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atomic.cpp: add sparse atomics

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Set alignment as second template argument (typically cache line).
This commit is contained in:
Nekotekina 2020-10-26 00:28:58 +03:00
parent 130a0ef20e
commit d344701fd5
4 changed files with 11 additions and 11 deletions
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8
Utilities/BEType.h
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@ -492,10 +492,10 @@ template <typename T>
using to_le_t = typename to_se<T, std::endian::big == std::endian::native>::type; using to_le_t = typename to_se<T, std::endian::big == std::endian::native>::type;
// BE/LE aliases for atomic_t // BE/LE aliases for atomic_t
template <typename T> template <typename T, std::size_t Align = alignof(T)>
using atomic_be_t = atomic_t<be_t<T>>; using atomic_be_t = atomic_t<be_t<T>, Align>;
template <typename T> template <typename T, std::size_t Align = alignof(T)>
using atomic_le_t = atomic_t<le_t<T>>; using atomic_le_t = atomic_t<le_t<T>, Align>;
template <typename T, bool Se, std::size_t Align> template <typename T, bool Se, std::size_t Align>
struct fmt_unveil<se_t<T, Se, Align>, void> struct fmt_unveil<se_t<T, Se, Align>, void>

2
Utilities/types.h
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@ -242,7 +242,7 @@ namespace fmt
const fmt_type_info* get_type_info(); const fmt_type_info* get_type_info();
} }
template <typename T> template <typename T, std::size_t Align>
class atomic_t; class atomic_t;
// Extract T::simple_type if available, remove cv qualifiers // Extract T::simple_type if available, remove cv qualifiers

6
rpcs3/util/atomic.cpp
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@ -93,9 +93,9 @@ static constexpr u32 s_max_conds = 512 * 64;
static std::aligned_storage_t<sizeof(cond_handle), alignof(cond_handle)> s_cond_list[s_max_conds]{}; static std::aligned_storage_t<sizeof(cond_handle), alignof(cond_handle)> s_cond_list[s_max_conds]{};
alignas(64) atomic_t<u64> s_cond_bits[s_max_conds / 64]; atomic_t<u64, 64> s_cond_bits[s_max_conds / 64];
alignas(64) atomic_t<u32> s_cond_sema{0}; atomic_t<u32, 64> s_cond_sema{0};
static u32 cond_alloc() static u32 cond_alloc()
{ {
@ -281,7 +281,7 @@ static constexpr u32 s_slot_gcount = (s_hashtable_power > 7 ? 4096 : 256) / 64;
alignas(64) static slot_info s_slot_list[s_slot_gcount * 64]{}; alignas(64) static slot_info s_slot_list[s_slot_gcount * 64]{};
// Allocation bits // Allocation bits
alignas(64) static atomic_t<u64> s_slot_bits[s_slot_gcount]{}; static atomic_t<u64, 64> s_slot_bits[s_slot_gcount]{};
static u64 slot_alloc() static u64 slot_alloc()
{ {

6
rpcs3/util/atomic.hpp
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@ -18,7 +18,7 @@ enum class atomic_wait_timeout : u64
struct atomic_storage_futex struct atomic_storage_futex
{ {
private: private:
template <typename T> template <typename T, std::size_t Align>
friend class atomic_t; friend class atomic_t;
static void wait(const void* data, std::size_t size, u64 old_value, u64 timeout, u64 mask); static void wait(const void* data, std::size_t size, u64 old_value, u64 timeout, u64 mask);
@ -674,7 +674,7 @@ struct atomic_storage<T, 16> : atomic_storage<T, 0>
}; };
// Atomic type with lock-free and standard layout guarantees (and appropriate limitations) // Atomic type with lock-free and standard layout guarantees (and appropriate limitations)
template <typename T> template <typename T, std::size_t Align = alignof(T)>
class atomic_t class atomic_t
{ {
protected: protected:
@ -684,7 +684,7 @@ protected:
static_assert(alignof(type) == sizeof(type), "atomic_t<> error: unexpected alignment, use alignas() if necessary"); static_assert(alignof(type) == sizeof(type), "atomic_t<> error: unexpected alignment, use alignas() if necessary");
type m_data; alignas(Align) type m_data;
public: public:
atomic_t() noexcept = default; atomic_t() noexcept = default;