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|
require 'benchmark'
$t = 3
$n = 100000
def report(header)
puts header
reals = []
Benchmark.bm do |bm|
$t.times do
reals << bm.report { $n.times { yield } }.real
end
end
[header, (reals.inject(&:+) / reals.count).round(5)]
end
multi = [
/\/lib\d*\/ruby\//,
/org\/jruby\//,
/bin\//,
%r|/gems/|,
/lib\/rspec\/(core|expectations|matchers|mocks)/
]
union = [Regexp.union(multi)]
avgs = []
avgs << report("multi w/ match") {
multi.any? {|e| e =~ "lib/rspec/core"}
}
avgs << report("union w/ match") {
union.any? {|e| e =~ "lib/rspec/core"}
}
avgs << report("multi w/ no match") {
multi.any? {|e| e =~ "foo/bar"}
}
avgs << report("union w/ no match") {
union.any? {|e| e =~ "foo/bar"}
}
puts
avgs.each do |header, val|
puts header, val
puts
end
__END__
multi w/ match
user system total real
0.400000 0.000000 0.400000 ( 0.405063)
0.410000 0.000000 0.410000 ( 0.402778)
0.430000 0.000000 0.430000 ( 0.435447)
union w/ match
user system total real
0.130000 0.000000 0.130000 ( 0.127526)
0.130000 0.000000 0.130000 ( 0.135529)
0.130000 0.000000 0.130000 ( 0.127866)
multi w/ no match
user system total real
0.320000 0.000000 0.320000 ( 0.318921)
0.330000 0.000000 0.330000 ( 0.328375)
0.340000 0.000000 0.340000 ( 0.341230)
union w/ no match
user system total real
0.170000 0.000000 0.170000 ( 0.175144)
0.170000 0.000000 0.170000 ( 0.168816)
0.170000 0.000000 0.170000 ( 0.168362)
multi w/ match
0.41443
union w/ match
0.13031
multi w/ no match
0.32951
union w/ no match
0.17077
|
