mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-08-21 15:53:23 +02:00
Merge pull request #431 from yuriks/thread-queue-cleanup
Common: Clean up ThreadQueueList
This commit is contained in:
commit
e6864a1f41
@ -4,55 +4,35 @@
|
|||||||
|
|
||||||
#pragma once
|
#pragma once
|
||||||
|
|
||||||
|
#include <array>
|
||||||
|
#include <deque>
|
||||||
|
|
||||||
|
#include <boost/range/algorithm_ext/erase.hpp>
|
||||||
|
|
||||||
#include "common/common.h"
|
#include "common/common.h"
|
||||||
|
|
||||||
namespace Common {
|
namespace Common {
|
||||||
|
|
||||||
template<class IdType>
|
template<class T, unsigned int N>
|
||||||
struct ThreadQueueList {
|
struct ThreadQueueList {
|
||||||
// Number of queues (number of priority levels starting at 0.)
|
// TODO(yuriks): If performance proves to be a problem, the std::deques can be replaced with
|
||||||
static const int NUM_QUEUES = 128;
|
// (dynamically resizable) circular buffers to remove their overhead when
|
||||||
|
// inserting and popping.
|
||||||
|
|
||||||
// Initial number of threads a single queue can handle.
|
typedef unsigned int Priority;
|
||||||
static const int INITIAL_CAPACITY = 32;
|
|
||||||
|
|
||||||
struct Queue {
|
// Number of priority levels. (Valid levels are [0..NUM_QUEUES).)
|
||||||
// Next ever-been-used queue (worse priority.)
|
static const Priority NUM_QUEUES = N;
|
||||||
Queue *next;
|
|
||||||
// First valid item in data.
|
|
||||||
int first;
|
|
||||||
// One after last valid item in data.
|
|
||||||
int end;
|
|
||||||
// A too-large array with room on the front and end.
|
|
||||||
IdType *data;
|
|
||||||
// Size of data array.
|
|
||||||
int capacity;
|
|
||||||
};
|
|
||||||
|
|
||||||
ThreadQueueList() {
|
ThreadQueueList() {
|
||||||
memset(queues, 0, sizeof(queues));
|
first = nullptr;
|
||||||
first = invalid();
|
|
||||||
}
|
|
||||||
|
|
||||||
~ThreadQueueList() {
|
|
||||||
for (int i = 0; i < NUM_QUEUES; ++i)
|
|
||||||
{
|
|
||||||
if (queues[i].data != nullptr)
|
|
||||||
free(queues[i].data);
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
// Only for debugging, returns priority level.
|
// Only for debugging, returns priority level.
|
||||||
int contains(const IdType uid) {
|
Priority contains(const T& uid) {
|
||||||
for (int i = 0; i < NUM_QUEUES; ++i)
|
for (Priority i = 0; i < NUM_QUEUES; ++i) {
|
||||||
{
|
Queue& cur = queues[i];
|
||||||
if (queues[i].data == nullptr)
|
if (std::find(cur.data.cbegin(), cur.data.cend(), uid) != cur.data.cend()) {
|
||||||
continue;
|
|
||||||
|
|
||||||
Queue *cur = &queues[i];
|
|
||||||
for (int j = cur->first; j < cur->end; ++j)
|
|
||||||
{
|
|
||||||
if (cur->data[j] == uid)
|
|
||||||
return i;
|
return i;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -60,157 +40,107 @@ struct ThreadQueueList {
|
|||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
inline IdType pop_first() {
|
T pop_first() {
|
||||||
Queue *cur = first;
|
Queue *cur = first;
|
||||||
while (cur != invalid())
|
while (cur != nullptr) {
|
||||||
{
|
if (!cur->data.empty()) {
|
||||||
if (cur->end - cur->first > 0)
|
auto tmp = std::move(cur->data.front());
|
||||||
return cur->data[cur->first++];
|
cur->data.pop_front();
|
||||||
cur = cur->next;
|
return tmp;
|
||||||
|
}
|
||||||
|
cur = cur->next_nonempty;
|
||||||
}
|
}
|
||||||
|
|
||||||
//_dbg_assert_msg_(SCEKERNEL, false, "ThreadQueueList should not be empty.");
|
return T();
|
||||||
return 0;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
inline IdType pop_first_better(u32 priority) {
|
T pop_first_better(Priority priority) {
|
||||||
Queue *cur = first;
|
Queue *cur = first;
|
||||||
Queue *stop = &queues[priority];
|
