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Garbage Collection: Adress Feedback.

This commit is contained in:
Fernando Sahmkow 2021-08-29 18:19:53 +02:00
parent ba82bb359b
commit ff48f06fb9
4 changed files with 23 additions and 17 deletions

View File

@ -29,11 +29,11 @@ public:
~LeastRecentlyUsedCache() = default; ~LeastRecentlyUsedCache() = default;
size_t Insert(ObjectType obj, TickType tick) { size_t Insert(ObjectType obj, TickType tick) {
const auto new_id = build(); const auto new_id = Build();
auto& item = item_pool[new_id]; auto& item = item_pool[new_id];
item.obj = obj; item.obj = obj;
item.tick = tick; item.tick = tick;
attach(item); Attach(item);
return new_id; return new_id;
} }
@ -46,13 +46,13 @@ public:
if (&item == last_item) { if (&item == last_item) {
return; return;
} }
detach(item); Detach(item);
attach(item); Attach(item);
} }
void Free(size_t id) { void Free(size_t id) {
auto& item = item_pool[id]; auto& item = item_pool[id];
detach(item); Detach(item);
item.prev = nullptr; item.prev = nullptr;
item.next = nullptr; item.next = nullptr;
free_items.push_back(id); free_items.push_back(id);
@ -80,11 +80,10 @@ public:
} }
private: private:
size_t build() { size_t Build() {
if (free_items.empty()) { if (free_items.empty()) {
const size_t item_id = item_pool.size(); const size_t item_id = item_pool.size();
item_pool.emplace_back(); auto& item = item_pool.emplace_back();
auto& item = item_pool[item_id];
item.next = nullptr; item.next = nullptr;
item.prev = nullptr; item.prev = nullptr;
return item_id; return item_id;
@ -97,7 +96,7 @@ private:
return item_id; return item_id;
} }
void attach(Item& item) { void Attach(Item& item) {
if (!first_item) { if (!first_item) {
first_item = &item; first_item = &item;
} }
@ -111,7 +110,7 @@ private:
} }
} }
void detach(Item& item) { void Detach(Item& item) {
if (item.prev) { if (item.prev) {
item.prev->next = item.next; item.prev->next = item.next;
} }
@ -134,8 +133,8 @@ private:
std::deque<Item> item_pool; std::deque<Item> item_pool;
std::deque<size_t> free_items; std::deque<size_t> free_items;
Item* first_item; Item* first_item{};
Item* last_item; Item* last_item{};
}; };
} // namespace Common } // namespace Common

View File

@ -297,7 +297,13 @@ public:
return words.size_bytes; return words.size_bytes;
} }
size_t lru_id; size_t getLRUID() const noexcept {
return lru_id;
}
void setLRUID(size_t lru_id_) {
lru_id = lru_id_;
}
private: private:
template <Type type> template <Type type>
@ -597,6 +603,7 @@ private:
Words words; Words words;
BufferFlagBits flags{}; BufferFlagBits flags{};
int stream_score = 0; int stream_score = 0;
size_t lru_id = SIZE_MAX;
}; };
} // namespace VideoCommon } // namespace VideoCommon

View File

@ -1539,10 +1539,10 @@ void BufferCache<P>::ChangeRegister(BufferId buffer_id) {
const auto size = buffer.SizeBytes(); const auto size = buffer.SizeBytes();
if (insert) { if (insert) {
total_used_memory += Common::AlignUp(size, 1024); total_used_memory += Common::AlignUp(size, 1024);
buffer.lru_id = lru_cache.Insert(buffer_id, frame_tick); buffer.setLRUID(lru_cache.Insert(buffer_id, frame_tick));
} else { } else {
total_used_memory -= Common::AlignUp(size, 1024); total_used_memory -= Common::AlignUp(size, 1024);
lru_cache.Free(buffer.lru_id); lru_cache.Free(buffer.getLRUID());
} }
const VAddr cpu_addr_begin = buffer.CpuAddr(); const VAddr cpu_addr_begin = buffer.CpuAddr();
const VAddr cpu_addr_end = cpu_addr_begin + size; const VAddr cpu_addr_end = cpu_addr_begin + size;
@ -1560,7 +1560,7 @@ void BufferCache<P>::ChangeRegister(BufferId buffer_id) {
template <class P> template <class P>
void BufferCache<P>::TouchBuffer(Buffer& buffer, BufferId buffer_id) noexcept { void BufferCache<P>::TouchBuffer(Buffer& buffer, BufferId buffer_id) noexcept {
if (buffer_id != NULL_BUFFER_ID) { if (buffer_id != NULL_BUFFER_ID) {
lru_cache.Touch(buffer.lru_id, frame_tick); lru_cache.Touch(buffer.getLRUID(), frame_tick);
} }
} }

View File

@ -80,7 +80,7 @@ struct ImageBase {
VAddr cpu_addr_end = 0; VAddr cpu_addr_end = 0;
u64 modification_tick = 0; u64 modification_tick = 0;
size_t lru_index = ~0; size_t lru_index = SIZE_MAX;
std::array<u32, MAX_MIP_LEVELS> mip_level_offsets{}; std::array<u32, MAX_MIP_LEVELS> mip_level_offsets{};