On the above-mentioned system I have:
```
kern.sched.topology_spec: <groups>
<group level="1" cache-level="0">
<cpu count="80" mask="ffffffffffffffff,ffff,0,0">0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 6
9, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79</cpu>
<children>
<group level="2" cache-level="3">
<cpu count="20" mask="fffff,0,0,0">0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19</cpu>
</group>
<group level="2" cache-level="3">
<cpu count="20" mask="fffff00000,0,0,0">20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39</cpu>
</group>
<group level="2" cache-level="3">
<cpu count="20" mask="fffff0000000000,0,0,0">40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59</cpu>
</group>
<group level="2" cache-level="3">
<cpu count="20" mask="f000000000000000,ffff,0,0">60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79</cpu>
</group>
</children>
</group>
</groups>
```