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perf(ext/event): always set timeStamp to 0 #20191

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merged 4 commits into from Aug 20, 2023
Merged

perf(ext/event): always set timeStamp to 0 #20191

merged 4 commits into from Aug 20, 2023

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bartlomieju
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@bartlomieju bartlomieju commented Aug 17, 2023 •
edited 

Deno.bench(function eventNew() {
  new Event("foo");
});

main

./target/release/deno bench event_bench.js
cpu: Apple M1 Max
runtime: deno 1.36.1 (aarch64-apple-darwin)

file:///Users/ib/dev/deno/event_bench.js
benchmark      time (avg)        iter/s             (min … max)       p75       p99      p995
--------------------------------------------------------------- -----------------------------
eventNew       36.43 ns/iter  27,451,874.9   (35.15 ns … 46.98 ns)  37.68 ns   40.7 ns  41.69 ns

this PR

./target/release/deno bench event_bench.js
cpu: Apple M1 Max
runtime: deno 1.36.1 (aarch64-apple-darwin)

file:///Users/ib/dev/deno/event_bench.js
benchmark      time (avg)        iter/s             (min … max)       p75       p99      p995
--------------------------------------------------------------- -----------------------------
eventNew       13.71 ns/iter  72,958,970.0   (12.85 ns … 31.79 ns)  15.11 ns  16.49 ns   17.5 ns

Towards #20167

@littledivy
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We can remove [_skipInternalInit] option from Event constructor, if we always set timestamp to 0.

lucacasonato
lucacasonato approved these changes Aug 18, 2023
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LGTM 👍, please document in https://deno.land/manual@v1.36.1/runtime/web_platform_apis#spec-deviations-1

@bartlomieju
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Opened denoland/manual#718

@bartlomieju bartlomieju enabled auto-merge (squash) August 20, 2023 09:34
@bartlomieju bartlomieju merged commit 32bbba3 into denoland:main Aug 20, 2023
13 checks passed
@bartlomieju bartlomieju deleted the event_timestamp branch August 20, 2023 10:06
littledivy pushed a commit to littledivy/deno that referenced this pull request Aug 21, 2023
@bartlomieju @littledivy
perf(ext/event): always set timeStamp to 0 (denoland#20191)
159913b 
```js
Deno.bench(function eventNew() {
  new Event("foo");
});
```

<b>main</b>
```
./target/release/deno bench event_bench.js
cpu: Apple M1 Max
runtime: deno 1.36.1 (aarch64-apple-darwin)

file:///Users/ib/dev/deno/event_bench.js
benchmark      time (avg)        iter/s             (min … max)       p75       p99      p995
--------------------------------------------------------------- -----------------------------
eventNew       36.43 ns/iter  27,451,874.9   (35.15 ns … 46.98 ns)  37.68 ns   40.7 ns  41.69 ns

```

<b>this PR</b>
```
./target/release/deno bench event_bench.js
cpu: Apple M1 Max
runtime: deno 1.36.1 (aarch64-apple-darwin)

file:///Users/ib/dev/deno/event_bench.js
benchmark      time (avg)        iter/s             (min … max)       p75       p99      p995
--------------------------------------------------------------- -----------------------------
eventNew       13.71 ns/iter  72,958,970.0   (12.85 ns … 31.79 ns)  15.11 ns  16.49 ns   17.5 ns

```

Towards denoland#20167
littledivy pushed a commit that referenced this pull request Aug 21, 2023
@bartlomieju @littledivy
perf(ext/event): always set timeStamp to 0 (#20191)
698776f 
```js
Deno.bench(function eventNew() {
  new Event("foo");
});
```

<b>main</b>
```
./target/release/deno bench event_bench.js
cpu: Apple M1 Max
runtime: deno 1.36.1 (aarch64-apple-darwin)

file:///Users/ib/dev/deno/event_bench.js
benchmark      time (avg)        iter/s             (min … max)       p75       p99      p995
--------------------------------------------------------------- -----------------------------
eventNew       36.43 ns/iter  27,451,874.9   (35.15 ns … 46.98 ns)  37.68 ns   40.7 ns  41.69 ns

```

<b>this PR</b>
```
./target/release/deno bench event_bench.js
cpu: Apple M1 Max
runtime: deno 1.36.1 (aarch64-apple-darwin)

file:///Users/ib/dev/deno/event_bench.js
benchmark      time (avg)        iter/s             (min … max)       p75       p99      p995
--------------------------------------------------------------- -----------------------------
eventNew       13.71 ns/iter  72,958,970.0   (12.85 ns … 31.79 ns)  15.11 ns  16.49 ns   17.5 ns

```

Towards #20167
This was referenced Apr 20, 2024
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@bartlomieju @littledivy @lucacasonato