%%
%% %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.hrl").
-include_lib("common_test/include/ct_event.hrl").
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
suite() -> [{ct_hooks,[{ts_install_cth,[{nodenames,2}]}]}].
all() ->
[{group,unicode},{group,base64},
{group,gen_server},{group,gen_server_comparison}].
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]},
{gen_server, [{repeat,5}],
[simple, simple_timer, simple_mon, simple_timer_mon,
generic, generic_timer]},
{gen_server_comparison, [],
[single_small, single_medium, single_big,
sched_small, sched_medium, sched_big,
multi_small, multi_medium, multi_big]}].
init_per_group(GroupName, Config) when GroupName =:= gen_server;
GroupName =:= gen_server_comparison ->
DataDir = ?config(data_dir, Config),
Files = filelib:wildcard(filename:join(DataDir, "{simple,generic}*.erl")),
_ = [{ok, _} = compile:file(File) || File <- Files],
Config;
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).
simple(Config) when is_list(Config) ->
do_tests(simple, single_small).
simple_timer(Config) when is_list(Config) ->
do_tests(simple_timer, single_small).
simple_mon(Config) when is_list(Config) ->
do_tests(simple_mon, single_small).
simple_timer_mon(Config) when is_list(Config) ->
do_tests(simple_timer_mon, single_small).
generic(Config) when is_list(Config) ->
do_tests(generic, single_small).
generic_timer(Config) when is_list(Config) ->
do_tests(generic_timer, single_small).
single_small(Config) when is_list(Config) ->
comparison(single_small).
single_medium(Config) when is_list(Config) ->
comparison(single_medium).
single_big(Config) when is_list(Config) ->
comparison(single_big).
sched_small(Config) when is_list(Config) ->
comparison(sched_small).
sched_medium(Config) when is_list(Config) ->
comparison(sched_medium).
sched_big(Config) when is_list(Config) ->
comparison(sched_big).
multi_small(Config) when is_list(Config) ->
comparison(multi_small).
multi_medium(Config) when is_list(Config) ->
comparison(multi_medium).
multi_big(Config) when is_list(Config) ->
comparison(multi_big).
comparison(Kind) ->
Simple0 = do_tests(simple, Kind),
SimpleTimer0 = do_tests(simple_timer, Kind),
SimpleMon0 = do_tests(simple_mon, Kind),
SimpleTimerMon0 = do_tests(simple_timer_mon, Kind),
Generic0 = do_tests(generic, Kind),
GenericTimer0 = do_tests(generic_timer, Kind),
%% Normalize
Simple = norm(Simple0, Simple0),
SimpleTimer = norm(SimpleTimer0, Simple0),
SimpleMon = norm(SimpleMon0, Simple0),
SimpleTimerMon = norm(SimpleTimerMon0, Simple0),
Generic = norm(Generic0, Simple0),
GenericTimer = norm(GenericTimer0, Simple0),
{Parallelism, _N, Message} = bench_params(Kind),
Wordsize = erlang:system_info(wordsize),
MSize = Wordsize * erts_debug:flat_size(Message),
What = io_lib:format("#parallel gen_server instances: ~.4w, "
"message flat size: ~.5w bytes",
[Parallelism, MSize]),
C = io_lib:format("~s: "
"Simple: ~s Simple+Timer: ~s "
"Simple+Monitor: ~s Simple+Timer+Monitor: ~s "
"Generic: ~s Generic+Timer: ~s",
[What, Simple, SimpleTimer, SimpleMon, SimpleTimerMon,
Generic, GenericTimer]),
{comment, C}.
norm(T, Ref) ->
io_lib:format("~.2f", [T/Ref]).
do_tests(Test, ParamSet) ->
{Client, ServerMod} = bench(Test),
{Parallelism, N, Message} = bench_params(ParamSet),
Fun = create_clients(N, Message, ServerMod, Client, Parallelism),
Time = run_test(Fun),
TimesPerTest = 5,
PerSecond = Parallelism * TimesPerTest * round((1000 * N) / Time),
ct_event:notify(#event{name = benchmark_data,
data = [{suite,"stdlib_gen_server"},
{value,PerSecond}]}),
Time.
