Benchmarks: micro benchmarks - add general CPU bandwidth and latency benchmark

[polarG]

Description
Add micro benchmark to measure general CPU bandwidth and latency without 'mlc'.

Test output:

{
"cpu-memory-bw-latency/return_code": 0,
"cpu-memory-bw-latency/mem_bandwidth_matrix_numa_0_1_bw": 5388.75021,
"cpu-memory-bw-latency/mem_bandwidth_matrix_numa_0_1_lat": 0.185571786,
"cpu-memory-bw-latency/mem_bandwidth_matrix_numa_1_0_bw": 4634.82028,
"cpu-memory-bw-latency/mem_bandwidth_matrix_numa_1_0_lat": 0.215758096,
}

[dpower4]

LGTM

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 11 lines in your changes missing coverage. Please review.

Project coverage is 85.68%. Comparing base (a8a7bed) to head (b5f634c).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...ro_benchmarks/cpu_memory_bw_latency_performance.py	66.66%	11 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #662      +/-   ##
==========================================
- Coverage   85.77%   85.68%   -0.09%     
==========================================
  Files          97       97              
  Lines        6925     6952      +27     
==========================================
+ Hits         5940     5957      +17     
- Misses        985      995      +10     

Flag	Coverage Δ
cpu-python3.6-unit-test	71.55% <66.66%> (-0.04%)	⬇️
cpu-python3.7-unit-test	71.55% <66.66%> (-0.04%)	⬇️
cpu-python3.8-unit-test	71.58% <65.62%> (-0.04%)	⬇️
cuda-unit-test	83.77% <66.66%> (-0.09%)	⬇️

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