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ptq_openvino_resnet50_8xb32_in1k_calib32xb32.py
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ptq_openvino_resnet50_8xb32_in1k_calib32xb32.py
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_base_ = [
'mmcls::resnet/resnet50_8xb32_in1k.py',
'../../deploy_cfgs/mmcls/classification_openvino_dynamic-224x224.py'
]
_base_.val_dataloader.batch_size = 32
test_cfg = dict(
type='mmrazor.PTQLoop',
calibrate_dataloader=_base_.val_dataloader,
calibrate_steps=32,
)
global_qconfig = dict(
w_observer=dict(type='mmrazor.PerChannelMinMaxObserver'),
a_observer=dict(type='mmrazor.MovingAverageMinMaxObserver'),
w_fake_quant=dict(type='mmrazor.FakeQuantize'),
a_fake_quant=dict(type='mmrazor.FakeQuantize'),
w_qscheme=dict(
qdtype='qint8', bit=8, is_symmetry=True, is_symmetric_range=True),
a_qscheme=dict(
qdtype='quint8', bit=8, is_symmetry=True, averaging_constant=0.1),
)
float_checkpoint = 'https://download.openmmlab.com/mmclassification/v0/resnet/resnet50_8xb32_in1k_20210831-ea4938fc.pth' # noqa: E501
model = dict(
_delete_=True,
type='mmrazor.MMArchitectureQuant',
data_preprocessor=dict(
type='mmcls.ClsDataPreprocessor',
num_classes=1000,
# RGB format normalization parameters
mean=[123.675, 116.28, 103.53],
std=[58.395, 57.12, 57.375],
# convert image from BGR to RGB
to_rgb=True),
architecture=_base_.model,
deploy_cfg=_base_.deploy_cfg,
float_checkpoint=float_checkpoint,
quantizer=dict(
type='mmrazor.OpenVINOQuantizer',
global_qconfig=global_qconfig,
tracer=dict(
type='mmrazor.CustomTracer',
skipped_methods=[
'mmcls.models.heads.ClsHead._get_loss',
'mmcls.models.heads.ClsHead._get_predictions'
])))
model_wrapper_cfg = dict(type='mmrazor.MMArchitectureQuantDDP', )