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Improve performance and reduce memory allocation #4521

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merged 1 commit into from
Oct 3, 2024

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JoviDeCroock
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@JoviDeCroock JoviDeCroock commented Oct 2, 2024

As @developit found out, delete x is much faster nowadays.

  • in jsx we delete the ref and always keep the props object, no cloning
    • Can leave this one out if we feel skeptical, would love to go for the forwardRef changes though
  • in forwardRef we delete and re-apply the ref to the props object to avoid cloning
  • in forwardRef we add a bail case where we keep props when no ref is passed to us

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github-actions bot commented Oct 2, 2024

📊 Tachometer Benchmark Results

Summary

duration

  • create10k: slower ❌ 0% - 1% (0.34ms - 10.18ms)
    preact-local vs preact-main
  • filter-list: unsure 🔍 -2% - +1% (-0.37ms - +0.15ms)
    preact-local vs preact-main
  • hydrate1k: unsure 🔍 -1% - +2% (-0.39ms - +1.40ms)
    preact-local vs preact-main
  • many-updates: unsure 🔍 -1% - +2% (-0.23ms - +0.41ms)
    preact-local vs preact-main
  • replace1k: unsure 🔍 -2% - +1% (-1.76ms - +0.71ms)
    preact-local vs preact-main
  • text-update: unsure 🔍 -1% - +5% (-0.03ms - +0.09ms)
    preact-local vs preact-main
  • todo: unsure 🔍 -1% - +0% (-0.36ms - +0.16ms)
    preact-local vs preact-main
  • update10th1k: unsure 🔍 -3% - +2% (-1.08ms - +0.74ms)
    preact-local vs preact-main

usedJSHeapSize

  • create10k: unsure 🔍 -0% - +0% (-0.04ms - +0.01ms)
    preact-local vs preact-main
  • filter-list: unsure 🔍 -2% - +1% (-0.03ms - +0.01ms)
    preact-local vs preact-main
  • hydrate1k: unsure 🔍 -2% - +2% (-0.23ms - +0.33ms)
    preact-local vs preact-main
  • many-updates: unsure 🔍 -1% - +0% (-0.02ms - +0.01ms)
    preact-local vs preact-main
  • replace1k: unsure 🔍 -1% - +0% (-0.02ms - +0.01ms)
    preact-local vs preact-main
  • text-update: unsure 🔍 +0% - +0% (+0.00ms - +0.00ms)
    preact-local vs preact-main
  • todo: unsure 🔍 -2% - +1% (-0.02ms - +0.01ms)
    preact-local vs preact-main
  • update10th1k: unsure 🔍 -1% - +0% (-0.02ms - +0.01ms)
    preact-local vs preact-main

Results

create10k

duration

VersionAvg timevs preact-localvs preact-main
preact-local966.99ms - 976.17ms-slower ❌
0% - 1%
0.34ms - 10.18ms
preact-main964.56ms - 968.08msfaster ✔
0% - 1%
0.34ms - 10.18ms
-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local25.37ms - 25.40ms-unsure 🔍
-0% - +0%
-0.04ms - +0.01ms
preact-main25.38ms - 25.42msunsure 🔍
-0% - +0%
-0.01ms - +0.04ms
-
filter-list

duration

VersionAvg timevs preact-localvs preact-main
preact-local16.56ms - 16.61ms-unsure 🔍
-2% - +1%
-0.37ms - +0.15ms
preact-main16.43ms - 16.96msunsure 🔍
-1% - +2%
-0.15ms - +0.37ms
-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local1.67ms - 1.69ms-unsure 🔍
-2% - +1%
-0.03ms - +0.01ms
preact-main1.67ms - 1.71msunsure 🔍
-1% - +2%
-0.01ms - +0.03ms
-
hydrate1k

duration

VersionAvg timevs preact-localvs preact-main
preact-local75.86ms - 77.11ms-unsure 🔍
-1% - +2%
-0.39ms - +1.40ms
preact-main75.34ms - 76.62msunsure 🔍
-2% - +1%
-1.40ms - +0.39ms
-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local15.42ms - 15.75ms-unsure 🔍
-2% - +2%
-0.23ms - +0.33ms
preact-main15.30ms - 15.77msunsure 🔍
-2% - +1%
-0.33ms - +0.23ms
-
many-updates

duration

VersionAvg timevs preact-localvs preact-main
preact-local16.35ms - 16.97ms-unsure 🔍
-1% - +2%
-0.23ms - +0.41ms
preact-main16.49ms - 16.64msunsure 🔍
-2% - +1%
-0.41ms - +0.23ms
-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local4.58ms - 4.60ms-unsure 🔍
-1% - +0%
-0.02ms - +0.01ms
preact-main4.58ms - 4.61msunsure 🔍
-0% - +1%
-0.01ms - +0.02ms
-
replace1k

duration

VersionAvg timevs preact-localvs preact-main
preact-local74.25ms - 75.74ms-unsure 🔍
-2% - +1%
-1.76ms - +0.71ms
preact-main74.53ms - 76.51msunsure 🔍
-1% - +2%
-0.71ms - +1.76ms
-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local3.60ms - 3.61ms-unsure 🔍
-1% - +0%
-0.02ms - +0.01ms
preact-main3.59ms - 3.63msunsure 🔍
-0% - +1%
-0.01ms - +0.02ms
-

run-warmup-0

VersionAvg timevs preact-localvs preact-main
preact-local31.05ms - 31.80ms-unsure 🔍
-2% - +1%
-0.60ms - +0.41ms
preact-main31.18ms - 31.86msunsure 🔍
-1% - +2%
-0.41ms - +0.60ms
-

