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fix: use a virtual clock instead of Date.now() for event dispatch times #4322

Merged
merged 1 commit into from
Mar 23, 2024
Merged

fix: use a virtual clock instead of Date.now() for event dispatch times #4322

merged 1 commit into from
Mar 23, 2024

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jviide
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@jviide jviide commented Mar 23, 2024 •
edited by JoviDeCroock
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This is an alternative solution for issue #4161. It takes the general idea of #4232, but modifies the logic with an extra trick: odd counter values are reserved for e._dispatched and even values for value._attached. This way we can tell whether an event was dispatched between two handler attachments, and vice versa. This in turn allows incrementing the counter only when needed without scheduling a microtask for it.

Fixes #4161.

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github-actions bot commented Mar 23, 2024 •
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📊 Tachometer Benchmark Results

Summary

duration

  • 02_replace1k: unsure 🔍 -1% - +3% (-0.47ms - +2.27ms)
    preact-local vs preact-main
  • 03_update10th1k_x16: unsure 🔍 -3% - +5% (-0.85ms - +1.38ms)
    preact-local vs preact-main
  • 07_create10k: unsure 🔍 -1% - +1% (-4.55ms - +10.25ms)
    preact-local vs preact-main
  • filter_list: unsure 🔍 -0% - +0% (-0.06ms - +0.04ms)
    preact-local vs preact-main
  • hydrate1k: unsure 🔍 -2% - +1% (-1.73ms - +1.23ms)
    preact-local vs preact-main
  • many_updates: unsure 🔍 -4% - +2% (-0.69ms - +0.26ms)
    preact-local vs preact-main
  • text_update: unsure 🔍 -2% - +3% (-0.04ms - +0.07ms)
    preact-local vs preact-main
  • todo: faster ✔ 0% - 2% (0.11ms - 0.54ms)
    preact-local vs preact-main

usedJSHeapSize

  • 02_replace1k: faster ✔ 0% - 1% (0.01ms - 0.02ms)
    preact-local vs preact-main
  • 03_update10th1k_x16: faster ✔ 1% - 1% (0.02ms - 0.03ms)
    preact-local vs preact-main
  • 07_create10k: faster ✔ 1% - 1% (0.24ms - 0.24ms)
    preact-local vs preact-main
  • filter_list: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
    preact-local vs preact-main
  • hydrate1k: faster ✔ 1% - 1% (0.05ms - 0.05ms)
    preact-local vs preact-main
  • many_updates: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
    preact-local vs preact-main
  • text_update: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
    preact-local vs preact-main
  • todo: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
    preact-local vs preact-main

Results

02_replace1k

duration

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main73.89ms - 75.36ms-unsure 🔍
-3% - +1%
-2.27ms - +0.47ms		unsure 🔍
-2% - +0%
-1.74ms - +0.34ms
preact-local74.37ms - 76.68msunsure 🔍
-1% - +3%
-0.47ms - +2.27ms		-unsure 🔍
-2% - +2%
-1.17ms - +1.57ms
preact-hooks74.59ms - 76.06msunsure 🔍
-0% - +2%
-0.34ms - +1.74ms		unsure 🔍
-2% - +2%
-1.57ms - +1.17ms		-

usedJSHeapSize

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main3.40ms - 3.41ms-slower ❌
0% - 1%
0.01ms - 0.02ms		unsure 🔍
-0% - +0%
-0.00ms - +0.00ms
preact-local3.38ms - 3.39msfaster ✔
0% - 1%
0.01ms - 0.02ms		-faster ✔
0% - 1%
0.01ms - 0.02ms
preact-hooks3.40ms - 3.41msunsure 🔍
-0% - +0%
-0.00ms - +0.00ms		slower ❌
0% - 1%
0.01ms - 0.02ms		-

