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sergey-alekseev/object-vs-id-comparison.rb

Created March 10, 2015 20:33
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Object comparison vs. id
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object-vs-id-comparison.rb
Benchmark.ips do |x|
x.report('object comparison') { item.user == print.user }
x.report('id comparison') { item.user_id == print.user_id }
x.compare!
end
Calculating -------------------------------------
object comparison 1.204k i/100ms
id comparison 1.972k i/100ms
-------------------------------------------------
object comparison 43.855k (±18.9%) i/s - 209.496k
id comparison 1.077M (±21.8%) i/s - 4.727M
Comparison:
id comparison: 1076589.8 i/s
object comparison: 43854.6 i/s - 24.55x slower
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