diff options
Diffstat (limited to 'src/cpu/kernels/range/generic/neon/impl.h')
-rw-r--r-- | src/cpu/kernels/range/generic/neon/impl.h | 60 |
1 files changed, 52 insertions, 8 deletions
diff --git a/src/cpu/kernels/range/generic/neon/impl.h b/src/cpu/kernels/range/generic/neon/impl.h index 7ac2fc9c11..62144e6776 100644 --- a/src/cpu/kernels/range/generic/neon/impl.h +++ b/src/cpu/kernels/range/generic/neon/impl.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2021 Arm Limited. + * Copyright (c) 2021, 2023 Arm Limited. * * SPDX-License-Identifier: MIT * @@ -21,18 +21,62 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ -#ifndef SRC_CORE_NEON_KERNELS_RANGE_IMPL_H -#define SRC_CORE_NEON_KERNELS_RANGE_IMPL_H +#ifndef ACL_SRC_CPU_KERNELS_RANGE_GENERIC_NEON_IMPL_H +#define ACL_SRC_CPU_KERNELS_RANGE_GENERIC_NEON_IMPL_H + +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/TensorInfo.h" +#include "src/core/NEON/wrapper/wrapper.h" +#include "src/core/common/Registrars.h" namespace arm_compute { -class ITensor; -class Window; - namespace cpu { template <typename T> -void neon_range_function(ITensor *output, float start, float step, const Window &window); +void neon_range_function(ITensor *output, float start, float step, const Window &window) +{ + /** SIMD vector tag type. */ + using ExactTagType = typename wrapper::traits::neon_bitvector<T, wrapper::traits::BitWidth::W128>::tag_type; + + const auto step_vec = wrapper::vdup_n(static_cast<T>(step), ExactTagType{}); + const auto start_vec = wrapper::vdup_n(static_cast<T>(start), ExactTagType{}); + auto id_vec = wrapper::vdup_n(static_cast<T>(0.f), ExactTagType{}); + + const auto window_start_x = static_cast<int>(window.x().start()); + const auto window_end_x = static_cast<int>(window.x().end()); + const int window_step_x = 16 / sizeof(T); + + Window win{ window }; + win.set(Window::DimX, Window::Dimension(0, 1, 1)); + Iterator output_it(output, win); + + execute_window_loop(win, [&](const Coordinates &) + { + int x = window_start_x; + const auto out_ptr = reinterpret_cast<T *>(output_it.ptr()); + for(; x <= (window_end_x - window_step_x); x += window_step_x) + { + for(int count = 0; count < window_step_x; ++count) + { + id_vec = wrapper::vsetlane(static_cast<T>(x + count), id_vec, count); + } + + // start + step * id + const auto res_vec = wrapper::vmla(start_vec, id_vec, step_vec); + wrapper::vstore(out_ptr + x, res_vec); + } + + // Compute left-over elements + for(; x < window_end_x; ++x) + { + const auto res = start + x * step; + *(out_ptr + x) = res; + } + + }, + output_it); +} } // namespace cpu } // namespace arm_compute -#endif //SRC_CORE_NEON_KERNELS_RANGE_IMPL_H +#endif // ACL_SRC_CPU_KERNELS_RANGE_GENERIC_NEON_IMPL_H |