diff options
author | Dana Zlotnik <dana.zlotnik@arm.com> | 2022-02-21 13:12:41 +0200 |
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committer | Dana Zlotnik <dana.zlotnik@arm.com> | 2022-03-01 11:19:23 +0000 |
commit | a538ae583c8816f69d05b98c62a9d3092f88f798 (patch) | |
tree | 33ffb4611e9d660223b50d805ac60babbaba4ebb /src/cpu/kernels/softmax | |
parent | ee9050089e391e598cd58e05bc7a07597a6d1db0 (diff) | |
download | ComputeLibrary-a538ae583c8816f69d05b98c62a9d3092f88f798.tar.gz |
Multi ISA Technical Debt
* Update json struct meet multi-ISA updates
* Add impl.cpp in kernels where we only have impl.h
Resolves COMPMID-5173
Change-Id: I5da3c4b016a5d0115c4ba46cbfefde7bce518ac1
Signed-off-by: Dana Zlotnik <dana.zlotnik@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/7191
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Diffstat (limited to 'src/cpu/kernels/softmax')
-rw-r--r-- | src/cpu/kernels/softmax/generic/neon/impl.cpp | 399 | ||||
-rw-r--r-- | src/cpu/kernels/softmax/generic/neon/impl.h | 349 | ||||
-rw-r--r-- | src/cpu/kernels/softmax/generic/sve2/impl.cpp | 211 | ||||
-rw-r--r-- | src/cpu/kernels/softmax/generic/sve2/impl.h | 176 |
4 files changed, 616 insertions, 519 deletions
diff --git a/src/cpu/kernels/softmax/generic/neon/impl.cpp b/src/cpu/kernels/softmax/generic/neon/impl.cpp new file mode 100644 index 0000000000..5654bb52ca --- /dev/null +++ b/src/cpu/kernels/softmax/generic/neon/impl.cpp @@ -0,0 +1,399 @@ +/* + * Copyright (c) 2021-2022 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 "src/cpu/kernels/softmax/generic/neon/impl.h" +#include "src/core/NEON/NEMath.h" +#include "src/core/NEON/wrapper/wrapper.h" +#include "support/SaturateCast.h" + +namespace arm_compute +{ +namespace cpu +{ +template <typename T> +void neon_logits_1d_max(const ITensor *in, ITensor *out, const Window &window) +{ + /** SIMD vector tag type. */ + using ExactTagType = typename wrapper::traits::neon_bitvector_tag_t<T, wrapper::traits::BitWidth::W128>; + + constexpr int window_step_x = 16 / sizeof(T); + 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); + + const int sum_stages = log2(window_step_x / 2); + execute_window_loop(win, [&](const Coordinates &) + { + // Get pointers + const auto in_ptr = reinterpret_cast<const T *>(input.ptr()); + const auto out_ptr = reinterpret_cast<T *>(output.ptr()); + + // Init max value + auto vec_max = wrapper::vdup_n(support::cpp11::lowest<T>(), ExactTagType{}); + int x = window_start_x; + + for(; x <= (window_end_x - window_step_x); x += window_step_x) + { + const auto current_value = wrapper::vloadq(in_ptr + x); + vec_max = wrapper::vmax(vec_max, current_value); + } + auto carry_max = wrapper::vpmax(wrapper::vgethigh(vec_max), wrapper::vgetlow(vec_max)); + + for(int i = 0; i < sum_stages; ++i) + { + carry_max = wrapper::vpmax(carry_max, carry_max); + } + T max_val = wrapper::vgetlane(carry_max, 0); + + // Compute left-over elements + for(; x < window_end_x; ++x) + { + max_val = *(in_ptr + x) > max_val ? *(in_ptr + x) : max_val; + } + + *out_ptr = max_val; + }, + input, output); +} + +#if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) +template void neon_logits_1d_max<float16_t>(const ITensor *in, ITensor *out, const Window &window); +#endif //defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) +template void neon_logits_1d_max<float>(const ITensor *in, ITensor *out, const Window &window); +template void neon_logits_1d_max<qasymm8_signed_t>(const ITensor *in, ITensor *out, const Window &window); +template void neon_logits_1d_max<qasymm8_t>(const ITensor *in, ITensor *out, const Window &window); + +template <typename T> +void neon_softmax_logits_1d_quantized(const ITensor *in, const ITensor *max, void *const tmp, + ITensor *out, float beta, bool is_log, const Window &window) +{ + static_assert(std::is_same<T, qasymm8_t>::value + || std::is_same<T, qasymm8_signed_t>::value, + "quantized type should be either qasymm8_t or qasymm8_signed_t."); + + const int start_x = in->info()->valid_region().anchor.x(); + const int input_width = in->info()->valid_region().shape.x(); + + const float scale_beta = -beta * in->info()->quantization_info().uniform().scale; + const auto scale_beta_vec = vdupq_n_f32(scale_beta); + + Iterator in_it(in, window); + Iterator max_it(max, window); + Iterator out_it(out, window); + constexpr int vec_size = 16; + + execute_window_loop(window, [&](const Coordinates &) + { + /* Get pointers */ + const auto in_ptr = reinterpret_cast<const T *>(in_it.ptr()) + start_x; + const auto out_ptr = reinterpret_cast<T *>(out_it.ptr()) + start_x; + const auto tmp_ptr = reinterpret_cast<float *>(tmp); + + float sum{}; + float sum_inversed{}; + + /* Compute exponentials and sum */ + { + /* Get max value */ + const auto max_val = *reinterpret_cast<const T *>(max_it.ptr()); + const auto vec_max = wrapper::vdup_n(max_val, wrapper::traits::vector_128_tag{}); + + /* Init sum to zero */ + float32x4x4_t vec_sum = + { + vdupq_n_f32(0.f), + vdupq_n_f32(0.f), + vdupq_n_f32(0.f), + vdupq_n_f32(0.f), + }; + + /* Loop over row and compute exponentials and sum */ + int x = 0; + for(; x <= (input_width - vec_size); x += vec_size) + { + auto vec_elements = wrapper::vloadq(in_ptr + x); + vec_elements = wrapper::vqsub(vec_max, vec_elements); + auto vec_elements_flt = convert_int_to_float<float32x4x4_t>(vec_elements); + + if(is_log) + { + vec_elements_flt.val[0] = vmulq_f32(vec_elements_flt.val[0], scale_beta_vec); + vec_elements_flt.val[1] = vmulq_f32(vec_elements_flt.val[1], scale_beta_vec); + vec_elements_flt.val[2] = vmulq_f32(vec_elements_flt.val[2], scale_beta_vec); + vec_elements_flt.val[3] = vmulq_f32(vec_elements_flt.val[3], scale_beta_vec); + vec_sum.val[0] = vaddq_f32(vec_sum.val[0], vexpq_f32(vec_elements_flt.val[0])); + vec_sum.val[1] = vaddq_f32(vec_sum.val[1], vexpq_f32(vec_elements_flt.val[1])); + vec_sum.val[2] = vaddq_f32(vec_sum.val[2], vexpq_f32(vec_elements_flt.val[2])); + vec_sum.val[3] = vaddq_f32(vec_sum.val[3], vexpq_f32(vec_elements_flt.val[3])); + } + else + { + vec_elements_flt.val[0] = vexpq_f32(vmulq_f32(vec_elements_flt.val[0], scale_beta_vec)); + vec_elements_flt.val[1] = vexpq_f32(vmulq_f32(vec_elements_flt.val[1], scale_beta_vec)); + vec_elements_flt.val[2] = vexpq_f32(vmulq_f32(vec_elements_flt.val[2], scale_beta_vec)); + vec_elements_flt.val[3] = vexpq_f32(vmulq_f32(vec_elements_flt.val[3], scale_beta_vec)); + vec_sum.val[0] = vaddq_f32(vec_sum.val[0], vec_elements_flt.val[0]); + vec_sum.val[1] = vaddq_f32(vec_sum.val[1], vec_elements_flt.val[1]); + vec_sum.val[2] = vaddq_f32(vec_sum.val[2], vec_elements_flt.val[2]); + vec_sum.val[3] = vaddq_f32(vec_sum.val[3], vec_elements_flt.val[3]); + } + + vst4q_f32(tmp_ptr + x, vec_elements_flt); + } + + /* Reduce sum */ + const auto sum_16_byte = vaddq_f32(vaddq_f32(vec_sum.val[0], vec_sum.val[1]), vaddq_f32(vec_sum.val[2], vec_sum.val[3])); + auto sum_res = vpadd_f32(vget_high_f32(sum_16_byte), vget_low_f32(sum_16_byte)); + sum_res = vpadd_f32(sum_res, sum_res); + sum = wrapper::vgetlane(sum_res, 0); + + /* Run remaining elements */ + for(; x < input_width; ++x) + { + float element{}; + if(is_log) + { + element = (max_val - in_ptr[x]) * scale_beta; + sum += std::exp(element); + } + else + { + element = std::exp((max_val - in_ptr[x]) * scale_beta); + sum += element; + } + + tmp_ptr[x] = element; + } + + if(!is_log) + { + sum_inversed = 256.f / sum; + } + else + { + sum = std::log(sum); + } + } + + /* Normalize exponentials */ + { + constexpr bool is_qasymm8_signed = std::is_same<T, qasymm8_signed_t>::value; + /* Loop over row and compute softmax */ + int x = 0; + for(; x <= (input_width - vec_size); x += vec_size) + { + using int_vec_type = wrapper::traits::neon_vector_t<T, 16>; + float32x4x4_t vec_in = vld4q_f32(tmp_ptr + x); + int_vec_type normalized_value{}; + if(is_log) + { + const float32x4x4_t sub = + { + vsubq_f32(vec_in.val[0], vdupq_n_f32(sum)), + vsubq_f32(vec_in.val[1], vdupq_n_f32(sum)), + vsubq_f32(vec_in.val[2], vdupq_n_f32(sum)), + vsubq_f32(vec_in.val[3], vdupq_n_f32(sum)), + }; + normalized_value = convert_float_to_int<float32x4x4_t, int_vec_type>(sub); + } + else + { + float32x4x4_t mul = + { + vmulq_f32(vec_in.val[0], vdupq_n_f32(sum_inversed)), + vmulq_f32(vec_in.val[1], vdupq_n_f32(sum_inversed)), + vmulq_f32(vec_in.val[2], vdupq_n_f32(sum_inversed)), + vmulq_f32(vec_in.val[3], vdupq_n_f32(sum_inversed)), + }; + + if(is_qasymm8_signed) + { + const auto offset_vec = wrapper::vdup_n(128.f, wrapper::traits::vector_128_tag{}); + mul.val[0] = wrapper::vsub(mul.val[0], offset_vec); + mul.val[1] = wrapper::vsub(mul.val[1], offset_vec); + mul.val[2] = wrapper::vsub(mul.val[2], offset_vec); + mul.val[3] = wrapper::vsub(mul.val[3], offset_vec); + } + + normalized_value = convert_float_to_int<float32x4x4_t, int_vec_type>(mul); + } + wrapper::vstore(out_ptr + x, normalized_value); + } + /* Run remaining elements */ + for(; x < input_width; ++x) + { + if(is_log) + { + out_ptr[x] = utils::cast::saturate_cast<T>(tmp_ptr[x] - sum); + } + else + { + out_ptr[x] = utils::cast::saturate_cast<T>((tmp_ptr[x] * sum_inversed) - (is_qasymm8_signed ? 