diff options
Diffstat (limited to 'src/core/cpu/kernels/softmax/impl/sve/impl.cpp')
-rw-r--r-- | src/core/cpu/kernels/softmax/impl/sve/impl.cpp | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/src/core/cpu/kernels/softmax/impl/sve/impl.cpp b/src/core/cpu/kernels/softmax/impl/sve/impl.cpp deleted file mode 100644 index 7a577fd565..0000000000 --- a/src/core/cpu/kernels/softmax/impl/sve/impl.cpp +++ /dev/null @@ -1,185 +0,0 @@ -/* - * Copyright (c) 2021 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. - */ -#if defined(ARM_COMPUTE_ENABLE_SVE) -#include "arm_compute/core/Helpers.h" -#include "arm_compute/core/ITensor.h" -#include "arm_compute/core/Types.h" -#include "arm_compute/core/utils/misc/Traits.h" -#include "arm_compute/core/utils/misc/Traits.h" -#include "src/core/NEON/SVEMath.h" -#include "src/core/NEON/wrapper/intrinsics/intrinsics.h" -#include <arm_sve.h> - -namespace arm_compute -{ -namespace cpu -{ -template <typename ScalarType> -void sve_logits_1d_max(const ITensor *in, ITensor *out, const Window &window) -{ - const auto all_true_pg = wrapper::svptrue<ScalarType>(); - const auto window_start_x = static_cast<int>(window.x().start()); - const auto window_end_x = static_cast<int>(window.x().end()); - - Window win{ window }; - win.set(Window::DimX, Window::Dimension(0, 1, 1)); - Iterator input(in, win); - Iterator output(out, win); - - execute_window_loop(win, [&](const Coordinates &) - { - // Get pointers - const auto in_ptr = reinterpret_cast<const ScalarType *>(input.ptr()); - const auto out_ptr = reinterpret_cast<ScalarType *>(output.ptr()); - - // Init max value - auto vec_max = wrapper::svdup_n(support::cpp11::lowest<ScalarType>()); - - int x = window_start_x; - svbool_t pg = wrapper::svwhilelt<ScalarType>(x, window_end_x); - do - { - const auto current_value = svld1(pg, in_ptr + x); - vec_max = svmax_m(pg, vec_max, current_value); - - x += wrapper::svcnt<ScalarType>(); - pg = wrapper::svwhilelt<ScalarType>(x, window_end_x); - } - while(svptest_any(all_true_pg, pg)); - - auto max_val = svmaxv(all_true_pg, vec_max); - - *out_ptr = max_val; - }, - input, output); -} - -template <typename ScalarType> -void sve_softmax_logits_1d_float(const ITensor *in, const ITensor *max, void *const tmp, - ITensor *out, const float beta, bool is_log, const Window &window) -{ - const int start_x = in->info()->valid_region().anchor.x(); - const int input_width = in->info()->valid_region().shape.x(); - - Iterator in_it(in, window); - Iterator max_it(max, window); - Iterator out_it(out, window); - - const auto all_true_pg = wrapper::svptrue<ScalarType>(); - - execute_window_loop(window, [&](const Coordinates &) - { - /* Get pointers */ - const auto in_ptr = reinterpret_cast<const ScalarType *>(in_it.ptr()) + start_x; - const auto out_ptr = reinterpret_cast<ScalarType *>(out_it.ptr()) + start_x; - const auto tmp_ptr = reinterpret_cast<ScalarType *>(tmp); - - ScalarType sum{ 0 }; - - /* Compute exponentials and sum */ - { - /* Get max value */ - const auto max_val = *reinterpret_cast<const ScalarType *>(max_it.ptr()); - const auto vec_max = wrapper::svdup_n(max_val); - - /* Init sum to zero */ - auto vec_sum = wrapper::svdup_n(static_cast<ScalarType>(0)); - - /* Loop over row and compute exponentials and sum */ - int x = 0; - svbool_t pg = wrapper::svwhilelt<ScalarType>(x, input_width); - do - { - auto vec_elements = svld1(pg, in_ptr + x); - vec_elements = svsub_z(pg, vec_elements, vec_max); - if(is_log) - { - vec_elements = svmul_z(pg, vec_elements, wrapper::svdup_n(static_cast<ScalarType>(beta))); - vec_sum = svadd_m(pg, vec_sum, wrapper::svexp_z(pg, vec_elements)); - } - else - { - vec_elements = wrapper::svexp_z(pg, svmul_z(pg, vec_elements, wrapper::svdup_n(static_cast<ScalarType>(beta)))); - vec_sum = svadd_m(pg, vec_sum, vec_elements); - } - svst1(pg, tmp_ptr + x, vec_elements); - - x += wrapper::svcnt<ScalarType>(); - pg = wrapper::svwhilelt<ScalarType>(x, input_width); - } - while(svptest_any(all_true_pg, pg)); - - /* Reduce sum */ - sum = svaddv(all_true_pg, vec_sum); - - if(is_log) - { - sum = static_cast<ScalarType>(std::log(sum)); - } - else - { - sum = ScalarType(1) / sum; - } - } - - /* Normalize exponentials */ - { - /* Loop over row and compute softmax */ - int x = 0; - svbool_t pg = wrapper::svwhilelt<ScalarType>(x, input_width); - do - { - auto vec_in = svld1(pg, tmp_ptr + x); - auto normalized_value = wrapper::svdup_n(static_cast<ScalarType>(0)); - if(is_log) - { - normalized_value = svsub_z(pg, vec_in, wrapper::svdup_n(static_cast<ScalarType>(sum))); - } - else - { - normalized_value = svmul_z(pg, vec_in, wrapper::svdup_n(static_cast<ScalarType>(sum))); - } - svst1(pg, out_ptr + x, normalized_value); - - x += wrapper::svcnt<ScalarType>(); - pg = wrapper::svwhilelt<ScalarType>(x, input_width); - } - while(svptest_any(all_true_pg, pg)); - } - }, - in_it, max_it, out_it); -} - -template void sve_logits_1d_max<float>(const ITensor *in, ITensor *out, const Window &window); -template void sve_logits_1d_max<float16_t>(const ITensor *in, ITensor *out, const Window &window); -template void sve_logits_1d_max<qasymm8_t>(const ITensor *in, ITensor *out, const Window &window); -template void sve_logits_1d_max<qasymm8_signed_t>(const ITensor *in, ITensor *out, const Window &window); - -template void sve_softmax_logits_1d_float<float>(const ITensor *in, const ITensor *max, void *const tmp, - ITensor *out, const float beta, bool is_log, const Window &window); -template void sve_softmax_logits_1d_float<float16_t>(const ITensor *in, const ITensor *max, void *const tmp, - ITensor *out, const float beta, bool is_log, const Window &window); -} // namespace cpu -} // namespace arm_compute -#endif /* defined(ARM_COMPUTE_ENABLE_SVE) */ |