added ohai benchmark

4 files changed, 1655 insertions, 0 deletions

diff --git a/benchmarks/generator2_benchmark.rb b/benchmarks/generator2_benchmark.rb
new file mode 100755
index 0000000..60ba17f
--- /dev/null
+++ b/benchmarks/generator2_benchmark.rb
@@ -0,0 +1,204 @@
+#!/usr/bin/env ruby
+# CODING: UTF-8
+
+require 'rbconfig'
+RUBY_PATH=File.join(Config::CONFIG['bindir'], Config::CONFIG['ruby_install_name'])
+RAKE_PATH=File.join(Config::CONFIG['bindir'], 'rake')
+require 'bullshit'
+case ARGV.first
+when 'ext'
+  require 'json/ext'
+when 'pure'
+  require 'json/pure'
+when 'rails'
+  require 'active_support'
+when 'yajl'
+  require 'yajl'
+  require 'stringio'
+end
+
+module JSON
+  def self.[](*) end
+end
+
+module Generator2BenchmarkCommon
+  include JSON
+
+  def setup
+    @big = eval File.read(File.join(File.dirname(__FILE__), 'ohai.ruby'))
+  end
+
+  def generic_reset_method
+    @result and @result.size >= 16 or raise @result.to_s
+  end
+end
+
+module JSONGeneratorCommon
+  include Generator2BenchmarkCommon
+
+  def benchmark_generator_fast
+    @result = JSON.fast_generate(@big)
+  end
+
+  alias reset_benchmark_generator_fast generic_reset_method
+
+  def benchmark_generator_safe
+    @result = JSON.generate(@big)
+  end
+
+  alias reset_benchmark_generator_safe generic_reset_method
+
+  def benchmark_generator_pretty
+    @result = JSON.pretty_generate(@big)
+  end
+
+  alias reset_benchmark_generator_pretty generic_reset_method
+end
+
+class Generator2BenchmarkExt < Bullshit::RepeatCase
+  include JSONGeneratorCommon
+
+  warmup      yes
+  iterations  1000
+
+  truncate_data do
+    alpha_level 0.05
+    window_size 50
+    slope_angle 0.1
+  end
+
+  autocorrelation do
+    alpha_level 0.05
+    max_lags    50
+    file        yes
+  end
+
+
+  output_dir File.join(File.dirname(__FILE__), 'data')
+  output_filename benchmark_name + '.log'
+  data_file yes
+  histogram yes
+end
+
+class Generator2BenchmarkPure < Bullshit::RepeatCase
+  include JSONGeneratorCommon
+
+  warmup      yes
+  iterations  1000
+
+  truncate_data do
+    alpha_level 0.05
+    window_size 50
+    slope_angle 0.1
+  end
+
+  autocorrelation do
+    alpha_level 0.05
+    max_lags    50
+    file        yes
+  end
+
+  output_dir File.join(File.dirname(__FILE__), 'data')
+  output_filename benchmark_name + '.log'
+  data_file yes
+  histogram yes
+end
+
+class Generator2BenchmarkRails < Bullshit::RepeatCase
+  include Generator2BenchmarkCommon
+
+  warmup      yes
+  iterations  1000
+
+  truncate_data do
+    alpha_level 0.05
+    window_size 50
+    slope_angle 0.1
+  end
+
+  autocorrelation do
+    alpha_level 0.05
+    max_lags    50
+    file        yes
+  end
+
+  output_dir File.join(File.dirname(__FILE__), 'data')
+  output_filename benchmark_name + '.log'
+  data_file yes
+  histogram yes
+
+  def benchmark_generator
+    @result = @big.to_json
+  end
+
+  alias reset_benchmark_generator generic_reset_method
+end
+
+class Generator2BenchmarkYajl < Bullshit::RepeatCase
+  include Generator2BenchmarkCommon
+
+  warmup      yes
+  iterations  1000
+
+  truncate_data do
+    alpha_level 0.05
+    window_size 50
+    slope_angle 0.1
+  end
+
+  autocorrelation do
+    alpha_level 0.05
+    max_lags    50
+    file        yes
+  end
+
+  output_dir File.join(File.dirname(__FILE__), 'data')
+  output_filename benchmark_name + '.log'
+  data_file yes
+  histogram yes
+
+  def benchmark_generator
+    output = StringIO.new
+    Yajl::Encoder.new.encode(@big, output)
+    @result = output.string
+  end
+
+  def reset_benchmark_generator
+    generic_reset_method
+  end
+end
+
+if $0 == __FILE__
+  Bullshit::Case.autorun false
+
+  case ARGV.first
+  when 'ext'
+    Generator2BenchmarkExt.run
+  when 'pure'
+    Generator2BenchmarkPure.run
+  when 'rails'
+    Generator2BenchmarkRails.run
+  when 'yajl'
+    Generator2BenchmarkYajl.run
+  else
+    system "#{RAKE_PATH} clean"
+#    system "#{RUBY_PATH} #$0 rails"
+#    system "#{RUBY_PATH} #$0 pure"
+    system "#{RAKE_PATH} compile_ext"
+    system "#{RUBY_PATH} #$0 ext"
+    system "#{RUBY_PATH} #$0 yajl"
+    Bullshit.compare do
+      output_filename File.join(File.dirname(__FILE__), 'data', 'Generator2BenchmarkComparison.log')
+
+      benchmark Generator2BenchmarkExt,    :generator_fast,    :load => yes
+      benchmark Generator2BenchmarkExt,    :generator_safe,    :load => yes
+      benchmark Generator2BenchmarkExt,    :generator_pretty,  :load => yes
+#      benchmark Generator2BenchmarkPure,   :generator_fast,    :load => yes
+#      benchmark Generator2BenchmarkPure,   :generator_safe,    :load => yes
+#      benchmark Generator2BenchmarkPure,   :generator_pretty,  :load => yes
+#      benchmark Generator2BenchmarkRails,  :generator,         :load => yes
+      benchmark Generator2BenchmarkYajl,   :generator,         :load => yes
+    end
+  end
+end
+
diff --git a/benchmarks/ohai.json b/benchmarks/ohai.json
new file mode 100644
index 0000000..584bdbd
--- /dev/null
+++ b/benchmarks/ohai.json
@@ -0,0 +1,1216 @@
+{
+  "command": {
+    "ps": "ps -ef"
+  },
+  "kernel": {
+    "modules": {
+      "org.virtualbox.kext.VBoxDrv": {
+        "size": 118784,
+        "version": "2.2.0",
+        "index": "114",
+        "refcount": "3"
+      },
+      "com.cisco.nke.ipsec": {
+        "size": 454656,
+        "version": "2.0.1",
+        "index": "111",
+        "refcount": "0"
