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Garbage Collection: Final tuning.

This commit is contained in:
Fernando Sahmkow 2022-01-16 06:34:43 +01:00
parent 5e982a7812
commit 9edbbf2af4
6 changed files with 36 additions and 24 deletions
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6
src/video_core/buffer_cache/buffer_cache.h
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@ -464,9 +464,9 @@ BufferCache<P>::BufferCache(VideoCore::RasterizerInterface& rasterizer_,
const s64 device_memory = static_cast<s64>(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;
const s64 mem_threshold = std::min(device_memory, TARGET_THRESHOLD);
const s64 min_vacancy_expected = (6 * mem_threshold) / 10;
const s64 min_vacancy_critical = (3 * mem_threshold) / 10;
minimum_memory = static_cast<u64>(
std::max(std::min(device_memory - min_vacancy_expected, min_spacing_expected),
DEFAULT_EXPECTED_MEMORY));

2
src/video_core/renderer_opengl/gl_buffer_cache.cpp
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@ -150,7 +150,7 @@ 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<u64>(cur_avail_mem_kb) * 1_KiB;
return device_access_memory - static_cast<u64>(cur_avail_mem_kb) * 1_KiB;
}
return 2_GiB;
}

4
src/video_core/renderer_opengl/gl_texture_cache.cpp
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@ -513,7 +513,7 @@ u64 TextureCacheRuntime::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<u64>(cur_avail_mem_kb) * 1_KiB;
return device_access_memory - static_cast<u64>(cur_avail_mem_kb) * 1_KiB;
}
return 2_GiB;
}
@ -695,7 +695,7 @@ Image::Image(TextureCacheRuntime& runtime_, const VideoCommon::ImageInfo& info_,
}
if (IsConverted(runtime->device, info.format, info.type)) {
flags |= ImageFlagBits::Converted;
flags |= ImageFlagBits::GCProtected;
flags |= ImageFlagBits::CostlyLoad;
gl_internal_format = IsPixelFormatSRGB(info.format) ? GL_SRGB8_ALPHA8 : GL_RGBA8;
gl_format = GL_RGBA;
gl_type = GL_UNSIGNED_INT_8_8_8_8_REV;

2
src/video_core/renderer_vulkan/vk_texture_cache.cpp
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@ -1211,7 +1211,7 @@ Image::Image(TextureCacheRuntime& runtime_, const ImageInfo& info_, GPUVAddr gpu
} else {
flags |= VideoCommon::ImageFlagBits::Converted;
}
flags |= VideoCommon::ImageFlagBits::GCProtected;
flags |= VideoCommon::ImageFlagBits::CostlyLoad;
}
if (runtime->device.HasDebuggingToolAttached()) {
original_image.SetObjectNameEXT(VideoCommon::Name(*this).c_str());

2
src/video_core/texture_cache/image_base.h
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@ -33,7 +33,7 @@ enum class ImageFlagBits : u32 {
///< garbage collection priority
Alias = 1 << 11, ///< This image has aliases and has priority on garbage
///< collection
GCProtected = 1 << 12, ///< Protected from low-tier GC as they are costy to load back.
CostlyLoad = 1 << 12, ///< Protected from low-tier GC as it is costly to load back.
// Rescaler
Rescaled = 1 << 13,

36
src/video_core/texture_cache/texture_cache.h
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@ -53,17 +53,16 @@ TextureCache<P>::TextureCache(Runtime& runtime_, VideoCore::RasterizerInterface&
const s64 device_memory = static_cast<s64>(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;
const s64 mem_threshold = std::min(device_memory, TARGET_THRESHOLD);
const s64 min_vacancy_expected = (6 * mem_threshold) / 10;
const s64 min_vacancy_critical = (3 * mem_threshold) / 10;
expected_memory = static_cast<u64>(
std::max(std::min(device_memory - min_vacancy_expected, min_spacing_expected),
DEFAULT_EXPECTED_MEMORY));
critical_memory = static_cast<u64>(
std::max(std::min(device_memory - min_vacancy_critical, min_spacing_critical),
DEFAULT_CRITICAL_MEMORY));
minimum_memory = static_cast<u64>((device_memory - mem_tresshold) / 2);
LOG_CRITICAL(Debug, "Available Memory: {}", device_memory / 1_MiB);
minimum_memory = static_cast<u64>((device_memory - mem_threshold) / 2);
} else {
expected_memory = DEFAULT_EXPECTED_MEMORY + 512_MiB;
critical_memory = DEFAULT_CRITICAL_MEMORY + 1_GiB;
@ -73,11 +72,12 @@ TextureCache<P>::TextureCache(Runtime& runtime_, VideoCore::RasterizerInterface&
template <class P>
void TextureCache<P>::RunGarbageCollector() {
const bool high_priority_mode = total_used_memory >= expected_memory;
const bool aggressive_mode = total_used_memory >= critical_memory;
const u64 ticks_to_destroy = aggressive_mode ? 10ULL : high_priority_mode ? 25ULL : 100ULL;
size_t num_iterations = aggressive_mode ? 300 : (high_priority_mode ? 50 : 10);
const auto clean_up = [this, &num_iterations, high_priority_mode](ImageId image_id) {
bool high_priority_mode = total_used_memory >= expected_memory;
bool aggressive_mode = total_used_memory >= critical_memory;
const u64 ticks_to_destroy = aggressive_mode ? 10ULL : high_priority_mode ? 25ULL : 50ULL;
size_t num_iterations = aggressive_mode ? 40 : (high_priority_mode ? 20 : 10);
const auto clean_up = [this, &num_iterations, &high_priority_mode,
&aggressive_mode](ImageId image_id) {
if (num_iterations == 0) {
return true;
}
@ -85,7 +85,8 @@ void TextureCache<P>::RunGarbageCollector() {
auto& image = slot_images[image_id];
const bool must_download =
image.IsSafeDownload() && False(image.flags & ImageFlagBits::BadOverlap);
if (!high_priority_mode && must_download) {
if (!high_priority_mode &&
(must_download || True(image.flags & ImageFlagBits::CostlyLoad))) {
return false;
}
if (must_download) {
@ -100,6 +101,18 @@ void TextureCache<P>::RunGarbageCollector() {
}
UnregisterImage(image_id);
DeleteImage(image_id, image.scale_tick > frame_tick + 5);
if (total_used_memory < critical_memory) {
if (aggressive_mode) {
// Sink the aggresiveness.
num_iterations >>= 2;
aggressive_mode = false;
return false;
}
if (high_priority_mode && total_used_memory < expected_memory) {
num_iterations >>= 1;
high_priority_mode = false;
}
}
return false;
};
lru_cache.ForEachItemBelow(frame_tick - ticks_to_destroy, clean_up);
@ -120,7 +133,6 @@ void TextureCache<P>::TickFrame() {
runtime.TickFrame();
critical_gc = 0;
++frame_tick;
LOG_CRITICAL(Debug, "Current memory: {}", total_used_memory / 1_MiB);
}
template <class P>