63 lines
2.4 KiB
Python
63 lines
2.4 KiB
Python
# Copyright (C) 2018-2021 Intel Corporation
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
|
|
import logging as log
|
|
from typing import Dict
|
|
|
|
from extensions.middle.MulFakeQuantizeFuse import resolve_shared_inputs
|
|
from mo.graph.graph import Graph, Node
|
|
from mo.middle.passes.fusing.helpers import get_tensor_in_port, get_value_in_port
|
|
from mo.middle.replacement import MiddleReplacementPattern
|
|
|
|
|
|
class AddFakeQuantizeFuse(MiddleReplacementPattern):
|
|
""" Fuses Add --> FakeQuantize sequence if possible
|
|
"""
|
|
enabled = False
|
|
|
|
def run_after(self):
|
|
return []
|
|
|
|
def run_before(self):
|
|
return []
|
|
|
|
def pattern(self):
|
|
return dict(
|
|
nodes=[
|
|
('preop', dict(op='Add', can_be_fused=True)),
|
|
('preoped', dict()),
|
|
('quantize', dict(op='FakeQuantize')),
|
|
],
|
|
edges=[
|
|
('preop', 'preoped'),
|
|
('preoped', 'quantize', {'in': 0}),
|
|
]
|
|
)
|
|
|
|
def replace_pattern(self, graph: Graph, match: Dict[str, Node]):
|
|
quantize = match['quantize']
|
|
preop = match['preop']
|
|
|
|
for i in [0, 1]:
|
|
if preop.in_port(i).get_source().node.soft_get('type') in ['Convolution', 'Deconvolution', 'MatMul']:
|
|
return
|
|
|
|
tensor_port, value_port = get_tensor_in_port(preop), get_value_in_port(preop)
|
|
|
|
if value_port is None or value_port.data.get_value() is None:
|
|
log.debug('AddQuantizeFuse: cannot fuse because Add op has dynamic inputs')
|
|
return
|
|
|
|
# Direct modifications to quantize 1-st and 2-nd port inputs are performed.
|
|
# So the data nodes at those inputs shouldn't have more than 1 consumer maximum 2 consumers to the same
|
|
# quantize op (consumed by 1st and 2nd ports). So we duplicate FakeQuantize in_port 1, 2, 3, 4 data
|
|
resolve_shared_inputs(node=quantize, port_ids_to_duplicate=[1, 2])
|
|
|
|
quantize.in_port(1).data.set_value(quantize.in_port(1).data.get_value() - value_port.data.get_value())
|
|
if quantize.in_node(1).id != quantize.in_node(2).id:
|
|
quantize.in_port(2).data.set_value(quantize.in_port(2).data.get_value() - value_port.data.get_value())
|
|
|
|
in_add_connection = quantize.in_port(0).get_source().node.in_port(0).get_connection()
|
|
quantize.in_port(0).disconnect()
|
|
in_add_connection.add_destination(quantize.in_port(0))
|