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[Fix] Add not_calc_quant_min_max assertion when symmetric_range==True #99

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[Fix] Add not_calc_quant_min_max assertion when symmetric_range==True #99

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6 changes: 4 additions & 2 deletions mqbench/prepare_by_platform.py
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Original file line number Diff line number Diff line change
Expand Up @@ -64,8 +64,10 @@ class BackendType(Enum):
default_weight_observer=MinMaxObserver,
default_act_observer=EMAMinMaxObserver),
BackendType.Tensorrt: dict(qtype='affine', # noqa: E241
w_qscheme=QuantizeScheme(symmetry=True, per_channel=True, pot_scale=False, bit=8, symmetric_range=True),
a_qscheme=QuantizeScheme(symmetry=True, per_channel=False, pot_scale=False, bit=8, symmetric_range=True),
w_qscheme=QuantizeScheme(symmetry=True, per_channel=True, pot_scale=False, bit=8, symmetric_range=True,
factory_kwargs={'not_calc_quant_min_max': True}),
a_qscheme=QuantizeScheme(symmetry=True, per_channel=False, pot_scale=False, bit=8, symmetric_range=True,
factory_kwargs={'not_calc_quant_min_max': True}),
default_weight_quantize=LearnableFakeQuantize,
default_act_quantize=LearnableFakeQuantize,
default_weight_observer=MinMaxObserver,
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4 changes: 4 additions & 0 deletions mqbench/scheme.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,10 @@ def __init__(self, symmetry=True, per_channel=False, pot_scale=False, bit=8, **k
if 'symmetric_range' in kwargs:
self.symmetric_range = kwargs['symmetric_range']
del kwargs['symmetric_range']
assert isinstance(kwargs.get('factory_kwargs', None), dict) \
and kwargs['factory_kwargs'].get('not_calc_quant_min_max', False), \
"QuantizeScheme with `symmetric_range=True` should provide kwargs " \
"factory_kwargs={not_calc_quant_min_max: True, ...}"
else:
self.symmetric_range = False
self.kwargs = kwargs
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