+      },
+      "com.apple.driver.AppleAPIC": {
+        "size": 12288,
+        "version": "1.4",
+        "index": "26",
+        "refcount": "0"
+      },
+      "com.apple.driver.AirPort.Atheros": {
+        "size": 593920,
+        "version": "318.8.3",
+        "index": "88",
+        "refcount": "0"
+      },
+      "com.apple.driver.AppleIntelCPUPowerManagement": {
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+        "version": "59.0.1",
+        "index": "22",
+        "refcount": "0"
+      },
+      "com.apple.iokit.IOStorageFamily": {
+        "size": 98304,
+        "version": "1.5.5",
+        "index": "44",
+        "refcount": "9"
+      },
+      "com.apple.iokit.IOATAPIProtocolTransport": {
+        "size": 16384,
+        "version": "1.5.2",
+        "index": "52",
+        "refcount": "0"
+      },
+      "com.apple.iokit.IOPCIFamily": {
+        "size": 65536,
+        "version": "2.5",
+        "index": "17",
+        "refcount": "18"
+      },
+      "com.apple.driver.AppleHPET": {
+        "size": 12288,
+        "version": "1.3",
+        "index": "33",
+        "refcount": "0"
+      },
+      "com.apple.driver.AppleUSBHub": {
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+        "version": "3.2.7",
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+      },
+      "com.apple.iokit.IOFireWireFamily": {
+        "size": 258048,
+        "version": "3.4.6",
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+        "refcount": "2"
+      },
+      "com.apple.driver.AppleUSBComposite": {
+        "size": 16384,
+        "version": "3.2.0",
+        "index": "60",
+        "refcount": "1"
+      },
+      "com.apple.driver.AppleIntelPIIXATA": {
+        "size": 36864,
+        "version": "2.0.0",
+        "index": "41",
+        "refcount": "0"
+      },
+      "com.apple.driver.AppleSmartBatteryManager": {
+        "size": 28672,
+        "version": "158.6.0",
+        "index": "32",
+        "refcount": "0"
+      },
+      "com.apple.filesystems.udf": {
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+        "version": "2.0.2",
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+      "com.apple.iokit.IOSMBusFamily": {
+        "size": 12288,
+        "version": "1.1",
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+        "refcount": "2"
+      },
+      "com.apple.iokit.IOACPIFamily": {
+        "size": 16384,
+        "version": "1.2.0",
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+      },
+      "foo.tap": {
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+        "version": "1.0",
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+        "refcount": "0"
+      },
+      "com.vmware.kext.vmx86": {
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+      "com.apple.iokit.CHUDUtils": {
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+        "version": "2.2.0",
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+      "com.apple.filesystems.autofs": {
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+        "refcount": "0"
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+      "com.vmware.kext.vmnet": {
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+        "version": "2.0.4",
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+        "refcount": "0"
+      },
+      "com.apple.driver.AppleACPIButtons": {
+        "size": 16384,
+        "version": "1.2.4",
+        "index": "30",
+        "refcount": "0"
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+      "com.apple.driver.AppleFWOHCI": {
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+        "version": "3.7.2",
+        "index": "50",
+        "refcount": "0"
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+      "com.apple.iokit.IOSCSIArchitectureModelFamily": {
+        "size": 102400,
+        "version": "2.0.5",
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+      "com.apple.driver.AppleACPIPCI": {
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+      },
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+        "version": "107.10",
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+        "refcount": "0"
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+        "version": "2.7.2",
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+        "refcount": "0"
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+      "com.apple.kext.OSvKernDSPLib": {
+        "size": 12288,
+        "version": "1.1",
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+        "refcount": "1"
+      },
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+        "version": "1.7.1",
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+      "com.apple.iokit.IONetworkingFamily": {
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+      },
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+        "version": "3.2.4",
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+      }
+    },
+    "machine": "i386",
+    "name": "Darwin",
+    "os": "Darwin",
+    "version": "Darwin Kernel Version 9.6.0: Mon Nov 24 17:37:00 PST 2008; root:xnu-1228.9.59~1\/RELEASE_I386",
+    "release": "9.6.0"
+  },
+  "platform_version": "10.5.6",
+  "platform": "mac_os_x",
+  "ipaddress": "192.168.88.1",
+  "keys": {
+    "ssh": {
+      "host_dsa_public": "private",
+      "host_rsa_public": "private"
+    }
+  },
+  "network": {
