From 04f089cbcb4407e8d2883525edb661ba15ea922d Mon Sep 17 00:00:00 2001 From: Michalis Spyrou Date: Tue, 8 Aug 2017 17:42:38 +0100 Subject: COMPMID-476 L2 Normalization for CL Change-Id: I88f87173645880eb823916c5d4ac884c372a4fb4 Reviewed-on: http://mpd-gerrit.cambridge.arm.com/83269 Reviewed-by: Anthony Barbier Tested-by: Kaizen --- src/runtime/CL/functions/CLReductionOperation.cpp | 84 +++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 src/runtime/CL/functions/CLReductionOperation.cpp (limited to 'src/runtime/CL/functions/CLReductionOperation.cpp') diff --git a/src/runtime/CL/functions/CLReductionOperation.cpp b/src/runtime/CL/functions/CLReductionOperation.cpp new file mode 100644 index 0000000000..5bb33205ca --- /dev/null +++ b/src/runtime/CL/functions/CLReductionOperation.cpp @@ -0,0 +1,84 @@ +/* + * 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/runtime/CL/functions/CLReductionOperation.h" + +#include "arm_compute/core/CL/ICLTensor.h" +#include "arm_compute/core/CL/kernels/CLReductionOperationKernel.h" +#include "arm_compute/core/Error.h" +#include "arm_compute/core/PixelValue.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/runtime/CL/CLScheduler.h" +#include "arm_compute/runtime/Tensor.h" +#include "support/ToolchainSupport.h" + +using namespace arm_compute; + +CLReductionOperation::CLReductionOperation() + : _sums_vector(), _reduction_kernels_vector(), _border_handlers_vector(), _num_of_stages() +{ +} + +void CLReductionOperation::configure(ICLTensor *input, ICLTensor *output, unsigned int axis, ReductionOperation op) +{ + // Calculate number of WGs. 16 elements per thread, 8 threads per WG + unsigned int num_of_wg = ceil(input->info()->dimension(0) / 128.f); + + // Calculate number of stages. First stage performs op and the rest reduction sum + // depending on the size of the input. Last stage should have only 1 WG. + _num_of_stages = num_of_wg / 128 + 2; + + // Configure reduction operation kernels + _reduction_kernels_vector = arm_compute::support::cpp14::make_unique(_num_of_stages); + _border_handlers_vector = arm_compute::support::cpp14::make_unique(_num_of_stages); + + TensorShape shape{ input->info()->tensor_shape() }; + for(unsigned int i = 0; i < _num_of_stages - 1; i++) + { + shape.set(0, ceil(shape.x() / 128.f)); + auto *tensor = new CLTensor; + tensor->allocator()->init(TensorInfo(shape, input->info()->num_channels(), input->info()->data_type(), input->info()->fixed_point_position())); + _sums_vector.push_back(tensor); + } + + // Apply ReductionOperation only on first kernel + _reduction_kernels_vector[0].configure(input, _sums_vector.at(0), axis, op); + _border_handlers_vector[0].configure(input, _reduction_kernels_vector[0].border_size(), BorderMode::CONSTANT, PixelValue(0)); + for(unsigned int i = 1; i < _num_of_stages; i++) + { + // Last sum vector is the output vector + _reduction_kernels_vector[i].configure(_sums_vector.at(i - 1), i == _num_of_stages - 1 ? output : _sums_vector.at(i), axis, ReductionOperation::SUM); + _border_handlers_vector[i].configure(_sums_vector.at(i - 1), _reduction_kernels_vector[i].border_size(), BorderMode::CONSTANT, PixelValue(0)); + _sums_vector.at(i - 1)->allocator()->allocate(); + } +} + +void CLReductionOperation::run() +{ + for(unsigned int i = 0; i < _num_of_stages; ++i) + { + CLScheduler::get().enqueue(_border_handlers_vector[i], false); + CLScheduler::get().enqueue(_reduction_kernels_vector[i], false); + } +} \ No newline at end of file -- cgit v1.2.1