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Memory Tracking: Optimize tracking to only use atomic writes when contested with the host GPU

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This commit is contained in:
Fernando Sahmkow 2023-06-28 19:32:50 +02:00
parent 47d0d292d5
commit da440da9f5
19 changed files with 153 additions and 38 deletions
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8
src/core/core.cpp
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@ -55,7 +55,6 @@
#include "video_core/renderer_base.h"
#include "video_core/video_core.h"
MICROPROFILE_DEFINE(ARM_CPU0, "ARM", "CPU 0", MP_RGB(255, 64, 64));
MICROPROFILE_DEFINE(ARM_CPU1, "ARM", "CPU 1", MP_RGB(255, 64, 64));
MICROPROFILE_DEFINE(ARM_CPU2, "ARM", "CPU 2", MP_RGB(255, 64, 64));
@ -132,7 +131,10 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
struct System::Impl {
explicit Impl(System& system)
: kernel{system}, fs_controller{system}, memory{system}, hid_core{}, room_network{},
cpu_manager{system}, reporter{system}, applet_manager{system}, time_manager{system} {}
cpu_manager{system}, reporter{system}, applet_manager{system}, time_manager{system},
gpu_dirty_memory_write_manager{} {
memory.SetGPUDirtyManagers(gpu_dirty_memory_write_manager);
}
void Initialize(System& system) {
device_memory = std::make_unique<Core::DeviceMemory>();
@ -236,6 +238,8 @@ struct System::Impl {
// Setting changes may require a full system reinitialization (e.g., disabling multicore).
ReinitializeIfNecessary(system);
memory.SetGPUDirtyManagers(gpu_dirty_memory_write_manager);
kernel.Initialize();
cpu_manager.Initialize();

14
src/core/gpu_dirty_memory_manager.h
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@ -1,3 +1,6 @@
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <atomic>
@ -59,8 +62,7 @@ public:
mask = mask >> empty_bits;
const size_t continuous_bits = std::countr_one(mask);
callback((transform.address << Memory::YUZU_PAGEBITS) + offset,
continuous_bits << align_bits);
callback((transform.address << page_bits) + offset, continuous_bits << align_bits);
mask = continuous_bits < align_size ? (mask >> continuous_bits) : 0;
offset += continuous_bits << align_bits;
}
@ -74,6 +76,10 @@ private:
u64 mask;
};
constexpr static size_t page_bits = Memory::YUZU_PAGEBITS;
constexpr static size_t page_size = 1ULL << page_bits;
constexpr static size_t page_mask = page_size - 1;
constexpr static size_t align_bits = 6U;
constexpr static size_t align_size = 1U << align_bits;
constexpr static size_t align_mask = align_size - 1;
@ -94,11 +100,11 @@ private:
}
TransformAddress BuildTransform(VAddr address, size_t size) {
const size_t minor_address = address & Memory::YUZU_PAGEMASK;
const size_t minor_address = address & page_mask;
const size_t minor_bit = minor_address >> align_bits;
const size_t top_bit = (minor_address + size + align_mask) >> align_bits;
TransformAddress result{};
result.address = address >> Memory::YUZU_PAGEBITS;
result.address = address >> page_bits;
result.mask = CreateMask<u64>(top_bit, minor_bit);
return result;
}

