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Optimize bulk memory invalidation (#124)

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* Per page -> per range search (optimization)
This commit is contained in:
nmzik
2026-07-29 05:09:36 +02:00
committed by GitHub
parent 861729fc6c
commit f6e01e5403
16 changed files with 322 additions and 228 deletions
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src/graphics/host_gpu/renderer/cache/bufferCache.h
Vendored
+11 -11
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@@ -49,6 +49,7 @@ public:
[[nodiscard]] bool InvalidateMemory(PageFaultAccess access, uint64_t vaddr, uint64_t size,
PageFaultPhase phase) noexcept;
void InvalidateMemory(uint64_t vaddr, uint64_t size);
void UnmapMemory(uint64_t vaddr, uint64_t size);
[[nodiscard]] BufferBinding ObtainBuffer(CommandBuffer& command, uint64_t vaddr, uint64_t size,
bool is_written = false, bool is_read = true,
@@ -71,8 +72,8 @@ public:
[[nodiscard]] bool IsRegionCpuModified(uint64_t vaddr, uint64_t size);
[[nodiscard]] bool IsRegionGpuModified(uint64_t vaddr, uint64_t size);
void InvalidateImageAliases(uint64_t vaddr, uint64_t size);
void BeginBackingPublication(uint64_t vaddr, uint64_t size, uint64_t tick);
void CompleteBackingPublication(uint64_t vaddr, uint64_t size, uint64_t tick);
void BeginBackingPublication(uint64_t vaddr, uint64_t size, uint64_t tick);
void CompleteBackingPublication(uint64_t vaddr, uint64_t size, uint64_t tick);
[[nodiscard]] bool SynchronizeBacking(uint64_t vaddr, uint64_t size);
void PublishImageBuffer(uint64_t vaddr, uint64_t size);
void ValidateGpuAccess(uint64_t vaddr, uint64_t size, bool is_read, bool is_written) const;
@@ -91,27 +92,26 @@ private:
struct RetiredBuffer;
struct FaultReadback;
struct PendingBackingPublication;
static constexpr uint64_t DOWNLOAD_ALIGNMENT = 64;
[[nodiscard]] static uint64_t AlignDown(uint64_t value) noexcept;
[[nodiscard]] static uint64_t AlignUp(uint64_t value);
static constexpr uint64_t DOWNLOAD_ALIGNMENT = 64;
[[nodiscard]] static uint64_t AlignDown(uint64_t value) noexcept;
[[nodiscard]] static uint64_t AlignUp(uint64_t value);
[[nodiscard]] static constexpr uint64_t AlignDownload(uint64_t size) noexcept {
return (size + DOWNLOAD_ALIGNMENT - 1) & ~(DOWNLOAD_ALIGNMENT - 1);
}
[[nodiscard]] static bool PageOverlaps(uint64_t left, uint64_t left_size, uint64_t right,
uint64_t right_size) noexcept;
[[nodiscard]] static std::pair<uint64_t, uint64_t>
DownloadEnvelope(const DownloadCopy& copy);
[[nodiscard]] static bool ResolveOverlap(CacheRange& merged, CacheRange candidate) noexcept;
uint64_t right_size) noexcept;
[[nodiscard]] static std::pair<uint64_t, uint64_t> DownloadEnvelope(const DownloadCopy& copy);
[[nodiscard]] static bool ResolveOverlap(CacheRange& merged, CacheRange candidate) noexcept;
void Upload(CommandBuffer& command, Buffer& destination, uint64_t destination_offset,
const void* source, uint64_t size);
[[nodiscard]] CachedBuffer& GetOrCreateBuffer(CommandBuffer& command, uint64_t vaddr,
uint64_t size);
[[nodiscard]] std::vector<DownloadRange>
RecordDownloads(std::span<const DownloadCopy> copies);
[[nodiscard]] std::vector<DownloadRange> RecordDownloads(std::span<const DownloadCopy> copies);
void PublishDownloads(std::span<const DownloadRange> downloads);
void QueueGarbageDownload(std::span<const DownloadCopy> copies, RetiredBuffer retire);
void RefreshInvalidatedRanges(CommandBuffer& command, CachedBuffer& cached, uint64_t vaddr,
uint64_t size, bool upload);
void ReadMemory(uint64_t vaddr, uint64_t size);
void DiscardGpuDirtyBytesLocked(uint64_t vaddr, uint64_t size, const char* operation);
void WriteHostMemory(uint64_t vaddr, std::span<const uint8_t> data);