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Diffstat (limited to 'src/core/NEON/kernels/arm_gemm/kernels/a64_hgemm_24x8.hpp')
-rw-r--r-- | src/core/NEON/kernels/arm_gemm/kernels/a64_hgemm_24x8.hpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_gemm/kernels/a64_hgemm_24x8.hpp b/src/core/NEON/kernels/arm_gemm/kernels/a64_hgemm_24x8.hpp new file mode 100644 index 0000000000..77ec59aa35 --- /dev/null +++ b/src/core/NEON/kernels/arm_gemm/kernels/a64_hgemm_24x8.hpp @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2017-2018 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(__ARM_FEATURE_FP16_SCALAR_ARITHMETIC) + +#include "arm_gemm.hpp" + +namespace arm_gemm +{ +// Actual kernel implementations +void a64_hgemm_asimd_24x8(const __fp16 *, const __fp16 *, __fp16 *, int, int, int); +void a64_hgemm_asimd_24x8_a55r1(const __fp16 *, const __fp16 *, __fp16 *, int, int, int); + +// 24x8 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 hgemm_24x8 +{ +public: + typedef __fp16 operand_type; + typedef __fp16 result_type; + + typedef void (*kern_type)(const __fp16 *, const __fp16 *, __fp16 *, int, int, int); + + static const int A_block = 1; + static const int A_interleave = 8; + static const bool A_transpose = false; + + static const int B_block = 1; + static const int B_interleave = 24; + static const bool B_transpose = true; + + static const int out_width = 24; + static const int out_height = 8; + static const int k_unroll = 1; + + // Default to the generic kernel + kern_type kernel = a64_hgemm_asimd_24x8; + + hgemm_24x8(const CPUInfo *ci) + { + if(ci->get_cpu_model() == CPUModel::A55r1) + { + kernel = a64_hgemm_asimd_24x8_a55r1; + } + } +}; + +} // namespace arm_gemm + +#endif // __aarch64__ |