$ ruby -v
ruby 3.1.2p20 (2022-04-12 revision 4491bb740a) [x86_64-darwin21]
$ bundle exec ruby benchmark/parse_table.rb
Warming up --------------------------------------
SqlParser.parse_tables
3.315k i/100ms
RuboCop::Isucon::GDA::Client#table_names
31.000 i/100ms
Calculating -------------------------------------
SqlParser.parse_tables
31.672k (± 7.5%) i/s - 159.120k in 5.056991s
RuboCop::Isucon::GDA::Client#table_names
418.846 (± 9.8%) i/s - 2.077k in 5.023313s
Comparison:
SqlParser.parse_tables: 31671.6 i/s
RuboCop::Isucon::GDA::Client#table_names: 418.8 i/s - 75.62x (± 0.00) slower$ ruby -v
ruby 3.1.2p20 (2022-04-12 revision 4491bb740a) [x86_64-darwin21]
$ bundle exec ruby benchmark/memorize.rb
Warming up --------------------------------------
DefineMethodWithInstanceVariableMemorizer
79.346k i/100ms
DefineMethodWithHashMemorizer
158.601k i/100ms
ClassEvalMemorizer 497.389k i/100ms
Calculating -------------------------------------
DefineMethodWithInstanceVariableMemorizer
701.502k (±13.8%) i/s - 3.491M in 5.087557s
DefineMethodWithHashMemorizer
1.549M (± 2.3%) i/s - 7.771M in 5.018555s
ClassEvalMemorizer 4.866M (± 8.1%) i/s - 24.372M in 5.061882s
Comparison:
ClassEvalMemorizer: 4865569.7 i/s
DefineMethodWithHashMemorizer: 1549386.5 i/s - 3.14x (± 0.00) slower
DefineMethodWithInstanceVariableMemorizer: 701502.0 i/s - 6.94x (± 0.00) slower$ ruby -v
ruby 3.1.2p20 (2022-04-12 revision 4491bb740a) [x86_64-darwin21]
$ bundle exec ruby benchmark/shell.rb
Warming up --------------------------------------
digest_with_shell_openssl
4.000 i/100ms
digest_with_ruby_openssl
36.540k i/100ms
Calculating -------------------------------------
digest_with_shell_openssl
92.458 (±22.7%) i/s - 424.000 in 4.985251s
digest_with_ruby_openssl
453.025k (±10.1%) i/s - 2.265M in 5.057335s
Comparison:
digest_with_ruby_openssl: 453024.6 i/s
digest_with_shell_openssl: 92.5 i/s - 4899.78x (± 0.00) slower