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Ryan Macnak 60d2df4a42 [vm, gc] Consider external memory when deciding whether an idle scavenge is worthwhile. 
Otherwise a heap can accumulate just under 128MB (4 * max new-space capacity) worth of new-space external data without triggering a GC.

TEST=--verbose-gc
Change-Id: Ifaa5e4ea9277f1f4a09b722897b508a192c3297f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/215142
Reviewed-by: Siva Annamalai <asiva@google.com>
Reviewed-by: Liam Appelbe <liama@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2021-10-18 18:32:43 +00:00
.dart_tool dart2js_info: enable and fix lints, validate analysis on CI 2021-10-17 06:25:00 +00:00
.github "dartfmt" -> "dart format" in issue template. 2021-05-19 00:39:43 +00:00
benchmarks Remove dartfmt from SDK artifact size benchmark. 2021-10-01 15:45:53 +00:00
build [build] Make app snapshot build failures copy/pastable. 2021-10-14 11:51:32 +00:00
client
docs master branch to main 2021-09-15 06:22:23 +00:00
pkg Remove unnecessary declaration names from error codes. 2021-10-18 18:26:04 +00:00
runtime [vm, gc] Consider external memory when deciding whether an idle scavenge is worthwhile. 2021-10-18 18:32:43 +00:00
samples [vm] Remove support for dart-ext: imports 2021-09-02 14:14:35 +00:00
samples-dev/swarm [infra] Migrate scripts to python3 2021-04-15 10:10:20 +00:00
samples_2 [vm] Remove support for dart-ext: imports 2021-09-02 14:14:35 +00:00
sdk [vm/ffi] Add Bool 2021-10-18 10:44:11 +00:00
tests Adjust language{,_2}/regress/regress31596_covariant_declaration_test 2021-10-18 15:58:09 +00:00
third_party rev the build of devtools; add a 'dart devtools' command 2021-08-20 16:25:24 +00:00
tools [core libs] add the ability to have sample assumptions when validating the api docs 2021-10-18 16:11:48 +00:00
utils [dart2js] Rename platform files. 2021-10-15 21:40:08 +00:00
.clang-format
.gitattributes [web] rename suite dart2js -> web. 2021-02-04 23:11:32 +00:00
.gitconfig
.gitignore [vm] Remove traces of LLVM backend 2021-03-09 20:37:20 +00:00
.gn [infra] Migrate scripts to python3 2021-04-15 10:10:20 +00:00
.mailmap
.packages Remove pkg:resource from .packages 2021-10-08 21:01:38 +00:00
.style.yapf
.vpython
AUTHORS [runtime/vm] ARM64: Support unaligned memory accesses for regex. 2019-10-15 20:11:40 +00:00
BUILD.gn [build] Add support for building for Fuchsia from Mac. 2021-10-13 21:14:56 +00:00
CHANGELOG.md Revert "Re-land "Add a generic return type for js_util functions"" 2021-10-15 03:40:28 +00:00
codereview.settings [infra] Default presubmits to use python3 2021-08-24 08:20:47 +00:00
CONTRIBUTING.md master branch to main 2021-09-15 06:22:23 +00:00
DEPS Bump pub to 35681b0126a1fb48bf2062dd09f74296715402c2 2021-10-15 09:51:33 +00:00
LICENSE Update LICENSE 2021-04-08 07:57:10 +00:00
PATENT_GRANT Rename patent file 2019-08-16 12:03:17 +00:00
PRESUBMIT.py Remove references to dartfmt in various comments and docs. 2021-10-01 00:56:14 +00:00
README.dart-sdk Update readme 2021-10-05 13:46:41 +00:00
README.md master => main 2021-09-10 08:02:49 +00:00
sdk_args.gni Allow configuring the destination of the SDK in the build output directory 2021-06-29 18:45:29 +00:00
SECURITY.md Add a security policy for the Dart SDK 2021-10-01 13:01:31 +00:00
WATCHLISTS [dart2js] More shared_messages.dart cleanup 2021-09-22 19:20:54 +00:00

README.md

Dart

A client-optimized language for fast apps on any platform

Dart is:

  • Optimized for UI: Develop with a programming language specialized around the needs of user interface creation.

  • Productive: Make changes iteratively: use hot reload to see the result instantly in your running app.

  • Fast on all platforms: Compile to ARM & x64 machine code for mobile, desktop, and backend. Or compile to JavaScript for the web.

Dart's flexible compiler technology lets you run Dart code in different ways, depending on your target platform and goals:

  • Dart Native: For programs targeting devices (mobile, desktop, server, and more), Dart Native includes both a Dart VM with JIT (just-in-time) compilation and an AOT (ahead-of-time) compiler for producing machine code.

  • Dart Web: For programs targeting the web, Dart Web includes both a development time compiler (dartdevc) and a production time compiler (dart2js).

Dart platforms illustration

License & patents

Dart is free and open source.

See LICENSE and PATENT_GRANT.

Using Dart

Visit dart.dev to learn more about the language, tools, and to find codelabs.

Browse pub.dev for more packages and libraries contributed by the community and the Dart team.

Our API reference documentation is published at api.dart.dev, based on the stable release. (We also publish docs from our beta and dev channels, as well as from the primary development branch).

Building Dart

If you want to build Dart yourself, here is a guide to getting the source, preparing your machine to build the SDK, and building.

There are more documents on our wiki.

Contributing to Dart

The easiest way to contribute to Dart is to file issues.

You can also contribute patches, as described in Contributing.