From 5e982a781201a12c4cee6af2908e4732b4c8d945 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Sun, 16 Jan 2022 05:05:34 +0100 Subject: Buffer Cache: Tune to the levels of the new GC. --- src/video_core/buffer_cache/buffer_cache.h | 34 +++++++++++++++++++--- src/video_core/renderer_opengl/gl_buffer_cache.cpp | 18 ++++++++++++ src/video_core/renderer_opengl/gl_buffer_cache.h | 12 ++++++++ src/video_core/renderer_vulkan/vk_buffer_cache.cpp | 12 ++++++++ src/video_core/renderer_vulkan/vk_buffer_cache.h | 6 ++++ src/video_core/texture_cache/texture_cache_base.h | 2 -- 6 files changed, 78 insertions(+), 6 deletions(-) (limited to 'src') diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h index 200d792dd..644c6e57e 100644 --- a/src/video_core/buffer_cache/buffer_cache.h +++ b/src/video_core/buffer_cache/buffer_cache.h @@ -76,8 +76,9 @@ class BufferCache { static constexpr BufferId NULL_BUFFER_ID{0}; - static constexpr u64 EXPECTED_MEMORY = 512_MiB; - static constexpr u64 CRITICAL_MEMORY = 1_GiB; + static constexpr s64 DEFAULT_EXPECTED_MEMORY = 512_MiB; + static constexpr s64 DEFAULT_CRITICAL_MEMORY = 1_GiB; + static constexpr s64 TARGET_THRESHOLD = 4_GiB; using Maxwell = Tegra::Engines::Maxwell3D::Regs; @@ -436,6 +437,8 @@ private: Common::LeastRecentlyUsedCache lru_cache; u64 frame_tick = 0; u64 total_used_memory = 0; + u64 minimum_memory = 0; + u64 critical_memory = 0; std::array> PAGE_BITS)> page_table; }; @@ -451,11 +454,30 @@ BufferCache

::BufferCache(VideoCore::RasterizerInterface& rasterizer_, // Ensure the first slot is used for the null buffer void(slot_buffers.insert(runtime, NullBufferParams{})); common_ranges.clear(); + + if (!runtime.CanReportMemoryUsage()) { + minimum_memory = DEFAULT_EXPECTED_MEMORY; + critical_memory = DEFAULT_CRITICAL_MEMORY; + return; + } + + const s64 device_memory = static_cast(runtime.GetDeviceLocalMemory()); + const s64 min_spacing_expected = device_memory - 1_GiB - 512_MiB; + const s64 min_spacing_critical = device_memory - 1_GiB; + const s64 mem_tresshold = std::min(device_memory, TARGET_THRESHOLD); + const s64 min_vacancy_expected = (6 * mem_tresshold) / 10; + const s64 min_vacancy_critical = (3 * mem_tresshold) / 10; + minimum_memory = static_cast( + std::max(std::min(device_memory - min_vacancy_expected, min_spacing_expected), + DEFAULT_EXPECTED_MEMORY)); + critical_memory = static_cast( + std::max(std::min(device_memory - min_vacancy_critical, min_spacing_critical), + DEFAULT_CRITICAL_MEMORY)); } template void BufferCache

::RunGarbageCollector() { - const bool aggressive_gc = total_used_memory >= CRITICAL_MEMORY; + const bool aggressive_gc = total_used_memory >= critical_memory; const u64 ticks_to_destroy = aggressive_gc ? 60 : 120; int num_iterations = aggressive_gc ? 64 : 32; const auto clean_up = [this, &num_iterations](BufferId buffer_id) { @@ -486,7 +508,11 @@ void BufferCache

