Improve boot speed

bin/elixir

@@ -215,8 +215,13 @@ while [ $I -ge 0 ]; do
   I=$((I - 1))
 done
 
-SELF=$(readlink_f "$0")
-SCRIPT_PATH=$(dirname "$SELF")
+# Use $0 directly when it is an absolute path that is not a symbolic link
+if [ "${0#/}" != "$0" ] && [ ! -h "$0" ]; then
+  SELF="$0"
+else
+  SELF=$(readlink_f "$0")
+fi
+SCRIPT_PATH="${SELF%/*}"
 
 if [ "$OSTYPE" = "cygwin" ]; then SCRIPT_PATH=$(cygpath -m "$SCRIPT_PATH"); fi
 if [ "$MODE" != "iex" ]; then ERL="-s elixir start_cli $ERL"; fi

lib/elixir/lib/module/types/of.ex

@@ -734,7 +734,7 @@ defmodule Module.Types.Of do
   def modules(type, fun, arity, hints \\ [], expr, meta, stack, context) do
     case atom_fetch(type) do
       {:finite, mods} ->
-        {mods, context}
+        {:lists.sort(mods), context}
 
       {:infinite, _} ->
         {[], context}

lib/elixir/src/elixir.erl

@@ -16,6 +16,20 @@
 -include("elixir.hrl").
 -define(system, 'Elixir.System').
 -define(elixir_eval_env, {elixir, eval_env}).
+-define(cli_modules, [
+  'Elixir.Access', 'Elixir.Application', 'Elixir.Code', 'Elixir.Enum', 'Elixir.IO',
+  'Elixir.Kernel', 'Elixir.Kernel.CLI', 'Elixir.Keyword', 'Elixir.List.Chars',
+  'Elixir.List.Chars.List', 'Elixir.Macro.Env', 'Elixir.Map', 'Elixir.Module.ParallelChecker',
+  'Elixir.Regex', 'Elixir.String.Chars', 'Elixir.String.Tokenizer', 'Elixir.Supervisor',
+  'Elixir.Supervisor.Default', 'Elixir.System', elixir_aliases, elixir_bitstring,
+  elixir_code_server, elixir_config, elixir_dispatch, elixir_env, elixir_erl, elixir_erl_pass,
+  elixir_erl_var, elixir_expand, elixir_interpolation, elixir_module, elixir_parser,
+  elixir_quote, elixir_rewrite, elixir_sup, elixir_tokenizer, elixir_utils,
+  erl_bits, eval_bits, logger_backend, re
+]).
+-define(cli_logger_modules, [
+  'Elixir.Logger', 'Elixir.Logger.App', 'Elixir.Logger.Formatter', 'Elixir.Logger.Utils'
+]).
 
 %% Top level types
 %% TODO: Remove char_list type on v2.0
@@ -180,7 +194,9 @@ start() ->
   user_drv:start(#{initial_shell => iex:shell()}).
 
 start_cli() ->
+  _ = code:ensure_modules_loaded(?cli_modules),
   {ok, _} = application:ensure_all_started(elixir),
+  _ = code:ensure_modules_loaded(?cli_logger_modules),
 
   %% We start the Logger so tools that depend on Elixir
   %% always have the Logger directly accessible. However