128.f : 0)); + } + } + } + }, + in_it, max_it, out_it); +} + +template void neon_softmax_logits_1d_quantized<qasymm8_signed_t>(const ITensor *in, const ITensor *max, void *const tmp, + ITensor *out, float beta, bool is_log, const Window &window); +template void neon_softmax_logits_1d_quantized<qasymm8_t>(const ITensor *in, const ITensor *max, void *const tmp, + ITensor *out, float beta, bool is_log, const Window &window); +template <typename T> +void neon_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); + + /** SIMD vector tag type. */ + using ExactTagType = typename wrapper::traits::neon_bitvector_tag_t<T, wrapper::traits::BitWidth::W128>; + + constexpr int vec_size = 16 / sizeof(T); + const int sum_stages = log2(vec_size / 2); + + execute_window_loop(window, [&](const Coordinates &) + { + /* Get pointers */ + const auto in_ptr = reinterpret_cast<const T *>(in_it.ptr()) + start_x; + const auto out_ptr = reinterpret_cast<T *>(out_it.ptr()) + start_x; + const auto tmp_ptr = reinterpret_cast<T *>(tmp); + + T sum{}; + T sum_inversed{}; + + /* Compute exponentials and sum */ + { + /* Get max value */ + const auto max_val = *reinterpret_cast<const T *>(max_it.ptr()); + const auto vec_max = wrapper::vdup_n(max_val, ExactTagType{}); + + /* Init sum to zero */ + auto vec_sum = wrapper::vdup_n(static_cast<T>(0), ExactTagType{}); + + /* Loop over row and compute exponentials and sum */ + int x = 0; + for(; x <= (input_width - vec_size); x += vec_size) + { + auto vec_elements = wrapper::vloadq(in_ptr + x); + vec_elements = wrapper::vsub(vec_elements, vec_max); + if(is_log) + { + vec_elements = wrapper::vmul(vec_elements, wrapper::vdup_n(static_cast<T>(beta), ExactTagType{})); + vec_sum = wrapper::vadd(vec_sum, wrapper::vexpq(vec_elements)); + } + else + { + vec_elements = wrapper::vexpq(wrapper::vmul(vec_elements, wrapper::vdup_n(static_cast<T>(beta), ExactTagType{}))); + vec_sum = wrapper::vadd(vec_sum, vec_elements); + } + wrapper::vstore(tmp_ptr + x, vec_elements); + } + + /* Reduce sum */ + auto sum_res = wrapper::vpadd(wrapper::vgethigh(vec_sum), wrapper::vgetlow(vec_sum)); + for(int i = 0; i < sum_stages; ++i) + { + sum_res = wrapper::vpadd(sum_res, sum_res); + } + sum = wrapper::vgetlane(sum_res, 0); + + /* Run remaining elements */ + for(; x < input_width; ++x) + { + T element{}; + + if(is_log) + { + element = (in_ptr[x] - max_val) * beta; + sum += std::exp(element); + } + else + { + element = std::exp((in_ptr[x] - max_val) * beta); + sum += element; + } + tmp_ptr[x] = element; + } + + if(!is_log) + { + sum_inversed = T(1) / sum; + } + else + { + sum = static_cast<T>(std::log(sum)); + } + } + + /* Normalize exponentials */ + { + /* Loop over row and compute softmax */ + int x = 0; + for(; x <= (input_width - vec_size); x += vec_size) + { + auto vec_in = wrapper::vloadq(tmp_ptr + x); + auto normalized_value = wrapper::vdup_n(static_cast<T>(0), ExactTagType{}); + if(is_log) + { + normalized_value = wrapper::vsub(vec_in, wrapper::vdup_n(static_cast<T>(sum), ExactTagType{})); + } + else + { + normalized_value = wrapper::vmul(vec_in, wrapper::vdup_n(static_cast<T>(sum_inversed), ExactTagType{})); + } + wrapper::vstore(out_ptr + x, normalized_value); + } + /* Run remaining elements */ + for(; x < input_width; ++x) + { + if(is_log) + { + out_ptr[x] = tmp_ptr[x] - sum; + } + else + { + out_ptr[x] = tmp_ptr[x] * sum_inversed; + } + } + } + }, + in_it, max_it, out_it); +} +#if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) +template void neon_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); +#endif //defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) +template void neon_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); +} // namespace cpu +} // namespace arm_compute diff --git a/src/cpu/kernels/softmax/generic/neon/impl.h b/src/cpu/kernels/softmax/generic/neon/impl.h index 325e127f3b..6ca659919a 100644 --- a/src/cpu/kernels/softmax/generic/neon/impl.h +++ b/src/cpu/kernels/softmax/generic/neon/impl.h @@ -24,363 +24,22 @@ #ifndef SRC_CORE_NEON_KERNELS_SOFTMAX_IMPL_H #define SRC_CORE_NEON_KERNELS_SOFTMAX_IMPL_H -#include "src/core/NEON/NEMath.h" -#include "src/core/NEON/wrapper/wrapper.h" -#include "support/SaturateCast.h" +#include "arm_compute/core/Helpers.h" namespace arm_compute { namespace cpu { template <typename T> -void neon_logits_1d_max(const ITensor *in, ITensor *out, const Window &window) -{ - /** SIMD vector tag type. */ - using ExactTagType = typename wrapper::traits::neon_bitvector_tag_t<T, wrapper::traits::BitWidth::W128>; - - constexpr int window_step_x = 16 / sizeof(T); - 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); - - const int sum_stages = log2(window_step_x / 2); - execute_window_loop(win, [&](const