1 /*
2  * Copyright (c) 2022 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
14  * all 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
21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22  * IN THE SOFTWARE.
23  */
24 #pragma once
25 #ifdef __aarch64__
26 
27 #include "../std_transforms_fixed.hpp"
28 #include "../bfloat.hpp"
29 #include "../kernel_weight_format.hpp"
30 #include "../performance_parameters.hpp"
31 
32 #define ARGLIST  \
33     const bfloat16 *, const bfloat16 *, size_t, \
34     float *, int, size_t, int
35 
36 namespace arm_gemm
37 {
38 // Actual kernel implementations
39 void a64_ffinterleaved_bf16fp32_dot_8x12( ARGLIST );
40 
41 class cls_a64_ffinterleaved_bf16fp32_dot_8x12
42 {
43 public:
44     typedef bfloat16 operand_type;
45     typedef float result_type;
46 
47     typedef void (*kern_type)( ARGLIST );
48 
49     /* Kernel blocking parameters */
out_height()50     static constexpr unsigned int out_height()
51     {
52         return 8;
53     }
54 
out_width()55     static unsigned int out_width()
56     {
57         return 12;
58     }
stripe_width()59     static unsigned int stripe_width()
60     {
61         return 4;
62     }
63 
kernel_weight_format()64     static KernelWeightFormat kernel_weight_format()
65     {
66         return KernelWeightFormat::VL128_BL32;
67     }
68 
k_unroll()69     static constexpr unsigned int k_unroll()
70     {
71         return 2;
72     }
73 
74 
75     StdTransformsFixed<operand_type, result_type, 8, 12, 2> transforms = {};
76     StdTransformsFixed<operand_type, result_type, 8, 12, 2, true> transforms_quantized = {};
77     template<typename T>
get_performance_parameters(const CPUInfo * ci)78     static inline PerformanceParameters get_performance_parameters(const CPUInfo *ci)
79     {
80 
81         if (std::is_same<T, bfloat16>::value) {
82             switch (ci->get_cpu_model()) {
83                 default:
84                     return { 22.16, 8.25, 3.26 };
85             }
86         }
87 
88         return { 1.0 };
89     }
90 
91     // Default to the generic kernel
92     kern_type kernel=a64_ffinterleaved_bf16fp32_dot_8x12;
cls_a64_ffinterleaved_bf16fp32_dot_8x12(const CPUInfo *)93     cls_a64_ffinterleaved_bf16fp32_dot_8x12(const CPUInfo *)
94     {
95     }
96 };
97 
98 } // namespace arm_gemm
99 
100 #undef ARGLIST
101 #endif // __aarch64__
102