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@cdegroot
Created June 9, 2020 14:39
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defmodule User do
@defaults name: nil, age: 0
defstruct @defaults
import Record
defrecord(:user, @defaults)
end
defmodule Bench do
def run do
import User
loops = 1..10000000
user_struct = %User{name: "John", age: 1}
user_record = user(name: "John", age: 1)
IO.inspect(
:timer.tc(fn ->
Enum.reduce(loops, user_struct, fn i, u ->
%User{u | age: i}
end)
end))
IO.inspect(
:timer.tc(fn ->
Enum.reduce(loops, user_record, fn i, u ->
user(u, age: i)
end)
end))
end
end
Enum.each(1..5, fn _ -> Bench.run end)
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