add the exmple for resuming the search

Author: merrymercy

python/tvm/auto_scheduler/auto_schedule.py

@@ -112,7 +112,7 @@ class TuningOptions(Object):
     measure_callbacks: Optional[List[MeasureCallback]]
         Callback functions called after each measurement.
         Candidates:
-          - auto_scheduler.RecordToFile
+            - auto_scheduler.RecordToFile
     """
 
     def __init__(

tutorials/auto_scheduler/tune_matmul_x86.py

@@ -156,7 +156,7 @@ def resume_search(task, log_file):
 # resume_search(task, "matmul.json")
 
 ######################################################################
-# .. note::
+# .. note:: A
 # We cannot run the line above because of the conflict between 
 # python's multiprocessing and tvm's thread pool.
 # After running a tvm generated binary (L112), the python's multiprocessing