::TickFrame() { const bool skip_preferred = hits * 256 < shots * 251; uniform_buffer_skip_cache_size = skip_preferred ? DEFAULT_SKIP_CACHE_SIZE : 0; - if (total_used_memory >= EXPECTED_MEMORY) { + // If we can obtain the memory info, use it instead of the estimate. + if (runtime.CanReportMemoryUsage()) { + total_used_memory = runtime.GetDeviceMemoryUsage(); + } + if (total_used_memory >= minimum_memory) { RunGarbageCollector(); } ++frame_tick; diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.cpp b/src/video_core/renderer_opengl/gl_buffer_cache.cpp index d4dd10bb6..45db72e6f 100644 --- a/src/video_core/renderer_opengl/gl_buffer_cache.cpp +++ b/src/video_core/renderer_opengl/gl_buffer_cache.cpp @@ -135,6 +135,24 @@ BufferCacheRuntime::BufferCacheRuntime(const Device& device_) buffer.Create(); glNamedBufferData(buffer.handle, 0x10'000, nullptr, GL_STREAM_COPY); } + + device_access_memory = []() -> u64 { + if (GLAD_GL_NVX_gpu_memory_info) { + GLint cur_avail_mem_kb = 0; + glGetIntegerv(GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, &cur_avail_mem_kb); + return static_cast(cur_avail_mem_kb) * 1_KiB; + } + return 2_GiB; // Return minimum requirements + }(); +} + +u64 BufferCacheRuntime::GetDeviceMemoryUsage() const { + if (GLAD_GL_NVX_gpu_memory_info) { + GLint cur_avail_mem_kb = 0; + glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &cur_avail_mem_kb); + return static_cast(cur_avail_mem_kb) * 1_KiB; + } + return 2_GiB; } void BufferCacheRuntime::CopyBuffer(Buffer& dst_buffer, Buffer& src_buffer, diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.h b/src/video_core/renderer_opengl/gl_buffer_cache.h index 7287731b6..86a265fee 100644 --- a/src/video_core/renderer_opengl/gl_buffer_cache.h +++ b/src/video_core/renderer_opengl/gl_buffer_cache.h @@ -151,6 +151,16 @@ public: use_storage_buffers = use_storage_buffers_; } + u64 GetDeviceLocalMemory() const { + return device_access_memory; + } + + u64 GetDeviceMemoryUsage() const; + + bool CanReportMemoryUsage() const { + return GLAD_GL_NVX_gpu_memory_info; + } + private: static constexpr std::array PABO_LUT{ GL_VERTEX_PROGRAM_PARAMETER_BUFFER_NV, GL_TESS_CONTROL_PROGRAM_PARAMETER_BUFFER_NV, @@ -184,6 +194,8 @@ private: std::array copy_compute_uniforms; u32 index_buffer_offset = 0; + + u64 device_access_memory; }; struct BufferCacheParams { diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp index 5ffd93499..def838c34 100644 --- a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp +++ b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp @@ -141,6 +141,18 @@ StagingBufferRef BufferCacheRuntime::DownloadStagingBuffer(size_t size) { return staging_pool.Request(size, MemoryUsage::Download); } +u64 BufferCacheRuntime::GetDeviceLocalMemory() const { + return device.GetDeviceLocalMemory(); +} + +u64 BufferCacheRuntime::GetDeviceMemoryUsage() const { + return device.GetDeviceMemoryUsage(); +} + +bool BufferCacheRuntime::CanReportMemoryUsage() const { + return device.CanReportMemoryUsage(); +} + void BufferCacheRuntime::Finish() { scheduler.Finish(); } diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.h b/src/video_core/renderer_vulkan/vk_buffer_cache.h index 1ee0d8420..d7fdd18ff 100644 --- a/src/video_core/renderer_vulkan/vk_buffer_cache.h +++ b/src/video_core/renderer_vulkan/vk_buffer_cache.h @@ -65,6 +65,12 @@ public: void Finish(); + u64 GetDeviceLocalMemory() const; + + u64 GetDeviceMemoryUsage() const; + + bool CanReportMemoryUsage() const; + [[nodiscard]] StagingBufferRef UploadStagingBuffer(size_t size); [[nodiscard]] StagingBufferRef DownloadStagingBuffer(size_t size); diff --git a/src/video_core/texture_cache/texture_cache_base.h b/src/video_core/texture_cache/texture_cache_base.h index 5dabc344b..b1324edf3 100644 --- a/src/video_core/texture_cache/texture_cache_base.h +++ b/src/video_core/texture_cache/texture_cache_base.h @@ -60,8 +60,6 @@ class TextureCache { static constexpr bool HAS_DEVICE_MEMORY_INFO = P::HAS_DEVICE_MEMORY_INFO; static constexpr s64 TARGET_THRESHOLD = 4_GiB; - static constexpr s64 MIN_VACANCY_EXPECTED = (6 * TARGET_THRESHOLD) / 10; - static constexpr s64 MIN_VACANCY_CRITICAL = (3 * TARGET_THRESHOLD) / 10; static constexpr s64 DEFAULT_EXPECTED_MEMORY = 1_GiB + 125_MiB; static constexpr s64 DEFAULT_CRITICAL_MEMORY = 1_GiB + 625_MiB; static constexpr size_t GC_EMERGENCY_COUNTS = 2; -- cgit v1.2.3