test/reference/binary_elementwise.cpp - KleidiAI Coverage Report

Directory:	./
File:	test/reference/binary_elementwise.cpp
Date:	2025-10-20 13:18:31

	Coverage	Exec	Excl	Total
Lines:	73.5%	36	5	54
Functions:	34.9%	15	0	43
Branches:	22.6%	65	88	376

  
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      //
    
      // SPDX-FileCopyrightText: Copyright 2024-2025 Arm Limited and/or its affiliates <open-source-office@arm.com>
    
      //
    
      // SPDX-License-Identifier: Apache-2.0
    
      //
    
      #include "test/reference/binary_elementwise.hpp"
    
      #include <algorithm>
    
      #include <cstddef>
    
      #include <cstdint>
    
      #include "kai/kai_common.h"
    
      #include "test/common/buffer.hpp"
    
      #include "test/common/data_type.hpp"
    
      #include "test/common/float16.hpp"
    
      #include "test/common/int4.hpp"
    
      #include "test/common/memory.hpp"
    
      namespace kai::test {
    
      namespace {
    
      /// Binary element-wise operator.
    
      enum class BinaryElementwiseOperator : uint32_t {
    
          ADD,  ///< Addition.
    
          SUB,  ///< Subtraction.
    
          MUL,  ///< Multiplication.
    
          DIV,  ///< Division.
    
      };
    
      /// Scalar binary element-wise function.
    
      ///
    
      /// @tparam op Binary element-wise operator to perform.
    
      /// @tparam T Data type.
    
      ///
    
      /// @param[in] lhs LHS operand.
    
      /// @param[in] rhs RHS operand.
    
      ///
    
      /// @return The result of the operation.
    
      template <const BinaryElementwiseOperator op, typename T>
    
      6216353
      T scalar_binary_elementwise(T lhs, T rhs) {
    
          if constexpr (op == BinaryElementwiseOperator::ADD) {
    
      5794841
              return lhs + rhs;
    
          } else if constexpr (op == BinaryElementwiseOperator::SUB) {
    
      105378
              return lhs - rhs;
    
          } else if constexpr (op == BinaryElementwiseOperator::MUL) {
    
      316134
              return lhs * rhs;
    
          } else if constexpr (op == BinaryElementwiseOperator::DIV) {
    
      ✗
              return lhs / rhs;
    
          } else {
    
              KAI_ERROR("Unsupported binary element-wise operator!");
    
          }
    
      }
    
      /// Binary element-wise function.
    
      ///
    
      /// @tparam op Binary element-wise operator to perform.
    
      /// @tparam T Data type.
    
      ///
    
      /// @param[in] lhs LHS data buffer.
    
      /// @param[in] rhs RHS data buffer.
    
      /// @param[in] lhs_height LHS height.
    
      /// @param[in] lhs_width LHS width.
    
      /// @param[in] rhs_height RHS height.
    
      /// @param[in] rhs_width RHS width.
    
      ///
    
      /// @return The result data buffer.
    
      template <const BinaryElementwiseOperator op, typename T>
    
      6086
      Buffer binary_elementwise_any_op_type(
    
          const void* lhs, const void* rhs, size_t lhs_height, size_t lhs_width, size_t rhs_height, size_t rhs_width) {
    
      6086
          const auto height = std::max(lhs_height, rhs_height);
    
      6086
          const auto width = std::max(lhs_width, rhs_width);
    
      −
          KAI_ASSUME(width * size_in_bits<T> % 8 == 0);
    
      6086
          Buffer dst(height * width * size_in_bits<T> / 8);
    
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          for (size_t y = 0; y < height; ++y) {
    
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      6216353
                  const auto lhs_y = lhs_height > 1 ? y : 0;
    
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      6216353
                  const auto lhs_x = lhs_width > 1 ? x : 0;
    
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      6216353
                  const auto lhs_value = read_array<T>(lhs, lhs_y * lhs_width + lhs_x);
    
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      6216353
                  const auto rhs_y = rhs_height > 1 ? y : 0;
    
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                  const auto rhs_x = rhs_width > 1 ? x : 0;
    
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      6216353
                  const auto rhs_value = read_array<T>(rhs, rhs_y * rhs_width + rhs_x);
    
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      6216353
                  const auto dst_value = scalar_binary_elementwise<op, T>(lhs_value, rhs_value);
    
