1 //
2 // Copyright © 2017 Arm Ltd. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5
6 #include <boost/test/unit_test.hpp>
7 #include "ParserFlatbuffersFixture.hpp"
8 #include "../TfLiteParser.hpp"
9
10 #include <string>
11 #include <iostream>
12
13 BOOST_AUTO_TEST_SUITE(TensorflowLiteParser)
14
15 struct L2NormalizationFixture : public ParserFlatbuffersFixture
16 {
L2NormalizationFixtureL2NormalizationFixture17 explicit L2NormalizationFixture(const std::string & inputOutputShape)
18 {
19 m_JsonString = R"(
20 {
21 "version": 3,
22 "operator_codes": [ { "builtin_code": "L2_NORMALIZATION" } ],
23 "subgraphs": [ {
24 "tensors": [
25 {
26 "shape": )" + inputOutputShape + R"(,
27 "type": "FLOAT32",
28 "buffer": 0,
29 "name": "inputTensor",
30 "quantization": {
31 "min": [ 0.0 ],
32 "max": [ 255.0 ],
33 "scale": [ 1.0 ],
34 "zero_point": [ 0 ],
35 }
36 },
37 {
38 "shape": )" + inputOutputShape + R"(,
39 "type": "FLOAT32",
40 "buffer": 1,
41 "name": "outputTensor",
42 "quantization": {
43 "min": [ 0.0 ],
44 "max": [ 255.0 ],
45 "scale": [ 1.0 ],
46 "zero_point": [ 0 ],
47 }
48 }
49 ],
50 "inputs": [ 0 ],
51 "outputs": [ 1 ],
52 "operators": [
53 {
54 "opcode_index": 0,
55 "inputs": [ 0 ],
56 "outputs": [ 1 ],
57 "custom_options_format": "FLEXBUFFERS"
58 }
59 ],
60 } ],
61 "buffers" : [
62 { }
63 ]
64 }
65 )";
66 Setup();
67 }
68 };
69
CalcL2Norm(std::initializer_list<float> elements)70 float CalcL2Norm(std::initializer_list<float> elements)
71 {
72 const float reduction = std::accumulate(elements.begin(), elements.end(), 0.0f,
73 [](float acc, float element) { return acc + element * element; });
74 const float eps = 1e-12f;
75 const float max = reduction < eps ? eps : reduction;
76 return sqrtf(max);
77 }
78
79 struct L2NormalizationFixture4D : L2NormalizationFixture
80 {
81 // TfLite uses NHWC shape
L2NormalizationFixture4DL2NormalizationFixture4D82 L2NormalizationFixture4D() : L2NormalizationFixture("[ 1, 1, 4, 3 ]") {}
83 };
84
BOOST_FIXTURE_TEST_CASE(ParseL2Normalization4D,L2NormalizationFixture4D)85 BOOST_FIXTURE_TEST_CASE(ParseL2Normalization4D, L2NormalizationFixture4D)
86 {
87 RunTest<4, armnn::DataType::Float32>(
88 0,
89 {{"inputTensor", { 1.0f, 2.0f, 3.0f,
90 4.0f, 5.0f, 6.0f,
91 7.0f, 8.0f, 9.0f,
92 10.0f, 11.0f, 12.0f }}},
93
94 {{"outputTensor", { 1.0f / CalcL2Norm({ 1.0f, 2.0f, 3.0f }),
95 2.0f / CalcL2Norm({ 1.0f, 2.0f, 3.0f }),
96 3.0f / CalcL2Norm({ 1.0f, 2.0f, 3.0f }),
97
98 4.0f / CalcL2Norm({ 4.0f, 5.0f, 6.0f }),
99 5.0f / CalcL2Norm({ 4.0f, 5.0f, 6.0f }),
100 6.0f / CalcL2Norm({ 4.0f, 5.0f, 6.0f }),
101
102 7.0f / CalcL2Norm({ 7.0f, 8.0f, 9.0f }),
103 8.0f / CalcL2Norm({ 7.0f, 8.0f, 9.0f }),
104 9.0f / CalcL2Norm({ 7.0f, 8.0f, 9.0f }),
105
106 10.0f / CalcL2Norm({ 10.0f, 11.0f, 12.0f }),
107 11.0f / CalcL2Norm({ 10.0f, 11.0f, 12.0f }),
108 12.0f / CalcL2Norm({ 10.0f, 11.0f, 12.0f }) }}});
109 }
110
111 struct L2NormalizationSimpleFixture4D : L2NormalizationFixture
112 {
L2NormalizationSimpleFixture4DL2NormalizationSimpleFixture4D113 L2NormalizationSimpleFixture4D() : L2NormalizationFixture("[ 1, 1, 1, 4 ]") {}
114 };
115
BOOST_FIXTURE_TEST_CASE(ParseL2NormalizationEps4D,L2NormalizationSimpleFixture4D)116 BOOST_FIXTURE_TEST_CASE(ParseL2NormalizationEps4D, L2NormalizationSimpleFixture4D)
117 {
118 RunTest<4, armnn::DataType::Float32>(
119 0,
120 {{"inputTensor", { 0.00000001f, 0.00000002f, 0.00000003f, 0.00000004f }}},
121
122 {{"outputTensor", { 0.00000001f / CalcL2Norm({ 0.00000001f, 0.00000002f, 0.00000003f, 0.00000004f }),
123 0.00000002f / CalcL2Norm({ 0.00000001f, 0.00000002f, 0.00000003f, 0.00000004f }),
124 0.00000003f / CalcL2Norm({ 0.00000001f, 0.00000002f, 0.00000003f, 0.00000004f }),
125 0.00000004f / CalcL2Norm({ 0.00000001f, 0.00000002f, 0.00000003f, 0.00000004f }) }}});
126 }
127
128 BOOST_AUTO_TEST_SUITE_END()
129