+    "settings": {
+      "net.inet6.ip6.forwarding": "0",
+      "net.inet.ip.dummynet.debug": "0",
+      "net.inet.ip.rtexpire": "10",
+      "net.inet6.ipsec6.esp_trans_deflev": "1",
+      "net.inet.tcp.tcbhashsize": "4096",
+      "net.key.esp_auth": "0",
+      "net.inet6.ip6.hlim": "64",
+      "net.inet.ip.fw.dyn_fin_lifetime": "1",
+      "net.inet.ip.fw.dyn_udp_lifetime": "10",
+      "net.inet.icmp.bmcastecho": "1",
+      "net.athforceBias": "2 2",
+      "net.athbgscan": "1 1",
+      "net.inet.tcp.reass.maxsegments": "2048",
+      "net.inet6.ip6.auto_flowlabel": "1",
+      "net.inet6.ip6.rtmaxcache": "128",
+      "net.inet.tcp.sendspace": "131072",
+      "net.inet.tcp.keepinit": "75000",
+      "net.inet.ip.dummynet.max_chain_len": "16",
+      "net.inet.tcp.rfc1644": "0",
+      "net.inet.ip.fw.curr_dyn_buckets": "256",
+      "net.inet.ip.dummynet.ready_heap": "0",
+      "net.inet.ip.portrange.first": "49152",
+      "net.inet.tcp.background_io_trigger": "5",
+      "net.link.ether.inet.host_down_time": "20",
+      "net.inet6.ipsec6.def_policy": "1",
+      "net.inet6.ipsec6.ecn": "0",
+      "net.inet.ip.fastforwarding": "0",
+      "net.athaddbaignore": "0 0",
+      "net.inet6.ip6.v6only": "0",
+      "net.inet.tcp.sack": "1",
+      "net.inet6.ip6.rtexpire": "3600",
+      "net.link.ether.inet.proxyall": "0",
+      "net.inet6.ip6.keepfaith": "0",
+      "net.key.spi_trycnt": "1000",
+      "net.link.ether.inet.prune_intvl": "300",
+      "net.inet.tcp.ecn_initiate_out": "0",
+      "net.inet.ip.fw.dyn_rst_lifetime": "1",
+      "net.local.stream.sendspace": "8192",
+      "net.inet.tcp.socket_unlocked_on_output": "1",
+      "net.inet.ip.fw.verbose_limit": "0",
+      "net.local.dgram.recvspace": "4096",
+      "net.inet.ipsec.debug": "0",
+      "net.link.ether.inet.log_arp_warnings": "0",
+      "net.inet.tcp.ecn_negotiate_in": "0",
+      "net.inet.tcp.rfc3465": "1",
+      "net.inet.tcp.icmp_may_rst": "1",
+      "net.link.ether.inet.sendllconflict": "0",
+      "net.inet.ipsec.ah_offsetmask": "0",
+      "net.key.blockacq_count": "10",
+      "net.inet.tcp.delayed_ack": "3",
+      "net.inet.ip.fw.verbose": "2",
+      "net.inet.ip.fw.dyn_count": "0",
+      "net.inet.tcp.slowlink_wsize": "8192",
+      "net.inet6.ip6.fw.enable": "1",
+      "net.inet.ip.portrange.hilast": "65535",
+      "net.inet.icmp.maskrepl": "0",
+      "net.link.ether.inet.apple_hwcksum_rx": "1",
+      "net.inet.tcp.drop_synfin": "1",
+      "net.key.spi_maxval": "268435455",
+      "net.inet.ipsec.ecn": "0",
+      "net.inet.ip.fw.dyn_keepalive": "1",
+      "net.key.int_random": "60",
+      "net.key.debug": "0",
+      "net.inet.ip.dummynet.curr_time": "0",
+      "net.inet.udp.blackhole": "0",
+      "net.athaggrqmin": "1 1",
+      "net.athppmenable": "1 1",
+      "net.inet.ip.fw.dyn_syn_lifetime": "20",
+      "net.inet.tcp.keepidle": "7200000",
+      "net.inet6.ip6.tempvltime": "604800",
+      "net.inet.tcp.recvspace": "358400",
+      "net.inet.tcp.keepintvl": "75000",
+      "net.inet.udp.maxdgram": "9216",
+      "net.inet.ip.maxchainsent": "0",
+      "net.inet.ipsec.esp_net_deflev": "1",
+      "net.inet6.icmp6.nd6_useloopback": "1",
+      "net.inet.tcp.slowstart_flightsize": "1",
+      "net.inet.ip.fw.debug": "0",
+      "net.inet.ip.linklocal.in.allowbadttl": "1",
+      "net.key.spi_minval": "256",
+      "net.inet.ip.forwarding": "0",
+      "net.inet.tcp.v6mssdflt": "1024",
+      "net.key.larval_lifetime": "30",
+      "net.inet6.ip6.fw.verbose_limit": "0",
+      "net.inet.ip.dummynet.red_lookup_depth": "256",
+      "net.inet.tcp.pcbcount": "36",
+      "net.inet.ip.fw.dyn_ack_lifetime": "300",
+      "net.inet.ip.portrange.lowlast": "600",
+      "net.athCCAThreshold": "28 28",
+      "net.link.ether.inet.useloopback": "1",
+      "net.athqdepth": "0 0",
+      "net.inet.ip.ttl": "64",
+      "net.inet.ip.rtmaxcache": "128",
+      "net.inet.ipsec.bypass": "0",
+      "net.inet6.icmp6.nd6_debug": "0",
+      "net.inet.ip.use_route_genid": "1",
+      "net.inet6.icmp6.rediraccept": "1",
+      "net.inet.ip.fw.static_count": "1",
+      "net.inet6.ip6.fw.debug": "0",
+      "net.inet.udp.pcbcount": "104",
+      "net.inet.ipsec.esp_randpad": "-1",
+      "net.inet6.icmp6.nd6_maxnudhint": "0",
+      "net.inet.tcp.always_keepalive": "0",
+      "net.inet.udp.checksum": "1",
+      "net.link.ether.inet.keep_announcements": "1",
+      "net.athfixedDropThresh": "150 150",
+      "net.inet6.ip6.kame_version": "20010528\/apple-darwin",
+      "net.inet.ip.fw.dyn_max": "4096",
+      "net.inet.udp.log_in_vain": "0",
+      "net.inet6.icmp6.nd6_mmaxtries": "3",
+      "net.inet.ip.rtminexpire": "10",
+      "net.inet.ip.fw.dyn_buckets": "256",
+      "net.inet6.ip6.accept_rtadv": "0",
+      "net.inet6.ip6.rr_prune": "5",
+      "net.key.ah_keymin": "128",
+      "net.inet.ip.redirect": "1",
+      "net.inet.tcp.sack_globalmaxholes": "65536",
+      "net.inet.ip.keepfaith": "0",
+      "net.inet.ip.dummynet.expire": "1",
+      "net.inet.ip.gifttl": "30",
+      "net.inet.ip.portrange.last": "65535",
+      "net.inet.ipsec.ah_net_deflev": "1",
+      "net.inet6.icmp6.nd6_delay": "5",
+      "net.inet.tcp.packetchain": "50",
+      "net.inet6.ip6.hdrnestlimit": "50",
+      "net.inet.tcp.newreno": "0",
+      "net.inet6.ip6.dad_count": "1",
+      "net.inet6.ip6.auto_linklocal": "1",
