Prevent frequently updated components from retaining memory

[JoviDeCroock]

Resolves #4905
Duplicate of #4906

[github-actions]

📊 Tachometer Benchmark Results

Summary

duration

• create10k: unsure 🔍 -0% - +0% (-4.64ms - +2.16ms)
  ^{preact-local vs preact-main}
• filter-list: unsure 🔍 -0% - +2% (-0.08ms - +0.32ms)
  ^{preact-local vs preact-main}
• hydrate1k: unsure 🔍 -2% - +2% (-1.16ms - +1.72ms)
  ^{preact-local vs preact-main}
• many-updates: unsure 🔍 -3% - +1% (-0.49ms - +0.15ms)
  ^{preact-local vs preact-main}
• replace1k: unsure 🔍 -2% - +0% (-1.48ms - +0.02ms)
  ^{preact-local vs preact-main}
• text-update: unsure 🔍 -8% - +6% (-0.17ms - +0.12ms)
  ^{preact-local vs preact-main}
• todo: unsure 🔍 -0% - +2% (-0.04ms - +0.66ms)
  ^{preact-local vs preact-main}
• update10th1k: unsure 🔍 -4% - +1% (-1.41ms - +0.38ms)
  ^{preact-local vs preact-main}

usedJSHeapSize

• create10k: unsure 🔍 -0% - +0% (-0.00ms - +0.02ms)
  ^{preact-local vs preact-main}
• filter-list: unsure 🔍 -0% - +0% (-0.00ms - +0.01ms)
  ^{preact-local vs preact-main}
• hydrate1k: unsure 🔍 -6% - +7% (-0.39ms - +0.46ms)
  ^{preact-local vs preact-main}
• many-updates: unsure 🔍 -0% - +0% (-0.00ms - +0.01ms)
  ^{preact-local vs preact-main}
• replace1k: unsure 🔍 -0% - +0% (-0.01ms - +0.01ms)
  ^{preact-local vs preact-main}
• text-update: unsure 🔍 -2% - +1% (-0.02ms - +0.01ms)
  ^{preact-local vs preact-main}
• todo: unsure 🔍 -0% - +1% (-0.00ms - +0.01ms)
  ^{preact-local vs preact-main}
• update10th1k: unsure 🔍 -0% - +0% (-0.01ms - +0.00ms)
  ^{preact-local vs preact-main}

Results

create10k

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5113

• Commit: 3ba61de

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	967.75ms - 972.15ms	-	unsure 🔍 -0% - +0% -4.64ms - +2.16ms
preact-main	968.60ms - 973.79ms	unsure 🔍 -0% - +0% -2.16ms - +4.64ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	19.03ms - 19.05ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.02ms
preact-main	19.03ms - 19.03ms	unsure 🔍 -0% - +0% -0.02ms - +0.00ms	-

filter-list

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5113

• Commit: 3ba61de

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	16.48ms - 16.88ms	-	unsure 🔍 -0% - +2% -0.08ms - +0.32ms
preact-main	16.53ms - 16.58ms	unsure 🔍 -2% - +0% -0.32ms - +0.08ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	1.54ms - 1.54ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.01ms
preact-main	1.54ms - 1.54ms	unsure 🔍 -0% - +0% -0.01ms - +0.00ms	-

hydrate1k

• Browser: chrome-headless
• Sample size: 90
• Built by: CI #5113

• Commit: 3ba61de

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	72.02ms - 74.12ms	-	unsure 🔍 -2% - +2% -1.16ms - +1.72ms
preact-main	71.80ms - 73.78ms	unsure 🔍 -2% - +2% -1.72ms - +1.16ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	6.26ms - 6.85ms	-	unsure 🔍 -6% - +7% -0.39ms - +0.46ms
preact-main	6.22ms - 6.82ms	unsure 🔍 -7% - +6% -0.46ms - +0.39ms	-

many-updates

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5113

• Commit: 3ba61de

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	15.86ms - 16.34ms	-	unsure 🔍 -3% - +1% -0.49ms - +0.15ms
preact-main	16.06ms - 16.49ms	unsure 🔍 -1% - +3% -0.15ms - +0.49ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	3.72ms - 3.73ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.01ms
preact-main	3.72ms - 3.72ms	unsure 🔍 -0% - +0% -0.01ms - +0.00ms	-

replace1k

• Browser: chrome-headless
• Sample size: 100
• Built by: CI #5113

• Commit: 3ba61de

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	59.74ms - 60.74ms	-	unsure 🔍 -2% - +0% -1.48ms - +0.02ms
preact-main	60.41ms - 61.53ms	unsure 🔍 -0% - +2% -0.02ms - +1.48ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	2.98ms - 3.00ms	-	unsure 🔍 -0% - +0% -0.01ms - +0.01ms
preact-main	2.98ms - 3.00ms	unsure 🔍 -0% - +0% -0.01ms - +0.01ms	-

run-warmup-0

Version	Avg time	vs preact-local	vs preact-main
preact-local	24.21ms - 25.04ms	-	unsure 🔍 -3% - +1% -0.69ms - +0.33ms
preact-main	24.51ms - 25.11ms	unsure 🔍 -1% - +3% -0.33ms - +0.69ms	-

