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-rw-r--r--protocols/Telegram/tdlib/td/benchmark/bench_actor.cpp290
1 files changed, 290 insertions, 0 deletions
diff --git a/protocols/Telegram/tdlib/td/benchmark/bench_actor.cpp b/protocols/Telegram/tdlib/td/benchmark/bench_actor.cpp
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+++ b/protocols/Telegram/tdlib/td/benchmark/bench_actor.cpp
@@ -0,0 +1,290 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#include "td/utils/benchmark.h"
+
+#include "td/actor/actor.h"
+#include "td/actor/PromiseFuture.h"
+
+#include "td/utils/logging.h"
+
+#include <algorithm>
+
+#if TD_MSVC
+#pragma comment(linker, "/STACK:16777216")
+#endif
+
+template <int type>
+class RingBench : public td::Benchmark {
+ public:
+ struct PassActor;
+
+ private:
+ int actor_n_;
+ int thread_n_;
+ std::vector<td::ActorId<PassActor>> actor_array_;
+ td::ConcurrentScheduler *scheduler_;
+
+ public:
+ std::string get_description() const override {
+ static const char *types[] = {"later", "immediate", "raw", "tail", "lambda"};
+ static_assert(0 <= type && type < 5, "");
+ return PSTRING() << "Ring (send_" << types[type] << ") (threads_n = " << thread_n_ << ")";
+ }
+
+ struct PassActor : public td::Actor {
+ int id;
+ td::ActorId<PassActor> next_actor;
+ int start_n = 0;
+
+ void pass(int n) {
+ // LOG(INFO) << "pass: " << n;
+ if (n == 0) {
+ td::Scheduler::instance()->finish();
+ } else {
+ if (type == 0) {
+ send_closure_later(next_actor, &PassActor::pass, n - 1);
+ } else if (type == 1) {
+ send_closure(next_actor, &PassActor::pass, n - 1);
+ } else if (type == 2) {
+ send_event(next_actor, td::Event::raw(static_cast<td::uint32>(n - 1)));
+ } else if (type == 3) {
+ if (n % 5000 == 0) {
+ send_closure_later(next_actor, &PassActor::pass, n - 1);
+ } else {
+ // TODO: it is three times faster than send_event
+ // may be send event could be further optimized?
+ ::td::Scheduler::instance()->hack(static_cast<td::ActorId<Actor>>(next_actor),
+ td::Event::raw(static_cast<td::uint32>(n - 1)));
+ }
+ } else if (type == 4) {
+ send_lambda(next_actor, [=, ptr = next_actor.get_actor_unsafe()] { ptr->pass(n - 1); });
+ }
+ }
+ }
+
+ void raw_event(const td::Event::Raw &raw) override {
+ pass(static_cast<int>(raw.u32));
+ }
+
+ void start_up() override {
+ yield();
+ }
+ void wakeup() override {
+ if (start_n != 0) {
+ int n = start_n;
+ start_n = 0;
+ pass(n);
+ }
+ }
+ };
+
+ RingBench(int actor_n, int thread_n) : actor_n_(actor_n), thread_n_(thread_n) {
+ }
+
+ void start_up() override {
+ scheduler_ = new td::ConcurrentScheduler();
+ scheduler_->init(thread_n_);
+
+ actor_array_ = std::vector<td::ActorId<PassActor>>(actor_n_);
+ for (int i = 0; i < actor_n_; i++) {
+ actor_array_[i] =
+ scheduler_->create_actor_unsafe<PassActor>(thread_n_ ? i % thread_n_ : 0, "PassActor").release();
+ actor_array_[i].get_actor_unsafe()->id = i;
+ }
+ for (int i = 0; i < actor_n_; i++) {
+ actor_array_[i].get_actor_unsafe()->next_actor = actor_array_[(i + 1) % actor_n_];
+ }
+ scheduler_->start();
+ }
+
+ void run(int n) override {
+ // first actor is on main_thread
+ actor_array_[0].get_actor_unsafe()->start_n = std::max(n, 100);
+ while (scheduler_->run_main(10)) {
+ // empty
+ }
+ }
+
+ void tear_down() override {
+ scheduler_->finish();
+ delete scheduler_;
+ }
+};
+
+template <int type>
+class QueryBench : public td::Benchmark {
+ public:
+ std::string get_description() const override {
+ static const char *types[] = {"callback", "immediate future", "delayed future", "dummy", "lambda", "lambda_future"};
+ static_assert(0 <= type && type < 6, "");
+ return PSTRING() << "QueryBench: " << types[type];
+ }
+
+ class ClientActor : public td::Actor {
+ public:
+ class Callback {
+ public:
+ Callback() = default;
+ Callback(const Callback &) = delete;
+ Callback &operator=(const Callback &) = delete;
+ Callback(Callback &&) = delete;