+      "net.inet6.ip6.temppltime": "86400",
+      "net.inet.tcp.strict_rfc1948": "0",
+      "net.athdupie": "1 1",
+      "net.inet.ip.dummynet.red_max_pkt_size": "1500",
+      "net.inet.ip.maxfrags": "2048",
+      "net.inet.tcp.log_in_vain": "0",
+      "net.inet.tcp.rfc1323": "1",
+      "net.inet.ip.subnets_are_local": "0",
+      "net.inet.ip.dummynet.search_steps": "0",
+      "net.inet.icmp.icmplim": "250",
+      "net.link.ether.inet.apple_hwcksum_tx": "1",
+      "net.inet6.icmp6.redirtimeout": "600",
+      "net.inet.ipsec.ah_cleartos": "1",
+      "net.inet6.ip6.log_interval": "5",
+      "net.link.ether.inet.max_age": "1200",
+      "net.inet.ip.fw.enable": "1",
+      "net.inet6.ip6.redirect": "1",
+      "net.athaggrfmax": "28 28",
+      "net.inet.ip.maxfragsperpacket": "128",
+      "net.inet6.ip6.use_deprecated": "1",
+      "net.link.generic.system.dlil_input_sanity_check": "0",
+      "net.inet.tcp.sack_globalholes": "0",
+      "net.inet.tcp.reass.cursegments": "0",
+      "net.inet6.icmp6.nodeinfo": "3",
+      "net.local.inflight": "0",
+      "net.inet.ip.dummynet.hash_size": "64",
+      "net.inet.ip.dummynet.red_avg_pkt_size": "512",
+      "net.inet.ipsec.dfbit": "0",
+      "net.inet.tcp.reass.overflows": "0",
+      "net.inet.tcp.rexmt_thresh": "2",
+      "net.inet6.ip6.maxfrags": "8192",
+      "net.inet6.ip6.rtminexpire": "10",
+      "net.inet6.ipsec6.esp_net_deflev": "1",
+      "net.inet.tcp.blackhole": "0",
+      "net.key.esp_keymin": "256",
+      "net.inet.ip.check_interface": "0",
+      "net.inet.tcp.minmssoverload": "0",
+      "net.link.ether.inet.maxtries": "5",
+      "net.inet.tcp.do_tcpdrain": "0",
+      "net.inet.ipsec.esp_port": "4500",
+      "net.inet6.ipsec6.ah_net_deflev": "1",
+      "net.inet.ip.dummynet.extract_heap": "0",
+      "net.inet.tcp.path_mtu_discovery": "1",
+      "net.inet.ip.intr_queue_maxlen": "50",
+      "net.inet.ipsec.def_policy": "1",
+      "net.inet.ip.fw.autoinc_step": "100",
+      "net.inet.ip.accept_sourceroute": "0",
+      "net.inet.raw.maxdgram": "8192",
+      "net.inet.ip.maxfragpackets": "1024",
+      "net.inet.ip.fw.one_pass": "0",
+      "net.appletalk.routermix": "2000",
+      "net.inet.tcp.tcp_lq_overflow": "1",
+      "net.link.generic.system.ifcount": "9",
+      "net.link.ether.inet.send_conflicting_probes": "1",
+      "net.inet.tcp.background_io_enabled": "1",
+      "net.inet6.ipsec6.debug": "0",
+      "net.inet.tcp.win_scale_factor": "3",
+      "net.key.natt_keepalive_interval": "20",
+      "net.inet.tcp.msl": "15000",
+      "net.inet.ip.portrange.hifirst": "49152",
+      "net.inet.ipsec.ah_trans_deflev": "1",
+      "net.inet.tcp.rtt_min": "1",
+      "net.inet6.ip6.defmcasthlim": "1",
+      "net.inet6.icmp6.nd6_prune": "1",
+      "net.inet6.ip6.fw.verbose": "0",
+      "net.inet.ip.portrange.lowfirst": "1023",
+      "net.inet.tcp.maxseg_unacked": "8",
+      "net.local.dgram.maxdgram": "2048",
+      "net.key.blockacq_lifetime": "20",
+      "net.inet.tcp.sack_maxholes": "128",
+      "net.inet6.ip6.maxfragpackets": "1024",
+      "net.inet6.ip6.use_tempaddr": "0",
+      "net.athpowermode": "0 0",
+      "net.inet.udp.recvspace": "73728",
+      "net.inet.tcp.isn_reseed_interval": "0",
+      "net.inet.tcp.local_slowstart_flightsize": "8",
+      "net.inet.ip.dummynet.searches": "0",
+      "net.inet.ip.intr_queue_drops": "0",
+      "net.link.generic.system.multi_threaded_input": "1",
+      "net.inet.raw.recvspace": "8192",
+      "net.inet.ipsec.esp_trans_deflev": "1",
+      "net.key.prefered_oldsa": "0",
+      "net.local.stream.recvspace": "8192",
+      "net.inet.tcp.sockthreshold": "64",
+      "net.inet6.icmp6.nd6_umaxtries": "3",
+      "net.pstimeout": "20 20",
+      "net.inet.ip.sourceroute": "0",
+      "net.inet.ip.fw.dyn_short_lifetime": "5",
+      "net.inet.tcp.minmss": "216",
+      "net.inet6.ip6.gifhlim": "0",
+      "net.athvendorie": "1 1",
+      "net.inet.ip.check_route_selfref": "1",
+      "net.inet6.icmp6.errppslimit": "100",
+      "net.inet.tcp.mssdflt": "512",
+      "net.inet.icmp.log_redirect": "0",
+      "net.inet6.ipsec6.ah_trans_deflev": "1",
+      "net.inet6.ipsec6.esp_randpad": "-1",
+      "net.inet.icmp.drop_redirect": "0",
+      "net.inet.icmp.timestamp": "0",
+      "net.inet.ip.random_id": "1"
+    },
+    "interfaces": {
+      "vmnet1": {
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+          "UP",
+          "BROADCAST",
+          "SMART",
+          "RUNNING",
+          "SIMPLEX",
+          "MULTICAST"
+        ],
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+            "netmask": "255.255.255.0",
+            "family": "inet",
+            "address": "192.168.88.1"
+          },
+          {
+            "family": "lladdr",
+            "address": "private"
+          }
+        ],
+        "number": "1",
+        "mtu": "1500",
+        "type": "vmnet",
+        "encapsulation": "Ethernet"
+      },
+      "stf0": {
+        "flags": [
+
+        ],
+        "number": "0",
+        "mtu": "1280",
+        "type": "stf",
+        "encapsulation": "6to4"
+      },
+      "vboxnet0": {
+        "flags": [
+          "BROADCAST",
+          "RUNNING",
+          "SIMPLEX",
+          "MULTICAST"
+        ],
+        "addresses": [
+          {
+            "family": "lladdr",
+            "address": "private"
+          }
+        ],
