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-rw-r--r--lib/stdlib/test/stdlib_bench_SUITE.erl106
1 files changed, 62 insertions, 44 deletions
diff --git a/lib/stdlib/test/stdlib_bench_SUITE.erl b/lib/stdlib/test/stdlib_bench_SUITE.erl
index cc7e070dbd..9ad4bae2f5 100644
--- a/lib/stdlib/test/stdlib_bench_SUITE.erl
+++ b/lib/stdlib/test/stdlib_bench_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2012-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2012-2018. 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.
@@ -281,7 +281,7 @@ comparison(Kind) ->
SimpleTimerMon = norm(SimpleTimerMon0, Simple0),
Generic = norm(Generic0, Simple0),
GenericTimer = norm(GenericTimer0, Simple0),
- {Parallelism, _N, Message} = bench_params(Kind),
+ {Parallelism, 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, "
@@ -296,79 +296,78 @@ comparison(Kind) ->
{comment, C}.
norm(T, Ref) ->
- io_lib:format("~.2f", [T/Ref]).
+ io_lib:format("~.2f", [Ref/T]).
+
+-define(MAX_TIME_SECS, 3). % s
+-define(MAX_TIME, 1000 * ?MAX_TIME_SECS). % ms
+-define(CALLS_PER_LOOP, 5).
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),
+ {Parallelism, Message} = bench_params(ParamSet),
+ Fun = create_clients(Message, ServerMod, Client, Parallelism),
+ {TotalLoops, AllPidTime} = run_test(Fun),
+ PerSecond = ?CALLS_PER_LOOP * round((1000 * TotalLoops) / AllPidTime),
ct_event:notify(#event{name = benchmark_data,
data = [{suite,"stdlib_gen_server"},
{value,PerSecond}]}),
- Time.
+ PerSecond.
+
+-define(COUNTER, n).
-simple_client(0, _, _P) ->
- ok;
simple_client(N, M, P) ->
+ put(?COUNTER, N),
_ = 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(N+1, M, P).
-simple_client_timer(0, _, _P) ->
- ok;
simple_client_timer(N, M, P) ->
+ put(?COUNTER, N),
_ = 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_timer(N+1, M, P).
-simple_client_mon(0, _, _P) ->
- ok;
simple_client_mon(N, M, P) ->
+ put(?COUNTER, N),
_ = 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_mon(N+1, M, P).
-simple_client_timer_mon(0, _, _P) ->
- ok;
simple_client_timer_mon(N, M, P) ->
+ put(?COUNTER, N),
_ = 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).
+ simple_client_timer_mon(N+1, M, P).
-generic_client(0, _, _P) ->
- ok;
generic_client(N, M, P) ->
+ put(?COUNTER, N),
_ = 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_client(N+1, M, P).
-generic_timer_client(0, _, _P) ->
- ok;
generic_timer_client(N, M, P) ->
+ put(?COUNTER, N),
_ = 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).
+ generic_timer_client(N+1, M, P).
bench(simple) ->
{fun simple_client/3, simple_server};
@@ -383,16 +382,16 @@ bench(generic) ->
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()}.
+%% -> {Parallelism, MessageTerm}
+bench_params(single_small) -> {1, small()};
+bench_params(single_medium) -> {1, medium()};
+bench_params(single_big) -> {1, big()};
+bench_params(sched_small) -> {parallelism(), small()};
+bench_params(sched_medium) -> {parallelism(), medium()};
+bench_params(sched_big) -> {parallelism(), big()};
+bench_params(multi_small) -> {400, small()};
+bench_params(multi_medium) -> {400, medium()};
+bench_params(multi_big) -> {400, big()}.
small() ->
small.
@@ -409,19 +408,38 @@ parallelism() ->
_ -> 1
end.
-create_clients(N, M, ServerMod, Client, Parallel) ->
+create_clients(M, ServerMod, Client, Parallel) ->
fun() ->
State = term,
ServerPid = ServerMod:start(State),
- PidRefs = [spawn_monitor(fun() -> Client(N, M, ServerPid) end) ||
+ PidRefs = [spawn_monitor(fun() -> Client(0, M, ServerPid) end) ||
_ <- lists:seq(1, Parallel)],
- _ = [receive {'DOWN', Ref, _, _, _} -> ok end ||
- {_Pid, Ref} <- PidRefs],
- ok = ServerMod:stop(ServerPid)
+ timer:sleep(?MAX_TIME),
+ try
+ AllPidsN = collect(PidRefs, []),
+ TotalLoops = lists:sum(AllPidsN),
+ TotalLoops
+ after
+ ok = ServerMod:stop(ServerPid)
+ end
end.
+collect([], Result) ->
+ Result;
+collect([{Pid, Ref}|PidRefs], Result) ->
+ N = case erlang:process_info(Pid, dictionary) of
+ {dictionary, Dict} ->
+ {?COUNTER, N0} = lists:keyfind(?COUNTER, 1, Dict),
+ N0;
+ undefined -> % Process did not start in ?MAX_TIME_SECS.
+ 0
+ end,
+ exit(Pid, kill),
+ receive {'DOWN', Ref, _, _, _} -> ok end,
+ collect(PidRefs, [N|Result]).
+
run_test(Test) ->
{T1, _} = statistics(runtime),
- Test(),
+ Result = Test(),
{T2, _} = statistics(runtime),
- T2 - T1.
+ {Result, T2 - T1}.
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 12:06:05 +0000