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| author | Kenta Murata <mrkn@users.noreply.github.com> | 2020-07-18 23:45:25 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-07-18 23:45:25 +0900 |
| commit | b4e784434c54348283c079efb1b8ab9de13c0603 (patch) | |
| tree | 246a345b0c9458f07f1d34d9614f9a3c085df8c5 /test/ruby/test_array.rb | |
| parent | a63f520971787aa7b32b27486e9a5bb732d2814e (diff) | |
Optimize Array#min (#3324)
The benchmark result is below:
| |compare-ruby|built-ruby|
|:---------------|-----------:|---------:|
|ary2.min | 39.105M| 39.442M|
| | -| 1.01x|
|ary10.min | 23.995M| 30.762M|
| | -| 1.28x|
|ary100.min | 6.249M| 10.783M|
| | -| 1.73x|
|ary500.min | 1.408M| 2.714M|
| | -| 1.93x|
|ary1000.min | 828.397k| 1.465M|
| | -| 1.77x|
|ary2000.min | 332.256k| 570.504k|
| | -| 1.72x|
|ary3000.min | 338.079k| 573.868k|
| | -| 1.70x|
|ary5000.min | 168.217k| 286.114k|
| | -| 1.70x|
|ary10000.min | 85.512k| 143.551k|
| | -| 1.68x|
|ary20000.min | 43.264k| 71.935k|
| | -| 1.66x|
|ary50000.min | 17.317k| 29.107k|
| | -| 1.68x|
|ary100000.min | 9.072k| 14.540k|
| | -| 1.60x|
|ary1000000.min | 872.930| 1.436k|
| | -| 1.64x|
compare-ruby is 9f4b7fc82e.
Notes
Notes:
Merged-By: mrkn <mrkn@ruby-lang.org>
Diffstat (limited to 'test/ruby/test_array.rb')
| -rw-r--r-- | test/ruby/test_array.rb | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb index 2b48dcf308..46de8e08fc 100644 --- a/test/ruby/test_array.rb +++ b/test/ruby/test_array.rb @@ -1734,10 +1734,12 @@ class TestArray < Test::Unit::TestCase end def test_min + assert_equal(3, [3].min) assert_equal(1, [1, 2, 3, 1, 2].min) assert_equal(3, [1, 2, 3, 1, 2].min {|a,b| b <=> a }) cond = ->((a, ia), (b, ib)) { (b <=> a).nonzero? or ia <=> ib } assert_equal([3, 2], [1, 2, 3, 1, 2].each_with_index.min(&cond)) + assert_equal(1.0, [3.0, 1.0, 2.0].min) ary = %w(albatross dog horse) assert_equal("albatross", ary.min) assert_equal("dog", ary.min {|a,b| a.length <=> b.length }) |