Adding Stream Benchmark

[rafsalas19]

Description

• Added stream benchmark
• Added stream unit test
• Added stream example
• Modified docker files to build stream

[rafsalas19]

I will be making a separate PR for HPL benchmark. I will add a config file that runs the Stream and HPL test for HBv4 in the next PR.

[codecov]

Codecov Report

Merging #473 (f3b7499) into main (62a2913) will increase coverage by 0.01%.
The diff coverage is 89.28%.

@@            Coverage Diff             @@
##             main     #473      +/-   ##
==========================================
+ Coverage   87.80%   87.82%   +0.01%     
==========================================
  Files          86       87       +1     
  Lines        5569     5625      +56     
==========================================
+ Hits         4890     4940      +50     
- Misses        679      685       +6     

Flag	Coverage Δ
cpu-python3.6-unit-test	74.99% <89.28%> (+0.14%)	⬆️
cpu-python3.7-unit-test	74.99% <89.28%> (+0.14%)	⬆️
cuda-unit-test	87.75% <89.28%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...chmarks/micro_benchmarks/cpu_stream_performance.py	89.09% <89.09%> (ø)
superbench/benchmarks/micro_benchmarks/__init__.py	100.00% <100.00%> (ø)

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