39
src/core/memory.cpp
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@ -3,6 +3,7 @@
#include <algorithm>
#include <cstring>
#include <span>
#include "common/assert.h"
#include "common/atomic_ops.h"
@ -679,7 +680,7 @@ struct Memory::Impl {
LOG_ERROR(HW_Memory, "Unmapped Write{} @ 0x{:016X} = 0x{:016X}", sizeof(T) * 8,
GetInteger(vaddr), static_cast<u64>(data));
},
[&]() { system.CurrentGPUDirtyMemoryManager().Collect(GetInteger(vaddr), sizeof(T)); });
[&]() { HandleRasterizerWrite(GetInteger(vaddr), sizeof(T)); });
if (ptr) {
std::memcpy(ptr, &data, sizeof(T));
}
@ -693,7 +694,7 @@ struct Memory::Impl {
LOG_ERROR(HW_Memory, "Unmapped WriteExclusive{} @ 0x{:016X} = 0x{:016X}",
sizeof(T) * 8, GetInteger(vaddr), static_cast<u64>(data));
},
[&]() { system.CurrentGPUDirtyMemoryManager().Collect(GetInteger(vaddr), sizeof(T)); });
[&]() { HandleRasterizerWrite(GetInteger(vaddr), sizeof(T)); });
if (ptr) {
const auto volatile_pointer = reinterpret_cast<volatile T*>(ptr);
return Common::AtomicCompareAndSwap(volatile_pointer, data, expected);
@ -708,7 +709,7 @@ struct Memory::Impl {
LOG_ERROR(HW_Memory, "Unmapped WriteExclusive128 @ 0x{:016X} = 0x{:016X}{:016X}",
GetInteger(vaddr), static_cast<u64>(data[1]), static_cast<u64>(data[0]));
},
[&]() { system.CurrentGPUDirtyMemoryManager().Collect(GetInteger(vaddr), sizeof(u128)); });
[&]() { HandleRasterizerWrite(GetInteger(vaddr), sizeof(u128)); });
if (ptr) {
const auto volatile_pointer = reinterpret_cast<volatile u64*>(ptr);
return Common::AtomicCompareAndSwap(volatile_pointer, data, expected);
@ -718,7 +719,7 @@ struct Memory::Impl {
void HandleRasterizerDownload(VAddr address, size_t size) {
const size_t core = system.GetCurrentHostThreadID();
auto& current_area = rasterizer_areas[core];
auto& current_area = rasterizer_read_areas[core];
const VAddr end_address = address + size;
if (current_area.start_address <= address && end_address <= current_area.end_address)
[[likely]] {
@ -727,9 +728,31 @@ struct Memory::Impl {
current_area = system.GPU().OnCPURead(address, size);
}
Common::PageTable* current_page_table = nullptr;
std::array<VideoCore::RasterizerDownloadArea, Core::Hardware::NUM_CPU_CORES> rasterizer_areas{};
void HandleRasterizerWrite(VAddr address, size_t size) {
const size_t core = system.GetCurrentHostThreadID();
auto& current_area = rasterizer_write_areas[core];
VAddr subaddress = address >> YUZU_PAGEBITS;
bool do_collection = current_area.last_address == subaddress;
if (!do_collection) [[unlikely]] {
do_collection = system.GPU().OnCPUWrite(address, size);
if (!do_collection) {
return;
}
current_area.last_address = subaddress;
}
gpu_dirty_managers[core].Collect(address, size);
}
struct GPUDirtyState {
VAddr last_address;
};
Core::System& system;
Common::PageTable* current_page_table = nullptr;
std::array<VideoCore::RasterizerDownloadArea, Core::Hardware::NUM_CPU_CORES>
rasterizer_read_areas{};
std::array<GPUDirtyState, Core::Hardware::NUM_CPU_CORES> rasterizer_write_areas{};
std::span<Core::GPUDirtyMemoryManager> gpu_dirty_managers;
};
Memory::Memory(Core::System& system_) : system{system_} {
@ -877,6 +900,10 @@ void Memory::ZeroBlock(Common::ProcessAddress dest_addr, const std::size_t size)
impl->ZeroBlock(*system.ApplicationProcess(), dest_addr, size);
}
void Memory::SetGPUDirtyManagers(std::span<Core::GPUDirtyMemoryManager> managers) {
impl->gpu_dirty_managers = managers;
}
Result Memory::InvalidateDataCache(Common::ProcessAddress dest_addr, const std::size_t size) {
return impl->InvalidateDataCache(*system.ApplicationProcess(), dest_addr, size);
}

6
src/core/memory.h
View File

@ -5,6 +5,7 @@
#include <cstddef>
#include <memory>
#include <span>
#include <string>
#include "common/typed_address.h"
#include "core/hle/result.h"
@ -15,7 +16,8 @@ struct PageTable;
namespace Core {
class System;
}
class GPUDirtyMemoryManager;
} // namespace Core
namespace Kernel {
class PhysicalMemory;
@ -458,6 +460,8 @@ public:
*/
void MarkRegionDebug(Common::ProcessAddress vaddr, u64 size, bool debug);
void SetGPUDirtyManagers(std::span<Core::GPUDirtyMemoryManager> managers);
private:
Core::System& system;