run-warmup-1

Version	Avg time	vs preact-local	vs preact-main
preact-local	31.61ms - 32.34ms	-	unsure 🔍 -2% - +2% -0.58ms - +0.52ms
preact-main	31.60ms - 32.41ms	unsure 🔍 -2% - +2% -0.52ms - +0.58ms	-

run-warmup-2

Version	Avg time	vs preact-local	vs preact-main
preact-local	31.93ms - 32.73ms	-	unsure 🔍 -3% - +1% -0.93ms - +0.30ms
preact-main	32.18ms - 33.12ms	unsure 🔍 -1% - +3% -0.30ms - +0.93ms	-

run-warmup-3

Version	Avg time	vs preact-local	vs preact-main
preact-local	25.05ms - 25.64ms	-	unsure 🔍 -1% - +2% -0.25ms - +0.57ms
preact-main	24.90ms - 25.46ms	unsure 🔍 -2% - +1% -0.57ms - +0.25ms	-

run-warmup-4

Version	Avg time	vs preact-local	vs preact-main
preact-local	23.71ms - 24.73ms	-	unsure 🔍 -3% - +4% -0.65ms - +0.89ms
preact-main	23.52ms - 24.68ms	unsure 🔍 -4% - +3% -0.89ms - +0.65ms	-

run-final

Version	Avg time	vs preact-local	vs preact-main
preact-local	20.58ms - 21.40ms	-	faster ✔ 0% - 6% 0.05ms - 1.31ms
preact-main	21.20ms - 22.14ms	slower ❌ 0% - 6% 0.05ms - 1.31ms	-

text-update

• Browser: chrome-headless
• Sample size: 240
• Built by: CI #5113

• Commit: 3ba61de

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	2.04ms - 2.24ms	-	unsure 🔍 -8% - +6% -0.17ms - +0.12ms
preact-main	2.05ms - 2.27ms	unsure 🔍 -6% - +8% -0.12ms - +0.17ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	0.97ms - 1.00ms	-	unsure 🔍 -2% - +1% -0.02ms - +0.01ms
preact-main	0.98ms - 1.00ms	unsure 🔍 -1% - +2% -0.01ms - +0.02ms	-

todo

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5113

• Commit: 3ba61de

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	31.94ms - 32.54ms	-	unsure 🔍 -0% - +2% -0.04ms - +0.66ms
preact-main	31.75ms - 32.12ms	unsure 🔍 -2% - +0% -0.66ms - +0.04ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	1.25ms - 1.26ms	-	unsure 🔍 -0% - +1% -0.00ms - +0.01ms
preact-main	1.25ms - 1.25ms	unsure 🔍 -1% - +0% -0.01ms - +0.00ms	-

update10th1k

• Browser: chrome-headless
• Sample size: 100
• Built by: CI #5113

• Commit: 3ba61de

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	32.91ms - 34.20ms	-	unsure 🔍 -4% - +1% -1.41ms - +0.38ms
preact-main	33.44ms - 34.69ms	unsure 🔍 -1% - +4% -0.38ms - +1.41ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	2.93ms - 2.93ms	-	unsure 🔍 -0% - +0% -0.01ms - +0.00ms
preact-main	2.93ms - 2.94ms	unsure 🔍 -0% - +0% -0.00ms - +0.01ms	-

_{tachometer-reporter-action v2 for CI}

[github-actions]

Size Change: +25 B (+0.05%)

Total Size: 47.4 kB

Filename	Size	Change
dist/preact.js	4.67 kB	+9 B (+0.19%)
dist/preact.mjs	4.7 kB	+8 B (+0.17%)
dist/preact.umd.js	4.75 kB	+8 B (+0.17%)

ℹ️ View Unchanged

Filename	Size
compat/dist/compat.js	3.9 kB
compat/dist/compat.mjs	3.82 kB
compat/dist/compat.umd.js	3.95 kB
debug/dist/debug.js	3.9 kB
debug/dist/debug.mjs	3.9 kB
debug/dist/debug.umd.js	3.98 kB
devtools/dist/devtools.js	263 B
devtools/dist/devtools.mjs	273 B
devtools/dist/devtools.umd.js	348 B
hooks/dist/hooks.js	1.53 kB
hooks/dist/hooks.mjs	1.56 kB
hooks/dist/hooks.umd.js	1.6 kB
jsx-runtime/dist/jsxRuntime.js	892 B
jsx-runtime/dist/jsxRuntime.mjs	861 B
jsx-runtime/dist/jsxRuntime.umd.js	966 B
test-utils/dist/testUtils.js	473 B
test-utils/dist/testUtils.mjs	473 B
test-utils/dist/testUtils.umd.js	555 B

_{compressed-size-action}

[coveralls]

coverage: 99.535%. remained the same
when pulling 3ba61de on fix-mem-leak
into f23272c on main.

[korDen]

FYI this is fixing partial leak but RouterContent and RouterProvider objects are still leaking (_original: -2 and _original: -1 if that helps)