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[core] remove parallel thread remnants that keep calling sysconf() everytime a memory object is created (#3804)

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pure spam of calls for _sysconf()

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3804
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2026-03-31 20:12:16 +02:00 • committed by crueter
parent e9f4541069
commit dd91b41a78
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GPG key ID: 425ACD2D4830EBC6
1 changed files with 2 additions and 12 deletions
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14
src/core/memory.cpp
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@ -45,11 +45,7 @@ static inline bool AddressSpaceContains(const Common::PageTable& table, const Co
// from outside classes. This also allows modification to the internals of the memory
// subsystem without needing to rebuild all files that make use of the memory interface.
struct Memory::Impl {
explicit Impl(Core::System& system_) : system{system_} {
// Initialize thread count based on available cores for parallel memory operations
const unsigned int hw_concurrency = std::thread::hardware_concurrency();
thread_count = (std::max)(2u, (std::min)(hw_concurrency, 8u)); // Limit to 8 threads max
}
explicit Impl(Core::System& system_) : system{system_} {}
void SetCurrentPageTable(Kernel::KProcess& process) {
current_page_table = &process.GetPageTable().GetImpl();
@ -856,13 +852,7 @@ struct Memory::Impl {
Tegra::MaxwellDeviceMemoryManager* gpu_device_memory{};
Common::PageTable* current_page_table = nullptr;
// Number of threads to use for parallel memory operations
unsigned int thread_count = 2;
// Minimum size in bytes for which parallel processing is beneficial
//size_t PARALLEL_THRESHOLD = (L3 CACHE * NUM PHYSICAL CORES); // 64 KB
std::array<VideoCore::RasterizerDownloadArea, Core::Hardware::NUM_CPU_CORES>
rasterizer_read_areas{};
std::array<VideoCore::RasterizerDownloadArea, Core::Hardware::NUM_CPU_CORES> rasterizer_read_areas{};
std::array<GPUDirtyState, Core::Hardware::NUM_CPU_CORES> rasterizer_write_areas{};
std::array<Common::ScratchBuffer<u32>, Core::Hardware::NUM_CPU_CORES> scratch_buffers{};
std::span<Core::GPUDirtyMemoryManager> gpu_dirty_managers;