15
src/video_core/buffer_cache/buffer_cache.h
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@ -132,6 +132,19 @@ void BufferCache<P>::CachedWriteMemory(VAddr cpu_addr, u64 size) {
InlineMemoryImplementation(cpu_addr, size, tmp_buffer);
}
template <class P>
bool BufferCache<P>::OnCPUWrite(VAddr cpu_addr, u64 size) {
const bool is_dirty = IsRegionRegistered(cpu_addr, size);
if (!is_dirty) {
return false;
}
if (memory_tracker.IsRegionGpuModified(cpu_addr, size)) {
return true;
}
WriteMemory(cpu_addr, size);
return false;
}
template <class P>
std::optional<VideoCore::RasterizerDownloadArea> BufferCache<P>::GetFlushArea(VAddr cpu_addr,
u64 size) {
@ -1574,7 +1587,7 @@ bool BufferCache<P>::InlineMemory(VAddr dest_address, size_t copy_size,
template <class P>
void BufferCache<P>::InlineMemoryImplementation(VAddr dest_address, size_t copy_size,
std::span<const u8> inlined_buffer) {
std::span<const u8> inlined_buffer) {
const IntervalType subtract_interval{dest_address, dest_address + copy_size};
ClearDownload(subtract_interval);
common_ranges.subtract(subtract_interval);

5
src/video_core/buffer_cache/buffer_cache_base.h
View File

@ -245,6 +245,8 @@ public:
void CachedWriteMemory(VAddr cpu_addr, u64 size);
bool OnCPUWrite(VAddr cpu_addr, u64 size);
void DownloadMemory(VAddr cpu_addr, u64 size);
std::optional<VideoCore::RasterizerDownloadArea> GetFlushArea(VAddr cpu_addr, u64 size);
@ -543,7 +545,8 @@ private:
void ClearDownload(IntervalType subtract_interval);
void InlineMemoryImplementation(VAddr dest_address, size_t copy_size, std::span<const u8> inlined_buffer);
void InlineMemoryImplementation(VAddr dest_address, size_t copy_size,
std::span<const u8> inlined_buffer);
VideoCore::RasterizerInterface& rasterizer;
Core::Memory::Memory& cpu_memory;

2
src/video_core/fence_manager.h
View File

@ -69,7 +69,6 @@ public:
}
void SignalFence(std::function<void()>&& func) {
rasterizer.InvalidateGPUCache();
bool delay_fence = Settings::IsGPULevelHigh();
if constexpr (!can_async_check) {
TryReleasePendingFences<false>();
@ -96,6 +95,7 @@ public:
guard.unlock();
cv.notify_all();
}
rasterizer.InvalidateGPUCache();
}
void SignalSyncPoint(u32 value) {

10
src/video_core/gpu.cpp
View File

@ -96,7 +96,7 @@ struct GPU::Impl {
/// Synchronizes CPU writes with Host GPU memory.
void InvalidateGPUCache() {
std::function<void(VAddr, size_t)> callback_writes(
[this](VAddr address, size_t size) { rasterizer->OnCPUWrite(address, size); });
[this](VAddr address, size_t size) { rasterizer->OnCacheInvalidation(address, size); });
system.GatherGPUDirtyMemory(callback_writes);
}
@ -301,6 +301,10 @@ struct GPU::Impl {
gpu_thread.InvalidateRegion(addr, size);
}
bool OnCPUWrite(VAddr addr, u64 size) {
return rasterizer->OnCPUWrite(addr, size);
}
/// Notify rasterizer that any caches of the specified region should be flushed and invalidated
void FlushAndInvalidateRegion(VAddr addr, u64 size) {
gpu_thread.FlushAndInvalidateRegion(addr, size);
@ -563,6 +567,10 @@ void GPU::InvalidateRegion(VAddr addr, u64 size) {
impl->InvalidateRegion(addr, size);
}
bool GPU::OnCPUWrite(VAddr addr, u64 size) {
return impl->OnCPUWrite(addr, size);
}
void GPU::FlushAndInvalidateRegion(VAddr addr, u64 size) {
impl->FlushAndInvalidateRegion(addr, size);
}

4
src/video_core/gpu.h
View File

@ -250,6 +250,10 @@ public:
/// Notify rasterizer that any caches of the specified region should be invalidated
void InvalidateRegion(VAddr addr, u64 size);
/// Notify rasterizer that CPU is trying to write this area. It returns true if the area is
/// sensible, false otherwise
bool OnCPUWrite(VAddr addr, u64 size);
/// Notify rasterizer that any caches of the specified region should be flushed and invalidated
void FlushAndInvalidateRegion(VAddr addr, u64 size);

