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diff --git a/.gitignore b/.gitignore
index 7066211..a9fb488 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,25 +1,30 @@
# The directory Mix will write compiled artifacts to.
/_build/
# If you run "mix test --cover", coverage assets end up here.
/cover/
# The directory Mix downloads your dependencies sources to.
/deps/
# Where 3rd-party dependencies like ExDoc output generated docs.
/doc/
# Ignore .fetch files in case you like to edit your project deps locally.
/.fetch
# If the VM crashes, it generates a dump, let's ignore it too.
erl_crash.dump
# Also ignore archive artifacts (built via "mix archive.build").
*.ez
# Ignore package tarball (built via "mix hex.build").
exile-*.tar
-.dir-locals.el
\ No newline at end of file
+.dir-locals.el
+
+# Bench
+/bench/_build/
+/bench/deps/
+/bench/output/
diff --git a/bench/io.exs b/bench/io.exs
new file mode 100644
index 0000000..24b1a13
--- /dev/null
+++ b/bench/io.exs
@@ -0,0 +1,88 @@
+defmodule ExileBench.Read do
+ @size 1000
+ @chunk_size 1024 * 4
+ @data :crypto.strong_rand_bytes(@chunk_size)
+
+ defp exile_read_loop(s, @size), do: Exile.Process.close_stdin(s)
+
+ defp exile_read_loop(s, count) do
+ :ok = Exile.Process.write(s, @data)
+
+ case Exile.Process.read(s, @chunk_size) do
+ {:ok, _data} -> exile_read_loop(s, count + 1)
+ {:eof, _} -> :ok
+ end
+ end
+
+ def exile do
+ {:ok, s} = Exile.Process.start_link(["cat"])
+ :ok = exile_read_loop(s, 0)
+ Exile.Process.stop(s)
+ end
+
+ # port
+ defp port_read(_port, 0), do: :ok
+ defp port_read(port, size) do
+ receive do
+ {^port, {:data, data}} -> port_read(port, size - IO.iodata_length(data))
+ end
+ end
+
+ defp port_loop(_port, @size), do: :ok
+
+ defp port_loop(port, count) do
+ true = Port.command(port, @data)
+ :ok = port_read(port, @chunk_size)
+ port_loop(port, count + 1)
+ end
+
+ def port do
+ cat = :os.find_executable('cat')
+
+ port =
+ Port.open({:spawn_executable, cat}, [
+ :use_stdio,
+ :exit_status,
+ :binary
+ ])
+
+ port_loop(port, 0)
+ Port.close(port)
+ end
+
+
+ # ex_cmd
+ defp ex_cmd_read_loop(s, @size), do: ExCmd.Process.close_stdin(s)
+
+ defp ex_cmd_read_loop(s, count) do
+ :ok = ExCmd.Process.write(s, @data)
+
+ case ExCmd.Process.read(s, @chunk_size) do
+ {:ok, _data} -> ex_cmd_read_loop(s, count + 1)
+ :eof -> :ok
+ end
+ end
+
+ def ex_cmd do
+ {:ok, s} = ExCmd.Process.start_link(["cat"])
+ :ok = ex_cmd_read_loop(s, 0)
+ ExCmd.Process.stop(s)
+ end
+end
+
+read_jobs = %{
+ "Exile" => fn -> ExileBench.Read.exile() end,
+ "Port" => fn -> ExileBench.Read.port() end,
+ "ExCmd" => fn -> ExileBench.Read.ex_cmd() end
+}
+
+Benchee.run(read_jobs,
+ # parallel: 4,
+ warmup: 5,
+ time: 30,
+ memory_time: 1,
+ formatters: [
+ {Benchee.Formatters.HTML, file: Path.expand("output/read.html", __DIR__)},
+ Benchee.Formatters.Console
+ ]
+)
diff --git a/bench/mix.exs b/bench/mix.exs
new file mode 100644
index 0000000..5b4980a
--- /dev/null
+++ b/bench/mix.exs
@@ -0,0 +1,30 @@
+defmodule ExileBench.MixProject do
+ use Mix.Project
+
+ def project do
+ [
+ app: :exile_bench,
+ version: "0.1.0",
+ elixir: "~> 1.7",
+ start_permanent: Mix.env() == :prod,
+ deps: deps(),
+ aliases: aliases()
+ ]
+ end
+
+ defp aliases() do
+ [
+ "bench.io": ["run io.exs"]
+ ]
+ end
+
+ # Run "mix help deps" to learn about dependencies.
