Make it work on Blender 3.0

Author: BeheadedKamikaze

Cycles/SFR_Benchmark_cy.py

@@ -58,7 +58,8 @@ def execute(self, context: Context):
         cycles.debug_use_spatial_splits = True
         cycles.debug_use_hair_bvh = True
         scene.render.use_persistent_data = True
-        scene.render.use_save_buffers = True
+        if hasattr(scene.render, 'use_save_buffers'):
+            scene.render.use_save_buffers = True
 
         # set adaptive samples
         cycles.use_adaptive_sampling = True