+ Callback &operator=(Callback &&) = delete;
+ virtual ~Callback() = default;
+ virtual void on_result(int x) = 0;
+ };
+ explicit ClientActor(std::unique_ptr<Callback> callback) : callback_(std::move(callback)) {
+ }
+ void f(int x) {
+ callback_->on_result(x * x);
+ }
+ void dummy(int x, int *y) {
+ *y = x * x;
+ }
+ void f_immediate_promise(int x, td::PromiseActor<int> &&promise) {
+ promise.set_value(x * x);
+ }
+ void f_promise(td::Promise<> promise) {
+ promise.set_value(td::Unit());
+ }
+
+ private:
+ std::unique_ptr<Callback> callback_;
+ };
+
+ class ServerActor : public td::Actor {
+ public:
+ class ClientCallback : public ClientActor::Callback {
+ public:
+ explicit ClientCallback(td::ActorId<ServerActor> server) : server_(server) {
+ }
+ void on_result(int x) override {
+ send_closure(server_, &ServerActor::on_result, x);
+ }
+
+ private:
+ td::ActorId<ServerActor> server_;
+ };
+ void start_up() override {
+ client_ = td::create_actor<ClientActor>("Client", td::make_unique<ClientCallback>(actor_id(this))).release();
+ }
+
+ void on_result(int x) {
+ CHECK(x == n_ * n_);
+ wakeup();
+ }
+
+ void wakeup() override {
+ while (true) {
+ if (n_ < 0) {
+ td::Scheduler::instance()->finish();
+ return;
+ }
+ n_--;
+ if (type == 0) {
+ send_closure(client_, &ClientActor::f, n_);
+ return;
+ } else if (type == 1) {
+ td::PromiseActor<int> promise;
+ td::FutureActor<int> future;
+ init_promise_future(&promise, &future);
+ send_closure(client_, &ClientActor::f_immediate_promise, n_, std::move(promise));
+ int val = future.move_as_ok();
+ CHECK(val == n_ * n_);
+ } else if (type == 2) {
+ td::PromiseActor<int> promise;
+ init_promise_future(&promise, &future_);
+ future_.set_event(td::EventCreator::raw(actor_id(), static_cast<td::uint64>(1)));
+ send_closure(client_, &ClientActor::f_immediate_promise, n_, std::move(promise));
+ return;
+ } else if (type == 3) {
+ int res;
+ send_closure(client_, &ClientActor::dummy, n_, &res);
+ } else if (type == 4) {
+ int val = 0;
+ send_lambda(client_, [&] { val = n_ * n_; });
+ } else if (type == 5) {
+ send_closure(client_, &ClientActor::f_promise,
+ td::PromiseCreator::lambda(
+ [id = actor_id(this), n = n_](td::Unit) { send_closure(id, &ServerActor::result, n * n); }));
+ return;
+ }
+ }
+ }
+
+ void run(int n) {
+ n_ = n;
+ wakeup();
+ }
+
+ void raw_event(const td::Event::Raw &event) override {
+ int val = future_.move_as_ok();
+ CHECK(val == n_ * n_);
+ wakeup();
+ }
+ void result(int val) {
+ CHECK(val == n_ * n_);
+ wakeup();
+ }
+
+ private:
+ td::ActorId<ClientActor> client_;
+ int n_;
+ td::FutureActor<int> future_;
+ };
+
+ void start_up() override {
+ scheduler_ = new td::ConcurrentScheduler();
+ scheduler_->init(0);
+
+ server_ = scheduler_->create_actor_unsafe<ServerActor>(0, "Server");
+ scheduler_->start();
+ }
+
+ void run(int n) override {
+ // first actor is on main_thread
+ {
+ auto guard = scheduler_->get_current_guard();
+ send_closure(server_, &ServerActor::run, n);
+ }
+ while (scheduler_->run_main(10)) {
+ // empty
+ }
+ }
+
+ void tear_down() override {
+ server_.release();
+ scheduler_->finish();
+ delete scheduler_;
+ }
+
+ private:
+ td::ConcurrentScheduler *scheduler_;
+ td::ActorOwn<ServerActor> server_;
+};
+
+int main() {
+ SET_VERBOSITY_LEVEL(VERBOSITY_NAME(DEBUG));
+ bench(RingBench<4>(504, 0));
+ bench(RingBench<3>(504, 0));
+ bench(RingBench<0>(504, 0));
+ bench(RingBench<1>(504, 0));
+ bench(RingBench<2>(504, 0));
+ bench(QueryBench<5>());
+ bench(QueryBench<4>());
+ bench(QueryBench<2>());
+ bench(QueryBench<3>());
+ bench(QueryBench<1>());
+ bench(QueryBench<0>());
+ bench(RingBench<3>(504, 0));
+ bench(RingBench<0>(504, 10));
+ bench(RingBench<1>(504, 10));
+ bench(RingBench<2>(504, 10));
+ bench(RingBench<0>(504, 2));
+ bench(RingBench<1>(504, 2));
+ bench(RingBench<2>(504, 2));
+ return 0;
+}
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