UUID v5 vs SHA1 hexdigest

uuid-vs-sha1.rb

require 'json-schema'
require 'digest/sha1'
require 'benchmark'

N = 5000
SCHEMAS = Dir['test/schemas/*.json'].map { |f| File.read(f) }

Benchmark.bmbm do |x|
  x.report('v5') do
    N.times do
      SCHEMAS.each { |schema| JSON::Util::UUID.create_sha1(schema, JSON::Util::UUID::Nil).to_s }
    end
  end

  x.report('SHA1') do
    N.times do
      SCHEMAS.each { |schema| Digest::SHA1.hexdigest(schema) }
    end
  end
end

__END__
~/sauce/rb/json-schema [chruby:2.1.1] (master δ) » ruby bench.rb
Rehearsal ----------------------------------------
v5     0.970000   0.000000   0.970000 (  0.971467)
SHA1   0.150000   0.000000   0.150000 (  0.144231)
------------------------------- total: 1.120000sec

           user     system      total        real
v5     0.970000   0.000000   0.970000 (  0.970403)
SHA1   0.140000   0.000000   0.140000 (  0.138115)