| /* |
| * Copyright (c) 2017-2018, 2022-2023 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. |
| */ |
| |
| #ifndef NO_MULTI_THREADING |
| #include <mutex> |
| #endif |
| #include <cstdint> |
| |
| #include "arm_gemm.hpp" |
| #include "kernel_weight_format.hpp" |
| #include "utils.hpp" |
| |
| namespace arm_gemm { |
| |
| #ifndef NO_MULTI_THREADING |
| std::mutex report_mutex; |
| #endif |
| |
| WeightFormat get_weight_format(const KernelWeightFormat kwf, size_t element_size) { |
| if (kwf==KernelWeightFormat::NON_FIXED) { |
| return WeightFormat::UNSPECIFIED; |
| } |
| |
| uint32_t kwf_i = static_cast<uint32_t>(kwf); |
| uint32_t wf_i = 0; |
| |
| const auto block_bytes = (kwf_i >> 8) & 0xf; |
| const auto vector_count = (kwf_i >> 12) & 0xf; |
| |
| uint32_t vector_bytes; |
| |
| // For fast mode BF16 kernels set the appropriate bit and override element size to 2. |
| if (kwf_i & 0x10) { |
| element_size = 2; |
| wf_i |= 0x10; |
| } |
| |
| #ifdef ARM_COMPUTE_ENABLE_SVE |
| // Get total bytes in vector output |
| if (kwf_i & 0x1) { |
| vector_bytes = vector_count * get_vector_length<uint8_t>(); |
| } else { |
| #else |
| if (1) { |
| #endif |
| vector_bytes = vector_count * 16; |
| } |
| |
| auto input_blocking = block_bytes / element_size; |
| auto output_blocking = vector_bytes / block_bytes; |
| |
| wf_i |= (input_blocking << 20); |
| wf_i |= (output_blocking << 8); |
| |
| return static_cast<WeightFormat>(wf_i); |
| } |
| |
| } // namespace arm_gemm |