Add nicholas' benchmark.

Author: gkellogg

Gemfile

@@ -20,6 +20,7 @@ group :development, :test do
   gem 'simplecov',  require: false, platform: :mri
   gem 'coveralls',  require: false, platform: :mri
   gem 'psych',      platforms: [:mri, :rbx]
+  gem 'benchmark-ips'
 end
 
 group :debug do

example-files/nicholas-arduino-bench.rb

@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+require "bundler/setup"
+require 'json/ld'
+require 'benchmark/ips'
+
+source = JSON.parse %({
+  "@context": "http://schema.org/",
+  "@type": "SoftwareApplication",
+  "name": "EtherSia",
+  "description": "IPv6 library for the ENC28J60 Ethernet controller",
+  "url": "https://github.com/njh/EtherSia",
+  "author": {
+    "@type": "Person",
+    "name": "Nicholas Humfrey <njh@aelius.com>"
+  },
+  "applicationCategory": "Communication",
+  "operatingSystem": "Arduino",
+  "downloadUrl": "http://downloads.arduino.cc/libraries/njh/EtherSia-1.0.0.zip",
+  "softwareVersion": "1.0.0",
+  "fileSize": 77
+})
+
+
+Benchmark.ips do |x|
+  x.config(time: 10, warmup: 1)
+  x.report('toRdf') {JSON::LD::API.toRdf(source)}
+end