Update triton_heuristics.py

(cherry picked from commit 2fc7525)
(cherry picked from commit 528cf02)

Author: jataylo

torch/_inductor/runtime/triton_heuristics.py

@@ -2276,6 +2276,7 @@ def foreach(triton_meta, filename=None, inductor_meta=None):
     """
     configs = []
 
+    # Naive autotuning path for num_warps
     if disable_pointwise_autotuning(inductor_meta) and not (
         inductor_meta.get("max_autotune") or
         inductor_meta.get("max_autotune_pointwise")