CPUs
How many does your system have?
Linux
# lscpu | egrep 'CPU\(s\)' CPU(s): 32 On-line CPU(s) list: 0-31 NUMA node0 CPU(s): 0-7,16-23 NUMA node1 CPU(s): 8-15,24-31
# lscpu | egrep 'CPU\(s\)' CPU(s): 32 On-line CPU(s) list: 0-31 NUMA node0 CPU(s): 0-7,16-23 NUMA node1 CPU(s): 8-15,24-31