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/*
* Copyright (c) 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.
*/
#ifndef SRC_DYNAMIC_FUSION_SKETCH_GPU_TEMPLATE_WRITER_CL_CLTEMPLATEWRITER
#define SRC_DYNAMIC_FUSION_SKETCH_GPU_TEMPLATE_WRITER_CL_CLTEMPLATEWRITER
#include "src/dynamic_fusion/sketch/gpu/GpuKernelArgument.h"
#include "src/dynamic_fusion/sketch/gpu/GpuKernelComponentGroup.h"
#include "src/dynamic_fusion/sketch/gpu/IGpuKernelWriter.h"
#include "src/dynamic_fusion/sketch/gpu/template_writer/GpuKernelVariableTable.h"
#include <map>
namespace arm_compute
{
namespace experimental
{
namespace dynamic_fusion
{
/** Use a templated-string-based method to write kernel code
* It stitches the component code templates together based on the valid fusion configuration.
* It then instantiates the actual kernel code from the template and the generated tag lookup table.
*/
class ClTemplateWriter : public IGpuKernelWriter
{
public:
/** Instantiates a kernel code string from the kernel code template
* @note: some tags can be unused since they could be used only for the macros, or only for the component code
*
* @param[in] code_template Kernel code template
* @param[in] tags Tag lookup table
*
* @return std::string Instantiated kernel string
*/
static std::string replace_tags(const std::string &code_template, const TagLUT &tags);
/** Default constructor */
ClTemplateWriter() = default;
/** Constructor
*
* @param[in] components Kernel component group from which the kernel will be generated
*/
ClTemplateWriter(const GpuKernelComponentGroup &components);
/** Destructor */
~ClTemplateWriter() override;
/** Generate kernel name */
std::string get_name() override;
/** Generate kernel code */
std::string get_code() override;
/** Generate build options */
CLBuildOptions get_build_options() override;
/** Generate config id string of the entire kernel. This is used for tuning */
std::string get_config_id() override;
/** Generate execution window */
Window get_window() const override;
/** Get the kernel argument lists of the kernel*/
std::map<ITensorInfo::Id, GpuKernelArgument> get_tensors() override;
private:
std::string write_kernel_name() const;
std::string write_code();
std::string write_global_section() const;
std::string write_argument_declaration(const GpuKernelVariableTable::TensorVariable &var) const;
std::string write_kernel_signature(const GpuKernelVariableTable::VariableList &argument_list) const;
private:
GpuKernelComponentGroup _components{};
GpuKernelVariableTable _vtable{};
};
} // namespace dynamic_fusion
} // namespace experimental
} // namespace arm_compute
#endif /* SRC_DYNAMIC_FUSION_SKETCH_GPU_TEMPLATE_WRITER_CL_CLTEMPLATEWRITER */
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