$ ./hpricot_vs_nokogiri.rb 
      user     system      total        real
hpricot:doc  0.230000   0.010000   0.240000 (  0.265904)
nokogiri:doc  0.030000   0.010000   0.040000 (  0.041641)
      user     system      total        real
hpricot:xpath  1.050000   0.020000   1.070000 (  1.114454)
nokogiri:xpath  0.210000   0.010000   0.220000 (  0.226418)
      user     system      total        real
hpricot:css  1.140000   0.030000   1.170000 (  1.339635)
nokogiri:css  0.700000   0.010000   0.710000 (  0.835559)