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Avoids making use of a global lock. Slighlty faster in benchmarks, but for most cases construction time doesn't matter and is bottle necked on reading input anyway. benchstat master_gotip.bench fastrand_gotip.bench name old time/op new time/op delta Filter_Reset-4 2.58µs ± 4% 2.61µs ±13% ~ (p=0.841 n=5+5) Filter_Insert-4 37.8ns ± 7% 35.9ns ± 0% ~ (p=0.190 n=5+4) Filter_Lookup-4 37.7ns ± 6% 37.6ns ± 3% ~ (p=0.841 n=5+5)
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Sorry I couldn't respond earlier. I'll resubmit a PR with the subset you requested in #13. I gotta say, though, personally I'd much sooner take another dependency than use Since this code already has go-metro, I could rework #13 to use that instead of wyhash to get the same result without a new dependency. If you're interested, I could have that done this weekend. |
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You're bringing up some good points, the things that in the end swayed me towards runtime.fastrandn were
I hope that makes sense. |
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Avoid costly global random calls.