Software Tuning, Performance Optimization & Platform Monitoring
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Does mlc support memory only NUMA configuration?

frankkou
Beginner
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mlc fails to run on a server with CXL memory configured as NUMA node 1 memory (there is no CPU to the NUMA node)

# numactl -H
available: 2 nodes (0-1)
node 0 cpus: 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
node 0 size: 257614 MB
node 0 free: 255931 MB
node 1 cpus:
node 1 size: 128906 MB
node 1 free: 29 MB
node distances:
node   0   1
  0:  10  50
  1:  255  10
# mlc/mlc
Intel(R) Memory Latency Checker - v3.9
Measuring idle latencies (in ns)...
		Numa node
Numa node	     0	     1
       0	alloc_mem_onnode(): unable to mbind: : Invalid argument
Buffer allocation failed!
# numactl -N0 mlc/mlc
Intel(R) Memory Latency Checker - v3.9
Measuring idle latencies (in ns)...
		Numa node
Numa node	     0	     1
       0	alloc_mem_onnode(): unable to mbind: : Invalid argument
Buffer allocation failed!

 Is there a configuration or workaround for mlc to support this setup?

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