[Test] PTQ for QAT initialization for Torch samples

[daniil-lyakhov]

Changes

Test for QAT after PTQ for torch classifications

Reason for changes

To check PTQ quantized model is trainable in torch

Related tickets

129584

Results

Testcase	Task	num epoch for fine-tuning now	num epoch for fine-tuning before
resnet50_imagenet_int8	Classification	0	1
squeezenet1_1_imagenet_int8	Classification	0	5
resnet50_imagenet_int8_per_tensor	Classification	0	1
inception_v3_imagenet_int8	Classification	0	1
mobilenet_v3_small_imagenet_int8	Classification	5	5
mobilenet_v2_imagenet_int8	Classification	1	5
squeezenet1_1_imagenet_int8_per_tensor	classification	0	5
mobilenet_v2_imagenet_int8_per_tensor	Classification	1	10
ssd512_vgg_voc_int8	Object Detection	0	78
ssd300_vgg_voc_int8	Object Detection	0	24
unet_mapillary_int8	Semantic Segmentation	0	300
unet_camvid_int8	Semantic Segmentation	0	10
icnet_camvid_int8	Semantic Segmentation	0	300

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 83.57%. Comparing base (12f4720) to head (e4bd12f). Report is 12 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2404      +/-   ##
===========================================
- Coverage    91.18%   83.57%   -7.62%     
===========================================
  Files          492      494       +2     
  Lines        45096    45377     +281     
===========================================
- Hits         41123    37923    -3200     
- Misses        3973     7454    +3481     

see 110 files with indirect coverage changes

Flag	Coverage Δ
COMMON	?
ONNX	34.66% <ø> (+<0.01%)	:arrow_up:
OPENVINO	∅ <ø> (∅)
TENSORFLOW	30.10% <ø> (+0.23%)	:arrow_up:
TORCH	65.92% <ø> (+0.16%)	:arrow_up:

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

Components	Coverage Δ
common	88.89% <ø> (-4.88%)	:arrow_down:
torch	93.48% <ø> (-0.12%)	:arrow_down:
tensorflow	93.74% <ø> (ø)
onnx	93.09% <ø> (+0.03%)	:arrow_up:
openvino	25.76% <ø> (-68.31%)	:arrow_down:
ptq	64.84% <ø> (-25.38%)	:arrow_down:

[ljaljushkin]

@daniil-lyakhov do you have a build in CI with these tests?

[AlexanderDokuchaev]

torch_weekly/31 - failed

[daniil-lyakhov]

torch_weekly/31 - failed

torch_weekly/38 - in progress

[daniil-lyakhov]

Build torch_weekly/42/ is successfull CC: @AlexanderDokuchaev