+        "number": "0",
+        "mtu": "1500",
+        "type": "vboxnet",
+        "encapsulation": "Ethernet"
+      },
+      "lo0": {
+        "flags": [
+          "UP",
+          "LOOPBACK",
+          "RUNNING",
+          "MULTICAST"
+        ],
+        "addresses": [
+          {
+            "scope": "Link",
+            "prefixlen": "64",
+            "family": "inet6",
+            "address": "fe80::1"
+          },
+          {
+            "netmask": "255.0.0.0",
+            "family": "inet",
+            "address": "127.0.0.1"
+          },
+          {
+            "scope": "Node",
+            "prefixlen": "128",
+            "family": "inet6",
+            "address": "::1"
+          },
+          {
+            "scope": "Node",
+            "prefixlen": "128",
+            "family": "inet6",
+            "address": "private"
+          }
+        ],
+        "number": "0",
+        "mtu": "16384",
+        "type": "lo",
+        "encapsulation": "Loopback"
+      },
+      "vboxn": {
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+            "packets": "0",
+            "collisions": "0",
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+            "carrier": 0,
+            "drop": 0,
+            "errors": "0",
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+            "drop": 0,
+            "errors": "0",
+            "overrun": 0,
+            "frame": 0,
+            "multicast": 0
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+        }
+      },
+      "gif0": {
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+          "POINTOPOINT",
+          "MULTICAST"
+        ],
+        "number": "0",
+        "mtu": "1280",
+        "type": "gif",
+        "encapsulation": "IPIP"
+      },
+      "vmnet": {
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+            "packets": "0",
+            "collisions": "0",
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+            "carrier": 0,
+            "drop": 0,
+            "errors": "0",
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+            "drop": 0,
+            "errors": "0",
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+      },
+      "vmnet8": {
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+          "UP",
+          "BROADCAST",
+          "SMART",
+          "RUNNING",
+          "SIMPLEX",
+          "MULTICAST"
+        ],
+        "addresses": [
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+            "broadcast": "192.168.237.255",
+            "netmask": "255.255.255.0",
+            "family": "inet",
+            "address": "192.168.237.1"
+          },
+          {
+            "family": "lladdr",
+            "address": "private"
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+        ],
+        "number": "8",
+        "mtu": "1500",
+        "type": "vmnet",
+        "encapsulation": "Ethernet"
+      },
+      "en0": {
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+          "UP",
+          "BROADCAST",
+          "SMART",
+          "RUNNING",
+          "SIMPLEX",
+          "MULTICAST"
+        ],
+        "addresses": [
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+            "address": "private"
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+        ],
+        "number": "0",
+        "mtu": "1500",
+        "media": {
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+
+                ]
+              }
+            },
+            {
+              "10baseT\/UTP": {
+                "options": [
+                  "half-duplex"
+                ]
+              }
+            },
+            {
+              "10baseT\/UTP": {
+                "options": [
+                  "full-duplex"
+                ]
+              }
+            },
+            {
+              "10baseT\/UTP": {
+                "options": [
+                  "full-duplex",
+                  "hw-loopback"
+                ]
+              }
+            },
+            {
+              "10baseT\/UTP": {
+                "options": [
+                  "full-duplex",
+                  "flow-control"
+                ]
+              }
+            },
+            {
+              "100baseTX": {
+                "options": [
+                  "half-duplex"
+                ]
+              }
+            },
+            {
+              "100baseTX": {
+                "options": [
+                  "full-duplex"
+                ]
+              }
+            },
+            {
+              "100baseTX": {
+                "options": [
+                  "full-duplex",
+                  "hw-loopback"
+                ]
+              }
+            },
+            {
+              "100baseTX": {
+                "options": [
+                  "full-duplex",
+                  "flow-control"
+                ]
+              }
+            },
+            {
+              "1000baseT": {
+                "options": [
+                  "full-duplex"
+                ]
+              }
+            },
+            {
+              "1000baseT": {
+                "options": [
+                  "full-duplex",
+                  "hw-loopback"
+                ]
+              }
+            },
+            {
+              "1000baseT": {
+                "options": [
+                  "full-duplex",
+                  "flow-control"
