split_bench.rb

#!/usr/bin/env ruby

require 'benchmark'

n = 10000000
line = 's tupBel1.scaffold_3803.1-85889    33686 61 +    85889 ttcaggaagggggcccaaaacgcttgagtggtcagctctta-ttttgcgtttactggatggg'

Benchmark.bmbm do |x|
  x.report("basic String#split") do
    n.times do
      line.split
    end
  end
end