Sha256: 66e60e4056475d2e8de3081969daf96e56239ed26bbec0d10d9655385dc330c2
Contents?: true
Size: 1.11 KB
Versions: 24
Compression:
Stored size: 1.11 KB
Contents
#!/usr/bin/env ruby
# encoding: UTF-8
$: << '.'
$: << File.join(File.dirname(__FILE__), "../lib")
$: << File.join(File.dirname(__FILE__), "../ext")
require 'oj'
filename = 'tmp.json'
File.open(filename, "w") { |f|
cnt = 0
f.puts('{')
('a'..'z').each { |a|
('a'..'z').each { |b|
('a'..'z').each { |c|
('a'..'z').each { |d|
f.puts(%|"#{a}#{b}#{c}#{d}":#{cnt},|)
cnt += 1
}
}
}
}
f.puts('"_last":0}')
}
def mem
`ps -o rss= -p #{$$}`.to_i
end
Oj.default_options = { mode: :strict, cache_keys: false, cache_str: -1 }
start = Time.now
Oj.load_file('tmp.json')
dur = Time.now - start
GC.start
puts "no cache duration: #{dur} @ #{mem}"
Oj.default_options = { cache_keys: true }
start = Time.now
Oj.load_file('tmp.json')
dur = Time.now - start
GC.start
puts "initial cache duration: #{dur} @ #{mem}"
start = Time.now
Oj.load_file('tmp.json')
dur = Time.now - start
GC.start
puts "second cache duration: #{dur} @ #{mem}"
10.times{ GC.start }
start = Time.now
Oj.load_file('tmp.json')
dur = Time.now - start
GC.start
puts "after several GCs cache duration: #{dur} @ #{mem}"
# TBD check memory use
Version data entries
24 entries across 24 versions & 1 rubygems