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+              }
+            },
+            {
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+
+                ]
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+
+                ]
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+          "BROADCAST",
+          "SMART",
+          "RUNNING",
+          "SIMPLEX",
+          "MULTICAST"
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+        "addresses": [
+          {
+            "scope": "Link",
+            "prefixlen": "64",
+            "family": "inet6",
+            "address": "private"
+          },
+          {
+            "broadcast": "192.168.1.255",
+            "netmask": "255.255.255.0",
+            "family": "inet",
+            "address": "192.168.1.4"
+          },
+          {
+            "family": "lladdr",
+            "address": "private"
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+        ],
+        "number": "1",
+        "mtu": "1500",
+        "media": {
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+
+                ]
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+
+                ]
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+            "packets": "7041789",
+            "collisions": "0",
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+            "carrier": 0,
+            "drop": 0,
+            "errors": "95",
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+            "drop": 0,
+            "errors": "1655893",
+            "overrun": 0,
+            "frame": 0,
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+        },
+        "arp": {
+          "192.168.1.7": "private"
+        },
+        "encapsulation": "Ethernet"
+      },
+      "fw0": {
+        "status": "inactive",
+        "flags": [
+          "UP",
+          "BROADCAST",
+          "SMART",
+          "RUNNING",
+          "SIMPLEX",
+          "MULTICAST"
+        ],
+        "addresses": [
+          {
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+            "address": "private"
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+        "number": "0",
+        "mtu": "4078",
+        "media": {
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+                "options": [
+                  "full-duplex"
+                ]
+              }
+            }
+          ],
+          "selected": [
+            {
+              "autoselect": {
+                "options": [
+                  "full-duplex"
+                ]
+              }
+            }
+          ]
+        },
+        "type": "fw",
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+          "tx": {
+            "bytes": "346",
+            "packets": "0",
+            "collisions": "0",
+            "compressed": 0,
+            "carrier": 0,
+            "drop": 0,
+            "errors": "0",
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+            "errors": "0",
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+        "encapsulation": "1394"
+      }
+    }
+  },
+  "fqdn": "local.local",
+  "ohai_time": 1240624355.08575,
+  "domain": "local",
+  "os": "darwin",
+  "platform_build": "9G55",
+  "os_version": "9.6.0",
+  "hostname": "local",
+  "macaddress": "private",
+  "languages": {
+    "ruby": {
+      "target_os": "darwin9.0",
+      "platform": "universal-darwin9.0",
+      "host_vendor": "apple",
+      "target_vendor": "apple",
+      "target_cpu": "i686",
+      "host_os": "darwin9.0",
+      "host_cpu": "i686",
+      "version": "1.8.6",
+      "host": "i686-apple-darwin9.0",
+      "target": "i686-apple-darwin9.0",
+      "release_date": "2008-03-03"
+    }
+  }
+}
diff --git a/benchmarks/ohai.ruby b/benchmarks/ohai.ruby
new file mode 100644
index 0000000..36b4297
--- /dev/null
+++ b/benchmarks/ohai.ruby
@@ -0,0 +1 @@
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"net.appletalk.routermix"=>"2000", "net.inet.tcp.tcp_lq_overflow"=>"1", "net.link.generic.system.ifcount"=>"9", "net.link.ether.inet.send_conflicting_probes"=>"1", "net.inet.tcp.background_io_enabled"=>"1", "net.inet6.ipsec6.debug"=>"0", "net.inet.tcp.win_scale_factor"=>"3", "net.key.natt_keepalive_interval"=>"20", "net.inet.tcp.msl"=>"15000", "net.inet.ip.portrange.hifirst"=>"49152", "net.inet.ipsec.ah_trans_deflev"=>"1", "net.inet.tcp.rtt_min"=>"1", "net.inet6.ip6.defmcasthlim"=>"1", "net.inet6.icmp6.nd6_prune"=>"1", "net.inet6.ip6.fw.verbose"=>"0", "net.inet.ip.portrange.lowfirst"=>"1023", "net.inet.tcp.maxseg_unacked"=>"8", "net.local.dgram.maxdgram"=>"2048", "net.key.blockacq_lifetime"=>"20", "net.inet.tcp.sack_maxholes"=>"128", "net.inet6.ip6.maxfragpackets"=>"1024", "net.inet6.ip6.use_tempaddr"=>"0", "net.athpowermode"=>"0 0", "net.inet.udp.recvspace"=>"73728", "net.inet.tcp.isn_reseed_interval"=>"0", "net.inet.tcp.local_slowstart_flightsize"=>"8", "net.inet.ip.dummynet.searches"=>"0", "net.inet.ip.intr_queue_drops"=>"0", "net.link.generic.system.multi_threaded_input"=>"1", "net.inet.raw.recvspace"=>"8192", "net.inet.ipsec.esp_trans_deflev"=>"1", "net.key.prefered_oldsa"=>"0", "net.local.stream.recvspace"=>"8192", "net.inet.tcp.sockthreshold"=>"64", "net.inet6.icmp6.nd6_umaxtries"=>"3", "net.pstimeout"=>"20 20", "net.inet.ip.sourceroute"=>"0", "net.inet.ip.fw.dyn_short_lifetime"=>"5", "net.inet.tcp.minmss"=>"216", "net.inet6.ip6.gifhlim"=>"0", "net.athvendorie"=>"1 