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Leszek Swirski 2361c7c6d6 [test] Speed up mjsunit/regress/regress-542823 more 
Make the array elements in msunit/regress/regress-542823 larger, so that
it takes fewer of them to force the joined string to go into large
object space. Also, set the array's size dynamically based on the
maximum non-large object size, rather than having a fixed magic "large
enough" size, and verify that the resulting joined string is indeed in
LO space.

This reduces the runtime of this test under slow_path and gc-stress from
minutes to seconds.

Bug: v8:11060
Change-Id: I51d960b6a3e052199f50c1a6ba6fbce1b6d1ae38
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2498689
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70762}
2020-10-26 16:51:10 +00:00
build_overrides tracing: Enable using Perfetto client library from Chromium 2020-05-11 11:17:57 +00:00
custom_deps Use relative paths to OWNERS files 2019-08-12 13:52:52 +00:00
docs Add OWNERS for docs/ 2019-05-15 12:06:15 +00:00
gni tracing: Update proto library build rule and roll Perfetto 2020-10-07 12:49:09 +00:00
include Reland "cppgc: Port backing store compaction." 2020-10-23 14:42:30 +00:00
infra stop gcc debug builder from closing the tree 2020-10-20 15:27:07 +00:00
samples cppgc: Use libplatform as default platform 2020-10-08 18:16:52 +00:00
src [test] Speed up mjsunit/regress/regress-542823 more 2020-10-26 16:51:10 +00:00
test [test] Speed up mjsunit/regress/regress-542823 more 2020-10-26 16:51:10 +00:00
testing build: Remove no-op calls to set_sources_assignment_filter 2020-10-08 14:44:01 +00:00
third_party [csa][cleanup] Remove ParameterMode/TNodify StoreFixedDoubleArrayElement 2020-08-26 17:14:44 +00:00
tools [tools] Handle string literal export names in testcase.py 2020-10-23 17:16:10 +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
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.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.gitignore Revert "[presubmit] Add JS formatting for tools/system-analyzer" 2020-07-17 10:33:40 +00:00
.gn [build] Dynamically decide if to use system xcode 2019-07-29 08:20:24 +00:00
.vpython [tools] Implement confidence-based number of runs 2019-05-09 09:42:28 +00:00
.ycm_extra_conf.py Fix ycm config for headers without source 2019-12-09 11:59:21 +00:00
AUTHORS [heap] Add TPH-related flag-implication rules 2020-10-13 08:15:54 +00:00
BUILD.gn Reland "cppgc: Port backing store compaction." 2020-10-23 14:42:30 +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 Adding vahl@ to the common owners to be able to handle 2020-08-21 09:04:56 +00:00
DEPS Update V8 DEPS. 2020-10-26 03:38:45 +00:00
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PRESUBMIT.py [presubmit] Allow use of test functions in runtime-test.cc 2020-08-10 12:12:55 +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.