Georgios Pinitas | cfa2bba | 2019-06-27 17:00:52 +0100 | [diff] [blame] | 1 | /* |
Michael Tyler | 74921ee | 2023-04-12 17:43:17 +0100 | [diff] [blame] | 2 | * Copyright (c) 2017-2018, 2022-2023 Arm Limited. |
Georgios Pinitas | cfa2bba | 2019-06-27 17:00:52 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
Georgios Pinitas | 5aa1a0b | 2020-07-02 20:02:20 +0100 | [diff] [blame] | 24 | |
Georgios Pinitas | cfa2bba | 2019-06-27 17:00:52 +0100 | [diff] [blame] | 25 | #ifndef NO_MULTI_THREADING |
| 26 | #include <mutex> |
| 27 | #endif |
Francesco.Petrogalli@arm.com | 5fcf22d | 2022-04-05 10:31:08 +0000 | [diff] [blame] | 28 | #include <cstdint> |
| 29 | |
| 30 | #include "arm_gemm.hpp" |
| 31 | #include "kernel_weight_format.hpp" |
| 32 | #include "utils.hpp" |
Georgios Pinitas | cfa2bba | 2019-06-27 17:00:52 +0100 | [diff] [blame] | 33 | |
| 34 | namespace arm_gemm { |
| 35 | |
| 36 | #ifndef NO_MULTI_THREADING |
| 37 | std::mutex report_mutex; |
| 38 | #endif |
| 39 | |
Francesco.Petrogalli@arm.com | 5fcf22d | 2022-04-05 10:31:08 +0000 | [diff] [blame] | 40 | WeightFormat get_weight_format(const KernelWeightFormat kwf, size_t element_size) { |
| 41 | if (kwf==KernelWeightFormat::NON_FIXED) { |
| 42 | return WeightFormat::UNSPECIFIED; |
| 43 | } |
| 44 | |
| 45 | uint32_t kwf_i = static_cast<uint32_t>(kwf); |
| 46 | uint32_t wf_i = 0; |
| 47 | |
| 48 | const auto block_bytes = (kwf_i >> 8) & 0xf; |
| 49 | const auto vector_count = (kwf_i >> 12) & 0xf; |
| 50 | |
| 51 | uint32_t vector_bytes; |
| 52 | |
| 53 | // For fast mode BF16 kernels set the appropriate bit and override element size to 2. |
| 54 | if (kwf_i & 0x10) { |
| 55 | element_size = 2; |
| 56 | wf_i |= 0x10; |
| 57 | } |
| 58 | |
Michael Tyler | 74921ee | 2023-04-12 17:43:17 +0100 | [diff] [blame] | 59 | #ifdef ARM_COMPUTE_ENABLE_SVE |
Francesco.Petrogalli@arm.com | 5fcf22d | 2022-04-05 10:31:08 +0000 | [diff] [blame] | 60 | // Get total bytes in vector output |
| 61 | if (kwf_i & 0x1) { |
| 62 | vector_bytes = vector_count * get_vector_length<uint8_t>(); |
| 63 | } else { |
Michael Tyler | 74921ee | 2023-04-12 17:43:17 +0100 | [diff] [blame] | 64 | #else |
| 65 | if (1) { |
| 66 | #endif |
Francesco.Petrogalli@arm.com | 5fcf22d | 2022-04-05 10:31:08 +0000 | [diff] [blame] | 67 | vector_bytes = vector_count * 16; |
| 68 | } |
| 69 | |
| 70 | auto input_blocking = block_bytes / element_size; |
| 71 | auto output_blocking = vector_bytes / block_bytes; |
| 72 | |
| 73 | wf_i |= (input_blocking << 20); |
| 74 | wf_i |= (output_blocking << 8); |
| 75 | |
| 76 | return static_cast<WeightFormat>(wf_i); |
| 77 | } |
| 78 | |
| 79 | } // namespace arm_gemm |