1", "net.inet.ip.check_route_selfref"=>"1", "net.inet.icmp.log_redirect"=>"0", "net.inet6.icmp6.errppslimit"=>"100", "net.inet.tcp.mssdflt"=>"512", "net.inet.icmp.drop_redirect"=>"0", "net.inet6.ipsec6.esp_randpad"=>"-1", "net.inet6.ipsec6.ah_trans_deflev"=>"1", "net.inet.ip.random_id"=>"1", "net.inet.icmp.timestamp"=>"0"}, "interfaces"=>{"stf0"=>{"flags"=>[], "number"=>"0", "mtu"=>"1280", "type"=>"stf", "encapsulation"=>"6to4"}, "vmnet1"=>{"flags"=>["UP", "BROADCAST", "SMART", "RUNNING", "SIMPLEX", "MULTICAST"], "number"=>"1", "addresses"=>[{"broadcast"=>"192.168.88.255", "netmask"=>"255.255.255.0", "family"=>"inet", "address"=>"192.168.88.1"}, {"family"=>"lladdr", "address"=>"private"}], "mtu"=>"1500", "type"=>"vmnet", "encapsulation"=>"Ethernet"}, "vboxnet0"=>{"flags"=>["BROADCAST", "RUNNING", "SIMPLEX", "MULTICAST"], "number"=>"0", "addresses"=>[{"family"=>"lladdr", "address"=>"private"}], "mtu"=>"1500", "type"=>"vboxnet", "encapsulation"=>"Ethernet"}, "lo0"=>{"flags"=>["UP", "LOOPBACK", "RUNNING", "MULTICAST"], "number"=>"0", "addresses"=>[{"scope"=>"Link", "prefixlen"=>"64", "family"=>"inet6", "address"=>"fe80::1"}, {"netmask"=>"255.0.0.0", "family"=>"inet", "address"=>"127.0.0.1"}, {"scope"=>"Node", "prefixlen"=>"128", "family"=>"inet6", "address"=>"::1"}, {"scope"=>"Node", "prefixlen"=>"128", "family"=>"inet6", "address"=>"private"}], "mtu"=>"16384", "type"=>"lo", "encapsulation"=>"Loopback"}, "vboxn"=>{"counters"=>{"tx"=>{"packets"=>"0", "bytes"=>"0", "compressed"=>0, "collisions"=>"0", "carrier"=>0, "errors"=>"0", "drop"=>0, "overrun"=>0}, "rx"=>{"packets"=>"0", "bytes"=>"0", "compressed"=>0, "errors"=>"0", "drop"=>0, "overrun"=>0, "multicast"=>0, "frame"=>0}}}, "gif0"=>{"flags"=>["POINTOPOINT", "MULTICAST"], "number"=>"0", "mtu"=>"1280", "type"=>"gif", "encapsulation"=>"IPIP"}, "vmnet"=>{"counters"=>{"tx"=>{"packets"=>"0", "bytes"=>"0", "compressed"=>0, "collisions"=>"0", "carrier"=>0, "errors"=>"0", "drop"=>0, "overrun"=>0}, "rx"=>{"packets"=>"0", "bytes"=>"0", "compressed"=>0, "errors"=>"0", "drop"=>0, "overrun"=>0, "multicast"=>0, "frame"=>0}}}, "en0"=>{"flags"=>["UP", "BROADCAST", "SMART", "RUNNING", "SIMPLEX", "MULTICAST"], "status"=>"inactive", "number"=>"0", "addresses"=>[{"family"=>"lladdr", "address"=>"private"}], "mtu"=>"1500", "type"=>"en", "media"=>{"supported"=>[{"autoselect"=>{"options"=>[]}}, {"10baseT/UTP"=>{"options"=>["half-duplex"]}}, {"10baseT/UTP"=>{"options"=>["full-duplex"]}}, {"10baseT/UTP"=>{"options"=>["full-duplex", "hw-loopback"]}}, {"10baseT/UTP"=>{"options"=>["full-duplex", "flow-control"]}}, {"100baseTX"=>{"options"=>["half-duplex"]}}, {"100baseTX"=>{"options"=>["full-duplex"]}}, {"100baseTX"=>{"options"=>["full-duplex", "hw-loopback"]}}, {"100baseTX"=>{"options"=>["full-duplex", "flow-control"]}}, {"1000baseT"=>{"options"=>["full-duplex"]}}, {"1000baseT"=>{"options"=>["full-duplex", "hw-loopback"]}}, {"1000baseT"=>{"options"=>["full-duplex", "flow-control"]}}, {"none"=>{"options"=>[]}}], "selected"=>[{"autoselect"=>{"options"=>[]}}]}, "counters"=>{"tx"=>{"packets"=>"0", "bytes"=>"342", "compressed"=>0, "collisions"=>"0", "carrier"=>0, "errors"=>"0", "drop"=>0, "overrun"=>0}, "rx"=>{"packets"=>"0", "bytes"=>"0", "compressed"=>0, "errors"=>"0", "drop"=>0, "overrun"=>0, "multicast"=>0, "frame"=>0}}, "encapsulation"=>"Ethernet"}, "vmnet8"=>{"flags"=>["UP", "BROADCAST", "SMART", "RUNNING", "SIMPLEX", "MULTICAST"], "number"=>"8", "addresses"=>[{"broadcast"=>"192.168.237.255", "netmask"=>"255.255.255.0", "family"=>"inet", "address"=>"192.168.237.1"}, {"family"=>"lladdr", "address"=>"private"}], "mtu"=>"1500", "type"=>"vmnet", "encapsulation"=>"Ethernet"}, "en1"=>{"flags"=>["UP", "BROADCAST", "SMART", "RUNNING", "SIMPLEX", "MULTICAST"], "status"=>"active", "number"=>"1", "addresses"=>[{"scope"=>"Link", "prefixlen"=>"64", "family"=>"inet6", "address"=>"private"}, {"broadcast"=>"192.168.1.255", "netmask"=>"255.255.255.0", "family"=>"inet", "address"=>"192.168.1.4"}, {"family"=>"lladdr", "address"=>"private"}], "mtu"=>"1500", "type"=>"en", "media"=>{"supported"=>[{"autoselect"=>{"options"=>[]}}], "selected"=>[{"autoselect"=>{"options"=>[]}}]}, "counters"=>{"tx"=>{"packets"=>"7041789", "bytes"=>"449206298", "compressed"=>0, "collisions"=>"0", "carrier"=>0, "errors"=>"95", "drop"=>0, "overrun"=>0}, "rx"=>{"packets"=>"19966002", "bytes"=>"13673879120", "compressed"=>0, "errors"=>"1655893", "drop"=>0, "overrun"=>0, "multicast"=>0, "frame"=>0}}, "encapsulation"=>"Ethernet", "arp"=>{"192.168.1.7"=>"private"}}, "fw0"=>{"flags"=>["UP", "BROADCAST", "SMART", "RUNNING", "SIMPLEX", "MULTICAST"], "status"=>"inactive", "number"=>"0", "addresses"=>[{"family"=>"lladdr", "address"=>"private"}], "mtu"=>"4078", "type"=>"fw", "media"=>{"supported"=>[{"autoselect"=>{"options"=>["full-duplex"]}}], "selected"=>[{"autoselect"=>{"options"=>["full-duplex"]}}]}, "counters"=>{"tx"=>{"packets"=>"0", "bytes"=>"346", "compressed"=>0, "collisions"=>"0", "carrier"=>0, "errors"=>"0", "drop"=>0, "overrun"=>0}, "rx"=>{"packets"=>"0", "bytes"=>"0", "compressed"=>0, "errors"=>"0", "drop"=>0, "overrun"=>0, "multicast"=>0, "frame"=>0}}, "encapsulation"=>"1394"}}}, "os"=>"darwin", "domain"=>"local", "ohai_time"=>1240624355.08575, "platform_build"=>"9G55", "os_version"=>"9.6.0", "hostname"=>"local", "languages"=>{"ruby"=>{"target_os"=>"darwin9.0", "platform"=>"universal-darwin9.0", "host_vendor"=>"apple", "target_cpu"=>"i686", "target_vendor"=>"apple", "host_os"=>"darwin9.0", "version"=>"1.8.6", "host_cpu"=>"i686", "host"=>"i686-apple-darwin9.0", "release_date"=>"2008-03-03", "target"=>"i686-apple-darwin9.0"}}, "macaddress"=>"private"}
