Benchmark with cache that supports read-multi

Benchmark results:
{
  "commit_hash": "461ba7a",
  "version": "0.10.0",
  "rails_version": "4.2.6",
  "benchmark_run[environment]": "2.2.3p173",
  "runs": [
    {
      "benchmark_type[category]": "caching on: caching serializers: gc off",
      "benchmark_run[result][iterations_per_second]": 672.108,
      "benchmark_run[result][total_allocated_objects_per_iteration]": 1344
    },
    {
      "benchmark_type[category]": "caching on: fragment caching serializers: gc off",
      "benchmark_run[result][iterations_per_second]": 498.769,
      "benchmark_run[result][total_allocated_objects_per_iteration]": 1779
    },
    {
      "benchmark_type[category]": "caching on: non-caching serializers: gc off",
      "benchmark_run[result][iterations_per_second]": 970.039,
      "benchmark_run[result][total_allocated_objects_per_iteration]": 1230
    },
    {
      "benchmark_type[category]": "caching off: caching serializers: gc off",
      "benchmark_run[result][iterations_per_second]": 588.077,
      "benchmark_run[result][total_allocated_objects_per_iteration]": 1344
    },
    {
      "benchmark_type[category]": "caching off: fragment caching serializers: gc off",
      "benchmark_run[result][iterations_per_second]": 450.344,
      "benchmark_run[result][total_allocated_objects_per_iteration]": 1779
    },
    {
      "benchmark_type[category]": "caching off: non-caching serializers: gc off",
      "benchmark_run[result][iterations_per_second]": 856.79,
      "benchmark_run[result][total_allocated_objects_per_iteration]": 1230
    }
  ]
}

Author: bf4

.travis.yml

@@ -13,7 +13,7 @@ rvm:
 jdk:
   - oraclejdk8
 
-install: bundle install --path=vendor/bundle --retry=3 --jobs=3
+install: bundle install --path=vendor/bundle --retry=3 --jobs=3 --without bench
 cache:
   directories:
     - vendor/bundle

Gemfile

@@ -39,6 +39,11 @@ gem 'tzinfo-data', platforms: (@windows_platforms + [:jruby])
 group :bench do
   # https://github.com/rails-api/active_model_serializers/commit/cb4459580a6f4f37f629bf3185a5224c8624ca76
   gem 'benchmark-ips', require: false, group: :development
+  gem 'oj'
+  gem 'oj_mimic_json'
+  gem 'redis', require: false
+  gem 'readthis', require: false
+  gem 'hiredis', require: false
 end
 
 group :test do

test/benchmark/app.rb

@@ -36,7 +36,16 @@ class BenchmarkApp < Rails::Application
   config.cache_classes = true
   # CONFIG: CACHE_ON={on,off}
   config.action_controller.perform_caching = ENV['CACHE_ON'] != 'off'
-  config.action_controller.cache_store = ActiveSupport::Cache.lookup_store(:memory_store)
+  # config.action_controller.cache_store = ActiveSupport::Cache.lookup_store(:memory_store)
+  require 'redis'
+  require 'readthis'
+  ENV['REDIS_URL'] = 'redis://localhost:6379/5'
+  config.action_controller.cache_store = :readthis_store, {
+    expires_in: 2.weeks.to_i,
+    namespace: 'cache',
+    redis: { url: ENV.fetch('REDIS_URL'), driver: :hiredis }
+  }
+
 
   config.active_support.test_order = :random
   config.secret_token = 'S' * 30

test/benchmark/fixtures.rb

@@ -48,13 +48,13 @@ class CachingHasOneRelationshipSerializer < HasOneRelationshipSerializer
 Rails.configuration.serializers << CachingHasOneRelationshipSerializer
 
 class CachingHasManyRelationshipSerializer < HasManyRelationshipSerializer
-  cache expires_in: 1.day, skip_digest: true
+  cache expires_in: 1.day.to_i, skip_digest: true
 end
 Rails.configuration.serializers << CachingHasManyRelationshipSerializer
 
 # see https://github.com/rails-api/active_model_serializers/pull/1690/commits/68715b8f99bc29677e8a47bb3f305f23c077024b#r60344532
 class CachingPrimaryResourceSerializer < ActiveModel::Serializer
-  cache key: 'primary_resource', expires_in: 0.1, skip_digest: true
+  cache key: 'primary_resource', expires_in: 1.day.to_i, skip_digest: true
 
   attributes :id, :title, :body
 
@@ -89,7 +89,7 @@ class FragmentCachingHasManyRelationshipSerializer < HasManyRelationshipSerializ
 
 # see https://github.com/rails-api/active_model_serializers/pull/1690/commits/68715b8f99bc29677e8a47bb3f305f23c077024b#r60344532
 class FragmentCachingPrimaryResourceSerializer < ActiveModel::Serializer
-  cache key: 'primary_resource', expires_in: 0.1, skip_digest: true
+  cache key: 'primary_resource', expires_in: 1.day.to_i, skip_digest: true
 
   attributes :id, :title, :body