1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
|
require 'benchmark'
BUFSIZE = 16 * 1024
(ARGV[0] || 1).to_i.times do
Benchmark.bmbm(40) do |bm|
bm.report("100 String#slice!(0)") do
100.times do
str = 0.chr * BUFSIZE
BUFSIZE.times { str.slice!(0) }
end
end
bm.report("100 String#slice!(0, 1)") do
100.times do
str = 0.chr * BUFSIZE
BUFSIZE.times { str.slice!(0, 1) }
end
end
bm.report("100 String#slice!(str.length-1, 1)") do
100.times do
str = 0.chr * BUFSIZE
BUFSIZE.times { str.slice!(str.length-1, 1) }
end
end
bm.report("100 String#slice!(0..1)") do
100.times do
str = 0.chr * BUFSIZE
BUFSIZE.times { str.slice!(0, 1) }
end
end
bm.report("100 String#slice!(str.length-1..-1)") do
100.times do
str = 0.chr * BUFSIZE
BUFSIZE.times { str.slice!(str.length-1..-1) }
end
end
end
end
|