add benchmark

Author: Asmod4n

benchmark/benchmark.rb

@@ -0,0 +1,82 @@
+JSON.zero_copy_parsing = true
+json = File.read('twitter.json')
+data = JSON.parse json
+cbor = CBOR.encode(data)
+cbor_size = cbor.bytesize
+msgpack = MessagePack.pack(data)
+msgpack_size = msgpack.bytesize
+json_size = json.bytesize
+
+pointer = "/statuses/50/retweeted_status/user/screen_name"
+
+puts "=" * 100
+puts "EAGER DECODE BENCHMARK (twitter.json)"
+puts "=" * 100
+GC.start
+# CBOR
+puts "\nCBOR.decode"
+timer = Chrono::Timer.new
+result = CBOR.decode(cbor)
+elapsed = timer.elapsed
+
+puts "  Time: #{elapsed.round(9)} sec"
+puts "  Throughput: #{(cbor_size.to_f / elapsed / 1_000_000_000).round(2)} GBps"
+
+# MessagePack
+puts "\nMessagePack.unpack"
+timer = Chrono::Timer.new
+result = MessagePack.unpack(msgpack)
+elapsed = timer.elapsed
+
+puts "  Time: #{elapsed.round(9)} sec"
+puts "  Throughput: #{(msgpack_size.to_f / elapsed / 1_000_000_000).round(2)} GBps"
+
+# JSON
+puts "\nJSON.parse"
+timer = Chrono::Timer.new
+result = JSON.parse(json)
+elapsed = timer.elapsed
+
+puts "  Time: #{elapsed.round(9)} sec"
+puts "  Throughput: #{(json_size.to_f / elapsed / 1_000_000_000).round(2)} GBps"
+
+puts "\n" + "=" * 100
+puts "LAZY DECODE BENCHMARK — #{pointer}"
+puts "=" * 100
+GC.start
+# CBOR Lazy
+puts "\nCBOR.decode_lazy"
+timer = Chrono::Timer.new
+result = CBOR.decode_lazy(cbor)["statuses"][50]["retweeted_status"]["user"]["screen_name"].value
+elapsed = timer.elapsed
+
+puts "  Result: #{result.inspect}"
+puts "  Time: #{elapsed.round(9)} sec"
+puts "  Throughput: #{(cbor_size.to_f / elapsed / 1_000_000_000).round(2)} GBps"
+
+# MessagePack Lazy
+puts "\nMessagePack.unpack_lazy"
+timer = Chrono::Timer.new
+result = MessagePack.unpack_lazy(msgpack).at_pointer(pointer)
+elapsed = timer.elapsed
+
+puts "  Result: #{result.inspect}"
+puts "  Time: #{elapsed.round(9)} sec"
+puts "  Throughput: #{(msgpack_size.to_f / elapsed / 1_000_000_000).round(2)} GBps"
+
+# JSON Lazy
+puts "\nJSON.parse_lazy"
+timer = Chrono::Timer.new
+result = JSON.parse_lazy(json).at_pointer(pointer)
+elapsed = timer.elapsed
+
+puts "  Result: #{result.inspect}"
+puts "  Time: #{elapsed.round(9)} sec"
+puts "  Throughput: #{(json_size.to_f / elapsed / 1_000_000_000).round(2)} GBps"
+
+puts "\n" + "=" * 100
+puts "Wire Sizes:"
+puts "  CBOR:        #{cbor_size} bytes"
+puts "  MessagePack: #{msgpack_size} bytes"
+puts "  JSON:        #{json_size} bytes"
+puts "=" * 100