diff options
| author | hsbt <hsbt@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-01-03 02:27:50 +0000 |
|---|---|---|
| committer | hsbt <hsbt@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-01-03 02:27:50 +0000 |
| commit | 574422733dd11b242ba04c02579710e42fa58a77 (patch) | |
| tree | a9c92e59c4b7b8b730f1e789b59e98a173fd1b5d /benchmark | |
| parent | a84bfcbf0061d30946e4d9692e9d4fa70682aef4 (diff) | |
| download | ruby-574422733dd11b242ba04c02579710e42fa58a77.tar.gz | |
* array.c: Improve performance of Array#shift. use shared instead of
MEMMOVE if with arguments. Patch by @ksss [fix GH-537]
* test/ruby/test_array.rb: ditto.
* benchmark/bm_array_shift.rb: Added benchmark of GH-537 issue.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49114 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'benchmark')
| -rw-r--r-- | benchmark/bm_array_shift.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/benchmark/bm_array_shift.rb b/benchmark/bm_array_shift.rb new file mode 100644 index 0000000000..798bb9e3f4 --- /dev/null +++ b/benchmark/bm_array_shift.rb @@ -0,0 +1,14 @@ +require 'benchmark' + +Benchmark.bm do |x| + [10_000,1_000_000,100_000_000].each do |n| + ary = Array.new(n,0) + GC.start + x.report("#{n}:shift"){ ary.shift } + (0..4).each do |i| + ary = Array.new(n,0) + GC.start + x.report("#{n}:shift(#{i})"){ ary.shift(i) } + end + end +end |