[#106341] [Ruby master Bug#18369] users.detect(:name, "Dorian") as shorthand for users.detect { |user| user.name == "Dorian" } — dorianmariefr <noreply@...>
Issue #18369 has been reported by dorianmariefr (Dorian Mari辿).
14 messages
2021/11/30
[#106351] [Ruby master Bug#18371] Release branches (release information in general) — "tenderlovemaking (Aaron Patterson)" <noreply@...>
Issue #18371 has been reported by tenderlovemaking (Aaron Patterson).
7 messages
2021/11/30
[ruby-core:106066] [Ruby master Bug#18293] Time.at in master branch was 25% slower then Ruby 3.0
From:
"k0kubun (Takashi Kokubun)" <noreply@...>
Date:
2021-11-15 07:19:03 UTC
List:
ruby-core #106066
Issue #18293 has been updated by k0kubun (Takashi Kokubun).
Assignee set to ko1 (Koichi Sasada)
Status changed from Open to Closed
Thanks to commit:f943264565f3072a30616fa93ffa3da3790294b0, master is no longer 25% slower than Ruby 3.0.0 at `Time.at(0)`.
```
$ benchmark-driver -v --rbenv='3.0.0;master::ruby' benchmark/time_at.yml
3.0.0: ruby 3.0.0p0 (2020-12-25 revision 95aff21468) [x86_64-linux]
master: ruby 3.1.0dev (2021-11-15T06:58:56Z master f943264565) [x86_64-linux]
Warming up --------------------------------------
Time.at(0) 9.546M i/s - 9.734M times in 1.019744s (104.76ns/i, 398clocks/i)
Time.at(0, 500) 9.457M i/s - 9.680M times in 1.023522s (105.74ns/i, 370clocks/i)
Time.at(0, in: "+09:00") 1.977M i/s - 2.044M times in 1.033743s (505.75ns/i)
Time.at(0, 500, in: "+09:00") 1.821M i/s - 1.902M times in 1.044507s (549.27ns/i)
Calculating -------------------------------------
3.0.0 master
Time.at(0) 10.477M 13.172M i/s - 28.637M times in 2.733200s 2.174097s
Time.at(0, 500) 9.686M 7.931M i/s - 28.371M times in 2.929153s 3.577184s
Time.at(0, in: "+09:00") 1.823M 2.542M i/s - 5.932M times in 3.253225s 2.333703s
Time.at(0, 500, in: "+09:00") 1.959M 2.448M i/s - 5.462M times in 2.787425s 2.230970s
Comparison:
Time.at(0)
master: 13171774.0 i/s
3.0.0: 10477358.7 i/s - 1.26x slower
Time.at(0, 500)
3.0.0: 9685817.8 i/s
master: 7931166.6 i/s - 1.22x slower
Time.at(0, in: "+09:00")
master: 2541815.3 i/s
3.0.0: 1823372.9 i/s - 1.39x slower
Time.at(0, 500, in: "+09:00")
master: 2448156.1 i/s
3.0.0: 1959429.5 i/s - 1.25x slower
```
----------------------------------------
Bug #18293: Time.at in master branch was 25% slower then Ruby 3.0
https://bugs.ruby-lang.org/issues/18293#change-94657
* Author: watson1978 (Shizuo Fujita)
* Status: Closed
* Priority: Normal
* Assignee: ko1 (Koichi Sasada)
* ruby -v: ruby 3.1.0dev (2021-11-08T13:15:21Z master bd2674ad33) [arm64-darwin21]
* Backport: 2.6: UNKNOWN, 2.7: UNKNOWN, 3.0: UNKNOWN
----------------------------------------
− | Ruby 3.0.2 | Ruby 3.1.0-dev | result
-- | -- | -- | --
Time.at | 8.223M | 6.190M | 0.753x
### Environment
- MacBook Pro (14inch, 2021)
- macOS 12.0
- Apple M1 Max
- Apple clang version 13.0.0 (clang-1300.0.29.3)
### Ruby 3.1.0-dev
```
$ ruby -v time.rb
ruby 3.1.0dev (2021-11-08T13:15:21Z master bd2674ad33) [arm64-darwin21]
Warming up --------------------------------------
Time.at 614.843k i/100ms
Calculating -------------------------------------
Time.at 6.190M (± 0.3%) i/s - 31.357M in 5.065559s
```
### Ruby 3.0.2
```
$ ruby -v time.rb
ruby 3.0.2p107 (2021-07-07 revision 0db68f0233) [arm64-darwin21]
Warming up --------------------------------------
Time.at 821.722k i/100ms
Calculating -------------------------------------
Time.at 8.223M (± 0.6%) i/s - 41.908M in 5.096820s
```
### Test code
```ruby
require 'benchmark/ips'
Benchmark.ips do |x|
x.report('Time.at') { Time.at(0) }
end
```
---Files--------------------------------
patch.diff (2.52 KB)
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