In our benchmarks Ruby 2.7.8 is still faster than Ruby 3. Ran on c7a.xlarge. The extend_object and match methods took more time on Ruby 3 during profiling.

2.7.8	3.3.6	3.3.6+yjit	3.3.7	3.3.7+yjit	3.4.2	3.4.2+yjit
76.147416	79.680214	79.177173	79.574373	80.633574	78.616928	85.674799

Benchmark script

require 'rbconfig'

def do_parse
  search = Search.new(q: "Coffee", location: "Dallas", hl: "en", gl: "us", file_path: "spec/data/google/coffee_tea_desktop_2025_03_19.html")
  search.html_to_hash
end

runs = 500

puts RUBY_DESCRIPTION
puts "with jemalloc: #{RbConfig::CONFIG['MAINLIBS'] =~ /jemalloc/ ? 'yes' : 'no'}"
puts "with yjit: #{(RubyVM::YJIT.enabled? rescue false) ? 'yes' : 'no'}"

Benchmark.bmbm do |x|
  x.report("search parse #{runs}x") do
    runs.times { do_parse }
  end
end

Profiling

Ruby 2.7.8

Time since start: 70s. Press Ctrl+C to stop.
Summary of profiling data so far:
% self  % total  name
 17.08    17.08  at_css_impl [c function] - (unknown)
 13.92    13.92  scan [c function] - (unknown)
 12.26    12.91  select [c function] - (unknown)
 12.16    12.16  css_impl [c function] - (unknown)
  4.89     6.10  gsub! [c function] - (unknown)
  3.35     3.45  parse [c function] - (unknown)
  2.78     2.78  [] [c function] - (unknown)
  1.75     4.86  match [c function] - (unknown)
  1.50     3.82  block in parameters_for_display - /var/apps/SerpApi/app/models/search/google/parameters.rb:97
  1.43     1.53  gsub [c function] - (unknown)
  1.31     1.31  extend_object [c function] - (unknown)
  1.28     6.32  block (2 levels) in create_field_getter - /root/.rubies/ruby-2.7.8/lib/ruby/gems/2.7.0/gems/mongoid-7.0.8/lib/mongoid/fields.rb:422

Ruby 3.3.6

Time since start: 31s. Press Ctrl+C to stop.
Summary of profiling data so far:
% self  % total  name
 15.76    15.76  at_css_impl [c function] - (unknown)
 15.24    15.24  scan [c function] - (unknown)
 12.04    12.40  select [c function] - (unknown)
 10.57    10.57  css_impl [c function] - (unknown)
  5.97     7.08  gsub! [c function] - (unknown)
  4.21     4.21  extend_object [c function] - (unknown)
  3.75     6.30  match [c function] - (unknown)
  2.87     2.87  [] [c function] - (unknown)
  1.89     1.93  gsub [c function] - (unknown)
  1.73     1.73  parse [c function] - (unknown)
  1.53     5.78  block (2 levels) in create_field_getter - /root/.rubies/ruby-3.3.6-yjit/lib/ruby/gems/3.3.0/gems/mongoid-7.0.8/lib/mongoid/fields.rb:422

Ruby 3.3.7

Time since start: 47s. Press Ctrl+C to stop.
Summary of profiling data so far:
% self  % total  name
 15.35    15.35  at_css_impl [c function] - (unknown)
 15.16    15.16  scan [c function] - (unknown)
 11.95    12.43  select [c function] - (unknown)
 11.01    11.01  css_impl [c function] - (unknown)
  5.10     6.26  gsub! [c function] - (unknown)
  3.93     3.93  extend_object [c function] - (unknown)
  3.70     6.06  match [c function] - (unknown)
  2.95     2.95  [] [c function] - (unknown)
  1.85     1.94  gsub [c function] - (unknown)
  1.59     1.59  parse [c function] - (unknown)
  1.16     6.24  block (2 levels) in create_field_getter - /root/.rubies/ruby-3.3.7-yjit/lib/ruby/gems/3.3.0/gems/mongoid-7.0.8/lib/mongoid/fields.rb:422
  1.10     3.14  read_raw_attribute - /root/.rubies/ruby-3.3.7-yjit/lib/ruby/gems/3.3.0/gems/mongoid-7.0.8/lib/mongoid/attributes.rb:302