benchmarks.exs

encode_jobs = %{
  "serde_rustler" => &SerdeRustlerTests.encode_json_compact/1,
  "serde_rustler (dirty)" => &SerdeRustlerTests.encode_json_compact_dirty/1,
  "Poison" => &Poison.encode!/1,
  "Jason" => &Jason.encode!/1,
  "JSX" => &JSX.encode!/1,
  "Tiny" => &Tiny.encode!/1,
  "jsone" => &:jsone.encode/1,
  "jiffy" => &:jiffy.encode/1,
  "JSON" => &JSON.encode!/1
}

encode_inputs = [
  "GitHub",
  "Giphy",
  "GovTrack",
  "Blockchain",
  "Pokedex",
  "JSON Generator",
  "UTF-8 unescaped",
  "Issue 90"
]

decode_jobs = %{
  "serde_rustler" => &SerdeRustlerTests.decode_json/1,
  "serde_rustler (dirty)" => &SerdeRustlerTests.decode_json_dirty/1,
  "Poison" => &Poison.decode!/1,
  "Jason" => &Jason.decode!/1,
  "JSX" => &JSX.decode!(&1, [:strict]),
  "Tiny" => &Tiny.decode!/1,
  "jsone" => &:jsone.decode/1,
  "jiffy" => &:jiffy.decode(&1, [:return_maps]),
  "JSON" => &JSON.decode!/1
}

decode_inputs = [
  "GitHub",
  "Giphy",
  "GovTrack",
  "Blockchain",
  "Pokedex",
  "JSON Generator",
  "JSON Generator (Pretty)",
  "UTF-8 escaped",
  "UTF-8 unescaped",
  "Issue 90"
]

transcode_jobs = %{
  "serde_rustler" => &SerdeRustlerTests.transcode/1,
  "serde_rustler (dirty)" => &SerdeRustlerTests.transcode_dirty/1
}

transcode_inputs = encode_inputs

read_data = fn name ->
  name
  |> String.downcase()
  |> String.replace(~r/([^\w]|-|_)+/, "-")
  |> String.trim("-")
  |> (&"data/#{&1}.json").()
  |> Path.expand(__DIR__)
  |> File.read!()
end

inputs = fn names ->
  for name <- names, into: %{} do
    name
    |> read_data.()
    |> (&{name, &1}).()
  end
end

string_inputs = inputs

json_inputs = fn names ->
  for {name, file} <- inputs.(names), into: %{} do
    Poison.decode!(file)
    |> (&{name, &1}).()
  end
end

formatters = fn filename ->
  relpath = "../output/" <> filename

  [
    {Benchee.Formatters.Console, extended_statistics: true},
    {Benchee.Formatters.HTML, file: Path.expand(relpath <> ".html", __DIR__)},
    {Benchee.Formatters.Markdown, file: Path.expand(relpath <> ".md", __DIR__)}
  ]
end

Benchee.run(encode_jobs,
  parallel: 4,
  memory_time: 2,
  inputs: json_inputs.(encode_inputs),
  formatters: formatters.("encode")
)

Benchee.run(decode_jobs,
  parallel: 4,
  memory_time: 2,
  inputs: string_inputs.(decode_inputs),
  formatters: formatters.("decode")
)

Benchee.run(transcode_jobs,
  parallel: 4,
  memory_time: 2,
  inputs: json_inputs.(transcode_inputs),
  formatters: formatters.("transcode")
)