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VK: scale auto shader compiler workers on wide CPUs

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This commit is contained in:
jfleezy23
2026-03-15 01:53:07 -07:00
committed by kd-11
parent 1627757608
commit 5274210ba8
1 changed files with 29 additions and 15 deletions
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rpcs3/Emu/RSX/VK/VKPipelineCompiler.cpp
+29 -15
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@@ -216,16 +216,27 @@ namespace vk
return {}; return {};
} }
void initialize_pipe_compiler(int num_worker_threads) void initialize_pipe_compiler(int num_worker_threads)
{ {
if (num_worker_threads == 0) if (num_worker_threads == 0)
{ {
// Select optimal number of compiler threads // Select a conservative but modern default for async pipeline compilation.
const auto hw_threads = utils::get_thread_count(); // Older heuristics topped out too early on high-core CPUs and left large
if (hw_threads > 12) // shader bursts queued longer than necessary.
{ const auto hw_threads = utils::get_thread_count();
num_worker_threads = 6;
} if (hw_threads >= 24)
{
num_worker_threads = 12;
}
else if (hw_threads >= 16)
{
num_worker_threads = 8;
}
else if (hw_threads > 12)
{
num_worker_threads = 6;
}
else if (hw_threads > 8) else if (hw_threads > 8)
{ {
num_worker_threads = 4; num_worker_threads = 4;
@@ -234,11 +245,14 @@ namespace vk
{ {
num_worker_threads = 2; num_worker_threads = 2;
} }
else else
{ {
num_worker_threads = 1; num_worker_threads = 1;
} }
}
rsx_log.notice("Async pipeline compiler auto-selected %d worker(s) for %u host thread(s).",
num_worker_threads, hw_threads);
}
ensure(num_worker_threads >= 1); ensure(num_worker_threads >= 1);
ensure(g_render_device); // "Cannot initialize pipe compiler before creating a logical device" ensure(g_render_device); // "Cannot initialize pipe compiler before creating a logical device"