[MacRuby] #1410: String#length is slow when invoke at first time.
MacRuby
ruby-noreply at macosforge.org
Fri Oct 28 05:50:15 PDT 2011
#1410: String#length is slow when invoke at first time.
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Reporter: watson1978@… | Owner: lsansonetti@…
Type: defect | Status: new
Priority: blocker | Milestone:
Component: MacRuby | Keywords:
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Test Script:
{{{
#!ruby
require 'benchmark'
Benchmark.bm(15) do |x|
str = "abcdef" * 10000000
x.report "#size" do
str.size
end
x.report "#length (1)" do
# first time
str.length
end
x.report "#length (2)" do
# second time
str.length
end
str2 = str.dup
x.report "#length (3)" do
str2.length
end
end
}}}
Result:
{{{
$ macruby bm_str_length.rb
user system total real
#size 0.000000 0.000000 0.000000 ( 0.000012)
#length (1) 0.000000 0.000000 0.000000 ( 0.001750)
#length (2) 0.000000 0.000000 0.000000 ( 0.000008)
#length (3) 0.000000 0.000000 0.000000 ( 0.000010)
}}}
--
Ticket URL: <http://www.macruby.org/trac/ticket/1410>
MacRuby <http://macruby.org/>
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