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      6216353
                  write_array<T>(dst.data(), y * width + x, dst_value);
    
      6216353
              }
    
      181398
          }
    
      6086
          return dst;
    
      6086
      }
    
      template <const BinaryElementwiseOperator op>
    
      2378
      Buffer binary_elementwise_any_type(
    
          const void* lhs, DataType lhs_dt, size_t lhs_height, size_t lhs_width,  //
    
          const void* rhs, DataType rhs_dt, size_t rhs_height, size_t rhs_width) {
    
      −
          KAI_ASSUME(lhs_dt == rhs_dt);
    
      −
          KAI_ASSUME(lhs_height == 1 || rhs_height == 1 || lhs_height == rhs_height);
    
      −
          KAI_ASSUME(lhs_width == 1 || rhs_width == 1 || lhs_width == rhs_width);
    
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      2378
          switch (lhs_dt) {
    
              case DataType::FP32:
    
      1191
                  return binary_elementwise_any_op_type<op, float>(lhs, rhs, lhs_height, lhs_width, rhs_height, rhs_width);
    
              case DataType::FP16:
    
      1187
                  return binary_elementwise_any_op_type<op, Float16>(lhs, rhs, lhs_height, lhs_width, rhs_height, rhs_width);
    
              case DataType::I32:
    
      ✗
                  return binary_elementwise_any_op_type<op, int32_t>(lhs, rhs, lhs_height, lhs_width, rhs_height, rhs_width);
    
              case DataType::QSU4:
    
      ✗
                  return binary_elementwise_any_op_type<op, UInt4>(lhs, rhs, lhs_height, lhs_width, rhs_height, rhs_width);
    
              default:
    
      −
                  KAI_ERROR("Unsupported data type!");
    
      ✗
          }
    
      2378
      }
    
      }  // namespace
    
      2378
      Buffer add(
    
          const void* lhs, DataType lhs_dt, size_t lhs_height, size_t lhs_width,  //
    
          const void* rhs, DataType rhs_dt, size_t rhs_height, size_t rhs_width) {
    
      2378
          return binary_elementwise_any_type<BinaryElementwiseOperator::ADD>(
    
      2378
              lhs, lhs_dt, lhs_height, lhs_width, rhs, rhs_dt, rhs_height, rhs_width);
    
      }
    
      ✗
      Buffer sub(
    
          const void* lhs, DataType lhs_dt, size_t lhs_height, size_t lhs_width,  //
    
          const void* rhs, DataType rhs_dt, size_t rhs_height, size_t rhs_width) {
    
      ✗
          return binary_elementwise_any_type<BinaryElementwiseOperator::SUB>(
    
      ✗
              lhs, lhs_dt, lhs_height, lhs_width, rhs, rhs_dt, rhs_height, rhs_width);
    
      }
    
      template <typename T>
    
      927
      Buffer sub(
    
          const void* lhs, size_t lhs_height, size_t lhs_width,  //
    
          const void* rhs, size_t rhs_height, size_t rhs_width) {
    
      927
          return binary_elementwise_any_op_type<BinaryElementwiseOperator::SUB, T>(
    
      927
              lhs, rhs, lhs_height, lhs_width, rhs_height, rhs_width);
    
      }
    
      template Buffer sub<int32_t>(
    
          const void* lhs, size_t lhs_height, size_t lhs_width,  //
    
          const void* rhs, size_t rhs_height, size_t rhs_width);
    
      ✗
      Buffer mul(
    
          const void* lhs, DataType lhs_dt, size_t lhs_height, size_t lhs_width,  //
    
          const void* rhs, DataType rhs_dt, size_t rhs_height, size_t rhs_width) {
    
      ✗
          return binary_elementwise_any_type<BinaryElementwiseOperator::MUL>(
    
      ✗
              lhs, lhs_dt, lhs_height, lhs_width, rhs, rhs_dt, rhs_height, rhs_width);
    
      }
    
      template <typename T>
    
      2781
      Buffer mul(
    
          const void* lhs, size_t lhs_height, size_t lhs_width,  //
    
          const void* rhs, size_t rhs_height, size_t rhs_width) {
    
      2781
          return binary_elementwise_any_op_type<BinaryElementwiseOperator::MUL, T>(
    
      2781
              lhs, rhs, lhs_height, lhs_width, rhs_height, rhs_width);
    
