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Andrew Kushnir 9eff8908af refactor(core): strict templates type-checking compatibility for perf tests (#44905) 
This commit updates a type used in the transplanted views perf tests, to make the test compatible with strict template type-checking.

Currently, compiling the perf test results in the following TS error:
```
error TS2322: Type 'TemplateRef<{}>' is not assignable to type 'TemplateRef<NgForOfContext<any, any[]>>'.

17     <ng-container *ngFor="let n of views; template: template; trackBy: trackByIndex"></ng-container>
                                             ~~~~~~~~
```

PR Close #44905
2022-01-31 21:39:04 +00:00
..
src refactor(core): strict templates type-checking compatibility for perf tests (#44905) 2022-01-31 21:39:04 +00:00
BUILD.bazel revert: "revert: "feat(dev-infra): exposed new rule 'component_benchmark' via dev_infra (#36434)" (#36798)" (#36800) 2020-06-03 13:12:30 -07:00
e2e_test.bzl build: remove dev-infra directory and migrate to relying on @angular/dev-infra-private-builds (#43061) 2021-08-16 10:44:27 -07:00
README.md test: ensure global options for benchmark tests can be set in bazel (#34753) 2020-01-29 09:22:27 -08:00
tsconfig-build.json build: serve benchmark tree examples with bazel (#28568) 2019-02-08 13:37:36 -08:00
tsconfig-e2e.json refactor(benchpress): added tsconfig and fixed ts errors (#35127) 2020-02-04 10:41:06 -08:00
tsconfig.json build: remove dev-infra directory and migrate to relying on @angular/dev-infra-private-builds (#43061) 2021-08-16 10:44:27 -07:00

README.md

How to run the benchmarks locally

Run in the browser

yarn bazel run modules/benchmarks/src/tree/{name}:devserver

# e.g. "ng2" tree benchmark:
yarn bazel run modules/benchmarks/src/tree/ng2:devserver

Run e2e tests

# Run e2e tests of individual applications:
yarn bazel test modules/benchmarks/src/tree/ng2/...

# Run all e2e tests:
yarn bazel test modules/benchmarks/...

Use of *_aot.ts files

The *_aot.ts files are used as entry-points within Google to run the benchmark tests. These are still built as part of the corresponding ng_module rule.

Specifying benchmark options

There are options that can be specified in order to control how a given benchmark target runs. The following options can be set through test environment variables:

  • PERF_SAMPLE_SIZE: Benchpress performs measurements until scriptTime predictively no longer decreases. It does this by using a simple linear regression with the amount of samples specified. Defaults to 20 samples.
  • PERF_FORCE_GC: If set to true, @angular/benchpress will run run the garbage collector before and after performing measurements. Benchpress will measure and report the garbage collection time.
  • PERF_DRYRUN: If set to true, no results are printed and stored in a json file. Also benchpress only performs a single measurement (unlike with the simple linear regression).

Here is an example command that sets the PERF_DRYRUN option:

yarn bazel test modules/benchmarks/src/tree/baseline:perf --test_env=PERF_DRYRUN=true