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Clemens Hammacher 5d0b4ad649 Reland "[wasm] Compile big functions first" 
This is a reland of 2ce5da9a70

Original change's description:
> [wasm] Compile big functions first
>
> Add a special queue to {CompilationUnitQueues} to handle big functions
> specially. They are organized in a priority queue (ordered by their
> body size), and all threads check this queue first, before executing
> the tasks from their own queue. In some benchmarks, this shortens
> overall compilation time by 10-20 percent.
>
> R=ahaas@chromium.org
>
> Bug: v8:8916, chromium:950493
> Change-Id: I45f36a05304e2f1c4f3ce6b8821ddd4bd08fbba3
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1622122
> Reviewed-by: Andreas Haas <ahaas@chromium.org>
> Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#61746}

Bug: v8:8916, chromium:950493
No-Presubmit: true
Change-Id: I26c949ce6a0f5efee684561dc0b4eba44921cddf
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1624799
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61755}
2019-05-22 16:43:40 +00:00
benchmarks [benchmarks] Move Array slice benchmarks to js-perf-test 2019-05-20 09:05:52 +00:00
build_overrides Clean up infra owners 2019-05-15 11:18:43 +00:00
custom_deps Clean up infra owners 2019-05-15 11:18:43 +00:00
docs Add OWNERS for docs/ 2019-05-15 12:06:15 +00:00
gni Clean up infra owners 2019-05-15 11:18:43 +00:00
include Revert "[tracing] Add a configurable output stream for perfetto tracing" 2019-05-22 15:58:11 +00:00
infra Revert "Reland "[ptr-compr][x64] Temporarily enable pointer compression on x64"" 2019-05-22 12:51:53 +00:00
samples Add OWNERS file for samples/ 2019-05-14 16:55:03 +00:00
src Reland "[wasm] Compile big functions first" 2019-05-22 16:43:40 +00:00
test Revert "[tracing] Add a configurable output stream for perfetto tracing" 2019-05-22 15:58:11 +00:00
testing Remove dummy files created for rolling googletest. 2018-03-27 05:55:56 +00:00
third_party [DevTools] Roll inspector-protocol to v8 2019-05-22 06:15:38 +00:00
tools Revert "Reland "[ptr-compr][x64] Temporarily enable pointer compression on x64"" 2019-05-22 12:51:53 +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 v8: Stop setting secondary_source. 2019-05-13 16:06:53 +00:00
.vpython [tools] Implement confidence-based number of runs 2019-05-09 09:42:28 +00:00
.ycm_extra_conf.py [ycm] Switch from gnu++11 to gnu++14 2017-11-27 07:48:21 +00:00
AUTHORS make deleted functions public in include 2019-05-13 07:58:31 +00:00
BUILD.gn [mksnapshot] Add abstract base class for platform embedded file writers 2019-05-22 14:01:00 +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
COMMON_OWNERS [OWNERS] Add solanes@ to COMMON_OWNERS 2019-05-22 13:50:51 +00:00
DEPS Update V8 DEPS. 2019-05-22 06:14:33 +00:00
ENG_REVIEW_OWNERS Add eng review owners as escalation path 2019-05-15 19:12:10 +00:00
INFRA_OWNERS Clean up infra owners 2019-05-15 11:18:43 +00:00
LICENSE [wasm] Draft version of C/C++ Wasm API 2019-04-17 16:00:26 +00:00
LICENSE.fdlibm Add LICENSE.fdlibm for all the fdlibm imported sources. 2016-06-09 07:17:03 +00:00
LICENSE.strongtalk
LICENSE.v8
LICENSE.valgrind
OWNERS Add eng review owners as escalation path 2019-05-15 19:12:10 +00:00
PRESUBMIT.py Reland "Move logging and diagnostics related source files" 2019-05-20 09:54:57 +00:00
README.md [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
WATCHLISTS Move code generation related files to src/codegen 2019-05-21 10:33:39 +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.