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/*
* Copyright (c) 2017 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/NEON/kernels/arm64/NEGEMMLowpAArch64V8P4Kernel.h"
#include "arm_compute/core/AccessWindowStatic.h"
#include "arm_compute/core/Error.h"
#include "arm_compute/core/Helpers.h"
#include "arm_compute/core/IAccessWindow.h"
#include "arm_compute/core/ITensor.h"
#include "arm_compute/core/TensorInfo.h"
#include "arm_compute/core/Types.h"
#include "arm_compute/core/Utils.h"
#include "arm_compute/core/Validate.h"
#include "arm_compute/core/Window.h"
#include "support/ToolchainSupport.h"
namespace arm_compute
{
#include "arm_compute/core/NEON/kernels/assembly/gemm_interleaved.hpp"
#include "arm_compute/core/NEON/kernels/assembly/kernels/a64_gemm_s8_12x8.hpp"
} // namespace arm_compute
#include <arm_neon.h>
#include <cstddef>
#include <cstdint>
// Enable only if compiled for AArch64-V8.2-A targets
#ifdef ARM_COMPUTE_AARCH64_V8_2
namespace arm_compute
{
void NEGEMMLowpAArch64V8P4Kernel::internal_configure(const ITensor *input0, const ITensor *input1, ITensor *output, ITensor *workspace, float alpha, float beta, bool transform_0, bool transform_1)
{
ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input0, 1, DataType::S8);
ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::S32);
ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input0, input1);
_input0 = input0;
_input1 = input1;
_output = output;
_workspace = workspace;
_alpha = alpha;
_beta = beta;
_transform_0 = transform_0;
_transform_1 = transform_1;
// Configure kernel window
Window win = calculate_max_window(*output->info());
AccessWindowRectangle output_access(output->info(), 0, 0, 12, 8);
const int input0_access_end = ceil_to_multiple(input0->info()->tensor_shape().x(), 8);
const int input1_access_end = ceil_to_multiple(input1->info()->tensor_shape().x(), 12);
update_window_and_padding(win,
AccessWindowStatic(input0->info(), 0, 0, input0_access_end, input0->info()->tensor_shape().y()),
AccessWindowStatic(input1->info(), 0, 0, input1_access_end, input1->info()->tensor_shape().y()),
output_access);
INEKernel::configure(win);
}
bool NEGEMMLowpAArch64V8P4Kernel::is_parallelisable() const
{
return false;
}
void NEGEMMLowpAArch64V8P4Kernel::run(const Window &window, const ThreadInfo &info)
{
ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
const int lda = _input0->info()->strides_in_bytes().y();
const int ldb = _input1->info()->strides_in_bytes().y();
const int ldc = _output->info()->strides_in_bytes().y() / sizeof(int32_t);
const auto in1_ptr = reinterpret_cast<const int8_t *>(_input1->buffer());
const int M = std::min(_output->info()->tensor_shape().y(), static_cast<size_t>(window.y().end())) - window.y().start();
const int N = _output->info()->tensor_shape().x();
const int K = _input0->info()->tensor_shape().x();
// Only iterate over batches
Window win(window);
win.set(0, Window::Dimension(0, 1, 1));
win.set(1, Window::Dimension(0, 1, 1));
Iterator in0(_input0, window);
Iterator out(_output, window);
GemmInterleaved<gemm_s8_12x8, int8_t, int32_t> gemm(&info.cpu_info, M, N, K, !_transform_1, !_transform_1);
constexpr size_t alignment = 4096;
const size_t offset = (gemm.get_working_size() + alignment - 1) * info.thread_id;
void *workspace = _workspace->buffer() + offset;
size_t workspace_size = _workspace->info()->total_size();
if(support::cpp11::align(alignment, gemm.get_working_size(), workspace, workspace_size) == nullptr)
{
ARM_COMPUTE_ERROR("Not enough space to align buffer!");
}
execute_window_loop(win, [&](const Coordinates & id)
{
gemm.execute(reinterpret_cast<const int8_t *>(in0.ptr()), lda,
reinterpret_cast<const int8_t *>(in1_ptr), ldb,
reinterpret_cast<int32_t *>(out.ptr()), ldc,
_alpha, _beta, workspace);
},
in0, out);
}
} // namespace arm_compute
#endif /* ARM_COMPUTE_AARCH64_V8_2 */
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