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perf: Make next/dynamic
handler use Atom
instead of String
#75589
Merged
+22
−21
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This was referenced Feb 3, 2025
This was referenced Feb 3, 2025
bgw
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Feb 3, 2025
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Stats from current PRDefault Build (Increase detected
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vercel/next.js canary | vercel/next.js kdy1/next-swc-alloc-2 | Change | |
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buildDuration | 19.2s | 16.5s | N/A |
buildDurationCached | 15.8s | 13.2s | N/A |
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Client Bundles (main, webpack)
vercel/next.js canary | vercel/next.js kdy1/next-swc-alloc-2 | Change | |
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5306-HASH.js gzip | 54 kB | 54 kB | N/A |
8276.HASH.js gzip | 169 B | 168 B | N/A |
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framework-HASH.js gzip | 57.5 kB | 57.5 kB | N/A |
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main-HASH.js gzip | 34.5 kB | 34.4 kB | N/A |
webpack-HASH.js gzip | 1.71 kB | 1.71 kB | N/A |
Overall change | 0 B | 0 B | ✓ |
Legacy Client Bundles (polyfills)
vercel/next.js canary | vercel/next.js kdy1/next-swc-alloc-2 | Change | |
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polyfills-HASH.js gzip | 39.4 kB | 39.4 kB | ✓ |
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Client Pages
vercel/next.js canary | vercel/next.js kdy1/next-swc-alloc-2 | Change | |
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1afbb74e6ecf..834.css gzip | 106 B | 106 B | ✓ |
Overall change | 3.59 kB | 3.59 kB | ✓ |
Client Build Manifests
vercel/next.js canary | vercel/next.js kdy1/next-swc-alloc-2 | Change | |
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_buildManifest.js gzip | 748 B | 747 B | N/A |
Overall change | 0 B | 0 B | ✓ |
Rendered Page Sizes
vercel/next.js canary | vercel/next.js kdy1/next-swc-alloc-2 | Change | |
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index.html gzip | 524 B | 522 B | N/A |
link.html gzip | 539 B | 538 B | N/A |
withRouter.html gzip | 520 B | 520 B | ✓ |
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Edge SSR bundle Size
vercel/next.js canary | vercel/next.js kdy1/next-swc-alloc-2 | Change | |
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edge-ssr.js gzip | 129 kB | 129 kB | N/A |
page.js gzip | 210 kB | 210 kB | N/A |
Overall change | 0 B | 0 B | ✓ |
Middleware size
vercel/next.js canary | vercel/next.js kdy1/next-swc-alloc-2 | Change | |
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middleware-b..fest.js gzip | 670 B | 666 B | N/A |
middleware-r..fest.js gzip | 155 B | 156 B | N/A |
middleware.js gzip | 31.3 kB | 31.3 kB | N/A |
edge-runtime..pack.js gzip | 844 B | 844 B | ✓ |
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Next Runtimes
vercel/next.js canary | vercel/next.js kdy1/next-swc-alloc-2 | Change | |
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app-page-exp...dev.js gzip | 385 kB | 385 kB | ✓ |
app-page-exp..prod.js gzip | 132 kB | 132 kB | ✓ |
app-page-tur..prod.js gzip | 145 kB | 145 kB | ✓ |
app-page-tur..prod.js gzip | 141 kB | 141 kB | ✓ |
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app-page.run..prod.js gzip | 128 kB | 128 kB | ✓ |
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pages.runtim..prod.js gzip | 21.9 kB | 21.9 kB | ✓ |
server.runti..prod.js gzip | 60.2 kB | 60.2 kB | ✓ |
Overall change | 1.65 MB | 1.65 MB | ✓ |
build cache Overall increase ⚠️
vercel/next.js canary | vercel/next.js kdy1/next-swc-alloc-2 | Change | |
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0.pack gzip | 2.1 MB | 2.1 MB | |
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Overall change | 2.1 MB | 2.1 MB |
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created-by: Turbopack team
PRs by the Turbopack team.
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Turbopack
Related to Turbopack with Next.js.
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What?
Why?
swc_atoms::Atom
is better for repeatedly used strings.Closes PACK-3869