diff options
Diffstat (limited to 'src/core/NEON/kernels/arm_gemm/kernel_weight_format.hpp')
-rw-r--r-- | src/core/NEON/kernels/arm_gemm/kernel_weight_format.hpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_gemm/kernel_weight_format.hpp b/src/core/NEON/kernels/arm_gemm/kernel_weight_format.hpp new file mode 100644 index 0000000000..6b89dd0d73 --- /dev/null +++ b/src/core/NEON/kernels/arm_gemm/kernel_weight_format.hpp @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2022 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 + +#include "arm_gemm.hpp" + +namespace arm_gemm { + +/* Internal enum to define the weight format a kernel is expecting. + * + * This is distinct from the "external" WeightFormat defined in arm_gemm.hpp primarily to allow for SVE, where + * internally kernels are defined in terms of multiples of the SVE vector length, but externally they are converted + * to a fixed format (based on the VL of the machine we are running on). + * + * Encoded as a bitfield: + * bit 0 : SVE flag + * bit 4 : BF16 convert flag (fast mode) + * bits 11-8 : block length (bytes) + * bits 15-12: vector count + */ +enum class KernelWeightFormat { + NON_FIXED = 0, + VL128_BL16 = 0x1200, + VL128_BL32 = 0x1400, + VL128_BL32_BF16 = 0x1410, + VL128_BL64 = 0x1800, + VL256_BL64 = 0x2800, + VL256_BL64_BF16 = 0x2810, + VL1VL_BL16 = 0x1201, + VL1VL_BL32 = 0x1401, + VL1VL_BL32_BF16 = 0x1411, + VL1VL_BL64 = 0x1801, + VL2VL_BL64 = 0x2801, + VL2VL_BL64_BF16 = 0x2811 +}; + +WeightFormat get_weight_format(const KernelWeightFormat, size_t); + +} // namespace arm_gemm |