stdlib: Add unicode string benchmarks

1 files changed, 107 insertions, 0 deletions

diff --git a/lib/stdlib/test/stdlib_bench_SUITE.erl b/lib/stdlib/test/stdlib_bench_SUITE.erl
new file mode 100644
index 0000000000..8670e7029c
--- /dev/null
+++ b/lib/stdlib/test/stdlib_bench_SUITE.erl
@@ -0,0 +1,107 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2012-2016. 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}].
+
+groups() ->
+    [{unicode,[{repeat,5}],
+      [norm_nfc_list, norm_nfc_deep_l, norm_nfc_binary,
+       string_lexemes_list, string_lexemes_binary
+      ]}].
+
+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.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+