6
src/video_core/gpu_thread.cpp
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@ -47,7 +47,7 @@ static void RunThread(std::stop_token stop_token, Core::System& system,
} else if (const auto* flush = std::get_if<FlushRegionCommand>(&next.data)) {
rasterizer->FlushRegion(flush->addr, flush->size);
} else if (const auto* invalidate = std::get_if<InvalidateRegionCommand>(&next.data)) {
rasterizer->OnCPUWrite(invalidate->addr, invalidate->size);
rasterizer->OnCacheInvalidation(invalidate->addr, invalidate->size);
} else {
ASSERT(false);
}
@ -102,12 +102,12 @@ void ThreadManager::TickGPU() {
}
void ThreadManager::InvalidateRegion(VAddr addr, u64 size) {
rasterizer->OnCPUWrite(addr, size);
rasterizer->OnCacheInvalidation(addr, size);
}
void ThreadManager::FlushAndInvalidateRegion(VAddr addr, u64 size) {
// Skip flush on asynch mode, as FlushAndInvalidateRegion is not used for anything too important
rasterizer->OnCPUWrite(addr, size);
rasterizer->OnCacheInvalidation(addr, size);
}
u64 ThreadManager::PushCommand(CommandData&& command_data, bool block) {

4
src/video_core/rasterizer_interface.h
View File

@ -109,7 +109,9 @@ public:
}
/// Notify rasterizer that any caches of the specified region are desync with guest
virtual void OnCPUWrite(VAddr addr, u64 size) = 0;
virtual void OnCacheInvalidation(VAddr addr, u64 size) = 0;
virtual bool OnCPUWrite(VAddr addr, u64 size) = 0;
/// Sync memory between guest and host.
virtual void InvalidateGPUCache() = 0;

5
src/video_core/renderer_null/null_rasterizer.cpp
View File

@ -47,7 +47,10 @@ bool RasterizerNull::MustFlushRegion(VAddr addr, u64 size, VideoCommon::CacheTyp
return false;
}
void RasterizerNull::InvalidateRegion(VAddr addr, u64 size, VideoCommon::CacheType) {}
void RasterizerNull::OnCPUWrite(VAddr addr, u64 size) {}
bool RasterizerNull::OnCPUWrite(VAddr addr, u64 size) {
return false;
}
void RasterizerNull::OnCacheInvalidation(VAddr addr, u64 size) {}
VideoCore::RasterizerDownloadArea RasterizerNull::GetFlushArea(VAddr addr, u64 size) {
VideoCore::RasterizerDownloadArea new_area{
.start_address = Common::AlignDown(addr, Core::Memory::YUZU_PAGESIZE),

3
src/video_core/renderer_null/null_rasterizer.h
View File

@ -53,7 +53,8 @@ public:
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
void InvalidateRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
void OnCPUWrite(VAddr addr, u64 size) override;
void OnCacheInvalidation(VAddr addr, u64 size) override;
bool OnCPUWrite(VAddr addr, u64 size) override;
VideoCore::RasterizerDownloadArea GetFlushArea(VAddr addr, u64 size) override;
void InvalidateGPUCache() override;
void UnmapMemory(VAddr addr, u64 size) override;

35
src/video_core/renderer_opengl/gl_rasterizer.cpp
View File

@ -485,12 +485,33 @@ void RasterizerOpenGL::InvalidateRegion(VAddr addr, u64 size, VideoCommon::Cache
}
}
void RasterizerOpenGL::OnCPUWrite(VAddr addr, u64 size) {
bool RasterizerOpenGL::OnCPUWrite(VAddr addr, u64 size) {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
if (addr == 0 || size == 0) {
return false;
}
{
std::scoped_lock lock{buffer_cache.mutex};
if (buffer_cache.OnCPUWrite(addr, size)) {
return true;
}
}
{
std::scoped_lock lock{texture_cache.mutex};
texture_cache.WriteMemory(addr, size);
}
shader_cache.InvalidateRegion(addr, size);
return false;
}
void RasterizerOpenGL::OnCacheInvalidation(VAddr addr, u64 size) {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
if (addr == 0 || size == 0) {
return;
}
shader_cache.OnCPUWrite(addr, size);
{
std::scoped_lock lock{texture_cache.mutex};
texture_cache.WriteMemory(addr, size);
@ -499,15 +520,11 @@ void RasterizerOpenGL::OnCPUWrite(VAddr addr, u64 size) {
std::scoped_lock lock{buffer_cache.mutex};
buffer_cache.CachedWriteMemory(addr, size);
}
shader_cache.InvalidateRegion(addr, size);
}
void RasterizerOpenGL::InvalidateGPUCache() {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
shader_cache.SyncGuestHost();
{
std::scoped_lock lock{buffer_cache.mutex};
buffer_cache.FlushCachedWrites();
}
gpu.InvalidateGPUCache();
}
void RasterizerOpenGL::UnmapMemory(VAddr addr, u64 size) {
@ -519,7 +536,7 @@ void RasterizerOpenGL::UnmapMemory(VAddr addr, u64 size) {
std::scoped_lock lock{buffer_cache.mutex};
buffer_cache.WriteMemory(addr, size);
}
shader_cache.OnCPUWrite(addr, size);
shader_cache.OnCacheInvalidation(addr, size);
}
void RasterizerOpenGL::ModifyGPUMemory(size_t as_id, GPUVAddr addr, u64 size) {