diff --git a/benchmarks/parser2_benchmark.rb b/benchmarks/parser2_benchmark.rb
new file mode 100755
index 0000000..4dc6596
--- /dev/null
+++ b/benchmarks/parser2_benchmark.rb
@@ -0,0 +1,234 @@
+#!/usr/bin/env ruby
+# CODING: UTF-8
+
+require 'rbconfig'
+RUBY_PATH=File.join(Config::CONFIG['bindir'], Config::CONFIG['ruby_install_name'])
+RAKE_PATH=File.join(Config::CONFIG['bindir'], 'rake')
+require 'bullshit'
+case ARGV.first
+when 'ext'
+  require 'json/ext'
+when 'pure'
+  require 'json/pure'
+when 'yaml'
+  require 'yaml'
+  require 'json/pure'
+when 'rails'
+  require 'active_support'
+  require 'json/pure'
+when 'yajl'
+  require 'yajl'
+  require 'json/pure'
+else
+  require 'json/pure'
+end
+
+module Parser2BenchmarkCommon
+  include JSON
+
+  def setup
+    @big = @json = File.read(File.join(File.dirname(__FILE__), 'ohai.json'))
+  end
+
+  def generic_reset_method
+    @result == @big or raise "not equal"
+  end
+end
+
+class Parser2BenchmarkExt < Bullshit::RepeatCase
+  include Parser2BenchmarkCommon
+
+  warmup      yes
+  iterations  1000
+
+  truncate_data do
+    alpha_level 0.05
+    window_size 50
+    slope_angle 0.1
+  end
+
+  autocorrelation do
+    alpha_level 0.05
+    max_lags    50
+    file        yes
+  end
+
+  output_dir File.join(File.dirname(__FILE__), 'data')
+  output_filename benchmark_name + '.log'
+  data_file yes
+  histogram yes
+
+  def benchmark_parser
+    @result = JSON.parse(@json)
+  end
+
+  alias reset_parser generic_reset_method
+end
+
+class Parser2BenchmarkPure < Bullshit::RepeatCase
+  include Parser2BenchmarkCommon
+
+  warmup      yes
+  iterations  1000
+
+  truncate_data do
+    alpha_level 0.05
+    window_size 50
+    slope_angle 0.1
+  end
+
+  autocorrelation do
+    alpha_level 0.05
+    max_lags    50
+    file        yes
+  end
+
+  output_dir File.join(File.dirname(__FILE__), 'data')
+  output_filename benchmark_name + '.log'
+  data_file yes
+  histogram yes
+
+  def benchmark_parser
+    @result = JSON.parse(@json)
+  end
+
+  alias reset_parser generic_reset_method
+end
+
+class Parser2BenchmarkYAML < Bullshit::RepeatCase
+  warmup      yes
+  iterations  1000
+
+  truncate_data do
+    alpha_level 0.05
+    window_size 50
+    slope_angle 0.1
+  end
+
+  autocorrelation do
+    alpha_level 0.05
+    max_lags    50
+    file        yes
+  end
+
+  output_dir File.join(File.dirname(__FILE__), 'data')
+  output_filename benchmark_name + '.log'
+  data_file yes
+  histogram yes
+
+  def setup
+    @big = @json = File.read(File.join(File.dirname(__FILE__), 'ohai.json'))
+  end
+
+  def benchmark_parser
+    @result = YAML.load(@json)
+  end
+
+  def generic_reset_method
+    @result == @big or raise "not equal"
+  end
+end
+
+class Parser2BenchmarkRails < Bullshit::RepeatCase
+  warmup      yes
+  iterations  1000
+
+  truncate_data do
+    alpha_level 0.05
+    window_size 50
+    slope_angle 0.1
+  end
+
+  autocorrelation do
+    alpha_level 0.05
+    max_lags    50
+    file        yes
+  end
+
+  output_dir File.join(File.dirname(__FILE__), 'data')
+  output_filename benchmark_name + '.log'
+  data_file yes
+  histogram yes
+
+  def setup
+    a = [ nil, false, true, "fÖß\nÄr", [ "n€st€d", true ], { "fooß" => "bär", "qu\r\nux" => true } ]
+    @big = a * 100
+    @json = JSON.generate(@big)
+  end
+
+  def benchmark_parser
+    @result = ActiveSupport::JSON.decode(@json)
+  end
+
+  def generic_reset_method
+    @result == @big or raise "not equal"
+  end
+end
+
+class Parser2BenchmarkYajl < Bullshit::RepeatCase
+  warmup      yes
+  iterations  1000
+
+  truncate_data do
+    alpha_level 0.05
+    window_size 50
+    slope_angle 0.1
+  end
+
+  autocorrelation do
+    alpha_level 0.05
+    max_lags    50
+    file        yes
+  end
+
+  output_dir File.join(File.dirname(__FILE__), 'data')
+  output_filename benchmark_name + '.log'
+  data_file yes
+  histogram yes
+
+  def setup
+    @big = @json = File.read(File.join(File.dirname(__FILE__), 'ohai.json'))
+  end
+
+  def benchmark_parser
+    @result = Yajl::Parser.new.parse(@json)
+  end
+
+  def generic_reset_method
+    @result == @big or raise "not equal"
+  end
+end
+
+if $0 == __FILE__
+  Bullshit::Case.autorun false
+
+  case ARGV.first
+  when 'ext'
+    Parser2BenchmarkExt.run
+  when 'pure'
+    Parser2BenchmarkPure.run
+  when 'yaml'
+    Parser2BenchmarkYAML.run
+  when 'rails'
+    Parser2BenchmarkRails.run
+  when 'yajl'
+    Parser2BenchmarkYajl.run
+  else
+    system "#{RAKE_PATH} clean"
+    #system "#{RUBY_PATH} #$0 yaml"
+    #system "#{RUBY_PATH} #$0 rails"
+    #system "#{RUBY_PATH} #$0 pure"
+    system "#{RAKE_PATH} compile_ext"
+    system "#{RUBY_PATH} #$0 ext"
+    system "#{RUBY_PATH} #$0 yajl"
+    Bullshit.compare do
+      output_filename File.join(File.dirname(__FILE__), 'data', 'Parser2BenchmarkComparison.log')
+
+      benchmark Parser2BenchmarkExt,   :parser, :load => yes
+      #benchmark Parser2BenchmarkPure,  :parser, :load => yes
+      #benchmark Parser2BenchmarkYAML,  :parser, :load => yes
+      #benchmark Parser2BenchmarkRails, :parser, :load => yes
+      benchmark Parser2BenchmarkYajl,  :parser, :load => yes
+    end
+  end
+end