      }
    
      template Buffer mul<float>(
    
          const void* lhs, size_t lhs_height, size_t lhs_width,  //
    
          const void* rhs, size_t rhs_height, size_t rhs_width);
    
      template Buffer mul<int32_t>(
    
          const void* lhs, size_t lhs_height, size_t lhs_width,  //
    
          const void* rhs, size_t rhs_height, size_t rhs_width);
    
      ✗
      Buffer div(
    
          const void* lhs, DataType lhs_dt, size_t lhs_height, size_t lhs_width,  //
    
          const void* rhs, DataType rhs_dt, size_t rhs_height, size_t rhs_width) {
    
      ✗
          return binary_elementwise_any_type<BinaryElementwiseOperator::DIV>(
    
      ✗
              lhs, lhs_dt, lhs_height, lhs_width, rhs, rhs_dt, rhs_height, rhs_width);
    
      }
    
      }  // namespace kai::test

Line	Branch	Exec	Source
1			//
2			// SPDX-FileCopyrightText: Copyright 2024-2025 Arm Limited and/or its affiliates <open-source-office@arm.com>
3			//
4			// SPDX-License-Identifier: Apache-2.0
5			//
6
7			#include "test/reference/binary_elementwise.hpp"
8
9			#include <algorithm>
10			#include <cstddef>
11			#include <cstdint>
12
13			#include "kai/kai_common.h"
14			#include "test/common/buffer.hpp"
15			#include "test/common/data_type.hpp"
16			#include "test/common/float16.hpp"
17			#include "test/common/int4.hpp"
18			#include "test/common/memory.hpp"
19
20			namespace kai::test {
21
22			namespace {
23
24			/// Binary element-wise operator.
25			enum class BinaryElementwiseOperator : uint32_t {
26			ADD, ///< Addition.
27			SUB, ///< Subtraction.
28			MUL, ///< Multiplication.
29			DIV, ///< Division.
30			};
31
32			/// Scalar binary element-wise function.
33			///
34			/// @tparam op Binary element-wise operator to perform.
35			/// @tparam T Data type.
36			///
37			/// @param[in] lhs LHS operand.
38			/// @param[in] rhs RHS operand.
39			///
40			/// @return The result of the operation.
41			template <const BinaryElementwiseOperator op, typename T>
42		6216353	T scalar_binary_elementwise(T lhs, T rhs) {
43			if constexpr (op == BinaryElementwiseOperator::ADD) {
44		5794841	return lhs + rhs;
45			} else if constexpr (op == BinaryElementwiseOperator::SUB) {
46		105378	return lhs - rhs;
47			} else if constexpr (op == BinaryElementwiseOperator::MUL) {
48		316134	return lhs * rhs;
49			} else if constexpr (op == BinaryElementwiseOperator::DIV) {
50		✗	return lhs / rhs;
51			} else {
52			KAI_ERROR("Unsupported binary element-wise operator!");
53			}
54			}
55
56			/// Binary element-wise function.
57			///
58			/// @tparam op Binary element-wise operator to perform.
59			/// @tparam T Data type.
60			///
61			/// @param[in] lhs LHS data buffer.
62			/// @param[in] rhs RHS data buffer.
63			/// @param[in] lhs_height LHS height.
64			/// @param[in] lhs_width LHS width.
65			/// @param[in] rhs_height RHS height.
66			/// @param[in] rhs_width RHS width.
67			///
68			/// @return The result data buffer.
69			template <const BinaryElementwiseOperator op, typename T>
70		6086	Buffer binary_elementwise_any_op_type(
71			const void* lhs, const void* rhs, size_t lhs_height, size_t lhs_width, size_t rhs_height, size_t rhs_width) {
72		6086	const auto height = std::max(lhs_height, rhs_height);
73		6086	const auto width = std::max(lhs_width, rhs_width);
74
75		−	KAI_ASSUME(width * size_in_bits<T> % 8 == 0);
