hanami-controller memory profile for Hanami::Action inheritance (with hanami-controller 2.0.0.beta4 and dry-configurable 0.16.1)

hanami-action-profile-2.0.0.beta4.txt

# Running TIMES=10000 be ruby benchmarks/memory_profile_action.rb

Total allocated: 32766232 bytes (90004 objects)
Total retained:  32766232 bytes (90004 objects)

allocated memory by gem
-----------------------------------
  21486072  other
  10880120  dry-configurable-0.16.1
    400040  3.1.2/lib

allocated memory by file
-----------------------------------
  21486072  benchmarks/memory_profile_action_temp.rb
   9280000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/settings.rb
   1200080  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb
    400040  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0/set.rb
    400040  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/class_methods.rb

allocated memory by location
-----------------------------------
  21486072  benchmarks/memory_profile_action_temp.rb:10
   9280000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/settings.rb:52
    400000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0/set.rb:288
    400000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/class_methods.rb:16
    400000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:193
    400000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:37
    400000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:42
        40  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0/set.rb:246
        40  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/class_methods.rb:82
        40  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:27
        40  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:30

allocated memory by class
-----------------------------------
  21086072  Class
  10080080  Hash
    400040  Hanami::Action::Config
    400040  Set
    400000  <<Unknown>>
    400000  Dry::Configurable::Settings

allocated objects by gem
-----------------------------------
     50003  dry-configurable-0.16.1
     30000  other
     10001  3.1.2/lib

allocated objects by file
-----------------------------------
     30002  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb
     30000  benchmarks/memory_profile_action_temp.rb
     10001  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0/set.rb
     10001  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/class_methods.rb
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/settings.rb

allocated objects by location
-----------------------------------
     30000  benchmarks/memory_profile_action_temp.rb:10
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0/set.rb:288
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/class_methods.rb:16
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:193
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:37
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:42
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/settings.rb:52
         1  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0/set.rb:246
         1  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/class_methods.rb:82
         1  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:27
         1  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:30

allocated objects by class
-----------------------------------
     30002  Hash
     20000  Class
     10001  Hanami::Action::Config
     10001  Set
     10000  <<Unknown>>
     10000  Dry::Configurable::Settings

retained memory by gem
-----------------------------------
  21486072  other
  10880120  dry-configurable-0.16.1
    400040  3.1.2/lib

retained memory by file
-----------------------------------
  21486072  benchmarks/memory_profile_action_temp.rb
   9280000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/settings.rb
   1200080  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb
    400040  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0/set.rb
    400040  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/class_methods.rb

retained memory by location
-----------------------------------
  21486072  benchmarks/memory_profile_action_temp.rb:10
   9280000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/settings.rb:52
    400000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0/set.rb:288
    400000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/class_methods.rb:16
    400000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:193
    400000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:37
    400000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:42
        40  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0/set.rb:246
        40  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/class_methods.rb:82
        40  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:27
        40  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:30

retained memory by class
-----------------------------------
  21086072  Class
  10080080  Hash
    400040  Hanami::Action::Config
    400040  Set
    400000  <<Unknown>>
    400000  Dry::Configurable::Settings

retained objects by gem
-----------------------------------
     50003  dry-configurable-0.16.1
     30000  other
     10001  3.1.2/lib

retained objects by file
-----------------------------------
     30002  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb
     30000  benchmarks/memory_profile_action_temp.rb
     10001  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0/set.rb
     10001  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/class_methods.rb
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/settings.rb

retained objects by location
-----------------------------------
     30000  benchmarks/memory_profile_action_temp.rb:10
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0/set.rb:288
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/class_methods.rb:16
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:193
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:37
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:42
     10000  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/settings.rb:52
         1  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0/set.rb:246
         1  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/class_methods.rb:82
         1  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:27
         1  /Users/tim/.asdf/installs/ruby/3.1.2/lib/ruby/gems/3.1.0/gems/dry-configurable-0.16.1/lib/dry/configurable/config.rb:30

retained objects by class
-----------------------------------
     30002  Hash
     20000  Class
     10001  Hanami::Action::Config
     10001  Set
     10000  <<Unknown>>
     10000  Dry::Configurable::Settings

This is the "after" profile. See https://gist.github.com/timriley/6c512c100c179070c673afc578618386 for the "before" profile.

Here's the resulting r10k comparison:

And if we change the generated Rails app to use one controller class per action (instead of a single class containing 10,000 action methods):