3
src/video_core/renderer_opengl/gl_rasterizer.h
View File

@ -98,7 +98,8 @@ public:
VideoCore::RasterizerDownloadArea GetFlushArea(VAddr addr, u64 size) override;
void InvalidateRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
void OnCPUWrite(VAddr addr, u64 size) override;
void OnCacheInvalidation(VAddr addr, u64 size) override;
bool OnCPUWrite(VAddr addr, u64 size) override;
void InvalidateGPUCache() override;
void UnmapMemory(VAddr addr, u64 size) override;
void ModifyGPUMemory(size_t as_id, GPUVAddr addr, u64 size) override;

25
src/video_core/renderer_vulkan/vk_rasterizer.cpp
View File

@ -566,7 +566,28 @@ void RasterizerVulkan::InnerInvalidation(std::span<const std::pair<VAddr, std::s
}
}
void RasterizerVulkan::OnCPUWrite(VAddr addr, u64 size) {
bool RasterizerVulkan::OnCPUWrite(VAddr addr, u64 size) {
if (addr == 0 || size == 0) {
return false;
}
{
std::scoped_lock lock{buffer_cache.mutex};
if (buffer_cache.OnCPUWrite(addr, size)) {
return true;
}
}
{
std::scoped_lock lock{texture_cache.mutex};
texture_cache.WriteMemory(addr, size);
}
pipeline_cache.InvalidateRegion(addr, size);
return false;
}
void RasterizerVulkan::OnCacheInvalidation(VAddr addr, u64 size) {
if (addr == 0 || size == 0) {
return;
}
@ -595,7 +616,7 @@ void RasterizerVulkan::UnmapMemory(VAddr addr, u64 size) {
std::scoped_lock lock{buffer_cache.mutex};
buffer_cache.WriteMemory(addr, size);
}
pipeline_cache.OnCPUWrite(addr, size);
pipeline_cache.OnCacheInvalidation(addr, size);
}
void RasterizerVulkan::ModifyGPUMemory(size_t as_id, GPUVAddr addr, u64 size) {

3
src/video_core/renderer_vulkan/vk_rasterizer.h
View File

@ -96,7 +96,8 @@ public:
void InvalidateRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
void InnerInvalidation(std::span<const std::pair<VAddr, std::size_t>> sequences) override;
void OnCPUWrite(VAddr addr, u64 size) override;
void OnCacheInvalidation(VAddr addr, u64 size) override;
bool OnCPUWrite(VAddr addr, u64 size) override;
void InvalidateGPUCache() override;
void UnmapMemory(VAddr addr, u64 size) override;
void ModifyGPUMemory(size_t as_id, GPUVAddr addr, u64 size) override;

2
src/video_core/shader_cache.cpp
View File

@ -24,7 +24,7 @@ void ShaderCache::InvalidateRegion(VAddr addr, size_t size) {
RemovePendingShaders();
}
void ShaderCache::OnCPUWrite(VAddr addr, size_t size) {
void ShaderCache::OnCacheInvalidation(VAddr addr, size_t size) {
std::scoped_lock lock{invalidation_mutex};
InvalidatePagesInRegion(addr, size);
}

2
src/video_core/shader_cache.h
View File

@ -62,7 +62,7 @@ public:
/// @brief Unmarks a memory region as cached and marks it for removal
/// @param addr Start address of the CPU write operation
/// @param size Number of bytes of the CPU write operation
void OnCPUWrite(VAddr addr, size_t size);
void OnCacheInvalidation(VAddr addr, size_t size);
/// @brief Flushes delayed removal operations
void SyncGuestHost();