >>>> the same. >>>> >>>> *Q2: What does this mean for Blink developers? Anything I need to >>>> change in my code?* >>>> A2: We have stayed fully backwards compatible with the API. If we >>>> haven't touched your code while migrating, you don't need to change >>>> anything as of now. Going forward we may adjust the APis following V8's API >>>> stability process. We will keep maintaining the Blink GC API reference >>>> <https://chromium.googlesource.com/chromium/src/+/main/third_party/blink/renderer/platform/heap/BlinkGCAPIReference.md>, >>>> although we may move some more general docs closer to the library. >>>> >>>> *Q3: What's up with IWYU for Oilpan in Blink?* >>>> A3: So far we have kept the include-all headers around but we'd like to >>>> move to IWYU to avoid pulling in too many V8 headers everywhere. >>>> >>>> *Q4: Can we use Oilpan within V8 itself?* >>>> A4: Not just yet. Stay tuned on updates in this area. >>>> >>>> Encountering issues, or have suggestions? Let us know: >>>> - [email protected] >>>> - Monorail: Blink>GarbageCollection (Chromium), Oilpan (V8) >>>> >>>> -Michael >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "platform-architecture-dev" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/a/chromium.org/d/msgid/platform-architecture-dev/CAH%2BmL5BYuu7zOe29OWc7x1hTef8nb51ZUBz2EkvJuR_2mS_Cig%40mail.gmail.com >>>> <https://groups.google.com/a/chromium.org/d/msgid/platform-architecture-dev/CAH%2BmL5BYuu7zOe29OWc7x1hTef8nb51ZUBz2EkvJuR_2mS_Cig%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "platform-architecture-dev" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/a/chromium.org/d/msgid/platform-architecture-dev/CACuR13d25DEZY4pS2qtFx9BRKidQt9E_nrBtNfhrEtyETk4iWQ%40mail.gmail.com >>> <https://groups.google.com/a/chromium.org/d/msgid/platform-architecture-dev/CACuR13d25DEZY4pS2qtFx9BRKidQt9E_nrBtNfhrEtyETk4iWQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> -- >> v8-dev mailing list >> [email protected] >> 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 [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/v8-dev/CABg10jzS28i6QODdKCiY5R1L9iwOeKGSSb2%2By%2BapDhZGe-2rxA%40mail.gmail.com >> <https://groups.google.com/d/msgid/v8-dev/CABg10jzS28i6QODdKCiY5R1L9iwOeKGSSb2%2By%2BapDhZGe-2rxA%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > You received this message because you are subscribed to the Google Groups > "platform-architecture-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/chromium.org/d/msgid/platform-architecture-dev/CAKEgpyENjLF9y7dqPUFiCs%3D702239_WbsnHfd8Z%3D-YnvW8F4%3Dw%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/platform-architecture-dev/CAKEgpyENjLF9y7dqPUFiCs%3D702239_WbsnHfd8Z%3D-YnvW8F4%3Dw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev --- You received this message because you are subscribed to the Google Groups "v8-dev" group. 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