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1 /*
2  * Copyright (c) 2019-2021 Arm Limited.
3  *
4  * SPDX-License-Identifier: MIT
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in all
14  * copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
24 #ifndef ARM_COMPUTE_ICL_GEMM_KERNEL_CONFIG_H
25 #define ARM_COMPUTE_ICL_GEMM_KERNEL_CONFIG_H
26 
27 #include "arm_compute/core/GPUTarget.h"
28 #include "arm_compute/core/Types.h"
29 #include "src/core/common/Macros.h"
30 
31 #include <array>
32 namespace arm_compute
33 {
34 namespace opencl
35 {
36 namespace kernels
37 {
38 namespace gemm
39 {
40 /** Basic container for the OpenCL GEMM configuration functions */
41 template <class T>
42 class CLGEMMConfigArray
43 {
44 public:
45     /** Alias for F32 index */
46     static constexpr size_t DT_F32 = 0;
47     /** Alias for F16 index */
48     static constexpr size_t DT_F16 = 1;
49     /** Alias for Int8 index */
50     static constexpr size_t DT_INT8 = 2;
51 
52     /** Constructor
53      *
54      * @param[in] func_f32  Function to call for GEMM F32
55      * @param[in] func_f16  Function to call for GEMM F16
56      * @param[in] func_int8 Function to call for GEMM Int8 (QASYMM8, QASYMM8_SIGNED, QSYMM8_PER_CHANNEL)
57      *
58      */
CLGEMMConfigArray(T func_f32,T func_f16,T func_int8)59     CLGEMMConfigArray(T func_f32, T func_f16, T func_int8)
60         : _configs{ func_f32, func_f16, func_int8 }
61     {
62     }
63 
64     /** Method to return the GEMM configuration function based on data type
65      *
66      * @param[in] data_type Input data type
67      *
68      * @return the valid function otherwise it returns nullptr if the data type is not valid
69      */
get_function(DataType data_type)70     T get_function(DataType data_type)
71     {
72         switch(data_type)
73         {
74             case DataType::F32:
75                 return _configs.at(DT_F32);
76             case DataType::F16:
77                 return _configs.at(DT_F16);
78             case DataType::QASYMM8:
79             case DataType::QASYMM8_SIGNED:
80             case DataType::QSYMM8_PER_CHANNEL:
81                 return _configs.at(DT_INT8);
82             default:
83                 return nullptr;
84         }
85     }
86 
87 private:
88     std::array<T, 3> _configs;
89 };
90 
91 /** Basic interface for the GEMM kernel configuration */
92 class IClGemmKernelConfig
93 {
94 public:
95     /** Constructor
96      *
97      * @param[in] arch GPU target
98      */
IClGemmKernelConfig(GPUTarget arch)99     IClGemmKernelConfig(GPUTarget arch)
100         : _target(arch)
101     {
102     }
103     ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(IClGemmKernelConfig);
104     /** Virtual destructor */
105     virtual ~IClGemmKernelConfig() = default;
106     /** Given M, N, K and B, this method returns the @ref GEMMLHSMatrixInfo and @ref GEMMRHSMatrixInfo to be used
107      *
108      * @param[in] m         Number of rows LHS matrix
109      * @param[in] n         Number of columns RHS matrix
110      * @param[in] k         Number of columns LHS matrix or number of rows RHS matrix
111      * @param[in] b         Batch size
112      * @param[in] data_type Data type
113      */
114     virtual std::pair<GEMMLHSMatrixInfo, GEMMRHSMatrixInfo> configure(unsigned int m, unsigned int n, unsigned int k, unsigned int b, DataType data_type) = 0;
115 
116 protected:
117     GPUTarget _target;
118 };
119 } // namespace gemm
120 } // namespace kernels
121 } // namespace opencl
122 } // namespace arm_compute
123 #endif /* ARM_COMPUTE_ICL_GEMM_KERNEL_CONFIG_H */
124