1 /*
2  * Copyright (c) 2019-2020 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 #pragma once
25 
26 #ifdef __aarch64__
27 
28 #include <cstdint>
29 
30 namespace arm_gemm
31 {
32 
33 // Actual kernel implementations
34 void a64_smallK_hybrid_s8s32_dot_8x4(const int8_t *, int, const int8_t *, int32_t *, int, int, int, int, const int32_t *, Activation, bool);
35 void a64_smallK_hybrid_s8s32_dot_8x4_a55(const int8_t *, int, const int8_t *, int32_t *, int, int, int, int, const int32_t *, Activation, bool);
36 
37 class cls_a64_smallK_hybrid_s8s32_dot_8x4
38 {
39 public:
40     typedef int8_t operand_type;
41     typedef int32_t result_type;
42 
43     typedef void (*kern_type)(const int8_t *, int, const int8_t *, int32_t *, int, int, int, int, const int32_t *, Activation, bool);
44 
45     /* Kernel blocking parameters */
out_height()46     static constexpr unsigned int out_height()
47     {
48         return 8;
49     }
50 
out_width()51     static unsigned int out_width()
52     {
53         return 4;
54     }
55 
k_unroll()56     static constexpr unsigned int k_unroll()
57     {
58         return 4;
59     }
60 
supports_accumulate()61     static constexpr bool supports_accumulate()
62     {
63         return false;
64     }
65 
supports_bias()66     static constexpr bool supports_bias()
67     {
68         return false;
69     }
70 
supports_activation()71     static constexpr bool supports_activation()
72     {
73         return false;
74     }
75 
76     StdTransformsFixed<operand_type, result_type, 8, 4, 4> transforms = {};
77 
78     // Default to the generic kernel
79     kern_type kernel=a64_smallK_hybrid_s8s32_dot_8x4;
80 
cls_a64_smallK_hybrid_s8s32_dot_8x4(const CPUInfo * ci)81     cls_a64_smallK_hybrid_s8s32_dot_8x4(const CPUInfo *ci)
82     {
83         if (ci->get_cpu_model() == CPUModel::A55r1) {
84             kernel = a64_smallK_hybrid_s8s32_dot_8x4_a55;
85         }
86     }
87 };
88 
89 } // namespace arm_gemm
90 
91 #endif // __aarch64__
92