Data Type


Default Value



This parameter controls how much information is printed about the NUMA placement. The following values are available:

  • 0, No information.
  • 1, Information about the node topology.
    This includes the relationship between CPU cores and nodes and the amount of memory on each node.
  • 2, Information on the binding of threads to nodes or CPU cores
  • 4, Information on memory placement before each major function.
  • 8, Information on memory placement after each memory allocation.
  • 16, Internal details on NUMA calls.
  • 32, Debug information on NUMA calls.