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require 'bundler'
require 'benchmark'
require 'lru'
require 'lru_cache'
require 'threadsafe-lru'
Bundler.require
# Lru
lru = Cache::LRU.new(max_elements: 1_000)
# LruCache
lru_cache = LRUCache.new(1_000)
# ThreadSafeLru
thread_safe_lru = ThreadSafeLru::LruCache.new(1_000)
# LruRedux
redux = LruRedux::Cache.new(1_000)
redux_thread_safe = LruRedux::ThreadSafeCache.new(1_000)
puts "** LRU Benchmarks **"
Benchmark.bmbm do |bm|
bm.report 'ThreadSafeLru' do
1_000_000.times { thread_safe_lru.get(rand(2_000)) { :value } }
end
bm.report 'LRU' do
1_000_000.times { lru[rand(2_000)] ||= :value }
end
bm.report 'LRUCache' do
1_000_000.times { lru_cache[rand(2_000)] ||= :value }
end
bm.report 'LruRedux::Cache' do
1_000_000.times { redux.getset(rand(2_000)) { :value } }
end
bm.report 'LruRedux::ThreadSafeCache' do
1_000_000.times { redux_thread_safe.getset(rand(2_000)) { :value } }
end
end
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