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richdrich/to_h_vs_insert.rb

Created July 19, 2020 21:59
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Test performance of to_h vs insert
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to_h_vs_insert.rb
require 'date'
NUM_ENTRIES = 100000
t = DateTime.now
h = (0..NUM_ENTRIES).each.map do |n|
[n, 25 * n]
end.to_h
puts "#{(DateTime.now - t).to_f * 1000 * 86400} ms to populate by to_h"
t = DateTime.now
h = {}
(0..NUM_ENTRIES).each do |n|
h[n] = 25 * n
end
puts "#{(DateTime.now - t).to_f * 1000 * 86400} ms to populate by insert"
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