Sheri Zhang | 8d5d78b | 2020-12-15 20:25:31 +0000 | [diff] [blame] | 1 | /* |
Matthew Bentham | f1aeab9 | 2023-05-30 13:35:34 +0000 | [diff] [blame^] | 2 | * Copyright (c) 2020-2021,2023 Arm Limited. |
Sheri Zhang | 8d5d78b | 2020-12-15 20:25:31 +0000 | [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 | */ |
Matthew Bentham | f1aeab9 | 2023-05-30 13:35:34 +0000 | [diff] [blame^] | 24 | #include "arm_compute/core/ActivationLayerInfo.h" |
Sheri Zhang | 8d5d78b | 2020-12-15 20:25:31 +0000 | [diff] [blame] | 25 | #include "arm_compute/core/Helpers.h" |
| 26 | #include "arm_compute/core/ITensorPack.h" |
| 27 | #include "arm_compute/core/Window.h" |
| 28 | #include "src/core/NEON/SVEMath.h" |
Sheri Zhang | 8d5d78b | 2020-12-15 20:25:31 +0000 | [diff] [blame] | 29 | |
| 30 | #include <cmath> |
| 31 | #include <cstddef> |
| 32 | |
Michalis Spyrou | 20fca52 | 2021-06-07 14:23:57 +0100 | [diff] [blame] | 33 | #if defined(ARM_COMPUTE_ENABLE_SVE) |
Sheri Zhang | 8d5d78b | 2020-12-15 20:25:31 +0000 | [diff] [blame] | 34 | #include <arm_sve.h> |
| 35 | |
| 36 | namespace arm_compute |
| 37 | { |
| 38 | namespace cpu |
| 39 | { |
| 40 | void fp32_sve_batch_normalization(ITensor *src, ITensor *dst, const ITensor *mean, const ITensor *var, const ITensor *beta, const ITensor *gamma, |
| 41 | float epsilon, ActivationLayerInfo &act_info, const Window &window) |
| 42 | { |
| 43 | const auto window_start_x = static_cast<int>(window.x().start()); |
| 44 | const auto window_end_x = static_cast<int>(window.x().end()); |
| 45 | |
| 46 | Window win_collapsed = window.collapse_if_possible(window, Window::DimZ); |
| 47 | win_collapsed.set(Window::DimX, Window::Dimension(0, 1, 1)); |
| 48 | |
| 49 | Iterator input(src, win_collapsed); |
| 50 | Iterator output(dst, win_collapsed); |
| 51 | |
| 52 | const auto input_mean = reinterpret_cast<const float *>(mean->ptr_to_element(Coordinates(0, 0))); |
| 53 | const auto input_var = reinterpret_cast<const float *>(var->ptr_to_element(Coordinates(0, 0))); |
| 54 | const auto input_gamma = (gamma != nullptr) ? reinterpret_cast<const float *>(gamma->ptr_to_element(Coordinates(0, 0))) : nullptr; |
| 55 | const auto input_beta = (beta != nullptr) ? reinterpret_cast<const float *>(beta->ptr_to_element(Coordinates(0, 0))) : nullptr; |
| 56 | |
| 57 | const auto epsilon_vec = svdup_n_f32(epsilon); |
| 58 | const auto const_1 = svdup_n_f32(1.f); |
| 59 | const auto const_0 = svdup_n_f32(0.f); |
| 60 | const auto va = svdup_n_f32(act_info.a()); |
| 61 | const auto vb = svdup_n_f32(act_info.b()); |
| 62 | execute_window_loop(win_collapsed, [&](const Coordinates &) |
| 63 | { |
| 64 | const auto input_ptr = reinterpret_cast<const float *>(input.ptr()); |
| 65 | const auto output_ptr = reinterpret_cast<float *>(output.ptr()); |
| 66 | |
| 67 | // Compute S elements per iteration |
| 68 | int x = window_start_x; |
| 69 | svbool_t pg = svwhilelt_b32(x, window_end_x); |
| 70 | do |
| 71 | { |
| 72 | // Conctruct vectors |
| 73 | const auto mean_vec = svld1_f32(pg, input_mean + x); |
| 74 | const auto var_vec = svld1_f32(pg, input_var + x); |
| 75 | const auto gamma_vec = (input_gamma != nullptr) ? svld1_f32(pg, input_gamma + x) : const_1; |
| 76 | const auto beta_vec = (input_beta != nullptr) ? svld1_f32(pg, input_beta + x) : const_0; |
| 77 | |
| 78 | // Calculate denominator |
| 79 | const auto tmp = svadd_f32_z(pg, var_vec, epsilon_vec); |
| 80 | auto denominator = svrsqrte_f32(tmp); |
| 81 | denominator = svmul_f32_z(pg, svrsqrts_f32(svmul_f32_z(pg, tmp, denominator), denominator), denominator); |
| 82 | denominator = svmul_f32_z(pg, svrsqrts_f32(svmul_f32_z(pg, tmp, denominator), denominator), denominator); |
| 83 | |
| 84 | // Calculate x bar |
| 85 | const auto numerator = svsub_f32_z(pg, svld1_f32(pg, input_ptr + x), mean_vec); |
| 86 | const auto x_bar = svmul_f32_z(pg, numerator, denominator); |
| 87 | auto res = svmla_f32_z(pg, beta_vec, x_bar, gamma_vec); |
| 88 | |
| 89 | // Perform fused activation |
| 90 | if(act_info.enabled()) |
| 91 | { |
| 92 | if(act_info.activation() == ActivationLayerInfo::ActivationFunction::RELU) |
| 93 | { |
| 94 | res = svmax_f32_z(pg, const_0, res); |
| 95 | } |
| 96 | else if(act_info.activation() == ActivationLayerInfo::ActivationFunction::BOUNDED_RELU) |
| 97 | { |
| 98 | res = svmin_f32_z(pg, va, svmax_f32_z(pg, const_0, res)); |
| 99 | } |
| 100 | else if(act_info.activation() == ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU) |
| 101 | { |
| 102 | res = svmin_f32_z(pg, va, svmax_f32_z(pg, vb, res)); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | // Store results |
| 107 | svst1_f32(pg, output_ptr + x, res); |
| 108 | |
| 109 | x += svcntw(); |
| 110 | pg = svwhilelt_b32(x, window_end_x); |
| 111 | } |
| 112 | while(svptest_any(svptrue_b32(), pg)); |
| 113 | }, |
| 114 | input, output); |
| 115 | } |
| 116 | } // namespace cpu |
| 117 | } // namespace arm_compute |
Georgios Pinitas | bdcdc39 | 2021-04-22 16:42:03 +0100 | [diff] [blame] | 118 | #endif // ENABLE_SVE |