gistfile1.txt

[] ~/projects/oga $ jruby -Xcompile.invokedynamic=true -Xjit.threshold=0 -Ilib benchmark/xpath/evaluator/node_matches_bench.rb 
Calculating -------------------------------------
           name only    80.126k i/100ms
       name wildcard   157.592k i/100ms
    name + namespace   115.770k i/100ms
  namespace wildcard   188.243k i/100ms
-------------------------------------------------
           name only      3.045M (±14.7%) i/s -     14.343M
       name wildcard      4.637M (± 9.7%) i/s -     23.008M
    name + namespace      2.901M (± 9.6%) i/s -     14.471M
  namespace wildcard      4.587M (± 8.5%) i/s -     22.777M

Comparison:
       name wildcard:  4637272.6 i/s
  namespace wildcard:  4586664.0 i/s - 1.01x slower
           name only:  3045237.8 i/s - 1.52x slower
    name + namespace:  2900736.1 i/s - 1.60x slower


[] ~/projects/oga $ vi lib/oga/xpath/evaluator.rb 

[] ~/projects/oga $ jruby -Xcompile.invokedynamic=true -Xjit.threshold=0 -Ilib benchmark/xpath/evaluator/node_matches_bench.rb 
Calculating -------------------------------------
           name only    87.032k i/100ms
       name wildcard   176.864k i/100ms
    name + namespace   137.484k i/100ms
  namespace wildcard   205.633k i/100ms
-------------------------------------------------
           name only      3.510M (±13.8%) i/s -     16.536M
       name wildcard      5.254M (± 9.8%) i/s -     25.999M
    name + namespace      3.098M (± 9.2%) i/s -     15.398M
  namespace wildcard      4.611M (± 9.6%) i/s -     22.825M

Comparison:
       name wildcard:  5254166.9 i/s
  namespace wildcard:  4610987.7 i/s - 1.14x slower
           name only:  3510286.7 i/s - 1.50x slower
    name + namespace:  3098034.3 i/s - 1.70x slower


[] ~/projects/oga $ rvm ruby-2.2 do ruby -Ilib benchmark/xpath/evaluator/node_matches_bench.rb 
Calculating -------------------------------------
           name only    38.475k i/100ms
       name wildcard    44.344k i/100ms
    name + namespace    34.764k i/100ms
  namespace wildcard    40.667k i/100ms
-------------------------------------------------
           name only    753.301k (± 7.2%) i/s -      3.771M
       name wildcard    949.054k (± 7.7%) i/s -      4.745M
    name + namespace    713.359k (± 5.8%) i/s -      3.581M
  namespace wildcard    969.086k (± 7.4%) i/s -      4.839M

Comparison:
  namespace wildcard:   969086.1 i/s
       name wildcard:   949053.7 i/s - 1.02x slower
           name only:   753301.5 i/s - 1.29x slower
    name + namespace:   713359.1 i/s - 1.36x slower