run-warmup-1

VersionAvg timevs preact-localvs preact-main
preact-local36.00ms - 37.35ms-unsure 🔍
-3% - +2%
-1.11ms - +0.85ms
preact-main36.10ms - 37.52msunsure 🔍
-2% - +3%
-0.85ms - +1.11ms
-

run-warmup-2

VersionAvg timevs preact-localvs preact-main
preact-local26.66ms - 27.13ms-unsure 🔍
-3% - +0%
-0.89ms - +0.01ms
preact-main26.95ms - 27.73msunsure 🔍
-0% - +3%
-0.01ms - +0.89ms
-

run-warmup-3

VersionAvg timevs preact-localvs preact-main
preact-local27.32ms - 28.59ms-unsure 🔍
-4% - +2%
-1.21ms - +0.62ms
preact-main27.60ms - 28.90msunsure 🔍
-2% - +4%
-0.62ms - +1.21ms
-

run-warmup-4

VersionAvg timevs preact-localvs preact-main
preact-local21.59ms - 22.27ms-unsure 🔍
-0% - +4%
-0.03ms - +0.83ms
preact-main21.26ms - 21.80msunsure 🔍
-4% - +0%
-0.83ms - +0.03ms
-

run-final

VersionAvg timevs preact-localvs preact-main
preact-local22.89ms - 23.26ms-unsure 🔍
-2% - +1%
-0.46ms - +0.22ms
preact-main22.91ms - 23.48msunsure 🔍
-1% - +2%
-0.22ms - +0.46ms
-
text-update

duration

VersionAvg timevs preact-localvs preact-main
preact-local1.99ms - 2.07ms-unsure 🔍
-1% - +5%
-0.03ms - +0.09ms
preact-main1.95ms - 2.04msunsure 🔍
-5% - +1%
-0.09ms - +0.03ms
-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local1.12ms - 1.12ms-unsure 🔍
+0% - +0%
+0.00ms - +0.00ms
preact-main1.12ms - 1.12msunsure 🔍
-0% - -0%
-0.00ms - -0.00ms
-
todo

duration

VersionAvg timevs preact-localvs preact-main
preact-local35.00ms - 35.32ms-unsure 🔍
-1% - +0%
-0.36ms - +0.16ms
preact-main35.06ms - 35.46msunsure 🔍
-0% - +1%
-0.16ms - +0.36ms
-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local1.23ms - 1.24ms-unsure 🔍
-2% - +1%
-0.02ms - +0.01ms
preact-main1.23ms - 1.25msunsure 🔍
-1% - +2%
-0.01ms - +0.02ms
-
update10th1k

duration

VersionAvg timevs preact-localvs preact-main
preact-local33.62ms - 34.77ms-unsure 🔍
-3% - +2%
-1.08ms - +0.74ms
preact-main33.65ms - 35.07msunsure 🔍
-2% - +3%
-0.74ms - +1.08ms
-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local3.53ms - 3.56ms-unsure 🔍
-1% - +0%
-0.02ms - +0.01ms
preact-main3.54ms - 3.56msunsure 🔍
-0% - +1%
-0.01ms - +0.02ms
-

tachometer-reporter-action v2 for Benchmarks

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github-actions bot commented Oct 2, 2024

Size Change: +20 B (+0.03%)

Total Size: 62.1 kB

Filename Size Change
compat/dist/compat.js 4.13 kB +13 B (+0.32%)
compat/dist/compat.module.js 4.05 kB +13 B (+0.32%)
compat/dist/compat.umd.js 4.19 kB +11 B (+0.26%)
jsx-runtime/dist/jsxRuntime.js 976 B -5 B (-0.51%)
jsx-runtime/dist/jsxRuntime.module.js 949 B -7 B (-0.73%)
jsx-runtime/dist/jsxRuntime.umd.js 1.05 kB -5 B (-0.47%)
ℹ️ View Unchanged
Filename Size
debug/dist/debug.js 3.82 kB
debug/dist/debug.module.js 3.83 kB
debug/dist/debug.umd.js 3.9 kB
devtools/dist/devtools.js 260 B
devtools/dist/devtools.module.js 274 B
devtools/dist/devtools.umd.js 346 B
dist/preact.js 4.66 kB
dist/preact.min.js 4.69 kB
dist/preact.min.module.js 4.68 kB
dist/preact.min.umd.js 4.71 kB
dist/preact.module.js 4.67 kB
dist/preact.umd.js 4.73 kB
hooks/dist/hooks.js 1.53 kB
hooks/dist/hooks.module.js 1.56 kB
hooks/dist/hooks.umd.js 1.6 kB
test-utils/dist/testUtils.js 451 B
test-utils/dist/testUtils.module.js 456 B
test-utils/dist/testUtils.umd.js 536 B

compressed-size-action

@JoviDeCroock JoviDeCroock force-pushed the less-memory-allocation branch 2 times, most recently from e7e9396 to 33d1496 Compare October 2, 2024 16:30
@JoviDeCroock JoviDeCroock force-pushed the less-memory-allocation branch from faca985 to 5de3be2 Compare October 2, 2024 18:24
@coveralls
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coveralls commented Oct 2, 2024

Coverage Status

coverage: 99.488%. remained the same
when pulling 79303ec on less-memory-allocation
into 6a66daa on main.

@coveralls
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Coverage Status

coverage: 99.489% (+0.001%) from 99.488%
when pulling 5de3be2 on less-memory-allocation
into 6a66daa on main.

@JoviDeCroock JoviDeCroock force-pushed the less-memory-allocation branch 2 times, most recently from 85f218d to 79303ec Compare October 2, 2024 18:41
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4 participants