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Merge pull request #8531 from FernandoS27/core-timing-fix-reg

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Core timing: use only one thread.
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liamwhite 2022-07-10 00:47:05 -04:00 committed by GitHub
commit c765d5be0b
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2 changed files with 2 additions and 12 deletions
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12
src/core/core_timing.cpp
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@ -61,12 +61,7 @@ void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
const auto empty_timed_callback = [](std::uintptr_t, std::chrono::nanoseconds) {};
ev_lost = CreateEvent("_lost_event", empty_timed_callback);
if (is_multicore) {
const auto hardware_concurrency = std::thread::hardware_concurrency();
size_t id = 0;
worker_threads.emplace_back(ThreadEntry, std::ref(*this), id++);
if (hardware_concurrency > 8) {
worker_threads.emplace_back(ThreadEntry, std::ref(*this), id++);
}
worker_threads.emplace_back(ThreadEntry, std::ref(*this), 0);
}
}
@ -228,14 +223,11 @@ std::optional<s64> CoreTiming::Advance() {
event_queue.pop_back();
if (const auto event_type{evt.type.lock()}) {
sequence_mutex.lock();
event_mutex.unlock();
event_type->guard.lock();
sequence_mutex.unlock();
const s64 delay = static_cast<s64>(GetGlobalTimeNs().count() - evt.time);
event_type->callback(evt.user_data, std::chrono::nanoseconds{delay});
event_type->guard.unlock();
event_mutex.lock();
pending_events.fetch_sub(1, std::memory_order_relaxed);

2
src/core/core_timing.h
View file

@ -32,7 +32,6 @@ struct EventType {
TimedCallback callback;
/// A pointer to the name of the event.
const std::string name;
mutable std::mutex guard;
};
/**
@ -157,7 +156,6 @@ private:
std::condition_variable wait_pause_cv;
std::condition_variable wait_signal_cv;
mutable std::mutex event_mutex;
mutable std::mutex sequence_mutex;
std::atomic<bool> paused_state{};
bool is_paused{};