onnxruntime/onnxruntime/test/python/quantization/test_op_maxpool.py
2021-05-18 20:14:57 -07:00

93 lines
4.4 KiB
Python

#!/usr/bin/env python
# coding: utf-8
# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
import unittest
import onnx
import numpy as np
from onnx import helper, TensorProto
from onnxruntime.quantization import quantize_static, QuantFormat
from op_test_utils import TestDataFeeds, check_model_correctness, check_op_type_count, check_op_nodes
class TestOpMaxPool(unittest.TestCase):
def input_feeds(self, n, name2shape):
input_data_list = []
for i in range(n):
inputs = {}
for name, shape in name2shape.items():
inputs.update({name: np.random.randint(-1, 2, shape).astype(np.float32)})
input_data_list.extend([inputs])
dr = TestDataFeeds(input_data_list)
return dr
def construct_model_conv_maxpool(self, output_model_path,
conv_input_shape, conv_weight_shape,
maxpool_input_shape, maxpool_attributes,
output_shape,
):
# (input)
# \
# Conv
# / \
# Identity MaxPool
# / \
# (identity_out) (output)
input_tensor = helper.make_tensor_value_info('input', TensorProto.FLOAT, conv_input_shape)
conv_weight_arr = np.random.randint(-1, 2, conv_weight_shape).astype(np.float32)
conv_weight_initializer = onnx.numpy_helper.from_array(conv_weight_arr, name='conv1_weight')
conv_node = onnx.helper.make_node('Conv', ['input', 'conv1_weight'], ['conv_output'], name='conv_node')
identity_out = helper.make_tensor_value_info('identity_out', TensorProto.FLOAT, maxpool_input_shape)
identity_node = helper.make_node('Identity', ['conv_output'], ['identity_out'], name='IdentityNode')
initializers = [conv_weight_initializer]
output_tensor = helper.make_tensor_value_info('output', TensorProto.FLOAT, output_shape)
maxpool_node = helper.make_node('MaxPool', ['conv_output'], ['output'], name='maxpool_node', **maxpool_attributes)
graph = helper.make_graph([conv_node, identity_node, maxpool_node], 'TestOpQuantizerMaxPool_test_model',
[input_tensor], [identity_out, output_tensor], initializer=initializers)
model = helper.make_model(graph, opset_imports=[helper.make_opsetid("", 12)])
model.ir_version = 7 # use stable onnx ir version
onnx.save(model, output_model_path)
def test_quantize_maxpool(self):
np.random.seed(1)
model_fp32_path = 'maxpool_fp32.onnx'
model_uint8_path = 'maxpool_uint8.onnx'
model_uint8_qdq_path = 'maxpool_uint8_qdq.onnx'
self.construct_model_conv_maxpool(model_fp32_path,
[1, 2, 26, 42], [3, 2, 3, 3],
[1, 3, 24, 40], {'kernel_shape': [3, 3]},
[1, 3, 22, 38])
# Verify QOperator mode
data_reader = self.input_feeds(1, {'input': [1, 2, 26, 42]})
quantize_static(model_fp32_path, model_uint8_path, data_reader)
# make sure maxpool become xint8 operator, its input name could tell that
check_op_nodes(self, model_uint8_path, lambda node: (node.name != "maxpool_node" or node.input[0] != 'conv_output'))
qnode_counts = {'QLinearConv': 1, 'QuantizeLinear': 1, 'DequantizeLinear': 2, 'MaxPool': 1}
check_op_type_count(self, model_uint8_path, **qnode_counts)
data_reader.rewind()
check_model_correctness(self, model_fp32_path, model_uint8_path, data_reader.get_next())
# Verify QDQ mode
data_reader.rewind()
quantize_static(model_fp32_path, model_uint8_qdq_path, data_reader, quant_format=QuantFormat.QDQ)
qdqnode_counts = {'Conv': 1, 'QuantizeLinear': 2, 'DequantizeLinear': 3, 'MaxPool': 1}
check_op_type_count(self, model_uint8_qdq_path, **qdqnode_counts)
data_reader.rewind()
check_model_correctness(self, model_fp32_path, model_uint8_qdq_path, data_reader.get_next())
if __name__ == '__main__':
unittest.main()