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Clemens Hammacher d746be9ceb [wasm] Use work-stealing queues for background compilation 
This reduces contention on the mutex protecting the {CompilationState}
by splitting the compilation unit queues into several queues (one per
background task). Each task executes its own queue first, and steals
from other queues once it runs out of work.
The implementation of the set of work-stealing queues is encapsulated
in the new {CompilationUnitQueues} class in module-compiler.cc.

R=titzer@chromium.org

Bug: v8:8916
Change-Id: I5a40314917e7d4a35d7ff9e8ec124ec212beacab
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1543350
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60572}
2019-04-02 14:27:52 +00:00
benchmarks [test] Ensure random generator in JSTests does not use float arithmetic 2018-12-17 10:05:08 +00:00
build_overrides [tracing] Add build config for Perfetto behind a flag 2019-03-28 09:26:52 +00:00
custom_deps [build] Add common directory for custom deps 2018-06-08 19:23:02 +00:00
docs [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
gni [tracing] Add build config for Perfetto behind a flag 2019-03-28 09:26:52 +00:00
include Add V8_EXPORT to TickSample 2019-03-26 09:19:31 +00:00
infra [build] Use default for component build on full debug builders 2019-03-29 12:38:20 +00:00
samples Add a sample that uses the JS API to create wasm 2018-06-07 23:43:38 +00:00
src [wasm] Use work-stealing queues for background compilation 2019-04-02 14:27:52 +00:00
test Skip test unsuitable for gc fuzzing 2019-04-02 13:31:25 +00:00
testing Remove dummy files created for rolling googletest. 2018-03-27 05:55:56 +00:00
third_party [Builtins] Make it harder to store signalling NaNs in Torque/CSA 2019-03-26 10:22:50 +00:00
tools [tools] Improve locs.py to include target name in json 2019-04-01 08:24:03 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.clang-tidy [tool] Remove unfixed clang-tidy warnings to ease use. 2018-10-26 07:40:32 +00:00
.editorconfig Add .editorconfig 2017-07-28 13:39:24 +00:00
.git-blame-ignore-revs [build] Add DEPS formatting to hyper-blame 2017-10-09 14:08:45 +00:00
.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.gitignore Add .ccls-cache to .gitignore 2019-02-26 10:32:45 +00:00
.gn [test] Remove obsolete test262 archive extract 2018-03-28 13:52:15 +00:00
.vpython [tools] Correctly identify and report test crashes and infra failures 2018-10-30 15:05:40 +00:00
.ycm_extra_conf.py [ycm] Switch from gnu++11 to gnu++14 2017-11-27 07:48:21 +00:00
AUTHORS Use inherited ctors for MacroAssembler and TurboAssembler 2019-03-08 09:31:30 +00:00
BUILD.gn [tracing] Fix build for use_perfetto config 2019-04-02 14:05:42 +00:00
ChangeLog [release] Merge ChangeLog back to master 2018-12-07 15:41:59 +00:00
CODE_OF_CONDUCT.md Explicitly state that the Chromium Code of Conduct also applies to V8 2016-03-02 09:51:24 +00:00
codereview.settings Make Gerrit the default code review for V8 2017-06-30 17:37:37 +00:00
DEPS Revert "Update V8 DEPS." 2019-04-02 14:00:34 +00:00
LICENSE Add antlr4 runtime library to support Torque 2018-04-10 10:01:01 +00:00
LICENSE.fdlibm Add LICENSE.fdlibm for all the fdlibm imported sources. 2016-06-09 07:17:03 +00:00
LICENSE.strongtalk Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.v8 Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.valgrind Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
OWNERS [owners] Add szuend@chromium.org to top level owners 2019-03-18 09:37:52 +00:00
PRESUBMIT.py Revert "[torque] Temporarily disable torque format check to pass presubmit" 2019-02-20 14:07:17 +00:00
README.md [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
snapshot_toolchain.gni Make win/cross build work better when targeting arm64 on macOS hosts. 2019-03-22 18:30:23 +00:00
WATCHLISTS Update WATCHLIST wrt yangguo 2018-11-23 08:29:12 +00:00

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.