Commits on Aug 8, 2021

1. Use rb_enc_get() to retrieve encoding type …

   To reduce overhead, this patch use `rb_enc_get()` instead.
   
   −               | before   | after    | result
   --               | --       | --       | --
   Oj.dump          | 1.319M   | 1.336M   | -
   Oj.dump (compat) | 948.393k | 1.125M   | 1.19x
   Oj.dump (rails)  | 815.509k | 943.996k | 1.16x
   
   ### Environment
   - MacBook Air (M1, 2020)
   - macOS 12.0 beta 4
   - Apple M1
   - Ruby 3.0.2
   
   ### Before
   ```
   Warming up --------------------------------------
                Oj.dump   131.400k i/100ms
       Oj.dump (compat)    94.239k i/100ms
        Oj.dump (rails)    79.788k i/100ms
   Calculating -------------------------------------
                Oj.dump      1.319M (± 0.7%) i/s -      6.701M in   5.080504s
       Oj.dump (compat)    948.393k (± 0.9%) i/s -      4.806M in   5.068098s
        Oj.dump (rails)    815.509k (± 0.8%) i/s -      4.149M in   5.087955s
   ```
   
   ### After
   ```
   Warming up --------------------------------------
                Oj.dump   133.596k i/100ms
       Oj.dump (compat)   113.563k i/100ms
        Oj.dump (rails)    95.233k i/100ms
   Calculating -------------------------------------
                Oj.dump      1.336M (± 1.0%) i/s -      6.680M in   5.000748s
       Oj.dump (compat)      1.125M (± 0.9%) i/s -      5.678M in   5.046279s
        Oj.dump (rails)    943.996k (± 0.8%) i/s -      4.762M in   5.044464s
   ```
   
   ### Test code
   ```ruby
   require 'benchmark/ips'
   require 'oj'
   
   json =<<-EOF
   {
     "$id": "https://example.com/person.schema.json",
     "$schema": "https://json-schema.org/draft/2020-12/schema",
     "title": "Person",
     "type": "object",
     "properties": {
       "firstName": {
         "type": "string",
         "description": "The person's first name."
       },
       "lastName": {
         "type": "string",
         "description": "The person's last name."
       },
       "age": {
         "description": "Age in years which must be equal to or greater than zero.",
         "type": "integer",
         "minimum": 0
       }
     }
   }
   EOF
   
   Benchmark.ips do |x|
     data = Oj.load(json)
     x.report('Oj.dump') { Oj.dump(data) }
     x.report('Oj.dump (compat)') { Oj.dump(data, mode: :compat) }
     x.report('Oj.dump (rails)') { Oj.dump(data, mode: :rails) }
   end
   ```

   

   Watson1978 committed Aug 8, 2021
   Copy the full SHA

   28731bb View commit details

   Browse the repository at this point in the history