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October 3, 2025 19:46
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| Mix.install([ | |
| {:benchee, "~> 1.4"}, | |
| {:benchee_html, "~> 1.0"} | |
| ]) | |
| defmodule MapPut.Fast do | |
| def map_put(enumerator, map) do | |
| enumerator | |
| |> Enum.reduce(map, fn value, acc -> | |
| Map.put(acc, value, value) | |
| end) | |
| end | |
| end | |
| defmodule MapPut.Slower do | |
| def map_put(enumerator, map) do | |
| enumerator | |
| |> Enum.reduce(map, fn value, acc -> | |
| put_in(acc[value], value) | |
| end) | |
| end | |
| end | |
| defmodule MapPut.Slowest do | |
| def map_put(enumerator, map) do | |
| enumerator | |
| |> Enum.reduce(map, fn value, acc -> | |
| put_in(acc, [value], value) | |
| end) | |
| end | |
| end | |
| defmodule MapPut.Benchmark do | |
| @inputs %{ | |
| "Large (30,000 items)" => 1..10_000, | |
| "Medium (3,000 items)" => 1..1_000, | |
| "Small (30 items)" => 1..10 | |
| } | |
| def benchmark do | |
| Benchee.run( | |
| %{ | |
| "Map.put/3" => fn enumerator -> bench_func(enumerator, MapPut.Fast) end, | |
| "put_in/2" => fn enumerator -> bench_func(enumerator, MapPut.Slower) end, | |
| "put_in/3" => fn enumerator -> bench_func(enumerator, MapPut.Slowest) end | |
| }, | |
| time: 10, | |
| inputs: @inputs, | |
| print: [fast_warning: false], | |
| formatters: [ | |
| {Benchee.Formatters.HTML, file: "bench.html"}, | |
| Benchee.Formatters.Console | |
| ] | |
| ) | |
| end | |
| @map %{ | |
| a: 1, | |
| b: 2, | |
| c: 3 | |
| } | |
| def bench_func(enumerator, module) do | |
| module.map_put(enumerator, @map) | |
| end | |
| end | |
| MapPut.Benchmark.benchmark() |
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