76		6086	Buffer dst(height * width * size_in_bits<T> / 8);
77
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82	2/14 ✓ Branch 0 taken 2892060 times. ✗ Branch 1 not taken. ✗ Branch 2 not taken. ✓ Branch 3 taken 2902781 times. ✗ Branch 4 not taken. ✗ Branch 5 not taken. ✗ Branch 6 not taken. ✗ Branch 7 not taken. ✗ Branch 8 not taken. ✗ Branch 9 not taken. ✗ Branch 10 not taken. ✗ Branch 11 not taken. ✗ Branch 12 not taken. ✗ Branch 13 not taken.	6216353	const auto lhs_value = read_array<T>(lhs, lhs_y * lhs_width + lhs_x);
83
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85	9/32 ✓ Branch 0 taken 105330 times. ✓ Branch 1 taken 48 times. ✓ Branch 2 taken 105330 times. ✓ Branch 3 taken 105426 times. ✗ Branch 4 not taken. ✓ Branch 5 taken 105378 times. ✓ Branch 6 taken 2891162 times. ✓ Branch 7 taken 898 times. ✓ Branch 8 taken 2901811 times. ✓ Branch 9 taken 970 times. ✗ Branch 10 not taken. ✗ Branch 11 not taken. ✗ Branch 12 not taken. ✗ Branch 13 not taken. ✗ Branch 14 not taken. ✗ Branch 15 not taken. ✗ Branch 16 not taken. ✗ Branch 17 not taken. ✗ Branch 18 not taken. ✗ Branch 19 not taken. ✗ Branch 20 not taken. ✗ Branch 21 not taken. ✗ Branch 22 not taken. ✗ Branch 23 not taken. ✗ Branch 24 not taken. ✗ Branch 25 not taken. ✗ Branch 26 not taken. ✗ Branch 27 not taken. ✗ Branch 28 not taken. ✗ Branch 29 not taken. ✗ Branch 30 not taken. ✗ Branch 31 not taken.	6216353	const auto rhs_x = rhs_width > 1 ? x : 0;
86	2/14 ✗ Branch 0 not taken. ✓ Branch 1 taken 2892060 times. ✗ Branch 2 not taken. ✓ Branch 3 taken 2902781 times. ✗ Branch 4 not taken. ✗ Branch 5 not taken. ✗ Branch 6 not taken. ✗ Branch 7 not taken. ✗ Branch 8 not taken. ✗ Branch 9 not taken. ✗ Branch 10 not taken. ✗ Branch 11 not taken. ✗ Branch 12 not taken. ✗ Branch 13 not taken.	6216353	const auto rhs_value = read_array<T>(rhs, rhs_y * rhs_width + rhs_x);
87
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89	3/16 ✓ Branch 0 taken 2892060 times. ✗ Branch 1 not taken. ✓ Branch 2 taken 2892060 times. ✗ Branch 3 not taken. ✓ Branch 4 taken 2902781 times. ✗ Branch 5 not taken. ✗ Branch 6 not taken. ✗ Branch 7 not taken. ✗ Branch 8 not taken. ✗ Branch 9 not taken. ✗ Branch 10 not taken. ✗ Branch 11 not taken. ✗ Branch 12 not taken. ✗ Branch 13 not taken. ✗ Branch 14 not taken. ✗ Branch 15 not taken.	6216353	write_array<T>(dst.data(), y * width + x, dst_value);
90		6216353	}
91		181398	}
92
93		6086	return dst;
94		6086	}
95
96			template <const BinaryElementwiseOperator op>
97		2378	Buffer binary_elementwise_any_type(
98			const void* lhs, DataType lhs_dt, size_t lhs_height, size_t lhs_width, //
99			const void* rhs, DataType rhs_dt, size_t rhs_height, size_t rhs_width) {
100		−	KAI_ASSUME(lhs_dt == rhs_dt);
101		−	KAI_ASSUME(lhs_height == 1 \|\| rhs_height == 1 \|\| lhs_height == rhs_height);
102		−	KAI_ASSUME(lhs_width == 1 \|\| rhs_width == 1 \|\| lhs_width == rhs_width);
103
104	2/20 ✓ Branch 0 taken 1191 times. ✓ Branch 1 taken 1187 times. ✗ Branch 2 not taken. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✗ Branch 5 not taken. ✗ Branch 6 not taken. ✗ Branch 7 not taken. ✗ Branch 8 not taken. ✗ Branch 9 not taken. ✗ Branch 10 not taken. ✗ Branch 11 not taken. ✗ Branch 12 not taken. ✗ Branch 13 not taken. ✗ Branch 14 not taken. ✗ Branch 15 not taken. ✗ Branch 16 not taken. ✗ Branch 17 not taken. ✗ Branch 18 not taken. ✗ Branch 19 not taken.	2378	switch (lhs_dt) {
