Benchmarks: microbenchmark - add auto selecting algorithm support for cudnn functions

[yukirora]

Description add auto selecting algorithm support for cudnn functions.

Major Revision

• add auto selecting algorithm support for cudnn functions in source code
• add 'auto_algo' option in benchmark
• add related test

[codecov[bot]]

Codecov Report

Merging #540 (e56e90a) into main (c7d0bea) will increase coverage by 0.00%. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #540   +/-   ##
=======================================
  Coverage   86.99%   87.00%           
=======================================
  Files          89       89           
  Lines        6013     6016    +3     
=======================================
+ Hits         5231     5234    +3     
  Misses        782      782           

Flag	Coverage Δ
cpu-python3.6-unit-test	73.30% <33.33%> (-0.03%)	:arrow_down:
cpu-python3.7-unit-test	73.30% <33.33%> (-0.03%)	:arrow_down:
cpu-python3.8-unit-test	73.78% <33.33%> (-0.03%)	:arrow_down:
cuda-unit-test	86.88% <100.00%> (+<0.01%)	:arrow_up:

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

Impacted Files	Coverage Δ
...ench/benchmarks/micro_benchmarks/cudnn_function.py	84.14% <100.00%> (+0.60%)	:arrow_up: