SwiftNetwork: PERF: Optimize UDP checksum16 - #120
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rpaulo
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Aug 28, 2026
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| enum ChecksumError: Error { | ||
| @available(Network 0.1.0, *) |
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Who needs to know how the checksum failed?
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Needed for inlining.
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I see. Do we want to expose it just because of inlining though?
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Looks like I never tried usableFromInline :-)
rpaulo
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Aug 28, 2026
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This is a small optimization for UDP
checksum16. This change removes roughly 25% of the checksum instructions but we only see a small win of around 14% in the QUICTransfer benchmark:Assembly look:
https://godbolt.org/z/GzWP1ea75