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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.
*/
#if defined(ENABLE_EXPERIMENTAL_DYNAMIC_FUSION)
#ifndef ARM_COMPUTE_EXPERIMENTAL_CLKERNELBUILDINGAPI_H
#define ARM_COMPUTE_EXPERIMENTAL_CLKERNELBUILDINGAPI_H
#include "arm_compute/core/CL/CLCompileContext.h"
#include "arm_compute/core/Window.h"
namespace arm_compute
{
namespace experimental
{
namespace dynamic_fusion
{
using ArgumentID = int32_t;
static constexpr ArgumentID g_arg_placeholder = -1;
/** Verbose and explicit way to enumerate all the tensor arguments variants used by
* all kernel implementations. This avoids any ambiguity in what kernel arguments are passed
*/
enum class TensorArgType : int
{
Scalar,
Vector,
Image,
Image_Reinterpret_As_3D,
Image_Export_To_ClImage2D,
Image_3D, // 3D Tensor represented as a 2D Image + stride_z
Image_3D_Export_To_ClImage2D,
Tensor_3D,
Tensor_4D
};
/** Describes all the info required to add a kernel argument at run time */
struct ClKernelArgRuntimeDescriptor
{
ClKernelArgRuntimeDescriptor(int arg_id, TensorArgType type, bool slide_along_dimz = true)
: arg_id{ arg_id }, tensor_arg_type{ type }, slide_along_dimz{ slide_along_dimz }
{
}
~ClKernelArgRuntimeDescriptor() = default;
int arg_id{ g_arg_placeholder }; // Arg ID in the blueprint
TensorArgType tensor_arg_type{ TensorArgType::Image };
bool slide_along_dimz{ true };
};
using ClKernelArgList = std::vector<ClKernelArgRuntimeDescriptor>;
/** Intermediate representation of the final, complete kernel source. */
class ClKernelBlueprint
{
public:
ClKernelBlueprint();
~ClKernelBlueprint();
private:
struct Implementation;
std::unique_ptr<Implementation> _impl;
public:
Implementation &impl();
const Implementation &impl() const;
};
///// Kernel Components /////
/** Meta information about all Cl Kernel Components */
struct ClKernelComponentDescriptor
{
int32_t version{ 1 }; /**< Operator version */
};
/** Component: Tensor Argument */
struct ClTensorDescriptor
{
ClTensorDescriptor(const ITensorInfo *info, unsigned int dim)
: tensor_info(info), slice_dim(dim)
{
}
const ITensorInfo *tensor_info;
unsigned int slice_dim;
};
Status add_tensor_argument(ClKernelBlueprint &, const ClTensorDescriptor &, ArgumentID &);
Status add_tensor_intermed(ClKernelBlueprint &, ArgumentID &);
/** Component: Gemm Native */
struct GemmNativeDescriptor
{
float alpha{};
float beta{};
unsigned int m{};
unsigned int n{};
unsigned int k{};
unsigned int depth_output_gemm3d{};
bool reinterpret_input_as_3d{};
bool broadcast_bias{};
bool fp_mixed_precision{};
bool has_pad_y{};
int nmult_transpose1xW_width{};
int mult_interleave4x4_height{};
GEMMLHSMatrixInfo lhs_info{};
GEMMRHSMatrixInfo rhs_info{};
int32_t a_offset{};
int32_t b_offset{};
};
Status add_kcomp_gemm_native(ClKernelBlueprint &, const ClKernelComponentDescriptor &, const GemmNativeDescriptor &, ArgumentID input_id,
ArgumentID weights_id, ArgumentID bias_id, ArgumentID &dst_id);
/** Component: Eltwise Add */
struct EltwiseAddDescriptor
{
ConvertPolicy convert_policy{ ConvertPolicy::SATURATE };
};
Status add_kcomp_eltwise_add(ClKernelBlueprint &, const ClKernelComponentDescriptor &, const EltwiseAddDescriptor &, ArgumentID src0_id,
ArgumentID src1_id, ArgumentID &dst_id);
/** Component: Activation */
struct ActivationDescriptor
{
};
Status add_kcomp_activation(ClKernelBlueprint &, const ClKernelComponentDescriptor &, const ActivationDescriptor &, ArgumentID src_id, ArgumentID &dst_id);
enum class ClippingStrategy
{
TOP_LEFT,
TOP_RIGHT,
BOTTOM_LEFT,
BOTTOM_RIGHT,
};
/** Component: Store */
struct TileDescriptor
{
Size2D tile_dims{};
Size2D boundaries{};
ClippingStrategy clipping{ ClippingStrategy::TOP_LEFT };
TileDescriptor()
{
}
TileDescriptor(Size2D dims, const Size2D &bound, const ClippingStrategy &clip)
: tile_dims(dims), boundaries(bound), clipping(clip)
{
}
bool empty() const
{
return (tile_dims.area() == 0) || (boundaries.area() == 0);
}
};
enum class StoreType
{
VStore,
VStorePartial,
StoreRow,
ConvertStoreRow,
StoreBlock,
ConvertStoreBlock,
StoreRowPartial,
StoreBlockPartial,
StoreBlockBoundaryAware,
StoreVectorSelect,
TStoreIndirectWidthSelect
};
Status add_kcomp_store(ClKernelBlueprint &, const ClKernelComponentDescriptor &, ArgumentID src_id, ArgumentID dst_id, const StoreType &store_type);
///// Kernel Components /////
///// Building /////
/** Information required for kernel compilation. The build results of KernelBlueprint */
struct ClKernelCode
{
std::string name{}; /**< Kernel name */
std::string code{}; /**< Kernel source code */
std::string config_id{}; /**< Generated from blueprint based on complex component */
CLBuildOptions build_options{}; /**< Kernel build options */
Window window{}; /**< Execution window */
ClKernelArgList arguments{}; /**< Kernel argument specficiations */
bool operator==(const ClKernelCode &other) const
{
return name == other.name && code == other.code && build_options == other.build_options;
}
};
/** GPU information for building the @ref ClKernelCode */
struct GpuInfo
{
GPUTarget target{ GPUTarget::UNKNOWN };
};
/** All information required for building the @ref ClKernelCode */
struct ClCodeBuilderContext
{
GpuInfo gpu_info{};
};
Status set_tile_info(ClKernelBlueprint &, const TileDescriptor &);
/** Build final kernel source from KernelBlueprint */
Status build(ClKernelCode &code, const ClCodeBuilderContext &, ClKernelBlueprint &);
///// Building /////
///// Tuning /////
struct ClExecutionDescriptor
{
cl::NDRange suggested_lws{}; /**< Suggested local work-group size for optimal performance if not zero */
cl::NDRange gws{}; /**< Global work-group to be used */
};
Status tune_static(ClExecutionDescriptor &, const ClKernelCode &);
///// Tuning /////
} // namespace dynamic_fusion
} // namespace experimental
} // namespace arm_compute
#endif //ARM_COMPUTE_EXPERIMENTAL_CLKERNELBUILDINGAPI_H
#endif // defined(ENABLE_EXPERIMENTAL_DYNAMIC_FUSION)
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