[WIP] Distiller v2

[pppppM]

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Motivation

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Modification

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BC-breaking (Optional)

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Checklist

Before PR:

• Pre-commit or other linting tools are used to fix the potential lint issues.
• Bug fixes are fully covered by unit tests, the case that causes the bug should be added in the unit tests.
• The modification is covered by complete unit tests. If not, please add more unit tests to ensure the correctness.
• The documentation has been modified accordingly, like docstring or example tutorials.

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[codecov]

Codecov Report

Merging #107 (6af7327) into dev_v0.3.0 (81e0e34) will increase coverage by 1.45%.
The diff coverage is 35.18%.

@@              Coverage Diff               @@
##           dev_v0.3.0     #107      +/-   ##
==============================================
+ Coverage       58.46%   59.91%   +1.45%     
==============================================
  Files              87      107      +20     
  Lines            3154     3700     +546     
  Branches          581      660      +79     
==============================================
+ Hits             1844     2217     +373     
- Misses           1223     1375     +152     
- Partials           87      108      +21     

Flag	Coverage Δ
unittests	59.91% <35.18%> (+1.48%)	⬆️

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

Impacted Files	Coverage Δ
mmrazor/models/distillers/base.py	40.57% <ø> (-1.68%)	⬇️
mmrazor/models/losses/rank_mimic.py	20.37% <20.37%> (ø)
mmrazor/models/distillers/single_teacher_v2.py	23.18% <23.18%> (ø)
mmrazor/core/delivers/function_outputs_deliver.py	29.62% <29.62%> (ø)
mmrazor/core/delivers/method_outputs_deliver.py	29.62% <29.62%> (ø)
mmrazor/core/recorders/recorder_manager.py	33.33% <33.33%> (ø)
...mrazor/core/recorders/function_outputs_recorder.py	34.48% <34.48%> (ø)
mmrazor/core/recorders/method_outputs_recorder.py	34.48% <34.48%> (ø)
mmrazor/core/recorders/module_inputs_recorder.py	34.78% <34.78%> (ø)
mmrazor/core/recorders/module_outputs_recorder.py	34.78% <34.78%> (ø)
... and 53 more

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