From 362020613672e9b260552807a3edf8cb58c23dee Mon Sep 17 00:00:00 2001 From: ameerj Date: Thu, 29 Oct 2020 14:16:45 -0400 Subject: async_shaders: Increase Async worker thread count for 8+ thread cpus Adds 1 async worker thread for every 2 available threads above 8 --- src/video_core/shader/async_shaders.cpp | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) (limited to 'src') diff --git a/src/video_core/shader/async_shaders.cpp b/src/video_core/shader/async_shaders.cpp index aabd62c5c..39cc3b869 100644 --- a/src/video_core/shader/async_shaders.cpp +++ b/src/video_core/shader/async_shaders.cpp @@ -20,14 +20,15 @@ AsyncShaders::~AsyncShaders() { } void AsyncShaders::AllocateWorkers() { - // Max worker threads we should allow - constexpr u32 MAX_THREADS = 4; - // Deduce how many threads we can use - const u32 threads_used = std::thread::hardware_concurrency() / 4; - // Always allow at least 1 thread regardless of our settings - const auto max_worker_count = std::max(1U, threads_used); - // Don't use more than MAX_THREADS - const auto num_workers = std::min(max_worker_count, MAX_THREADS); + // Use at least one thread + u32 num_workers = 1; + + // Deduce how many more threads we can use + const u32 thread_count = std::thread::hardware_concurrency(); + if (thread_count >= 8) { + // Increase async workers by 1 for every 2 threads >= 8 + num_workers += 1 + (thread_count - 8) / 2; + } // If we already have workers queued, ignore if (num_workers == worker_threads.size()) { -- cgit v1.2.3