Queue *stop = &queues[priority];
|
||||||
while (cur < stop)
|
while (cur < stop) {
|
||||||
{
|
if (!cur->data.empty()) {
|
||||||
if (cur->end - cur->first > 0)
|
auto tmp = std::move(cur->data.front());
|
||||||
return cur->data[cur->first++];
|
cur->data.pop_front();
|
||||||
cur = cur->next;
|
return tmp;
|
||||||
|
}
|
||||||
|
cur = cur->next_nonempty;
|
||||||
}
|
}
|
||||||
|
|
||||||
return 0;
|
return T();
|
||||||
}
|
}
|
||||||
|
|
||||||
inline void push_front(u32 priority, const IdType threadID) {
|
void push_front(Priority priority, const T& thread_id) {
|
||||||
Queue *cur = &queues[priority];
|
Queue *cur = &queues[priority];
|
||||||
cur->data[--cur->first] = threadID;
|
cur->data.push_front(thread_id);
|
||||||
if (cur->first == 0)
|
|
||||||
rebalance(priority);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
inline void push_back(u32 priority, const IdType threadID) {
|
void push_back(Priority priority, const T& thread_id) {
|
||||||
Queue *cur = &queues[priority];
|
Queue *cur = &queues[priority];
|
||||||
cur->data[cur->end++] = threadID;
|
cur->data.push_back(thread_id);
|
||||||
if (cur->end == cur->capacity)
|
|
||||||
rebalance(priority);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
inline void remove(u32 priority, const IdType threadID) {
|
void remove(Priority priority, const T& thread_id) {
|
||||||
Queue *cur = &queues[priority];
|
Queue *cur = &queues[priority];
|
||||||
//_dbg_assert_msg_(SCEKERNEL, cur->next != NULL, "ThreadQueueList::Queue should already be linked up.");
|
boost::remove_erase(cur->data, thread_id);
|
||||||
|
|
||||||
for (int i = cur->first; i < cur->end; ++i)
|
|
||||||
{
|
|
||||||
if (cur->data[i] == threadID)
|
|
||||||
{
|
|
||||||
int remaining = --cur->end - i;
|
|
||||||
if (remaining > 0)
|
|
||||||
memmove(&cur->data[i], &cur->data[i + 1], remaining * sizeof(IdType));
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
// Wasn't there.
|
void rotate(Priority priority) {
|
||||||
}
|
|
||||||
|
|
||||||
inline void rotate(u32 priority) {
|
|
||||||
Queue *cur = &queues[priority];
|
Queue *cur = &queues[priority];
|
||||||
//_dbg_assert_msg_(SCEKERNEL, cur->next != NULL, "ThreadQueueList::Queue should already be linked up.");
|
|
||||||
|
|
||||||
if (cur->end - cur->first > 1)
|
if (cur->data.size() > 1) {
|
||||||
{
|
cur->data.push_back(std::move(cur->data.front()));
|
||||||
cur->data[cur->end++] = cur->data[cur->first++];
|
cur->data.pop_front();
|
||||||
if (cur->end == cur->capacity)
|
|
||||||
rebalance(priority);
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
inline void clear() {
|
void clear() {
|
||||||
for (int i = 0; i < NUM_QUEUES; ++i)
|
queues.fill(Queue());
|
||||||
{
|
first = nullptr;
|
||||||
if (queues[i].data != nullptr)
|
|
||||||
free(queues[i].data);
|
|
||||||
}
|
|
||||||
memset(queues, 0, sizeof(queues));
|
|
||||||
first = invalid();
|
|
||||||
}
|
}
|
||||||
|
|
||||||
inline bool empty(u32 priority) const {
|
bool empty(Priority priority) const {
|
||||||
const Queue *cur = &queues[priority];
|
const Queue *cur = &queues[priority];
|
||||||
return cur->first == cur->end;
|
return cur->data.empty();
|
||||||
}
|
}
|
||||||
|
|
||||||
inline void prepare(u32 priority) {
|
void prepare(Priority priority) {
|
||||||
Queue *cur = &queues[priority];
|
Queue* cur = &queues[priority];
|
||||||
if (cur->next == nullptr)
|
if (cur->next_nonempty == UnlinkedTag())
|
||||||
link(priority, INITIAL_CAPACITY);
|
link(priority);
|
||||||
}
|
}
|
||||||
|
|
||||||
private:
|
private:
|
||||||
Queue *invalid() const {
|
struct Queue {
|
||||||
return (Queue *) -1;
|
// Points to the next active priority, skipping over ones that have never been used.