Coordinates &) - { - // Get pointers - const auto in_ptr = reinterpret_cast<const T *>(input.ptr()); - const auto out_ptr = reinterpret_cast<T *>(output.ptr()); - - // Init max value - auto vec_max = wrapper::vdup_n(support::cpp11::lowest<T>(), ExactTagType{}); - int x = window_start_x; - - for(; x <= (window_end_x - window_step_x); x += window_step_x) - { - const auto current_value = wrapper::vloadq(in_ptr + x); - vec_max = wrapper::vmax(vec_max, current_value); - } - auto carry_max = wrapper::vpmax(wrapper::vgethigh(vec_max), wrapper::vgetlow(vec_max)); - - for(int i = 0; i < sum_stages; ++i) - { - carry_max = wrapper::vpmax(carry_max, carry_max); - } - T max_val = wrapper::vgetlane(carry_max, 0); - - // Compute left-over elements - for(; x < window_end_x; ++x) - { - max_val = *(in_ptr + x) > max_val ? *(in_ptr + x) : max_val; - } - - *out_ptr = max_val; - }, - input, output); -} +void neon_logits_1d_max(const ITensor *in, ITensor *out, const Window &window); template <typename T> void neon_softmax_logits_1d_quantized(const ITensor *in, const ITensor *max, void *const tmp, - ITensor *out, float beta, bool is_log, const Window &window) -{ - static_assert(std::is_same<T, qasymm8_t>::value - || std::is_same<T, qasymm8_signed_t>::value, - "quantized type should be either qasymm8_t or qasymm8_signed_t."); - - const int start_x = in->info()->valid_region().anchor.x(); - const int input_width = in->info()->valid_region().shape.x(); - - const float scale_beta = -beta * in->info()->quantization_info().uniform().scale; - const auto scale_beta_vec = vdupq_n_f32(scale_beta); - - Iterator in_it(in, window); - Iterator max_it(max, window); - Iterator out_it(out, window); - constexpr int vec_size = 16; - - execute_window_loop(window, [&](const Coordinates &) - { - /* Get pointers */ - const auto in_ptr = reinterpret_cast<const T *>(in_it.ptr()) + start_x; - const auto out_ptr = reinterpret_cast<T *>(out_it.ptr()) + start_x; - const auto tmp_ptr = reinterpret_cast<float *>(tmp); - - float sum{}; - float sum_inversed{}; - - /* Compute exponentials and sum */ - { - /* Get max value */ - const auto max_val = *reinterpret_cast<const T *>(max_it.ptr()); - const auto vec_max = wrapper::vdup_n(max_val, wrapper::traits::vector_128_tag{}); - - /* Init sum to zero */ - float32x4x4_t vec_sum = - { - vdupq_n_f32(0.f), - vdupq_n_f32(0.f), - vdupq_n_f32(0.f), - vdupq_n_f32(0.f), - }; - - /* Loop over row and compute exponentials and sum */ - int x = 0; - for(; x <= (input_width - vec_size); x += vec_size) - { - auto vec_elements = wrapper::vloadq(in_ptr + x); - vec_elements = wrapper::vqsub(vec_max, vec_elements); - auto vec_elements_flt = convert_int_to_float<float32x4x4_t>(vec_elements); - - if(is_log) - { - vec_elements_flt.val[0] = vmulq_f32(vec_elements_flt.val[0], scale_beta_vec); - vec_elements_flt.val[1] = vmulq_f32(vec_elements_flt.val[1], scale_beta_vec); - vec_elements_flt.val[2] = vmulq_f32(vec_elements_flt.val[2], scale_beta_vec); - vec_elements_flt.val[3] = vmulq_f32(vec_elements_flt.val[3], scale_beta_vec); - vec_sum.val[0] = vaddq_f32(vec_sum.val[0], vexpq_f32(vec_elements_flt.val[0])); - vec_sum.val[1] = vaddq_f32(vec_sum.val[1], vexpq_f32(vec_elements_flt.val[1])); - vec_sum.val[2] = vaddq_f32(vec_sum.val[2], vexpq_f32(vec_elements_flt.val[2])); - vec_sum.val[3] = vaddq_f32(vec_sum.val[3], vexpq_f32(vec_elements_flt.val[3])); - } - else - { - vec_elements_flt.val[0] = vexpq_f32(vmulq_f32(vec_elements_flt.val[0], scale_beta_vec)); - vec_elements_flt.val[1] = vexpq_f32(vmulq_f32(vec_elements_flt.val[1], scale_beta_vec)); - vec_elements_flt.val[2] = vexpq_f32(vmulq_f32(vec_elements_flt.val[2], scale_beta_vec)); - vec_elements_flt.val[3] = vexpq_f32(vmulq_f32(vec_elements_flt.val[3], scale_beta_vec)); - vec_sum.val[0] = vaddq_f32(vec_sum.val[0], vec_elements_flt.val[0]); - vec_sum.val[1] = vaddq_f32(vec_sum.val[1], vec_elements_flt.val[1]); - vec_sum.val[2] = vaddq_f32(vec_sum.val[2], vec_elements_flt.val[2]); - vec_sum.val[3] = vaddq_f32(vec_sum.val[3], vec_elements_flt.val[3]); - } - - vst4q_f32(tmp_ptr + x, vec_elements_flt); - } - - /* Reduce sum */ - const auto sum_16_byte = vaddq_f32(vaddq_f32(vec_sum.val[0], vec_sum.val[1]), vaddq_f32(vec_sum.val[2], vec_sum.val[3])); - auto sum_res = vpadd_f32(vget_high_f32(sum_16_byte), vget_low_f32(sum_16_byte)); - sum_res = vpadd_f32(sum_res, sum_res); - sum = wrapper::vgetlane(sum_res, 0); - - /* Run remaining elements */ - for(; x < input_width; ++x) - { - float element{}; - if(is_log) - { - element = (max_val - in_ptr[x]) * scale_beta; - sum += std::exp(element); - } - else - { - element = std::exp((max_val - in_ptr[x]) * scale_beta); - sum += element; - } - - tmp_ptr[x] = element; - } - - if(!is_log) - { - sum_inversed = 256.f / sum; - } - else - { - sum = std::log(sum); - } - } - - /* Normalize exponentials */ - { - constexpr bool is_qasymm8_signed = std::is_same<T, qasymm8_signed_t>::value; - /* Loop over row and compute softmax */ - int x = 0; - for(; x <= (input_width - vec_size); x += vec_size) - { - using int_vec_type = wrapper::traits::neon_vector_t<T, 16>; - float32x4x4_t vec_in = vld4q_f32(tmp_ptr + x); - int_vec_type normalized_value{}; - if(is_log) - { - const float32x4x4_t sub = - { - vsubq_f32(vec_in.val[0], vdupq_n_f32(sum)), - vsubq_f32(vec_in.val[1], vdupq_n_f32(sum)), - vsubq_f32(vec_in.val[2], vdupq_n_f32(sum)), - vsubq_f32(vec_in.val[3], vdupq_n_f32(sum)), - }; - normalized_value = convert_float_to_int<float32x4x4_t, int_vec_type>(sub); - } - else - { - float32x4x4_t mul = - { - vmulq_f32(vec_in.val[0], vdupq_n_f32(sum_inversed)), - vmulq_f32(vec_in.val[1], vdupq_n_f32(sum_inversed)), - vmulq_f32(vec_in.val[2], vdupq_n_f32(sum_inversed)), - vmulq_f32(vec_in.val[3], vdupq_n_f32(sum_inversed)), - }; - - if(is_qasymm8_signed) - { - const auto offset_vec = wrapper::vdup_n(128.f, wrapper::traits::vector_128_tag{}); - mul.val[0] = wrapper::vsub(mul.val[0], offset_vec); - mul.val[1] = wrapper::vsub(mul.val[1], offset_vec); - mul.val[2] = wrapper::vsub(mul.val[2], offset_vec); - mul.val[3] = wrapper::vsub(mul.val[3], offset_vec); - } - - normalized_value = convert_float_to_int<float32x4x4_t, int_vec_type>(mul); - } - wrapper::vstore(out_ptr + x, normalized_value); - } - /* Run remaining elements */ - for(; x < input_width; ++x) - { - if(is_log) - { - out_ptr[x] = utils::cast::saturate_cast<T>(tmp_ptr[x] - sum); - } - else - { - out_ptr[x] = utils::cast::saturate_cast<T>((tmp_ptr[x] * sum_inversed) - (is_qasymm8_signed ? 128.f : 0)); - } - } - } - }, - in_it, max_it, out_it); -} + ITensor *out, float beta, bool is_log, const Window &window); template <typename T> void neon_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); - - /** SIMD vector tag type. */ - using ExactTagType = typename wrapper::traits::neon_bitvector_tag_t<T, wrapper::traits::BitWidth::W128>; - - constexpr int vec_size = 16 / sizeof(T); - const int sum_stages = log2(vec_size / 2); - - execute_window_loop(window, [&](const Coordinates &) - { - /* Get pointers */ - const auto in_ptr = reinterpret_cast<const T *>(in_it.ptr()) + start_x; - const auto out_ptr = reinterpret_cast<T *>(out_it.ptr()) + start_x; - const auto tmp_ptr = reinterpret_cast<T *>(tmp); - - T sum{}; - T sum_inversed{}; - - /* Compute exponentials and sum */ - { - /* Get max value */ - const auto max_val = *reinterpret_cast<const T *>(max_it.ptr()); - const auto vec_max = wrapper::vdup_n(max_val, ExactTagType{}); - - /* Init sum to zero */ - auto vec_sum = wrapper::vdup_n(static_cast<T>(0), ExactTagType{}); - - /* Loop over row and compute exponentials and sum */ - int x = 0; - for(; x <= (input_width - vec_size); x += vec_size) - { - auto vec_elements = wrapper::vloadq(in_ptr + x); - vec_elements = wrapper::vsub(vec_elements, vec_max); - if(is_log) - { - vec_elements = wrapper::vmul(vec_elements, wrapper::vdup_n(static_cast<T>(beta), ExactTagType{})); - vec_sum = wrapper::vadd(vec_sum, wrapper::vexpq(vec_elements)); - } - else - { - vec_elements = wrapper::vexpq(wrapper::vmul(vec_elements, wrapper::vdup_n(static_cast<T>(beta), ExactTagType{}))); - vec_sum = wrapper::vadd(vec_sum, vec_elements); - } - wrapper::vstore(tmp_ptr + x, vec_elements); - } - - /* Reduce sum */ - auto sum_res = wrapper::vpadd(wrapper::vgethigh(vec_sum), wrapper::vgetlow(vec_sum)); - for(int i = 0; i < sum_stages; ++i) - { - sum_res = wrapper::vpadd(sum_res, sum_res); - } - sum = wrapper::vgetlane(sum_res, 0); - - /* Run remaining elements */ - for(; x < input_width; ++x) - { - T element{}; - - if(is_log) - { - element = (in_ptr[x] - max_val) * beta; - sum += std::exp(element); - } - else - { - element = std::exp((in_ptr[x] - max_val) * beta); - sum += element; - } - tmp_ptr[x] = element; - } - - if(!is_log) - { - sum_inversed = T(1) / sum; - } - else - { - sum = static_cast<T>(std::log(sum)); - } - } - - /* Normalize exponentials */ - { - /* Loop over row and compute softmax */ - int x = 0; - for(; x <= (input_width - vec_size); x += vec_size) - { - auto vec_in = wrapper::vloadq(tmp_ptr + x); - auto normalized_value = wrapper::vdup_n(static_cast<T>(0), ExactTagType{}); - if(is_log) - { - normalized_value = wrapper::vsub(vec_in, wrapper::vdup_n(static_cast<T>(sum), ExactTagType{})); - } - else - { - normalized_value = wrapper::vmul(vec_in, wrapper::vdup_n(static_cast<T>(sum_inversed), ExactTagType{})); - } - wrapper::vstore(out_ptr + x, normalized_value); - } - /* Run remaining elements */ - for(; x < input_width; ++x) - { - if(is_log) - { - out_ptr[x] = tmp_ptr[x] - sum; - } - else - { - out_ptr[x] = tmp_ptr[x] * sum_inversed; - } - } - } - }, - in_it, max_it, out_it); -} - + ITensor *out, const float beta, bool is_log, const Window &window); } // namespace cpu } // namespace arm_compute diff --git a/src/cpu/kernels/softmax/generic/sve2/impl.cpp b/src/cpu/kernels/softmax/generic/sve2/impl.cpp new file mode 100644 index 0000000000..9cdfe61446 --- /dev/null +++ b/src/cpu/kernels/softmax/generic/sve2/impl.cpp @@ -0,0 +1,211 @@ +/* + * Copyright (c) 2021-2022 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 "src/cpu/kernels/softmax/generic/sve2/impl.h" +#include "arm_compute/core/Types.h" +#include "src/core/NEON/wrapper/wrapper.h" + +namespace arm_compute +{ +namespace cpu +{ +template <typename ScalarType> +void sve2_softmax_logits_1d_quantized(const ITensor *in, const ITensor *max, void *const tmp, + ITensor *out, 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(); + + const float scale_beta = -beta * in->info()->quantization_info().uniform().scale; + const auto scale_beta_vec = svdup_n_f32(scale_beta); + + Iterator in_it(in, window); + Iterator max_it(max, window); + Iterator out_it(out, window); + const auto all_true_pg = wrapper::svptrue<ScalarType>(); + using SVEType = typename wrapper::traits::sve_vector<ScalarType>::type; + + const int inc_1 = static_cast<int>(svcntw()); + const int inc_2 = static_cast<int>(2 * svcntw()); + const int inc_3 = static_cast<int>(3 * svcntw()); + + 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<float *>(tmp); + + float sum{}; + + /* 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_0 = svdup_n_f32(0.f); + auto vec_sum_1 = svdup_n_f32(0.f); + auto vec_sum_2 = svdup_n_f32(0.f); + auto vec_sum_3 = svdup_n_f32(0.f); + + /* Loop over row and compute exponentials and sum */ + int x = 0; + svbool_t pg = wrapper::svwhilelt<ScalarType>(x, input_width); + svbool_t pg_0 = svunpklo(svunpklo(pg)); + svbool_t pg_1 = svunpkhi(svunpklo(pg)); + svbool_t pg_2 = svunpklo(svunpkhi(pg)); + svbool_t pg_3 = svunpkhi(svunpkhi(pg)); + do + { + auto vec_elements = svld1(pg, in_ptr + x); + vec_elements = svsub_z(pg, vec_max, vec_elements); + + auto vec_elements_flt_0 = svcvt_f32_z(pg_0, svunpklo(svunpklo(vec_elements))); + auto vec_elements_flt_1 = svcvt_f32_z(pg_1, svunpkhi(svunpklo(vec_elements))); + auto vec_elements_flt_2 = svcvt_f32_z(pg_2, svunpklo(svunpkhi(vec_elements))); + auto vec_elements_flt_3 = svcvt_f32_z(pg_3, svunpkhi(svunpkhi(vec_elements))); + + if(is_log) + { + vec_elements_flt_0 = svmul_f32_z(pg_0, vec_elements_flt_0, scale_beta_vec); + vec_elements_flt_1 = svmul_f32_z(pg_1, vec_elements_flt_1, scale_beta_vec); + vec_elements_flt_2 = svmul_f32_z(pg_2, vec_elements_flt_2, scale_beta_vec); + vec_elements_flt_3 = svmul_f32_z(pg_3, vec_elements_flt_3, scale_beta_vec); + vec_sum_0 = svadd_f32_m(pg_0, vec_sum_0, svexp_f32_z(pg_0, vec_elements_flt_0)); + vec_sum_1 = svadd_f32_m(pg_1, vec_sum_1, svexp_f32_z(pg_1, vec_elements_flt_1)); + vec_sum_2 = svadd_f32_m(pg_2, vec_sum_2, svexp_f32_z(pg_2, vec_elements_flt_2)); + vec_sum_3 = svadd_f32_m(pg_3, vec_sum_3, svexp_f32_z(pg_3, vec_elements_flt_3)); + } + else + { + vec_elements_flt_0 = svexp_f32_z(pg_0, svmul_f32_z(pg_0, vec_elements_flt_0, scale_beta_vec)); + vec_elements_flt_1 = svexp_f32_z(pg_1, svmul_f32_z(pg_1, vec_elements_flt_1, scale_beta_vec)); + vec_elements_flt_2 = svexp_f32_z(pg_2, svmul_f32_z(pg_2, vec_elements_flt_2, scale_beta_vec)); + vec_elements_flt_3 = svexp_f32_z(pg_3, svmul_f32_z(pg_3, vec_elements_flt_3, scale_beta_vec)); + vec_sum_0 = svadd_f32_m(pg_0, vec_sum_0, vec_elements_flt_0); + vec_sum_1 = svadd_f32_m(pg_1, vec_sum_1, vec_elements_flt_1); + vec_sum_2 = svadd_f32_m(pg_2, vec_sum_2, vec_elements_flt_2); + vec_sum_3 = svadd_f32_m(pg_3, vec_sum_3, vec_elements_flt_3); + } + + svst1_f32(pg_0, tmp_ptr + x, vec_elements_flt_0); + svst1_f32(pg_1, tmp_ptr + x + inc_1, vec_elements_flt_1); + svst1_f32(pg_2, tmp_ptr + x + inc_2, vec_elements_flt_2); + svst1_f32(pg_3, tmp_ptr + x + inc_3, vec_elements_flt_3); + + x += wrapper::svcnt<ScalarType>(); + pg = wrapper::svwhilelt<ScalarType>(x, input_width); + pg_0 = svunpklo(svunpklo(pg)); + pg_1 = svunpkhi(svunpklo(pg)); + pg_2 = svunpklo(svunpkhi(pg)); + pg_3 = svunpkhi(svunpkhi(pg)); + } + while(svptest_any(all_true_pg, pg)); + + /* Reduce sum */ + const auto vec_sum = svadd_f32_z(all_true_pg, svadd_f32_z(all_true_pg, vec_sum_0, vec_sum_1), svadd_f32_z(all_true_pg, vec_sum_2, vec_sum_3)); + sum = svaddv_f32(all_true_pg, vec_sum); + + /* Run remaining elements */ + x = 0; + if(is_log) + { + sum = std::log(sum); + } + else + { + sum = 256.f / sum; + } + } + + /* Normalize exponentials */ + { + constexpr bool is_qasymm8_signed = std::is_same<ScalarType, qasymm8_signed_t>::value; + /* Loop over row and compute softmax */ + int x = 0; + svbool_t pg = wrapper::svwhilelt<ScalarType>(x, input_width); + svbool_t pg_0 = svunpklo(svunpklo(pg)); + svbool_t pg_1 = svunpkhi(svunpklo(pg)); + svbool_t pg_2 = svunpklo(svunpkhi(pg)); + svbool_t pg_3 = svunpkhi(svunpkhi(pg)); + do + { + auto vec_in_0 = svld1_f32(pg_0, tmp_ptr + x); + auto vec_in_1 = svld1_f32(pg_1, tmp_ptr + x + inc_1); + auto vec_in_2 = svld1_f32(pg_2, tmp_ptr + x + inc_2); + auto vec_in_3 = svld1_f32(pg_3, tmp_ptr + x + inc_3); + + svfloat32_t res_0{}; + svfloat32_t res_1{}; + svfloat32_t res_2{}; + svfloat32_t res_3{}; + + if(is_log) + { + res_0 = svsub_f32_z(pg_0, vec_in_0, svdup_n_f32(sum)); + res_1 = svsub_f32_z(pg_1, vec_in_1, svdup_n_f32(sum)); + res_2 = svsub_f32_z(pg_2, vec_in_2, svdup_n_f32(sum)); + res_3 = svsub_f32_z(pg_3, vec_in_3, svdup_n_f32(sum)); + } + else + { + res_0 = svmul_f32_z(pg_0, vec_in_0, svdup_n_f32(sum)); + res_1 = svmul_f32_z(pg_1, vec_in_1, svdup_n_f32(sum)); + res_2 = svmul_f32_z(pg_2, vec_in_2, svdup_n_f32(sum)); + res_3 = svmul_f32_z(pg_3, vec_in_3, svdup_n_f32(sum)); + + if(is_qasymm8_signed) + { + const auto offset_vec = svdup_n_f32(128.f); + res_0 = svsub_z(pg_0, vec_in_0, offset_vec); + res_1 = svsub_z(pg_1, vec_in_1, offset_vec); + res_2 = svsub_z(pg_2, vec_in_2, offset_vec); + res_3 = svsub_z(pg_3, vec_in_3, offset_vec); + } + } + + // Store value + const auto out = convert_float_to_int<SVEType>(res_0, res_1, res_2, res_3); + svst1(pg, out_ptr + x, out); + x += wrapper::svcnt<ScalarType>(); + pg = wrapper::svwhilelt<ScalarType>(x, input_width); + pg_0 = svunpklo(svunpklo(pg)); + pg_1 = svunpkhi(svunpklo(pg)); + pg_2 = svunpklo(svunpkhi(pg)); + pg_3 = svunpkhi(svunpkhi(pg)); + } + while(svptest_any(all_true_pg, pg)); + } + }, + in_it, max_it, out_it); +} + +template void sve2_softmax_logits_1d_quantized<qasymm8_signed_t>(const ITensor *in, const ITensor *max, void *const tmp, + ITensor *out, float beta, bool is_log, const Window &window); +template void sve2_softmax_logits_1d_quantized<qasymm8_t>(const ITensor *in, const ITensor *max, void *const tmp, + ITensor *out, float beta, bool is_log, const Window &window); +} // namespace cpu +} // namespace arm_compute diff --git a/src/cpu/kernels/softmax/generic/sve2/impl.h b/src/cpu/kernels/softmax/generic/sve2/impl.h index 16dde2b115..abbcc15181 100644 --- a/src/cpu/kernels/softmax/generic/sve2/impl.h +++ b/src/cpu/kernels/softmax/generic/sve2/impl.h @@ -24,9 +24,7 @@ #ifndef SRC_CORE_SVE2_KERNELS_SOFTMAX_IMPL_H #define SRC_CORE_SVE2_KERNELS_SOFTMAX_IMPL_H -#if defined(ARM_COMPUTE_ENABLE_SVE2) -#include "arm_compute/core/Types.h" -#include "src/core/NEON/wrapper/intrinsics/intrinsics.h" +#include "arm_compute/core/Helpers.h" namespace arm_compute { @@ -34,177 +32,7 @@ namespace cpu { template <typename ScalarType> void sve2_softmax_logits_1d_quantized(const ITensor *in, const ITensor *max, void *const tmp, - ITensor *out, 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(); - - const float scale_beta = -beta * in->info()->quantization_info().uniform().scale; - const auto scale_beta_vec = svdup_n_f32(scale_beta); - - Iterator in_it(in, window); - Iterator max_it(max, window); - Iterator out_it(out, window); - const auto all_true_pg = wrapper::svptrue<ScalarType>(); - using SVEType = typename wrapper::traits::sve_vector<ScalarType>::type; - - const int inc_1 = static_cast<int>(svcntw()); - const int inc_2 = static_cast<int>(2 * svcntw()); - const int inc_3 = static_cast<int>(3 * svcntw()); - - 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<float *>(tmp); - - float sum{}; - - /* 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_0 = svdup_n_f32(0.f); - auto vec_sum_1 = svdup_n_f32(0.f); - auto vec_sum_2 = svdup_n_f32(0.f); - auto vec_sum_3 = svdup_n_f32(0.f); - - /* Loop over row and compute exponentials and sum */ - int x = 0; - svbool_t pg = wrapper::svwhilelt<ScalarType>(x, input_width); - svbool_t pg_0 = svunpklo(svunpklo(pg)); - svbool_t pg_1 = svunpkhi(svunpklo(pg)); - svbool_t pg_2 = svunpklo(svunpkhi(pg)); - svbool_t pg_3 = svunpkhi(svunpkhi(pg)); - do - { - auto vec_elements = svld1(pg, in_ptr + x); - vec_elements = svsub_z(pg, vec_max, vec_elements); - - auto