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Alexander Markov d78abd0a69 [vm/aot/tfa] Cache negative results of dispatch target lookup 
When looking for a dispatch target, also cache not found selectors
to avoid repeated lookups.

Improves time of AOT compilation step 2 (TFA) on a large
Flutter application 189s -> 171s (-9.5%).

TEST=ci

Issue: https://github.com/dart-lang/sdk/issues/42442
Change-Id: I21686e1f40a09ef62abf010bfa3670615c108942
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/214342
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2021-09-24 16:27:45 +00:00
.dart_tool Add dependency to yaml_edit and bump pub revision 2021-09-24 08:36:24 +00:00
.github
benchmarks [benchmark] Fix import statement in dart2/EventLoopLatencyRegexp benchmark. 2021-08-24 15:54:14 +00:00
build Remove fuchsia.net.NameLookup 2021-09-01 17:28:07 +00:00
client
docs master branch to main 2021-09-15 06:22:23 +00:00
pkg [vm/aot/tfa] Cache negative results of dispatch target lookup 2021-09-24 16:27:45 +00:00
runtime [vm/ffi] Privatizes dart:nativewrappers' getNativeField(..) 2021-09-24 13:13:55 +00:00
samples [vm] Remove support for dart-ext: imports 2021-09-02 14:14:35 +00:00
samples-dev/swarm
samples_2 [vm] Remove support for dart-ext: imports 2021-09-02 14:14:35 +00:00
sdk [vm/ffi] Privatizes dart:nativewrappers' getNativeField(..) 2021-09-24 13:13:55 +00:00
tests [gardening] Remove dead print and instead print exception with failure message 2021-09-24 14:07:16 +00:00
third_party rev the build of devtools; add a 'dart devtools' command 2021-08-20 16:25:24 +00:00
tools dart:html: use Object.hash 2021-09-22 20:47:17 +00:00
utils Deprecate top level pub. 2021-08-24 08:34:58 +00:00
.clang-format
.gitattributes
.gitconfig
.gitignore
.gn
.mailmap
.packages Drop http_throttle from .packages 2021-08-26 21:16:46 +00:00
.style.yapf
.vpython
AUTHORS
BUILD.gn [vm] Remove support for dart-ext: imports 2021-09-02 14:14:35 +00:00
CHANGELOG.md Add extension name getter on Enum. 2021-09-22 14:20:16 +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 yaml_edit revision 2021-09-24 13:04:24 +00:00
LICENSE
PATENT_GRANT
PRESUBMIT.py [parser] Set 'recovered' in more cases 2021-09-10 08:18:17 +00:00
README.dart-sdk
README.md master => main 2021-09-10 08:02:49 +00:00
sdk_args.gni
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.