+ defp deps do
+ [
+ {:benchee, "~> 1.0"},
+ {:benchee_html, "~> 1.0"},
+ {:exile, "~> 0.1", path: "../", override: true},
+ {:ex_cmd, "~> 0.4.1"}
+ ]
+ end
+end
diff --git a/bench/mix.lock b/bench/mix.lock
new file mode 100644
index 0000000..0d1e6a1
--- /dev/null
+++ b/bench/mix.lock
@@ -0,0 +1,10 @@
+%{
+ "benchee": {:hex, :benchee, "1.0.1", "66b211f9bfd84bd97e6d1beaddf8fc2312aaabe192f776e8931cb0c16f53a521", [:mix], [{:deep_merge, "~> 1.0", [hex: :deep_merge, repo: "hexpm", optional: false]}], "hexpm", "3ad58ae787e9c7c94dd7ceda3b587ec2c64604563e049b2a0e8baafae832addb"},
+ "benchee_html": {:hex, :benchee_html, "1.0.0", "5b4d24effebd060f466fb460ec06576e7b34a00fc26b234fe4f12c4f05c95947", [:mix], [{:benchee, ">= 0.99.0 and < 2.0.0", [hex: :benchee, repo: "hexpm", optional: false]}, {:benchee_json, "~> 1.0", [hex: :benchee_json, repo: "hexpm", optional: false]}], "hexpm", "5280af9aac432ff5ca4216d03e8a93f32209510e925b60e7f27c33796f69e699"},
+ "benchee_json": {:hex, :benchee_json, "1.0.0", "cc661f4454d5995c08fe10dd1f2f72f229c8f0fb1c96f6b327a8c8fc96a91fe5", [:mix], [{:benchee, ">= 0.99.0 and < 2.0.0", [hex: :benchee, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "da05d813f9123505f870344d68fb7c86a4f0f9074df7d7b7e2bb011a63ec231c"},
+ "deep_merge": {:hex, :deep_merge, "1.0.0", "b4aa1a0d1acac393bdf38b2291af38cb1d4a52806cf7a4906f718e1feb5ee961", [:mix], [], "hexpm", "ce708e5f094b9cd4e8f2be4f00d2f4250c4095be93f8cd6d018c753894885430"},
+ "elixir_make": {:hex, :elixir_make, "0.6.2", "7dffacd77dec4c37b39af867cedaabb0b59f6a871f89722c25b28fcd4bd70530", [:mix], [], "hexpm", "03e49eadda22526a7e5279d53321d1cced6552f344ba4e03e619063de75348d9"},
+ "ex_cmd": {:hex, :ex_cmd, "0.4.1", "e7d194abdd8c98fd936d760d2a72e42075398a915902bcec74281927b5321bd5", [:mix], [{:gen_state_machine, "~> 2.0", [hex: :gen_state_machine, repo: "hexpm", optional: false]}], "hexpm", "d58dde62094419351c79d3215325300128f6895c643792d501adcd5cf507ef13"},
+ "gen_state_machine": {:hex, :gen_state_machine, "2.1.0", "a38b0e53fad812d29ec149f0d354da5d1bc0d7222c3711f3a0bd5aa608b42992", [:mix], [], "hexpm", "ae367038808db25cee2f2c4b8d0531522ea587c4995eb6f96ee73410a60fa06b"},
+ "jason": {:hex, :jason, "1.2.2", "ba43e3f2709fd1aa1dce90aaabfd039d000469c05c56f0b8e31978e03fa39052", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "18a228f5f0058ee183f29f9eae0805c6e59d61c3b006760668d8d18ff0d12179"},
+}

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