%% ``Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
%% AB. All Rights Reserved.''
%%
%% $Id$
%%
-module(call_bm).
-include("bench.hrl").
-export([benchmarks/0]).
-export([local_call/1,external_call/1,fun_call/1,apply_fun/1,
apply_mfa_implicit/1, apply_mfa_explicit/1]).
-export([foo/0]).
benchmarks() ->
{400000,[local_call,external_call,fun_call,apply_fun,
apply_mfa_implicit, apply_mfa_explicit]}.
local_call(0) ->
ok;
local_call(Iter) ->
?rep40(foo()),
local_call(Iter-1).
external_call(0) ->
ok;
external_call(Iter) ->
?rep40(?MODULE:foo()),
external_call(Iter-1).
fun_call(Iter) ->
fun_call(Iter, fun() -> ok end).
fun_call(0, _) ->
ok;
fun_call(Iter, Fun) ->
?rep40(Fun()),
fun_call(Iter-1, Fun).
apply_fun(Iter) ->
apply_fun(Iter, fun() -> ok end).
apply_fun(0, _) ->
ok;
apply_fun(Iter, Fun) ->
?rep40(apply(Fun, [])),
apply_fun(Iter-1, Fun).
apply_mfa_explicit(0) ->
ok;
apply_mfa_explicit(Iter) ->
?rep40(apply(?MODULE, foo, [])),
apply_mfa_explicit(Iter-1).
apply_mfa_implicit(Iter) ->
apply_mfa_implicit(?MODULE, foo, Iter).
apply_mfa_implicit(_, _, 0) ->
ok;
apply_mfa_implicit(Module, Function, Iter) ->
?rep40(Module:Function()),
apply_mfa_implicit(Module, Function, Iter-1).
foo() -> ok.