run-warmup-0

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main29.44ms - 30.11ms-unsure 🔍
-1% - +3%
-0.18ms - +0.74ms		unsure 🔍
-3% - +0%
-0.90ms - +0.14ms
preact-local29.19ms - 29.82msunsure 🔍
-2% - +1%
-0.74ms - +0.18ms		-faster ✔
1% - 4%
0.15ms - 1.16ms
preact-hooks29.76ms - 30.55msunsure 🔍
-0% - +3%
-0.14ms - +0.90ms		slower ❌
0% - 4%
0.15ms - 1.16ms		-

run-warmup-1

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main39.64ms - 41.04ms-unsure 🔍
-1% - +4%
-0.55ms - +1.57ms		unsure 🔍
-2% - +2%
-0.90ms - +0.80ms
preact-local39.04ms - 40.63msunsure 🔍
-4% - +1%
-1.57ms - +0.55ms		-unsure 🔍
-4% - +1%
-1.48ms - +0.37ms
preact-hooks39.92ms - 40.86msunsure 🔍
-2% - +2%
-0.80ms - +0.90ms		unsure 🔍
-1% - +4%
-0.37ms - +1.48ms		-

run-warmup-2

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main26.32ms - 26.71ms-unsure 🔍
-0% - +2%
-0.03ms - +0.52ms		unsure 🔍
-1% - +2%
-0.18ms - +0.46ms
preact-local26.07ms - 26.46msunsure 🔍
-2% - +0%
-0.52ms - +0.03ms		-unsure 🔍
-2% - +1%
-0.43ms - +0.21ms
preact-hooks26.12ms - 26.63msunsure 🔍
-2% - +1%
-0.46ms - +0.18ms		unsure 🔍
-1% - +2%
-0.21ms - +0.43ms		-

run-warmup-3

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main24.93ms - 26.01ms-unsure 🔍
-1% - +5%
-0.34ms - +1.19ms		unsure 🔍
-1% - +6%
-0.12ms - +1.51ms
preact-local24.51ms - 25.58msunsure 🔍
-5% - +1%
-1.19ms - +0.34ms		-unsure 🔍
-2% - +4%
-0.54ms - +1.08ms
preact-hooks24.17ms - 25.38msunsure 🔍
-6% - +0%
-1.51ms - +0.12ms		unsure 🔍
-4% - +2%
-1.08ms - +0.54ms		-

run-warmup-4

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main27.26ms - 28.98ms-slower ❌
6% - 15%
1.62ms - 3.67ms		unsure 🔍
-0% - +8%
-0.09ms - +2.04ms
preact-local24.92ms - 26.02msfaster ✔
6% - 13%
1.62ms - 3.67ms		-faster ✔
3% - 9%
0.84ms - 2.51ms
preact-hooks26.52ms - 27.78msunsure 🔍
-7% - +0%
-2.04ms - +0.09ms		slower ❌
3% - 10%
0.84ms - 2.51ms		-

run-final

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main22.80ms - 23.40ms-unsure 🔍
-2% - +3%
-0.35ms - +0.63ms		faster ✔
2% - 6%
0.52ms - 1.55ms
preact-local22.57ms - 23.34msunsure 🔍
-3% - +2%
-0.63ms - +0.35ms		-faster ✔
3% - 7%
0.60ms - 1.75ms
preact-hooks23.71ms - 24.56msslower ❌
2% - 7%
0.52ms - 1.55ms		slower ❌
3% - 8%
0.60ms - 1.75ms		-
03_update10th1k_x16

duration

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main29.74ms - 31.22ms-unsure 🔍
-4% - +3%
-1.38ms - +0.85ms		faster ✔
1% - 8%
0.18ms - 2.46ms
preact-local29.91ms - 31.58msunsure 🔍
-3% - +5%
-0.85ms - +1.38ms		-unsure 🔍
-7% - +0%
-2.26ms - +0.15ms
preact-hooks30.93ms - 32.66msslower ❌
1% - 8%
0.18ms - 2.46ms		unsure 🔍
-1% - +7%
-0.15ms - +2.26ms		-

