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Optimize atomic and interlocked memory operations on Win32Platform (Windows and Xbox) by inlining

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This commit is contained in:
Wojtek Figat
2021-08-30 20:31:40 +02:00
parent e3b98c902b
commit fab7bd48c5
2 changed files with 52 additions and 69 deletions
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61
Source/Engine/Platform/Win32/Win32Platform.h
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@@ -5,6 +5,12 @@
#if PLATFORM_WIN32
#include "Engine/Platform/Base/PlatformBase.h"
#if _MSC_VER <= 1900
#include <intrin.h>
#else
#include <intrin0.h>
#endif
extern "C" __declspec(dllimport) unsigned long __stdcall GetCurrentThreadId(void);
/// <summary>
/// The Win32 platform implementation and application management utilities.
@@ -17,16 +23,46 @@ public:
static bool Init();
static void Exit();
static void MemoryBarrier();
static int64 InterlockedExchange(int64 volatile* dst, int64 exchange);
static int32 InterlockedCompareExchange(int32 volatile* dst, int32 exchange, int32 comperand);
static int64 InterlockedCompareExchange(int64 volatile* dst, int64 exchange, int64 comperand);
static int64 InterlockedIncrement(int64 volatile* dst);
static int64 InterlockedDecrement(int64 volatile* dst);
static int64 InterlockedAdd(int64 volatile* dst, int64 value);
static int32 AtomicRead(int32 volatile* dst);
static int64 AtomicRead(int64 volatile* dst);
static void AtomicStore(int32 volatile* dst, int32 value);
static void AtomicStore(int64 volatile* dst, int64 value);
static int64 InterlockedExchange(int64 volatile* dst, int64 exchange)
{
return _InterlockedExchange64(dst, exchange);
}
static int32 InterlockedCompareExchange(int32 volatile* dst, int32 exchange, int32 comperand)
{
return _InterlockedCompareExchange((long volatile*)dst, exchange, comperand);
}
static int64 InterlockedCompareExchange(int64 volatile* dst, int64 exchange, int64 comperand)
{
return _InterlockedCompareExchange64(dst, exchange, comperand);
}
static int64 InterlockedIncrement(int64 volatile* dst)
{
return _InterlockedExchangeAdd64(dst, 1) + 1;
}
static int64 InterlockedDecrement(int64 volatile* dst)
{
return _InterlockedExchangeAdd64(dst, -1) - 1;
}
static int64 InterlockedAdd(int64 volatile* dst, int64 value)
{
return _InterlockedExchangeAdd64(dst, value);
}
static int32 AtomicRead(int32 volatile* dst)
{
return (int32)_InterlockedCompareExchange((long volatile*)dst, 0, 0);
}
static int64 AtomicRead(int64 volatile* dst)
{
return _InterlockedCompareExchange64(dst, 0, 0);
}
static void AtomicStore(int32 volatile* dst, int32 value)
{
_InterlockedExchange((long volatile*)dst, value);
}
static void AtomicStore(int64 volatile* dst, int64 value)
{
_InterlockedExchange64(dst, value);
}
static void Prefetch(void const* ptr);
static void* Allocate(uint64 size, uint64 alignment);
static void Free(void* ptr);
@@ -38,7 +74,10 @@ public:
static MemoryStats GetMemoryStats();
static ProcessMemoryStats GetProcessMemoryStats();
static uint64 GetCurrentProcessId();
static uint64 GetCurrentThreadID();
static uint64 GetCurrentThreadID()
{
return GetCurrentThreadId();
}
static void SetThreadPriority(ThreadPriority priority);
static void SetThreadAffinityMask(uint64 affinityMask);
static void Sleep(int32 milliseconds);