diff options
Diffstat (limited to 'src/cpu/kernels/activation/generic/sve2/qsymm16.cpp')
| -rw-r--r-- | src/cpu/kernels/activation/generic/sve2/qsymm16.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/cpu/kernels/activation/generic/sve2/qsymm16.cpp b/src/cpu/kernels/activation/generic/sve2/qsymm16.cpp new file mode 100644 index 0000000000..f955893307 --- /dev/null +++ b/src/cpu/kernels/activation/generic/sve2/qsymm16.cpp @@ -0,0 +1,128 @@ +/* + * Copyright (c) 2020-2023 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. + */ +#include "arm_compute/core/experimental/Types.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/ITensorPack.h" +#include "arm_compute/core/Window.h" +#include "arm_compute/function_info/ActivationLayerInfo.h" + +#include "src/core/NEON/SVEMath.h" +#include "src/core/NEON/SVESymm.h" + +#include <arm_sve.h> +#include <cmath> +#include <cstddef> + +namespace arm_compute +{ +namespace cpu +{ +void sve2_qsymm16_activation(const ITensor *src, + ITensor *dst, + const ActivationLayerInfo &act_info, + const Window &window) +{ + const auto window_start_x = static_cast<int>(window.x().start()); + const auto window_end_x = static_cast<int>(window.x().end()); + const ActivationLayerInfo::ActivationFunction act = act_info.activation(); + + Window win_collapsed = window.collapse_if_possible(window, Window::DimZ); + win_collapsed.set(Window::DimX, Window::Dimension(0, 1, 1)); + + Iterator input(src, win_collapsed); + Iterator output(dst, win_collapsed); + + const UniformQuantizationInfo qi_in = src->info()->quantization_info().uniform(); + const UniformQuantizationInfo qi_out = dst->info()->quantization_info().uniform(); + const auto vconst_1 = svdup_n_f32(1.f); + const auto va_f32 = svdup_n_f32(act_info.a()); + const auto vb_f32 = svdup_n_f32(act_info.b()); + + execute_window_loop( + win_collapsed, + [&](const Coordinates &) + { + const auto input_ptr = reinterpret_cast<const int16_t *>(input.ptr()); + const auto output_ptr = reinterpret_cast<int16_t *>(output.ptr()); + + svint16_t tmp; + + int x = window_start_x; + svbool_t pg = svwhilelt_b16(x, window_end_x); + do + { + const auto vin = svld1_s16(pg, input_ptr + x); + if (act == ActivationLayerInfo::ActivationFunction::LOGISTIC) + { + // De-quantize + auto vin_deq = svdequantize_qsymm16_z(pg, vin, qi_in.scale); + // Perform activation + const svfloat32x2_t tmp_dep = svcreate2_f32( + svdiv_f32_z( + pg, vconst_1, + svadd_f32_z(pg, vconst_1, svexp_f32_z(pg, svneg_f32_z(pg, svget2_f32(vin_deq, 0))))), + svdiv_f32_z( + pg, vconst_1, + svadd_f32_z(pg, vconst_1, svexp_f32_z(pg, svneg_f32_z(pg, svget2_f32(vin_deq, 1)))))); + // Re-quantize to new output space + tmp = svquantize_qsymm16_z(pg, tmp_dep, qi_out.scale); + } + else if (act == ActivationLayerInfo::ActivationFunction::TANH) + { + // De-quantize + auto vin_deq = svdequantize_qsymm16_z(pg, vin, qi_in.scale); + // Perform activation + const svfloat32x2_t tmp_dep = svcreate2_f32( + svmul_f32_z(pg, va_f32, svtanh_f32_z(pg, svmul_f32_z(pg, svget2_f32(vin_deq, 0), vb_f32))), + svmul_f32_z(pg, va_f32, svtanh_f32_z(pg, svmul_f32_z(pg, svget2_f32(vin_deq, 1), vb_f32)))); + // Re-quantize to new output space + tmp = svquantize_qsymm16_z(pg, tmp_dep, qi_out.scale); + } + else if (act == ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU) + { + // De-quantize + auto vin_deq = svdequantize_qsymm16_z(pg, vin, qi_in.scale); + // Perform activation + const svfloat32x2_t tmp_dep = + svcreate2_f32(svmin_f32_z(pg, va_f32, svmax_f32_z(pg, vb_f32, svget2_f32(vin_deq, 0))), + svmin_f32_z(pg, va_f32, svmax_f32_z(pg, vb_f32, svget2_f32(vin_deq, 1)))); + // Re-quantize to new output space + tmp = svquantize_qsymm16_z(pg, tmp_dep, qi_out.scale); + } + else + { + ARM_COMPUTE_ERROR("Unsupported activation function"); + } + + svst1_s16(pg, output_ptr + x, tmp); + + x += svcnth(); + pg = svwhilelt_b16(x, window_end_x); + + } while (svptest_any(svptrue_b16(), pg)); + }, + input, output); +} +} // namespace cpu +} // namespace arm_compute |