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-rw-r--r--lib/stdlib/src/gen.erl4
-rw-r--r--lib/stdlib/test/stdlib.spec3
-rw-r--r--lib/stdlib/test/stdlib_bench.spec2
-rw-r--r--lib/stdlib/test/stdlib_bench_SUITE.erl225
-rw-r--r--lib/stdlib/test/stdlib_bench_SUITE_data/generic_server.erl31
-rw-r--r--lib/stdlib/test/stdlib_bench_SUITE_data/generic_server_timer.erl31
-rw-r--r--lib/stdlib/test/stdlib_bench_SUITE_data/simple_server.erl31
-rw-r--r--lib/stdlib/test/stdlib_bench_SUITE_data/simple_server_mon.erl33
-rw-r--r--lib/stdlib/test/stdlib_bench_SUITE_data/simple_server_timer.erl33
-rw-r--r--lib/stdlib/test/stdlib_bench_SUITE_data/simple_server_timer_mon.erl35
10 files changed, 424 insertions, 4 deletions
diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl
index 4b1d448487..0e6f49d99f 100644
--- a/lib/stdlib/src/gen.erl
+++ b/lib/stdlib/src/gen.erl
@@ -148,6 +148,10 @@ init_it2(GenMod, Starter, Parent, Name, Mod, Args, Options) ->
call(Process, Label, Request) ->
call(Process, Label, Request, ?default_timeout).
+%% Optimize a common case.
+call(Process, Label, Request, Timeout) when is_pid(Process),
+ Timeout =:= infinity orelse is_integer(Timeout) andalso Timeout >= 0 ->
+ do_call(Process, Label, Request, Timeout);
call(Process, Label, Request, Timeout)
when Timeout =:= infinity; is_integer(Timeout), Timeout >= 0 ->
Fun = fun(Pid) -> do_call(Pid, Label, Request, Timeout) end,
diff --git a/lib/stdlib/test/stdlib.spec b/lib/stdlib/test/stdlib.spec
index 91712b8963..1adec67ac9 100644
--- a/lib/stdlib/test/stdlib.spec
+++ b/lib/stdlib/test/stdlib.spec
@@ -1,2 +1,3 @@
{suites,"../stdlib_test",all}.
-{skip_suites,"../stdlib_test",stdlib_bench_SUITE, "bench only"}.
+{skip_groups,"../stdlib_test",stdlib_bench_SUITE,[base64,gen_server,unicode],
+ "Benchmark only"}.
diff --git a/lib/stdlib/test/stdlib_bench.spec b/lib/stdlib/test/stdlib_bench.spec
index a5d1e1db80..f82f1ab9b3 100644
--- a/lib/stdlib/test/stdlib_bench.spec
+++ b/lib/stdlib/test/stdlib_bench.spec
@@ -5,3 +5,5 @@
{skip_suites,"../stdlib_test",string_SUITE, "bench only"}.
{suites,"../stdlib_test",[stdlib_bench_SUITE]}.
+{skip_groups,"../stdlib_test",stdlib_bench_SUITE,[gen_server_comparison],
+ "Not a benchmark"}.
diff --git a/lib/stdlib/test/stdlib_bench_SUITE.erl b/lib/stdlib/test/stdlib_bench_SUITE.erl
index 2a9981bb9e..cc7e070dbd 100644
--- a/lib/stdlib/test/stdlib_bench_SUITE.erl
+++ b/lib/stdlib/test/stdlib_bench_SUITE.erl
@@ -21,6 +21,7 @@
%%
-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").
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -28,7 +29,8 @@ suite() -> [{ct_hooks,[{ts_install_cth,[{nodenames,2}]}]}].
all() ->
- [{group,unicode}, {group,base64}].
+ [{group,unicode},{group,base64},
+ {group,gen_server},{group,gen_server_comparison}].
groups() ->
[{unicode,[{repeat,5}],
@@ -41,8 +43,21 @@ groups() ->
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]}].
-
+ 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.
@@ -206,3 +221,207 @@ mbb(N, Acc) when N > 256 ->
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.
diff --git a/lib/stdlib/test/stdlib_bench_SUITE_data/generic_server.erl b/lib/stdlib/test/stdlib_bench_SUITE_data/generic_server.erl
new file mode 100644
index 0000000000..abd61dcdef
--- /dev/null
+++ b/lib/stdlib/test/stdlib_bench_SUITE_data/generic_server.erl
@@ -0,0 +1,31 @@
+-module(generic_server).
+
+-export([start/1, reply/2, stop/1]).
+
+-export([handle_call/3, handle_cast/2, init/1, terminate/2]).
+
+-behaviour(gen_server).
+
+-define(GEN_SERVER, gen_server).
+
+start(State) ->
+ {ok, Pid} = ?GEN_SERVER:start(?MODULE, State, []),
+ Pid.
+
+init(State) ->
+ {ok, State}.
+
+stop(P) ->
+ ok = ?GEN_SERVER:stop(P).
+
+reply(S, M) ->
+ _M = ?GEN_SERVER:call(S, {reply, M}, infinity).
+
+handle_call({reply, M}, _From, State) ->
+ {reply, M, State}.
+
+handle_cast(_Msg, State) ->
+ {noreply, State}.
+
+terminate(_Reason, _State) ->
+ ok.
diff --git a/lib/stdlib/test/stdlib_bench_SUITE_data/generic_server_timer.erl b/lib/stdlib/test/stdlib_bench_SUITE_data/generic_server_timer.erl
new file mode 100644
index 0000000000..0faa30207d
--- /dev/null
+++ b/lib/stdlib/test/stdlib_bench_SUITE_data/generic_server_timer.erl
@@ -0,0 +1,31 @@
+-module(generic_server_timer).
