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Joey Perrott 81e4257761 build: remove dev-infra directory and migrate to relying on @angular/dev-infra-private-builds (#43061) 
Remove the dev-infra directory and complete the migration to using the code generated by the
angular/dev-infra repository.

PR Close #43061
2021-08-16 10:44:27 -07:00
..
BUILD.bazel build: remove dev-infra directory and migrate to relying on @angular/dev-infra-private-builds (#43061) 2021-08-16 10:44:27 -07:00
index.html build: set default ts_devserver serving_path to /app_bundle.js to match g3 (#33996) 2019-11-26 16:09:32 -08:00
index.ts build: update license headers to reference Google LLC (#37205) 2020-05-26 14:26:58 -04:00
README.md refactor(core): add a checkIndex to the compiler view nodes 2017-10-04 14:55:54 -07:00
tree.ts build: update license headers to reference Google LLC (#37205) 2020-05-26 14:26:58 -04:00

README.md

Ng2 Next Benchmark

This benchmark uses the upcoming view engine for Angular, which moves more functionality from codegen into runtime to reduce generated code size.

As we introduce more runtime code, we need to be very careful to not regress in performance, compared to the pure codegen solution.

Initial results: size of Deep Tree Benchmark

File size for Tree benchmark template, view class of the component + the 2 embedded view classes (without imports nor host view factory):

                           | bytes | ratio | bytes (gzip) | ratio (gzip)

------------------------------ | ----- | ----- | ------------ | ------------ Source template + annotation | 245 | 1x | 159 | 1x Gen code (Closure minified) | 2693 | 11.9x | 746 | 4.7x New View Engine (minified) | 868 | 3.5x | 436 | 2.7x

Initial results: performance of Deep Tree Benchmark

Measured locally on a MacBook Pro.

BENCHMARK deepTree.... Description:

  • bundles: false
  • depth: 11
  • forceGc: false
  • regressionSlopeMetric: scriptTime
  • sampleSize: 20
  • userAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.95 Safari/537.36
...createOnly gcAmount gcTime majorGcTime pureScriptTime renderTime scriptTime
ng2 11461.24+-21% 12.35+-42% 1.15+-429% 72.49+-4% 49.61+-4% 82.69+-6%
ng2 next 6207.77+-93% 9.84+-84% 3.35+-238% 73.95+-4% 49.86+-4% 77.53+-10%
...update gcAmount gcTime majorGcTime pureScriptTime renderTime scriptTime
ng2 0.00 0.00+-435% 0.00+-435% 13.34+-8% 28.55+-8% 13.34+-8%
ng2 next 175.02+-435% 0.74+-435% 0.00+-302% 20.55+-12% 28.00+-6% 20.55+-12%
...pure cd (10x) gcAmount gcTime majorGcTime pureScriptTime renderTime scriptTime
ng2 2155.57+-238% 0.24+-238% 0.00+-238% 19.32+-9% 2.54+-6% 19.32+-9%
ng2 next 908.12+-366% 1.62+-325% 0.49+-435% 30.66+-6% 2.62+-19% 30.66+-6%