vec_elements_flt_0 = svcvt_f32_z(pg_0, svunpklo(svunpklo(vec_elements))); - auto vec_elements_flt_1 = svcvt_f32_z(pg_1, svunpkhi(svunpklo(vec_elements))); - auto vec_elements_flt_2 = svcvt_f32_z(pg_2, svunpklo(svunpkhi(vec_elements))); - auto vec_elements_flt_3 = svcvt_f32_z(pg_3, svunpkhi(svunpkhi(vec_elements))); - - if(is_log) - { - vec_elements_flt_0 = svmul_f32_z(pg_0, vec_elements_flt_0, scale_beta_vec); - vec_elements_flt_1 = svmul_f32_z(pg_1, vec_elements_flt_1, scale_beta_vec); - vec_elements_flt_2 = svmul_f32_z(pg_2, vec_elements_flt_2, scale_beta_vec); - vec_elements_flt_3 = svmul_f32_z(pg_3, vec_elements_flt_3, scale_beta_vec); - vec_sum_0 = svadd_f32_m(pg_0, vec_sum_0, svexp_f32_z(pg_0, vec_elements_flt_0)); - vec_sum_1 = svadd_f32_m(pg_1, vec_sum_1, svexp_f32_z(pg_1, vec_elements_flt_1)); - vec_sum_2 = svadd_f32_m(pg_2, vec_sum_2, svexp_f32_z(pg_2, vec_elements_flt_2)); - vec_sum_3 = svadd_f32_m(pg_3, vec_sum_3, svexp_f32_z(pg_3, vec_elements_flt_3)); - } - else - { - vec_elements_flt_0 = svexp_f32_z(pg_0, svmul_f32_z(pg_0, vec_elements_flt_0, scale_beta_vec)); - vec_elements_flt_1 = svexp_f32_z(pg_1, svmul_f32_z(pg_1, vec_elements_flt_1, scale_beta_vec)); - vec_elements_flt_2 = svexp_f32_z(pg_2, svmul_f32_z(pg_2, vec_elements_flt_2, scale_beta_vec)); - vec_elements_flt_3 = svexp_f32_z(pg_3, svmul_f32_z(pg_3, vec_elements_flt_3, scale_beta_vec)); - vec_sum_0 = svadd_f32_m(pg_0, vec_sum_0, vec_elements_flt_0); - vec_sum_1 = svadd_f32_m(pg_1, vec_sum_1, vec_elements_flt_1); - vec_sum_2 = svadd_f32_m(pg_2, vec_sum_2, vec_elements_flt_2); - vec_sum_3 = svadd_f32_m(pg_3, vec_sum_3, vec_elements_flt_3); - } - - svst1_f32(pg_0, tmp_ptr + x, vec_elements_flt_0); - svst1_f32(pg_1, tmp_ptr + x + inc_1, vec_elements_flt_1); - svst1_f32(pg_2, tmp_ptr + x + inc_2, vec_elements_flt_2); - svst1_f32(pg_3, tmp_ptr + x + inc_3, vec_elements_flt_3); - - x += wrapper::svcnt<ScalarType>(); - pg = wrapper::svwhilelt<ScalarType>(x, input_width); - pg_0 = svunpklo(svunpklo(pg)); - pg_1 = svunpkhi(svunpklo(pg)); - pg_2 = svunpklo(svunpkhi(pg)); - pg_3 = svunpkhi(svunpkhi(pg)); - } - while(svptest_any(all_true_pg, pg)); - - /* Reduce sum */ - const auto vec_sum = svadd_f32_z(all_true_pg, svadd_f32_z(all_true_pg, vec_sum_0, vec_sum_1), svadd_f32_z(all_true_pg, vec_sum_2, vec_sum_3)); - sum = svaddv_f32(all_true_pg, vec_sum); - - /* Run remaining elements */ - x = 0; - if(is_log) - { - sum = std::log(sum); - } - else - { - sum = 256.f / sum; - } - } - - /* Normalize exponentials */ - { - constexpr bool is_qasymm8_signed = std::is_same<ScalarType, qasymm8_signed_t>::value; - /* Loop over row and compute softmax */ - int x = 0; - svbool_t pg = wrapper::svwhilelt<ScalarType>(x, input_width); - svbool_t pg_0 = svunpklo(svunpklo(pg)); - svbool_t pg_1 = svunpkhi(svunpklo(pg)); - svbool_t pg_2 = svunpklo(svunpkhi(pg)); - svbool_t pg_3 = svunpkhi(svunpkhi(pg)); - do - { - auto vec_in_0 = svld1_f32(pg_0, tmp_ptr + x); - auto vec_in_1 = svld1_f32(pg_1, tmp_ptr + x + inc_1); - auto vec_in_2 = svld1_f32(pg_2, tmp_ptr + x + inc_2); - auto vec_in_3 = svld1_f32(pg_3, tmp_ptr + x + inc_3); - - svfloat32_t res_0{}; - svfloat32_t res_1{}; - svfloat32_t res_2{}; - svfloat32_t res_3{}; - - if(is_log) - { - res_0 = svsub_f32_z(pg_0, vec_in_0, svdup_n_f32(sum)); - res_1 = svsub_f32_z(pg_1, vec_in_1, svdup_n_f32(sum)); - res_2 = svsub_f32_z(pg_2, vec_in_2, svdup_n_f32(sum)); - res_3 = svsub_f32_z(pg_3, vec_in_3, svdup_n_f32(sum)); - } - else - { - res_0 = svmul_f32_z(pg_0, vec_in_0, svdup_n_f32(sum)); - res_1 = svmul_f32_z(pg_1, vec_in_1, svdup_n_f32(sum)); - res_2 = svmul_f32_z(pg_2, vec_in_2, svdup_n_f32(sum)); - res_3 = svmul_f32_z(pg_3, vec_in_3, svdup_n_f32(sum)); - - if(is_qasymm8_signed) - { - const auto offset_vec = svdup_n_f32(128.f); - res_0 = svsub_z(pg_0, vec_in_0, offset_vec); - res_1 = svsub_z(pg_1, vec_in_1, offset_vec); - res_2 = svsub_z(pg_2, vec_in_2, offset_vec); - res_3 = svsub_z(pg_3, vec_in_3, offset_vec); - } - } - - // Store value - const auto out = convert_float_to_int<SVEType>(res_0, res_1, res_2, res_3); - svst1(pg, out_ptr + x, out); - x += wrapper::svcnt<ScalarType>(); - pg = wrapper::svwhilelt<ScalarType>(x, input_width); - pg_0 = svunpklo(svunpklo(pg)); - pg_1 = svunpkhi(svunpklo(pg)); - pg_2 = svunpklo(svunpkhi(pg)); - pg_3 = svunpkhi(svunpkhi(pg)); - } - while(svptest_any(all_true_pg, pg)); - } - }, - in_it, max_it, out_it); -} + ITensor *out, float beta, bool is_log, const Window &window); } // namespace cpu } // namespace arm_compute -#endif /* defined(ARM_COMPUTE_ENABLE_SVE2) */ #endif /* SRC_CORE_SVE2_KERNELS_SOFTMAX_IMPL_H */ |