Re-organized/cleaned up the benchmarks directory.

benchmark/xml/parser/big_xml_time.rb

@@ -1,10 +0,0 @@
-require_relative '../../benchmark_helper'
-
-xml    = read_big_xml
-parser = Oga::XML::Parser.new(xml)
-
-Benchmark.bmbm(10) do |bench|
-  bench.report '10MB of XML' do
-    parser.parse
-  end
-end

benchmark/xml/parser/parser_bench.rb

@@ -0,0 +1,13 @@
+require_relative '../../benchmark_helper'
+
+xml = read_big_xml
+
+Benchmark.ips do |bench|
+  bench.report '10MB as a String' do
+    Oga::XML::Parser.new(xml).parse
+  end
+
+  bench.report '10MB as an IO' do
+    Oga::XML::Parser.new(big_xml_file).parse
+  end
+end