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/*
* Copyright (c) 2024 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/gpu/cl/kernels/ClScatterKernel.h"
#include "arm_compute/core/CL/ICLTensor.h"
#include "arm_compute/core/ITensorPack.h"
#include "arm_compute/core/TensorInfo.h"
#include "arm_compute/core/Utils.h"
#include "src/common/utils/Log.h"
#include "src/core/helpers/WindowHelpers.h"
#include "support/Cast.h"
namespace arm_compute
{
namespace opencl
{
namespace kernels
{
ClScatterKernel::ClScatterKernel()
{
}
Status ClScatterKernel::validate(const ITensorInfo *updates,
const ITensorInfo *indices,
const ITensorInfo *dst,
const ScatterInfo &info)
{
ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(updates, dst);
ARM_COMPUTE_ERROR_ON_DATA_TYPE_NOT_IN(indices, DataType::S32);
ARM_COMPUTE_ERROR_ON_DATA_TYPE_NOT_IN(dst, DataType::F32);
ARM_COMPUTE_RETURN_ERROR_ON_MSG(dst->num_dimensions() > 1, "Only 1D output tensors are currently supported.");
ARM_COMPUTE_RETURN_ERROR_ON_MSG(indices->num_dimensions() > 2, "Only 2D indices tensors are currently supported.");
ARM_COMPUTE_RETURN_ERROR_ON_MSG(updates->num_dimensions() > 1, "Only 1D update tensors are currently supported.");
ARM_COMPUTE_RETURN_ERROR_ON_MSG(
indices->tensor_shape().y() != updates->tensor_shape()[updates->num_dimensions() - 1],
"Height of indices tensor should match size of highest dimension in updates tensor.");
ARM_COMPUTE_RETURN_ERROR_ON_MSG(updates->num_dimensions() > dst->num_dimensions(),
"Update tensor cannot have more dims than output tensor.");
ARM_COMPUTE_UNUSED(info);
return Status{};
}
void ClScatterKernel::configure(const ClCompileContext &compile_context,
const ITensorInfo *updates,
const ITensorInfo *indices,
ITensorInfo *dst,
const ScatterInfo &info)
{
ARM_COMPUTE_ERROR_ON_NULLPTR(updates, dst, indices);
ARM_COMPUTE_LOG_PARAMS(updates, indices, dst, info);
// Configure kernel window
const auto indices_shape = indices->tensor_shape();
Window win = calculate_max_window(
*indices, Steps(indices_shape.x(), indices_shape.y())); // Ensures single thread for deterministic output.
// Set build options
CLBuildOptions build_opts;
build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(dst->data_type()));
build_opts.add_option("-DINDICES_DIMS=" + support::cpp11::to_string(indices->num_dimensions()));
build_opts.add_option("-DINDICES_SHAPE_Y=" + support::cpp11::to_string(indices_shape.y()));
build_opts.add_option("-DOUT_SHAPE_X=" + support::cpp11::to_string(dst->tensor_shape().x()));
switch (info.func)
{
case ScatterFunction::Update:
build_opts.add_option("-DSCATTER_FUNCTION=UPDATE_OP");
break;
case ScatterFunction::Add:
build_opts.add_option("-DSCATTER_FUNCTION=ADD_OP");
break;
case ScatterFunction::Sub:
build_opts.add_option("-DSCATTER_FUNCTION=SUB_OP");
break;
case ScatterFunction::Max:
build_opts.add_option("-DSCATTER_FUNCTION=MAX_OP");
break;
case ScatterFunction::Min:
build_opts.add_option("-DSCATTER_FUNCTION=MIN_OP");
break;
default:
ARM_COMPUTE_ERROR("Not implemented");
}
// Create kernel
std::string kernel_name("scatter1D");
ICLKernel::configure_internal(win);
_kernel = create_kernel(compile_context, kernel_name, build_opts.options());
// Set config_id for enabling LWS tuning
_config_id = kernel_name;
_config_id += "_";
_config_id += lower_string(string_from_data_type(updates->data_type()));
_config_id += "_";
_config_id += support::cpp11::to_string(dst->dimension(1));
_config_id += "_";
_config_id += support::cpp11::to_string(dst->dimension(0));
_config_id += "_";
_config_id += support::cpp11::to_string(dst->dimension(2));
_config_id += "_";
}
void ClScatterKernel::run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue)
{
unsigned int idx = 0;
Window window_collapsed = window.collapse_if_possible(ICLKernel::window(), Window::DimZ);
const auto updates =
utils::cast::polymorphic_downcast<const ICLTensor *>(tensors.get_const_tensor(TensorType::ACL_SRC_0));
const auto indices =
utils::cast::polymorphic_downcast<const ICLTensor *>(tensors.get_const_tensor(TensorType::ACL_SRC_1));
auto dst = utils::cast::polymorphic_downcast<ICLTensor *>(tensors.get_tensor(TensorType::ACL_DST));
add_4D_tensor_argument(idx, updates, window_collapsed);
add_4D_tensor_argument(idx, indices, window_collapsed);
add_4D_tensor_argument(idx, dst, window_collapsed);
enqueue(queue, *this, window, lws_hint());
}
} // namespace kernels
} // namespace opencl
} // namespace arm_compute
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