mackuba (Kuba Suder)
- Login: mackuba
- Registered on: 04/13/2019
- Last sign in: 01/05/2026
Issues
| open | closed | Total | |
|---|---|---|---|
| Assigned issues | 0 | 0 | 0 |
| Reported issues | 1 | 0 | 1 |
Activity
01/05/2026
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08:58 PM Ruby Bug #21824: performance regression in regexp matching after update to 4.0
- To clarify: when testing on a Ruby version built from the commit before 981ee02c7c664f19b983662d618d5e6bd87d1739 (i.e. a6379032ee98bc43fb68ce7a6c186f3512558ce0), the test runs as fast as on 3.4. When testing on 981ee02c7c664f19b983662d61...
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- TLDR: a change in the regexp algorithm in regcomp.c merged around October was supposed to speed up the matching, but it seems it has slowed it down more in practice.
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I'm running a service written in Ruby which serves some numbe...
04/13/2019
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- I came across this thread now, because I've noticed that sprintf's behavior has actually changed in Ruby 2.4 too, just... not the same way as round's did...
```
> echo "n = [5.005, 5.015, 5.025]; puts 'round: ' + n.map { |x| x.round(...