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JoostK 5d871b56c6 perf(compiler): optimize cloning cursors state (#34332) 
On a large compilation unit with big templates, the total time spent in
the `PlainCharacterCursor` constructor was 470ms. This commit applies
two optimizations to reduce this time:

1. Avoid the object spread operator within the constructor, as the
generated `__assign` helper in the emitted UMD bundle (ES5) does not
optimize well compared to a hardcoded object literal. This results in a
significant performance improvement. Because of the straight-forward
object literal, the VM is now much better able to optimize the memory
allocations which makes a significant difference as the
`PlainCharacterCursor` constructor is called in tight loops.

2. Reduce the number of `CharacterCursor` clones. Although cloning
itself is now much faster because of the optimization above, several
clone operations were not necessary.

Combined, these changes reduce the total time spent in the
`PlainCharacterCursor` constructor to just 10ms.

PR Close #34332
2019-12-12 14:06:38 -08:00
.circleci ci: update sha of components repo for components unit test integrations (#34280) 2019-12-06 11:04:21 -08:00
.devcontainer docs: add info on setting up VSCode remote development using docker containers (#33790) 2019-11-13 13:33:22 -08:00
.github ci: fix code ownership for size tracking (#34044) 2019-11-26 16:35:27 -05:00
.vscode build: migrate references and scripts that set to build with ivy via compile=aot to use config=ivy (#33983) 2019-11-26 16:38:41 -05:00
aio docs: ng-conf 2020 the musical (#34342) 2019-12-12 09:06:12 -08:00
docs build: migrate references and scripts that set to build with ivy via compile=aot to use config=ivy (#33983) 2019-11-26 16:38:41 -05:00
integration Revert "build: update integration/bazel to rules_nodejs 0.42.1" (#34360) 2019-12-11 15:58:47 -08:00
modules perf: rename index to index_aot (#34258) 2019-12-05 13:10:49 -08:00
packages perf(compiler): optimize cloning cursors state (#34332) 2019-12-12 14:06:38 -08:00
scripts ci: update sha of components repo for components unit test integrations (#34280) 2019-12-06 11:04:21 -08:00
third_party build: update to @bazel/bazel 1.0.0 (#33476) 2019-10-29 16:22:41 -07:00
tools fix(ivy): throw a better error when DI can't inject a ctor param (#33739) (#34340) 2019-12-11 08:48:10 -08:00
.bazelignore build: add integration/platform-server/node_modules to .bazelignore (#33765) 2019-11-22 16:52:09 -05:00
.bazelrc build: remove remaining internal references to define=compile flag (#33983) 2019-11-26 16:38:41 -05:00
.clang-format feat(tooling): Add a .clang-format for automated JavaScript formatting. 2015-04-02 08:44:34 -07:00
.editorconfig build: use https link to editorconfig.org in .editorconfig (#27664) 2018-12-18 09:30:09 -08:00
.gitattributes test: fix ts api guardian and public guard tests on windows (#30105) 2019-04-26 16:32:22 -07:00
.gitignore docs: add info on setting up VSCode remote development using docker containers (#33790) 2019-11-13 13:33:22 -08:00
.mailmap build: add a Git .mailmap with my new name (#19550) 2017-10-09 14:35:30 -07:00
.nvmrc build: update .nvmrc to correct node version (#33636) 2019-11-06 21:23:07 +00:00
browser-providers.conf.js ci: re-enable chrome mobile tests on android (#32447) 2019-09-03 11:58:30 -07:00
BUILD.bazel build: reference zone.js from source directly instead of npm. (#33046) 2019-11-06 00:48:34 +00:00
CHANGELOG.md release: cut the v9.0.0-rc.6 release 2019-12-11 10:52:32 -08:00
CODE_OF_CONDUCT.md docs: fix community tab in GitHub by copying CoC 2018-02-27 19:02:30 -08:00
CONTRIBUTING.md docs: add missing parenthesis (#31041) 2019-10-07 11:02:33 -07:00
gulpfile.js build: remove obsolete build related tools and helper scripts (#34058) 2019-12-02 10:57:12 -08:00
karma-js.conf.js build: reference zone.js from source directly instead of npm. (#33046) 2019-11-06 00:48:34 +00:00
LICENSE build: bump year (#27880) 2019-01-11 11:15:59 -08:00
package.json build: remove unused webpack npm dependency (#34366) 2019-12-12 13:14:02 -08:00
protractor-perf.conf.js fixup! test(ivy): make the test run with benchpress (#30449) 2019-05-16 20:04:04 -07:00
README.md docs: fix typo of Typescript to TypeScript (#32153) 2019-08-15 12:44:41 -07:00
shims_for_IE.js Revert "refactor: add license header to JS files & format files (#12035)" 2016-10-04 14:06:41 -07:00
test-events.js refactor: rename unpatched event flag in Zone from BLACK_LISTED_EVENTS to UNPATCHED_EVENTS (#29617) 2019-10-04 08:44:58 -07:00
test-main.js feat(ivy): i18n - implement compile-time inlining (#32881) 2019-10-09 13:19:38 -07:00
tslint.json style: enforce disallowance of object constructor (#33211) 2019-12-03 10:08:26 -08:00
WORKSPACE build: update to rules_nodejs 0.42.2 (#34243) 2019-12-05 10:20:32 -08:00
yarn.lock build: remove unused webpack npm dependency (#34366) 2019-12-12 13:14:02 -08:00
yarn.lock.readme.md build: remove travisci leftovers (#27979) 2019-01-09 10:41:16 -08:00

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Angular

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages.

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Changelog

Learn about the latest improvements.

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