usedJSHeapSize

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main3.36ms - 3.37ms-slower ❌
1% - 1%
0.02ms - 0.03ms		unsure 🔍
-0% - +0%
-0.01ms - +0.00ms
preact-local3.34ms - 3.35msfaster ✔
1% - 1%
0.02ms - 0.03ms		-faster ✔
1% - 1%
0.02ms - 0.03ms
preact-hooks3.36ms - 3.37msunsure 🔍
-0% - +0%
-0.00ms - +0.01ms		slower ❌
1% - 1%
0.02ms - 0.03ms		-
07_create10k

duration

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main895.63ms - 902.89ms-unsure 🔍
-1% - +1%
-10.25ms - +4.55ms		unsure 🔍
-1% - +0%
-5.37ms - +3.74ms
preact-local895.67ms - 908.55msunsure 🔍
-1% - +1%
-4.55ms - +10.25ms		-unsure 🔍
-1% - +1%
-4.97ms - +9.04ms
preact-hooks897.32ms - 902.83msunsure 🔍
-0% - +1%
-3.74ms - +5.37ms		unsure 🔍
-1% - +1%
-9.04ms - +4.97ms		-

usedJSHeapSize

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main26.40ms - 26.40ms-slower ❌
1% - 1%
0.24ms - 0.24ms		slower ❌
1% - 1%
0.22ms - 0.22ms
preact-local26.16ms - 26.16msfaster ✔
1% - 1%
0.24ms - 0.24ms		-unsure 🔍
-0% - -0%
-0.02ms - -0.02ms
preact-hooks26.18ms - 26.18msfaster ✔
1% - 1%
0.22ms - 0.22ms		unsure 🔍
+0% - +0%
+0.02ms - +0.02ms		-
filter_list

duration

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main16.56ms - 16.65ms-unsure 🔍
-0% - +0%
-0.04ms - +0.06ms		unsure 🔍
-2% - +1%
-0.39ms - +0.18ms
preact-local16.57ms - 16.62msunsure 🔍
-0% - +0%
-0.06ms - +0.04ms		-unsure 🔍
-2% - +1%
-0.39ms - +0.17ms
preact-hooks16.43ms - 16.99msunsure 🔍
-1% - +2%
-0.18ms - +0.39ms		unsure 🔍
-1% - +2%
-0.17ms - +0.39ms		-

usedJSHeapSize

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main1.42ms - 1.42ms-unsure 🔍
-0% - +0%
-0.00ms - +0.00ms		faster ✔
2% - 2%
0.02ms - 0.03ms
preact-local1.42ms - 1.42msunsure 🔍
-0% - +0%
-0.00ms - +0.00ms		-faster ✔
2% - 2%
0.02ms - 0.03ms
preact-hooks1.44ms - 1.45msslower ❌
2% - 2%
0.02ms - 0.03ms		slower ❌
2% - 2%
0.02ms - 0.03ms		-
hydrate1k

duration

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main83.50ms - 85.72ms-unsure 🔍
-1% - +2%
-1.23ms - +1.73ms		unsure 🔍
-2% - +2%
-1.51ms - +1.41ms
preact-local83.38ms - 85.34msunsure 🔍
-2% - +1%
-1.73ms - +1.23ms		-unsure 🔍
-2% - +1%
-1.66ms - +1.06ms
preact-hooks83.71ms - 85.61msunsure 🔍
-2% - +2%
-1.41ms - +1.51ms		unsure 🔍
-1% - +2%
-1.06ms - +1.66ms		-

usedJSHeapSize

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main6.10ms - 6.10ms-slower ❌
1% - 1%
0.05ms - 0.05ms		unsure 🔍
+0% - +0%
+0.03ms - +0.03ms
preact-local6.05ms - 6.05msfaster ✔
1% - 1%
0.05ms - 0.05ms		-unsure 🔍
-0% - -0%
-0.03ms - -0.02ms
preact-hooks6.07ms - 6.07msunsure 🔍
-0% - -0%
-0.03ms - -0.03ms		unsure 🔍
+0% - +0%
+0.02ms - +0.03ms		-
many_updates