simple_client(0, _, _P) ->
ok;
simple_client(N, M, P) ->
_ = simple_server:reply(P, M),
_ = simple_server:reply(P, M),
_ = simple_server:reply(P, M),
_ = simple_server:reply(P, M),
_ = simple_server:reply(P, M),
simple_client(N-1, M, P).
simple_client_timer(0, _, _P) ->
ok;
simple_client_timer(N, M, P) ->
_ = simple_server_timer:reply(P, M),
_ = simple_server_timer:reply(P, M),
_ = simple_server_timer:reply(P, M),
_ = simple_server_timer:reply(P, M),
_ = simple_server_timer:reply(P, M),
simple_client_timer(N-1, M, P).
simple_client_mon(0, _, _P) ->
ok;
simple_client_mon(N, M, P) ->
_ = simple_server_mon:reply(P, M),
_ = simple_server_mon:reply(P, M),
_ = simple_server_mon:reply(P, M),
_ = simple_server_mon:reply(P, M),
_ = simple_server_mon:reply(P, M),
simple_client_mon(N-1, M, P).
simple_client_timer_mon(0, _, _P) ->
ok;
simple_client_timer_mon(N, M, P) ->
_ = simple_server_timer_mon:reply(P, M),
_ = simple_server_timer_mon:reply(P, M),
_ = simple_server_timer_mon:reply(P, M),
_ = simple_server_timer_mon:reply(P, M),
_ = simple_server_timer_mon:reply(P, M),
simple_client_timer_mon(N-1, M, P).
generic_client(0, _, _P) ->
ok;
generic_client(N, M, P) ->
_ = generic_server:reply(P, M),
_ = generic_server:reply(P, M),
_ = generic_server:reply(P, M),
_ = generic_server:reply(P, M),
_ = generic_server:reply(P, M),
generic_client(N-1, M, P).
generic_timer_client(0, _, _P) ->
ok;
generic_timer_client(N, M, P) ->
_ = generic_server_timer:reply(P, M),
_ = generic_server_timer:reply(P, M),
_ = generic_server_timer:reply(P, M),
_ = generic_server_timer:reply(P, M),
_ = generic_server_timer:reply(P, M),
generic_timer_client(N-1, M, P).
bench(simple) ->
{fun simple_client/3, simple_server};
bench(simple_timer) ->
{fun simple_client_timer/3, simple_server_timer};
bench(simple_mon) ->
{fun simple_client_mon/3, simple_server_mon};
bench(simple_timer_mon) ->
{fun simple_client_timer_mon/3, simple_server_timer_mon};
bench(generic) ->
{fun generic_client/3, generic_server};
bench(generic_timer) ->
{fun generic_timer_client/3, generic_server_timer}.
%% -> {Parallelism, NumberOfMessages, MessageTerm}
bench_params(single_small) -> {1, 700000, small()};
bench_params(single_medium) -> {1, 350000, medium()};
bench_params(single_big) -> {1, 70000, big()};
bench_params(sched_small) -> {parallelism(), 200000, small()};
bench_params(sched_medium) -> {parallelism(), 100000, medium()};
bench_params(sched_big) -> {parallelism(), 20000, big()};
bench_params(multi_small) -> {400, 2000, small()};
bench_params(multi_medium) -> {400, 1000, medium()};
bench_params(multi_big) -> {400, 200, big()}.
small() ->
small.
medium() ->
lists:seq(1, 50).
big() ->
lists:seq(1, 1000).
parallelism() ->
case erlang:system_info(multi_scheduling) of
enabled -> erlang:system_info(schedulers_online);
_ -> 1
end.
create_clients(N, M, ServerMod, Client, Parallel) ->
fun() ->
State = term,
ServerPid = ServerMod:start(State),
PidRefs = [spawn_monitor(fun() -> Client(N, M, ServerPid) end) ||
_ <- lists:seq(1, Parallel)],
_ = [receive {'DOWN', Ref, _, _, _} -> ok end ||
{_Pid, Ref} <- PidRefs],
ok = ServerMod:stop(ServerPid)
end.
run_test(Test) ->
{T1, _} = statistics(runtime),
Test(),
{T2, _} = statistics(runtime),
T2 - T1.
