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Updated atomic_queue

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This commit is contained in:
Paul Fd 2020-03-14 18:36:09 +01:00
parent 501dd60d2b
commit 4e5893c048
3 changed files with 15 additions and 36 deletions
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47
src/external/atomic_queue/atomic_queue.h vendored
View file

@ -28,34 +28,13 @@ namespace details {
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
template<size_t elements_per_cache_line>
struct GetCacheLineIndexBits {
static int constexpr value = 0;
};
template<>
struct GetCacheLineIndexBits<64> {
static int constexpr value = 6;
};
template<>
struct GetCacheLineIndexBits<32> {
static int constexpr value = 5;
};
template<>
struct GetCacheLineIndexBits<16> {
static int constexpr value = 4;
};
template<>
struct GetCacheLineIndexBits<8> {
static int constexpr value = 3;
};
template<>
struct GetCacheLineIndexBits<4> {
static int constexpr value = 2;
};
template<>
struct GetCacheLineIndexBits<2> {
static int constexpr value = 1;
};
template<size_t elements_per_cache_line> struct GetCacheLineIndexBits { static int constexpr value = 0; };
template<> struct GetCacheLineIndexBits<64> { static int constexpr value = 6; };
template<> struct GetCacheLineIndexBits<32> { static int constexpr value = 5; };
template<> struct GetCacheLineIndexBits<16> { static int constexpr value = 4; };
template<> struct GetCacheLineIndexBits< 8> { static int constexpr value = 3; };
template<> struct GetCacheLineIndexBits< 4> { static int constexpr value = 2; };
template<> struct GetCacheLineIndexBits< 2> { static int constexpr value = 1; };
template<bool minimize_contention, unsigned array_size, size_t elements_per_cache_line>
struct GetIndexShuffleBits {
@ -321,7 +300,7 @@ public:
static_cast<Derived&>(*this).do_push(std::forward<T>(element), head);
}
Derived& pop() noexcept {
Derived pop() noexcept {
unsigned tail;
if(Derived::spsc_) {
tail = tail_.load(X);
@ -342,7 +321,7 @@ public:
return static_cast<int>(head_.load(X) - tail_.load(X)) >= static_cast<int>(static_cast<Derived const&>(*this).size_);
}
unsigned size() const noexcept {
unsigned capacity() const noexcept {
return static_cast<Derived const&>(*this).size_;
}
};
@ -491,7 +470,7 @@ public:
void swap(AtomicQueueB& b) noexcept {
using std::swap;
swap(static_cast<Base&>(*this), static_cast<Base&>(b));
this->Base::swap(b);
swap(static_cast<AllocatorElements&>(*this), static_cast<AllocatorElements&>(b));
swap(size_, b.size_);
swap(elements_, b.elements_);
@ -532,13 +511,13 @@ class AtomicQueueB2 : public AtomicQueueCommon<AtomicQueueB2<T, A, MAXIMIZE_THRO
static_assert(SHUFFLE_BITS, "Unexpected SHUFFLE_BITS.");
T do_pop(unsigned tail) noexcept {
unsigned index = details::remap_index<SHUFFLE_BITS>(tail % (size_ - 1));
unsigned index = details::remap_index<SHUFFLE_BITS>(tail & (size_ - 1));
return Base::template do_pop_any(states_[index], elements_[index]);
}
template<class U>
void do_push(U&& element, unsigned head) noexcept {
unsigned index = details::remap_index<SHUFFLE_BITS>(head % (size_ - 1));
unsigned index = details::remap_index<SHUFFLE_BITS>(head & (size_ - 1));
Base::template do_push_any(std::forward<U>(element), states_[index], elements_[index]);
}
@ -588,7 +567,7 @@ public:
void swap(AtomicQueueB2& b) noexcept {
using std::swap;
swap(static_cast<Base&>(*this), static_cast<Base&>(b));
this->Base::swap(b);
swap(static_cast<AllocatorElements&>(*this), static_cast<AllocatorElements&>(b));
swap(static_cast<AllocatorStates&>(*this), static_cast<AllocatorStates&>(b));
swap(size_, b.size_);

2
src/external/atomic_queue/defs.h vendored
View file

@ -45,7 +45,7 @@ static inline void spin_loop_pause() noexcept {
namespace atomic_queue {
#if defined(__GNUC__)
#if defined(__GNUC__) || defined(__clang__)
#define ATOMIC_QUEUE_LIKELY(expr) __builtin_expect(static_cast<bool>(expr), 1)
#define ATOMIC_QUEUE_UNLIKELY(expr) __builtin_expect(static_cast<bool>(expr), 0)
#else

2
src/sfizz/FilePool.cpp
View file

@ -245,7 +245,7 @@ sfz::FilePromisePtr sfz::FilePool::getFilePromise(const std::string& filename) n
promise->creationTime = std::chrono::high_resolution_clock::now();
if (!promiseQueue.try_push(promise)) {
DBG("[sfizz] Could not enqueue the promise for " << filename << " (queue size " << promiseQueue.size() << ")");
DBG("[sfizz] Could not enqueue the promise for " << filename << " (queue capacity " << promiseQueue.capacity() << ")");
return {};
}