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refactor(core): tweek micro-benchmarks to make them more consistent (#33207) 

```
┌────────────────────────────────────┬─────────┬──────┬───────────┬───────────┬───────┐
│              (index)               │  time   │ unit │ base_time │ base_unit │   %   │
├────────────────────────────────────┼─────────┼──────┼───────────┼───────────┼───────┤
│       directive_instantiate        │  2.474  │ 'us' │   2.507   │   'us'    │ -1.32 │
│        element_text_create         │  1.313  │ 'us' │   1.319   │   'us'    │ -0.45 │
│           interpolation            │ 220.17  │ 'us' │  224.217  │   'us'    │ -1.8  │
│             listeners              │  1.988  │ 'us' │   2.021   │   'us'    │ -1.63 │
│ map_based_style_and_class_bindings │ 17.908  │ 'ms' │  18.523   │   'ms'    │ -3.32 │
│       noop_change_detection        │ 24.851  │ 'us' │  24.874   │   'us'    │ -0.09 │
│          property_binding          │ 218.76  │ 'us' │  216.736  │   'us'    │ 0.93  │
│      property_binding_update       │ 443.175 │ 'us' │  447.686  │   'us'    │ -1.01 │
│      style_and_class_bindings      │  1.053  │ 'ms' │   1.069   │   'ms'    │ -1.5  │
│           style_binding            │ 488.154 │ 'us' │  484.092  │   'us'    │ 0.84  │
└────────────────────────────────────┴─────────┴──────┴───────────┴───────────┴───────┘
```

PR Close #33207
This commit is contained in:
Miško Hevery 2019-10-16 13:37:00 -07:00 committed by Matias Niemelä
parent cc7c2a81df
commit 4800fa1c08
4 changed files with 12 additions and 12 deletions
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9
packages/core/test/render3/perf/README.md
View File

@ -1,19 +1,19 @@
### Build ### Build
``` ```
yarn bazel build //packages/core/test/render3/perf:{name}.min_debug.es2015.js --define=compile=aot yarn bazel build //packages/core/test/render3/perf:${BENCHMARK}.min_debug.es2015.js --define=compile=aot
``` ```
### Run ### Run
``` ```
node dist/bin/packages/core/test/render3/perf/{name}.min_debug.es2015.js node dist/bin/packages/core/test/render3/perf/${BENCHMARK}.min_debug.es2015.js
``` ```
### Profile ### Profile
``` ```
node --no-turbo-inlining --inspect-brk dist/bin/packages/core/test/render3/perf/{name}.min_debug.es2015.js node --no-turbo-inlining --inspect-brk dist/bin/packages/core/test/render3/perf/${BENCHMARK}.min_debug.es2015.js
``` ```
then connect with a debugger (the `--inspect-brk` option will make sure that benchmark execution doesn't start until a debugger is connected and the code execution is manually resumed). then connect with a debugger (the `--inspect-brk` option will make sure that benchmark execution doesn't start until a debugger is connected and the code execution is manually resumed).
@ -64,7 +64,8 @@ The resulting output should look something like this:
### Notes ### Notes
In all the above commands {name} should be replaced with the actual benchmark (folder) name, ex.: In all the above commands `${BENCHMARK}` should be replaced with the actual benchmark (folder) name, ex.:
- build: `yarn bazel build //packages/core/test/render3/perf:noop_change_detection.min_debug.es2015.js --define=compile=aot` - build: `yarn bazel build //packages/core/test/render3/perf:noop_change_detection.min_debug.es2015.js --define=compile=aot`
- run: `time node dist/bin/packages/core/test/render3/perf/noop_change_detection.min_debug.es2015.js` - run: `time node dist/bin/packages/core/test/render3/perf/noop_change_detection.min_debug.es2015.js`
- profile: `node --no-turbo-inlining --inspect-brk dist/bin/packages/core/test/render3/perf/noop_change_detection.min_debug.es2015.js profile` - profile: `node --no-turbo-inlining --inspect-brk dist/bin/packages/core/test/render3/perf/noop_change_detection.min_debug.es2015.js profile`
- experimenting `BENCHMARK=noop_change_detection; yarn bazel build //packages/core/test/render3/perf:${BENCHMARK}.min_debug.es2015.js --define=compile=aot && node dist/bin/packages/core/test/render3/perf/${BENCHMARK}.min_debug.es2015.js`

4
packages/core/test/render3/perf/directive_instantiate/index.ts
View File

@ -90,9 +90,7 @@ const createTime = directiveInstantiate('create');
console.profile('directive_instantiate'); console.profile('directive_instantiate');
while (createTime()) { while (createTime()) {
for (let i = 0; i < 50000; i++) { createAndRenderLView(null, embeddedTView, viewTNode);
createAndRenderLView(null, embeddedTView, viewTNode);
}
} }
console.profileEnd(); console.profileEnd();

4
packages/core/test/render3/perf/element_text_create/index.ts
View File

@ -81,9 +81,7 @@ const createTime = elementTextCreate('create');
console.profile('element_text_create'); console.profile('element_text_create');
while (createTime()) { while (createTime()) {
for (let i = 0; i < 100000; i++) { createAndRenderLView(null, embeddedTView, viewTNode);
createAndRenderLView(null, embeddedTView, viewTNode);
}
} }
console.profileEnd(); console.profileEnd();

7
packages/core/test/render3/perf/micro_bench.ts
View File

@ -7,8 +7,11 @@
*/ */
const performance = require('perf_hooks').performance; const performance = require('perf_hooks').performance;
const MIN_SAMPLE_COUNT_NO_IMPROVEMENT = 30; // Higher number here makes it more likely that we are more sure of the result.
const MIN_SAMPLE_DURATION = 100; const MIN_SAMPLE_COUNT_NO_IMPROVEMENT = 100;
// A smaller number here means that we are coming too close on timer resultion, but it also means
// that it is less likely that we will be bothered by GC or preemptive multi tasking.
const MIN_SAMPLE_DURATION = 10;
const UNITS = ['ms', 'us', 'ns', 'ps']; const UNITS = ['ms', 'us', 'ns', 'ps'];
export interface Benchmark { export interface Benchmark {