UUID Benchmarks

uuid_benchmark.rb

require 'benchmark'
require 'uuidtools'
require 'ffi-uuid'
require 'uuid'
Benchmark.bm do |x|
  x.report { 100000.times do; UUIDTools::UUID.timestamp_create.to_s; end; }
  x.report { 100000.times do; UUID.generate.to_s; end; }
  x.report { 100000.times do; FFI::UUID.generate_time.to_s; end; }
end

               user     system      total        real
UUIDTools:   3.780000   0.020000   3.810000 (  3.810895)
UUID:        0.990000   0.000000   0.990000 (  0.992808)
FFI::UUID    0.210000   0.000000   0.210000 (  0.205604)