%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2012-2017. All Rights Reserved.
%%
%% 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.
%%
%% %CopyrightEnd%
%%
%%
-module(stdlib_bench_SUITE).
-compile([export_all, nowarn_export_all]).
-include_lib("common_test/include/ct_event.hrl").
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
suite() -> [{ct_hooks,[{ts_install_cth,[{nodenames,2}]}]}].
all() ->
[{group,unicode}, {group,base64}].
groups() ->
[{unicode,[{repeat,5}],
[norm_nfc_list, norm_nfc_deep_l, norm_nfc_binary,
string_lexemes_list, string_lexemes_binary
]},
{base64,[{repeat,5}],
[decode_binary, decode_binary_to_string,
decode_list, decode_list_to_string,
encode_binary, encode_binary_to_string,
encode_list, encode_list_to_string,
mime_binary_decode, mime_binary_decode_to_string,
mime_list_decode, mime_list_decode_to_string]}].
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
init_per_suite(Config) ->
Config.
end_per_suite(Config) ->
Config.
init_per_testcase(_Func, Conf) ->
Conf.
end_per_testcase(_Func, _Conf) ->
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-define(REPEAT_NORM, 5).
norm_nfc_list(Config) ->
Bin = norm_data(Config),
{_N, Mean, _Stddev, Res} = unicode_util_SUITE:time_count(nfc, list, Bin, ?REPEAT_NORM),
report(1000.0*Res / Mean).
norm_nfc_deep_l(Config) ->
Bin = norm_data(Config),
{_N, Mean, _Stddev, Res} = unicode_util_SUITE:time_count(nfc, deep_l, Bin, ?REPEAT_NORM),
report(1000.0*Res / Mean).
norm_nfc_binary(Config) ->
Bin = norm_data(Config),
{_N, Mean, _Stddev, Res} = unicode_util_SUITE:time_count(nfc, binary, Bin, ?REPEAT_NORM),
report(1000.0*Res / Mean).
string_lexemes_list(Config) ->
%% Use nth_lexeme instead of lexemes to avoid building a result of
%% large lists which causes large differences between test runs, gc?
Bin = norm_data(Config),
Fun = fun(Str) -> string:nth_lexeme(Str, 200000, [$;,$\n,$\r]), 200000 end,
{_N, Mean, _Stddev, Res} = string_SUITE:time_func(Fun, list, Bin, 15),
report(1000.0*Res / Mean).
string_lexemes_binary(Config) ->
%% Use nth_lexeme instead of lexemes to avoid building a result of
%% large lists which causes large differences between test runs, gc?
Bin = norm_data(Config),
Fun = fun(Str) -> string:nth_lexeme(Str, 200000, [$;,$\n,$\r]), 200000 end,
{_N, Mean, _Stddev, Res} = string_SUITE:time_func(Fun, binary, Bin, ?REPEAT_NORM),
report(1000.0*Res / Mean).
%%%
report(Tps) ->
ct_event:notify(#event{name = benchmark_data,
data = [{suite,"stdlib_unicode"},{value,round(Tps)}]}),
Tps.
norm_data(Config) ->
DataDir0 = proplists:get_value(data_dir, Config),
DataDir = filename:join(lists:droplast(filename:split(DataDir0))),
File = filename:join([DataDir,"unicode_util_SUITE_data","NormalizationTest.txt"]),
{ok, Bin} = file:read_file(File),
Bin.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
decode_binary(_Config) ->
test(decode, encoded_binary()).
decode_binary_to_string(_Config) ->
test(decode_to_string, encoded_binary()).
decode_list(_Config) ->
test(decode, encoded_list()).
decode_list_to_string(_Config) ->
test(decode_to_string, encoded_list()).
encode_binary(_Config) ->
test(encode, binary()).
encode_binary_to_string(_Config) ->
test(encode_to_string, binary()).
encode_list(_Config) ->
test(encode, list()).
encode_list_to_string(_Config) ->
test(encode_to_string, list()).
mime_binary_decode(_Config) ->
test(mime_decode, encoded_binary()).
mime_binary_decode_to_string(_Config) ->
test(mime_decode_to_string, encoded_binary()).
mime_list_decode(_Config) ->
test(mime_decode, encoded_list()).
mime_list_decode_to_string(_Config) ->
test(mime_decode_to_string, encoded_list()).
-define(SIZE, 10000).
-define(N, 1000).
encoded_binary() ->
list_to_binary(encoded_list()).
encoded_list() ->
L = random_byte_list(round(?SIZE*0.75)),
base64:encode_to_string(L).
binary() ->
list_to_binary(list()).
list() ->
random_byte_list(?SIZE).
test(Func, Data) ->
F = fun() -> loop(?N, Func, Data) end,
{Time, ok} = timer:tc(fun() -> lspawn(F) end),
report_base64(Time).
loop(0, _F, _D) -> garbage_collect(), ok;
loop(N, F, D) ->
_ = base64:F(D),
loop(N - 1, F, D).
lspawn(Fun) ->
{Pid, Ref} = spawn_monitor(fun() -> exit(Fun()) end),
receive
{'DOWN', Ref, process, Pid, Rep} -> Rep
end.
report_base64(Time) ->
Tps = round((?N*1000000)/Time),
ct_event:notify(#event{name = benchmark_data,
data = [{suite, "stdlib_base64"},
{value, Tps}]}),
Tps.
%% Copied from base64_SUITE.erl.
random_byte_list(N) ->
random_byte_list(N, []).
random_byte_list(0, Acc) ->
Acc;
random_byte_list(N, Acc) ->
random_byte_list(N-1, [rand:uniform(255)|Acc]).
make_big_binary(N) ->
list_to_binary(mbb(N, [])).
mbb(N, Acc) when N > 256 ->
B = list_to_binary(lists:seq(0, 255)),
mbb(N - 256, [B | Acc]);
mbb(N, Acc) ->
B = list_to_binary(lists:seq(0, N-1)),
lists:reverse(Acc, B).
