lmdb.rb

require 'fileutils'
require 'lmdb'
require 'benchmark/ips'

PATH = __FILE__
MAX_SIZE = 134217728 # 128 MB

FileUtils.mkdir_p('/tmp/lmdb-bench')
@env = ::LMDB.new('/tmp/lmdb-bench', mapsize: MAX_SIZE, nometasync: true, nosync: true)
@database = @env.database('bootsnap', create: true)
@database.put(PATH, File.read(PATH))

Benchmark.ips do |x|
  x.report("current-bootsnap") { File.read(PATH) }
  x.report("LMDB.get") { @database.get(PATH) }
end

results.txt

Warming up --------------------------------------
    current-bootsnap     5.064k i/100ms
            LMDB.get    21.102k i/100ms
Calculating -------------------------------------
    current-bootsnap     52.489k (± 2.1%) i/s -    263.328k in   5.019150s
            LMDB.get    226.234k (± 1.5%) i/s -      1.140M in   5.038054s