duration

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main16.54ms - 17.30ms-unsure 🔍
-2% - +4%
-0.26ms - +0.69ms		unsure 🔍
-3% - +4%
-0.55ms - +0.66ms
preact-local16.42ms - 16.99msunsure 🔍
-4% - +2%
-0.69ms - +0.26ms		-unsure 🔍
-4% - +2%
-0.71ms - +0.39ms
preact-hooks16.39ms - 17.33msunsure 🔍
-4% - +3%
-0.66ms - +0.55ms		unsure 🔍
-2% - +4%
-0.39ms - +0.71ms		-

usedJSHeapSize

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main4.52ms - 4.52ms-unsure 🔍
-0% - +0%
-0.00ms - +0.00ms		faster ✔
0% - 1%
0.02ms - 0.02ms
preact-local4.52ms - 4.52msunsure 🔍
-0% - +0%
-0.00ms - +0.00ms		-faster ✔
0% - 1%
0.02ms - 0.02ms
preact-hooks4.54ms - 4.54msslower ❌
0% - 1%
0.02ms - 0.02ms		slower ❌
0% - 1%
0.02ms - 0.02ms		-
text_update

duration

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main2.46ms - 2.54ms-unsure 🔍
-3% - +2%
-0.07ms - +0.04ms		faster ✔
5% - 9%
0.14ms - 0.25ms
preact-local2.47ms - 2.55msunsure 🔍
-2% - +3%
-0.04ms - +0.07ms		-faster ✔
5% - 9%
0.12ms - 0.24ms
preact-hooks2.65ms - 2.73msslower ❌
5% - 10%
0.14ms - 0.25ms		slower ❌
5% - 9%
0.12ms - 0.24ms		-

usedJSHeapSize

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main0.80ms - 0.80ms-unsure 🔍
-0% - +0%
-0.00ms - +0.00ms		faster ✔
3% - 3%
0.02ms - 0.03ms
preact-local0.80ms - 0.80msunsure 🔍
-0% - +0%
-0.00ms - +0.00ms		-faster ✔
3% - 3%
0.02ms - 0.03ms
preact-hooks0.83ms - 0.83msslower ❌
3% - 3%
0.02ms - 0.03ms		slower ❌
3% - 3%
0.02ms - 0.03ms		-
todo

duration

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main27.39ms - 27.76ms-slower ❌
0% - 2%
0.11ms - 0.54ms		faster ✔
2% - 3%
0.50ms - 0.93ms
preact-local27.15ms - 27.36msfaster ✔
0% - 2%
0.11ms - 0.54ms		-faster ✔
3% - 4%
0.88ms - 1.19ms
preact-hooks28.18ms - 28.40msslower ❌
2% - 3%
0.50ms - 0.93ms		slower ❌
3% - 4%
0.88ms - 1.19ms		-

usedJSHeapSize

VersionAvg timevs preact-mainvs preact-localvs preact-hooks
preact-main0.88ms - 0.88ms-unsure 🔍
-0% - +0%
-0.00ms - +0.00ms		faster ✔
3% - 3%
0.03ms - 0.03ms
preact-local0.88ms - 0.88msunsure 🔍
-0% - +0%
-0.00ms - +0.00ms		-faster ✔
3% - 3%
0.03ms - 0.03ms
preact-hooks0.91ms - 0.91msslower ❌
3% - 3%
0.03ms - 0.03ms		slower ❌
3% - 3%
0.03ms - 0.03ms		-

tachometer-reporter-action v2 for Benchmarks

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coveralls commented Mar 23, 2024 •
edited
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Coverage Status

coverage: 99.469% (-0.1%) from 99.601%
when pulling 0a2ae29 on jviide:event-clock
into bc7c551 on preactjs:main.

JoviDeCroock
JoviDeCroock approved these changes Mar 23, 2024
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Checked both issues

Which works correctly

@JoviDeCroock JoviDeCroock merged commit b1d1b87 into preactjs:main Mar 23, 2024
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@jviide
refactor: simplify the logic introduced in #4322 (#4324)
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Event bubbling can break in test conditions
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