+
+-export([start/1, reply/2, stop/1]).
+
+-export([handle_call/3, handle_cast/2, init/1, terminate/2]).
+
+-behaviour(gen_server).
+
+-define(GEN_SERVER, gen_server).
+
+start(State) ->
+ {ok, Pid} = ?GEN_SERVER:start(?MODULE, State, []),
+ Pid.
+
+init(State) ->
+ {ok, State}.
+
+stop(P) ->
+ ok = ?GEN_SERVER:stop(P).
+
+reply(S, M) ->
+ ?GEN_SERVER:call(S, {reply, M}).
+
+handle_call({reply, M}, _From, State) ->
+ {reply, M, State}.
+
+handle_cast(_Msg, State) ->
+ {noreply, State}.
+
+terminate(_Reason, _State) ->
+ ok.
diff --git a/lib/stdlib/test/stdlib_bench_SUITE_data/simple_server.erl b/lib/stdlib/test/stdlib_bench_SUITE_data/simple_server.erl
new file mode 100644
index 0000000000..bd43f686e8
--- /dev/null
+++ b/lib/stdlib/test/stdlib_bench_SUITE_data/simple_server.erl
@@ -0,0 +1,31 @@
+-module(simple_server).
+
+%% Local process. No timer. No monitor.
+
+-export([start/1, reply/2, stop/1]).
+
+start(State) ->
+ spawn(fun() -> loop(State) end).
+
+stop(P) ->
+ P ! {stop, self()},
+ receive
+ ok ->
+ ok
+ end.
+
+loop(S) ->
+ receive
+ {reply, P, M} ->
+ P ! M,
+ loop(S);
+ {stop, P} ->
+ P ! ok
+ end.
+
+reply(P, M) ->
+ P ! {reply, self(), M},
+ receive
+ M ->
+ M
+ end.
diff --git a/lib/stdlib/test/stdlib_bench_SUITE_data/simple_server_mon.erl b/lib/stdlib/test/stdlib_bench_SUITE_data/simple_server_mon.erl
new file mode 100644
index 0000000000..9b5ace5586
--- /dev/null
+++ b/lib/stdlib/test/stdlib_bench_SUITE_data/simple_server_mon.erl
@@ -0,0 +1,33 @@
+-module(simple_server_mon).
+
+%% Local process. No timer. Monitor.
+
+-export([start/1, reply/2, stop/1]).
+
+start(State) ->
+ spawn(fun() -> loop(State) end).
+
+stop(P) ->
+ P ! {stop, self()},
+ receive
+ ok ->
+ ok
+ end.
+
+loop(S) ->
+ receive
+ {reply, P, Mref, M} ->
+ P ! {ok, Mref, M},
+ loop(S);
+ {stop, P} ->
+ P ! ok
+ end.
+
+reply(P, M) ->
+ Mref = erlang:monitor(process, P),
+ P ! {reply, self(), Mref, M},
+ receive
+ {ok, Mref, M} ->
+ erlang:demonitor(Mref, [flush]),
+ ok
+ end.
diff --git a/lib/stdlib/test/stdlib_bench_SUITE_data/simple_server_timer.erl b/lib/stdlib/test/stdlib_bench_SUITE_data/simple_server_timer.erl
new file mode 100644
index 0000000000..82381e1fdf
--- /dev/null
+++ b/lib/stdlib/test/stdlib_bench_SUITE_data/simple_server_timer.erl
@@ -0,0 +1,33 @@
+-module(simple_server_timer).
+
+%% Local process. Timer. No monitor.
+
+-export([start/1, reply/2, stop/1]).
+
+start(State) ->
+ spawn(fun() -> loop(State) end).
+
+stop(P) ->
+ P ! {stop, self()},
+ receive
+ ok ->
+ ok
+ end.
+
+loop(S) ->
+ receive
+ {reply, P, M} ->
+ P ! M,
+ loop(S);
+ {stop, P} ->
+ P ! ok
+ end.
+
+reply(P, M) ->
+ P ! {reply, self(), M},
+ receive
+ M ->
+ M
+ after 100 ->
+ exit(fel)
+ end.
diff --git a/lib/stdlib/test/stdlib_bench_SUITE_data/simple_server_timer_mon.erl b/lib/stdlib/test/stdlib_bench_SUITE_data/simple_server_timer_mon.erl
new file mode 100644
index 0000000000..6124ca29c2
--- /dev/null
+++ b/lib/stdlib/test/stdlib_bench_SUITE_data/simple_server_timer_mon.erl
@@ -0,0 +1,35 @@
+-module(simple_server_timer_mon).
+
+%% Local process. Timer. Monitor.
+
+-export([start/1, reply/2, stop/1]).
+
+start(State) ->
+ spawn(fun() -> loop(State) end).
+
+stop(P) ->
+ P ! {stop, self()},
+ receive
+ ok ->
+ ok
+ end.
+
+loop(S) ->
+ receive
+ {reply, P, Mref, M} ->
+ P ! {ok, Mref, M},
+ loop(S);
+ {stop, P} ->
+ P ! ok
+ end.
+
+reply(P, M) ->
+ Mref = erlang:monitor(process, P),
+ P ! {reply, self(), Mref, M},
+ receive
+ {ok, Mref, M} ->
+ erlang:demonitor(Mref, [flush]),
+ ok
+ after 100 ->
+ exit(fel)
+ end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 07:21:31 +0000