From 7dff83433c71d55fd0e859045025d1e007ec65a4 Mon Sep 17 00:00:00 2001
From: Damiano Galassi <damiog@gmail.com>
Date: Fri, 13 Sep 2024 16:08:25 +0200
Subject: [PATCH 2/6] Apple Silicon tuning

---
 source/common/threadpool.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/source/common/threadpool.cpp b/source/common/threadpool.cpp
index 615b04b6f..7d99f8cb1 100644
--- a/source/common/threadpool.cpp
+++ b/source/common/threadpool.cpp
@@ -661,10 +661,16 @@ void ThreadPool::getFrameThreadsCount(x265_param* p, int cpuCount)
     else if (cpuCount >= 32)
         p->frameNumThreads = (p->sourceHeight > 2000) ? 6 : 5; 
     else if (cpuCount >= 16)
-        p->frameNumThreads = 4; 
+#if MACOS && X265_ARCH_ARM64
+        p->frameNumThreads = 16;
+#else
+        p->frameNumThreads = 4;
+#endif
     else if (cpuCount >= 8)
 #if _WIN32 && X265_ARCH_ARM64
         p->frameNumThreads = cpuCount;
+#elif MACOS && X265_ARCH_ARM64
+        p->frameNumThreads = 8;
 #else
         p->frameNumThreads = 3;
 #endif
-- 
2.39.5 (Apple Git-154)