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Diffstat (limited to 'src/core/NEON/kernels/arm_gemm/kernels/a64_hgemm_8x24.hpp')
-rw-r--r-- | src/core/NEON/kernels/arm_gemm/kernels/a64_hgemm_8x24.hpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_gemm/kernels/a64_hgemm_8x24.hpp b/src/core/NEON/kernels/arm_gemm/kernels/a64_hgemm_8x24.hpp new file mode 100644 index 0000000000..586d6a64a4 --- /dev/null +++ b/src/core/NEON/kernels/arm_gemm/kernels/a64_hgemm_8x24.hpp @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2017-2021 Arm Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#pragma once + +#if defined(__aarch64__) && (defined(FP16_KERNELS) || defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC)) + +#include "../performance_parameters.hpp" +#include "../std_transforms_fixed.hpp" + +namespace arm_gemm { + +// Actual kernel implementations +void a64_hgemm_asimd_8x24(const __fp16 *, const __fp16 *, __fp16 *, int, int, int); +void a64_hgemm_asimd_8x24_a55r1(const __fp16 *, const __fp16 *, __fp16 *, int, int, int); +void a64_hgemm_asimd_8x24_x1(const __fp16 *, const __fp16 *, __fp16 *, int, int, int); + +// 8x24 HGEMM "strategy" class. Describes the kernel properties. +// +// The generic "gemm_opt" function will instantiate one of these (allowing +// the constructor to pick a kernel implementation). +class cls_a64_hgemm_8x24 { +public: + typedef __fp16 operand_type; + typedef __fp16 result_type; + + typedef void (*kern_type)(const __fp16 *, const __fp16 *, __fp16 *, int, int, int); + + /* Kernel blocking parameters */ + static unsigned int out_width() { + return 24; + } + + static unsigned int out_height() { + return 8; + } + + static unsigned int k_unroll() { + return 1; + } + + // Use the standard fixed size transforms. + StdTransformsFixed<operand_type, result_type, 8, 24> transforms = {}; + + template<typename T> + static PerformanceParameters get_performance_parameters(const CPUInfo *ci) { + switch (ci->get_cpu_model()) { + case CPUModel::A55r1: + return { 7.16, 1.14, 0.67 }; + + default: + return { 12.67, 3.98, 1.16 }; + } + } + + // Default to the generic kernel + kern_type kernel = a64_hgemm_asimd_8x24; + + cls_a64_hgemm_8x24(const CPUInfo *ci) { + auto model = ci->get_cpu_model(); + + if (model == CPUModel::A55r1) { + kernel = a64_hgemm_asimd_8x24_a55r1; + } else if (model == CPUModel::X1) { + kernel = a64_hgemm_asimd_8x24_x1; + } + } +}; + +} // namespace arm_gemm + +#endif // __aarch64__ && (FP16_KERNELS || __ARM_FEATURE_FP16_VECTOR_ARITHMETIC) |