105			case DataType::FP32:
106		1191	return binary_elementwise_any_op_type<op, float>(lhs, rhs, lhs_height, lhs_width, rhs_height, rhs_width);
107
108			case DataType::FP16:
109		1187	return binary_elementwise_any_op_type<op, Float16>(lhs, rhs, lhs_height, lhs_width, rhs_height, rhs_width);
110
111			case DataType::I32:
112		✗	return binary_elementwise_any_op_type<op, int32_t>(lhs, rhs, lhs_height, lhs_width, rhs_height, rhs_width);
113
114			case DataType::QSU4:
115		✗	return binary_elementwise_any_op_type<op, UInt4>(lhs, rhs, lhs_height, lhs_width, rhs_height, rhs_width);
116
117			default:
118		−	KAI_ERROR("Unsupported data type!");
119		✗	}
120		2378	}
121
122			} // namespace
123
124		2378	Buffer add(
125			const void* lhs, DataType lhs_dt, size_t lhs_height, size_t lhs_width, //
126			const void* rhs, DataType rhs_dt, size_t rhs_height, size_t rhs_width) {
127		2378	return binary_elementwise_any_type<BinaryElementwiseOperator::ADD>(
128		2378	lhs, lhs_dt, lhs_height, lhs_width, rhs, rhs_dt, rhs_height, rhs_width);
129			}
130
131		✗	Buffer sub(
132			const void* lhs, DataType lhs_dt, size_t lhs_height, size_t lhs_width, //
133			const void* rhs, DataType rhs_dt, size_t rhs_height, size_t rhs_width) {
134		✗	return binary_elementwise_any_type<BinaryElementwiseOperator::SUB>(
135		✗	lhs, lhs_dt, lhs_height, lhs_width, rhs, rhs_dt, rhs_height, rhs_width);
136			}
137
138			template <typename T>
139		927	Buffer sub(
140			const void* lhs, size_t lhs_height, size_t lhs_width, //
141			const void* rhs, size_t rhs_height, size_t rhs_width) {
142		927	return binary_elementwise_any_op_type<BinaryElementwiseOperator::SUB, T>(
143		927	lhs, rhs, lhs_height, lhs_width, rhs_height, rhs_width);
144			}
145
146			template Buffer sub<int32_t>(
147			const void* lhs, size_t lhs_height, size_t lhs_width, //
148			const void* rhs, size_t rhs_height, size_t rhs_width);
149
150		✗	Buffer mul(
151			const void* lhs, DataType lhs_dt, size_t lhs_height, size_t lhs_width, //
152			const void* rhs, DataType rhs_dt, size_t rhs_height, size_t rhs_width) {
153		✗	return binary_elementwise_any_type<BinaryElementwiseOperator::MUL>(
154		✗	lhs, lhs_dt, lhs_height, lhs_width, rhs, rhs_dt, rhs_height, rhs_width);
155			}
156
157			template <typename T>
158		2781	Buffer mul(
159			const void* lhs, size_t lhs_height, size_t lhs_width, //
160			const void* rhs, size_t rhs_height, size_t rhs_width) {
161		2781	return binary_elementwise_any_op_type<BinaryElementwiseOperator::MUL, T>(
162		2781	lhs, rhs, lhs_height, lhs_width, rhs_height, rhs_width);
163			}
164
165			template Buffer mul<float>(
166			const void* lhs, size_t lhs_height, size_t lhs_width, //
167			const void* rhs, size_t rhs_height, size_t rhs_width);
168
169			template Buffer mul<int32_t>(
170			const void* lhs, size_t lhs_height, size_t lhs_width, //
171			const void* rhs, size_t rhs_height, size_t rhs_width);
172
173		✗	Buffer div(
174			const void* lhs, DataType lhs_dt, size_t lhs_height, size_t lhs_width, //
175			const void* rhs, DataType rhs_dt, size_t rhs_height, size_t rhs_width) {
176		✗	return binary_elementwise_any_type<BinaryElementwiseOperator::DIV>(
177		✗	lhs, lhs_dt, lhs_height, lhs_width, rhs, rhs_dt, rhs_height, rhs_width);
178			}
179
180			} // namespace kai::test
181