UUID v7 - Proposal, implementation, and performance enhancements#1836
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parkera wants to merge 15 commits intoswiftlang:mainfrom
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UUID v7 - Proposal, implementation, and performance enhancements#1836parkera wants to merge 15 commits intoswiftlang:mainfrom
parkera wants to merge 15 commits intoswiftlang:mainfrom
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phausler
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Mar 20, 2026
| return Duration.seconds(seconds) + Duration(secondsComponent: 0, attosecondsComponent: remainingTicks * 100_000_000_000) | ||
| #else | ||
| var ts = timespec() | ||
| clock_gettime(CLOCK_REALTIME, &ts) |
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this is not monotonic btw:
CLOCK_REALTIME the system's real time (i.e. wall time) clock, expressed as the amount of time since the Epoch. This is the same as the value returned by
gettimeofday(2).
that can be adjusted by NTP or by the user adjusting the clock.
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Add a new API proposal for UUID, plus corresponding implementation.
Motivation:
See the proposal for this.
Modifications:
New proposal, new implementation changes to support it, plus associated performance changes.
Result:
Benchmark shows 185% improvement in UUIDCreate, 23% improvement in UUIDString. Also removes the need for C shims for UUID.
Testing:
New unit tests, new benchmarks.