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Michael Lippautz 72f105fe93 Revert "Reland "heap: Force incremental marking in C++ only workloads"" 
This reverts commit fe822dc984.

Reason for revert: https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Blink%20Linux%20Debug/13306/overview

Original change's description:
> Reland "heap: Force incremental marking in C++ only workloads"
>
> This is a reland of 4fde332811
>
> Two issues in Blink tests have been fixed before this reland.
>
> Original change's description:
> > heap: Force incremental marking in C++ only workloads
> >
> > ... when above a certain minimum threshold. This is to guard against
> > memory running away in scenarios where the JS heap is empty and
> > there's only high throughput C++ allocations that don't allow for a
> > memory reducer GC to kick in.
> >
> > This logic should be revisited after Oilpan's young generation
> > collector is implemented which may allow switching to a more efficient
> > shrinking strategy for initial heap setup.
> >
> > Bug: chromium:1029379, chromium:1300028, chromium:1300492
> > Change-Id: I93924fc2fe77d6226c29358d3afb1cc9d6fbf3b1
> > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3484319
> > Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
> > Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
> > Cr-Commit-Position: refs/heads/main@{#79255}
>
> Bug: chromium:1029379, chromium:1300028, chromium:1300492
> Change-Id: I6cd4a4d358bc1a78f2f001ed50dd9bb3f376f49e
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3488370
> Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
> Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#79274}

Bug: chromium:1029379, chromium:1300028, chromium:1300492
Change-Id: If325d40455f433b7910b68b24bb1cf84337f177a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3488373
Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#79277}
2022-02-25 10:17:07 +00:00
.github [github] Close PRs created on the V8 GitHub mirror automatically 2021-01-12 08:39:59 +00:00
bazel [bazel] Improve bazel build 2022-02-16 11:40:13 +00:00
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gni [cleanup] Remove deprecated build flag v8_enable_raw_heap_snapshots 2022-02-18 16:21:20 +00:00
include [sandbox] Store external pointers in EmbedderDataSlots in shifted form 2022-02-22 13:40:35 +00:00
infra [infra] migrate simple PRESUBMIT scripts to py3 2022-02-18 13:43:30 +00:00
samples Initialize V8 sandbox in samples 2022-02-14 11:15:10 +00:00
src Revert "Reland "heap: Force incremental marking in C++ only workloads"" 2022-02-25 10:17:07 +00:00
test [test] Add gc-interval flag to deopt-pretenure test 2022-02-25 10:00:07 +00:00
testing [test][cleanup] Fix -Wshadow warnings in unittests 2021-09-27 08:59:01 +00:00
third_party [infra] Fork test262-harness 2022-02-23 18:47:35 +00:00
tools [tools] Update gcmole 2022-02-24 10:30:13 +00:00
.bazelrc [bazel] Use v8_enable_handle_zapping only in debug builds. 2022-01-11 11:32:39 +00:00
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.style.yapf [tools] Add basic pointer compression to grokdump 2022-02-04 14:35:26 +00:00
.vpython Verify mac-arm64 wheels for v8/.vpython spec. 2021-09-15 21:11:50 +00:00
.vpython3 [infra] Make various scripts compatible with Python3 2022-02-04 07:17:24 +00:00
.ycm_extra_conf.py [ycm] Fix python script 2021-07-29 09:48:32 +00:00
AUTHORS [riscv64] Add RVV Float-Point Widening Instructions 2022-02-22 10:59:25 +00:00
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OWNERS Let infra owners own all dot files 2021-11-05 18:57:18 +00:00
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PRESUBMIT.py [infra] migrate the main PRESUBMIT script to py3 2022-02-18 13:44:33 +00:00
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README.md

V8 JavaScript Engine

V8 is Google's open source JavaScript engine.

V8 implements ECMAScript as specified in ECMA-262.

V8 is written in C++ and is used in Google Chrome, the open source browser from Google.

V8 can run standalone, or can be embedded into any C++ application.

V8 Project page: https://v8.dev/docs

Getting the Code

Checkout depot tools, and run

    fetch v8

This will checkout V8 into the directory v8 and fetch all of its dependencies. To stay up to date, run

    git pull origin
    gclient sync

For fetching all branches, add the following into your remote configuration in .git/config:

    fetch = +refs/branch-heads/*:refs/remotes/branch-heads/*
    fetch = +refs/tags/*:refs/tags/*

Contributing

Please follow the instructions mentioned at v8.dev/docs/contribute.