/* * 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