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sergey-alekseev/exists-vs-where_any-comparison.rb

Created March 21, 2015 21:19
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exists-vs-where_any-comparison.rb
Benchmark.ips do |x|
x.report('exists?') { User.exists?(:id => 1) }
x.report('where-any?') { User.where(:id => 1).any? }
x.compare!
end
Comparison:
exists?: 636.0 i/s
where-any?: 567.1 i/s - 1.12x slower
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