|
||||||
|
Queue* next_nonempty = UnlinkedTag();
|
||||||
|
// Double-ended queue of threads in this priority level
|
||||||
|
std::deque<T> data;
|
||||||
|
};
|
||||||
|
|
||||||
|
/// Special tag used to mark priority levels that have never been used.
|
||||||
|
static Queue* UnlinkedTag() {
|
||||||
|
return reinterpret_cast<Queue*>(1);
|
||||||
}
|
}
|
||||||
|
|
||||||
void link(u32 priority, int size) {
|
void link(Priority priority) {
|
||||||
//_dbg_assert_msg_(SCEKERNEL, queues[priority].data == NULL, "ThreadQueueList::Queue should only be initialized once.");
|
|
||||||
|
|
||||||
if (size <= INITIAL_CAPACITY)
|
|
||||||
size = INITIAL_CAPACITY;
|
|
||||||
else
|
|
||||||
{
|
|
||||||
int goal = size;
|
|
||||||
size = INITIAL_CAPACITY;
|
|
||||||
while (size < goal)
|
|
||||||
size *= 2;
|
|
||||||
}
|
|
||||||
Queue *cur = &queues[priority];
|
Queue *cur = &queues[priority];
|
||||||
cur->data = (IdType *) malloc(sizeof(IdType) * size);
|
|
||||||
cur->capacity = size;
|
|
||||||
cur->first = size / 2;
|
|
||||||
cur->end = size / 2;
|
|
||||||
|
|
||||||
for (int i = (int) priority - 1; i >= 0; --i)
|
for (int i = priority - 1; i >= 0; --i) {
|
||||||
{
|
if (queues[i].next_nonempty != UnlinkedTag()) {
|
||||||
if (queues[i].next != nullptr)
|
cur->next_nonempty = queues[i].next_nonempty;
|
||||||
{
|
queues[i].next_nonempty = cur;
|
||||||
cur->next = queues[i].next;
|
|
||||||
queues[i].next = cur;
|
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
cur->next = first;
|
cur->next_nonempty = first;
|
||||||
first = cur;
|
first = cur;
|
||||||
}
|
}
|
||||||
|
|
||||||
void rebalance(u32 priority) {
|
|
||||||
Queue *cur = &queues[priority];
|
|
||||||
int size = cur->end - cur->first;
|
|
||||||
if (size >= cur->capacity - 2) {
|
|
||||||
IdType *new_data = (IdType *)realloc(cur->data, cur->capacity * 2 * sizeof(IdType));
|
|
||||||
if (new_data != nullptr) {
|
|
||||||
cur->capacity *= 2;
|
|
||||||
cur->data = new_data;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
int newFirst = (cur->capacity - size) / 2;
|
|
||||||
if (newFirst != cur->first) {
|
|
||||||
memmove(&cur->data[newFirst], &cur->data[cur->first], size * sizeof(IdType));
|
|
||||||
cur->first = newFirst;
|
|
||||||
cur->end = newFirst + size;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// The first queue that's ever been used.
|
// The first queue that's ever been used.
|
||||||
Queue *first;
|
Queue* first;
|
||||||
// The priority level queues of thread ids.
|
// The priority level queues of thread ids.
|
||||||
Queue queues[NUM_QUEUES];
|
std::array<Queue, NUM_QUEUES> queues;
|
||||||
};
|
};
|
||||||
|
|
||||||
} // namespace
|
} // namespace
|
||||||
|
@ -75,7 +75,7 @@ public:
|
|||||||
static std::vector<Handle> thread_queue;
|
static std::vector<Handle> thread_queue;
|
||||||
|
|
||||||
// Lists only ready thread ids.
|
// Lists only ready thread ids.
|
||||||
static Common::ThreadQueueList<Handle> thread_ready_queue;
|
static Common::ThreadQueueList<Handle, THREADPRIO_LOWEST+1> thread_ready_queue;
|
||||||
|
|
||||||
static Handle current_thread_handle;
|
static Handle current_thread_handle;
|
||||||
static Thread* current_thread;
|
static Thread* current_thread;
|
||||||
|
Loading…
Reference in New Issue
Block a user