attempt to deal with missing Linux-only os.sched_getaffinity for macos too

Signed-off-by: Luke Nezda <[email protected]>

Author: nezda

intel_extension_for_transformers/llm/runtime/graph/__init__.py

@@ -134,7 +134,7 @@ def init_from_bin(self, model_type, model_path, **generate_kwargs):
             import platform
             sys_platform = platform.platform().lower()
             if threads is None:
-                if "windows" in sys_platform:
+                if "windows" in sys_platform or "macos" in sys_platform:
                     cpu_count = os.cpu_count()
                     generate_kwargs["threads"] = int(cpu_count)
                 else: