| /* |
| * 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 |