| /* |
| * Copyright (c) 2023 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 ACL_SRC_DYNAMIC_FUSION_SKETCH_GPU_CKW_DRIVER_COMPONENTS_UTILS_WRITERHELPER_H |
| #define ACL_SRC_DYNAMIC_FUSION_SKETCH_GPU_CKW_DRIVER_COMPONENTS_UTILS_WRITERHELPER_H |
| |
| #include "arm_compute/core/utils/misc/Utility.h" |
| #include "ckw/TensorTileSampler.h" |
| #include "src/dynamic_fusion/sketch/gpu/ckw_driver/GpuCkwComponentArgument.h" |
| #include "src/dynamic_fusion/sketch/gpu/ckw_driver/GpuCkwScopedKernelWriter.h" |
| |
| #include <algorithm> |
| #include <functional> |
| |
| using namespace ckw; |
| namespace arm_compute |
| { |
| namespace experimental |
| { |
| namespace dynamic_fusion |
| { |
| using SamplerCreator = std::function<TensorTileSampler(GpuCkwScopedKernelWriter &, int32_t /* m0 */, int32_t /* n0 */)>; |
| |
| /** Load src and dst tiles of dimension [m0, n0] only when not loaded and prepare the sampler |
| */ |
| inline void load_src_dst_tiles_and_prepare_sampler(GpuCkwScopedKernelWriter &writer, GpuCkwComponentArgument *src, GpuCkwComponentArgument *dst, int32_t m0, int32_t n0, SamplerCreator create_sampler) |
| { |
| if(!src->has_tile()) |
| { |
| const auto sampler = create_sampler(writer, m0, n0); |
| writer->op_load_once(src, sampler); |
| } |
| else |
| { |
| const auto &sampler = src->tile_sampler(); |
| writer->op_load_once(src, sampler); |
| } |
| |
| auto &src_tile = src->tile(); |
| const auto &sampler = src->tile_sampler(); |
| |
| // Prepare the output tile. |
| if(!dst->has_tile()) |
| { |
| auto &tile = writer->declare_tile("dst_tile", src_tile.tile_info()); |
| dst->init_virtual_tensor(tile, sampler); |
| } |
| } |
| |
| /** Get boundary aware coordinate along one axis. Load and store of size step_v at the coordinate will not be out of bound |
| * |
| * @param[in,out] writer Writer |
| * @param[out] coord Resultant coordinate |
| * @param[in] gid Global work item id |
| * @param[in] step_v Step size / vector size |
| * @param[in] leftover_step_v Leftover step size at the boundary |
| * @param[in] prefix Prefix to all the tiles declared within this function |
| * @param[in] const_0 Constant tile of value 0 |
| */ |
| inline void get_coord(GpuCkwScopedKernelWriter writer, TileOperand &coord, const TileOperand &gid, int32_t step_v, int32_t leftover_step_v, const std::string &prefix, const TileOperand &const_0) |
| { |
| auto &step = writer->declare_tile(prefix + "step", step_v); |
| auto &leftover_step = writer->declare_tile(prefix + "leftover_step", leftover_step_v); |
| |
| // step - leftover_step |
| auto &step_minus_leftover = writer->declare_tile(prefix + "step_minus_leftover", ckw::DataType::Int32); |
| writer->op_binary_expression(step_minus_leftover, step, ckw::BinaryOp::Sub, leftover_step); |
| |
| // (step - leftover_step) % step |
| auto &coord_correction = writer->declare_tile(prefix + "coord_correction", ckw::DataType::Int32); |
| writer->op_binary_expression(coord_correction, step_minus_leftover, ckw::BinaryOp::Mod, step); |
| |
| // (gid * step) |
| auto &raw_coord = writer->declare_tile(prefix + "raw_coord", ckw::DataType::Int32); |
| writer->op_binary_expression(raw_coord, gid, ckw::BinaryOp::Mul, step); |
| |
| // (gid * step) - (step - leftover_step) % step |
| auto &corrected_coord = writer->declare_tile(prefix + "corrected_coord", ckw::DataType::Int32); |
| writer->op_binary_expression(corrected_coord, raw_coord, ckw::BinaryOp::Sub, coord_correction); |
| |
| // max((gid * step) - (step - leftover_step) % step, 0) |
| writer->op_binary_elementwise_function(coord, ckw::BinaryFunction::Max, corrected_coord, const_0); |
| } |
| |
| /** Declare coordinate tiles "{prefix}_dim0_coord" and "{prefix}_dim1_coord", and create a boundary-aware sampler from tile of size [n0, m0], against the overall dimensions [dim0, dim1] |
| * The load and store of tile [n0, m0] will never be out of bound of [dim0, dim1] |
| */ |
| |
| /** Declare coordinate tiles "{prefix}_dim0_coord" and "{prefix}_dim1_coord", and create a boundary-aware sampler from tile of size [n0, m0], against the overall dimensions [dim0, dim1] |
| * The load and store of tile [n0, m0] will never be out of bound of [dim0, dim1] |
| * |
| * @param[in,out] writer Writer |
| * @param[in] gid_0 Global work item id 0 |
| * @param[in] gid_1 Global work item id 1 |
| * @param[in] dim0_v Dimension 0 |
| * @param[in] dim1_v Dimension 1 |
| * @param[in] n0_v Tile size dimension 0 |
| * @param[in] m0_v Tile size dimension 1 |
| * @param[in] prefix Prefix to all the tiles declared within this function |
| * @param[in] const_0 Constant tile of value 0 |
| * |
| * @return TensorTileSampler |
| */ |
| inline TensorTileSampler create_boundary_aware_2d_sampler(GpuCkwScopedKernelWriter writer, TileOperand &gid_0, TileOperand &gid_1, int32_t dim0_v, int32_t dim1_v, int32_t n0_v, int32_t m0_v, |
| const std::string prefix, TileOperand &const_0) |
| { |
| // Clamp tile size [n0, m0] against dimension [dim0, dim1] |
| // This is needed to: |
| // * Guard against tile sizes are bigger than the tensor dimensions |
| // * Handle broadcasting tiles (e.g. src tensor is of size 1 in one of the dimensions) |
| n0_v = utility::clamp(n0_v, 1, dim0_v); |
| m0_v = utility::clamp(m0_v, 1, dim1_v); |
| const int32_t partial_n0_v = dim0_v % n0_v; |
| const int32_t partial_m0_v = dim1_v % m0_v; |
| |
| // Declare #prefix_dim0_coord and #prefix_dim1_coord |
| auto &dim0_coord = writer->declare_tile(prefix + "dim0_coord", ckw::DataType::Int32); |
| get_coord(writer, dim0_coord, gid_0, n0_v, partial_n0_v, prefix + "dim0_", const_0); |
| auto &dim1_coord = writer->declare_tile(prefix + "dim1_coord", ckw::DataType::Int32); |
| get_coord(writer, dim1_coord, gid_1, m0_v, partial_m0_v, prefix + "dim1_", const_0); |
| |
| // Set sampler |
| // Only set fields related to boundary aware loading/storing. Other info (e.g. format) is not responsibility of this function |
| TensorTileSampler sampler; |
| |
| sampler.x(dim0_coord); |
| sampler.y(dim1_coord); |
| |
| sampler.width(n0_v); |
| sampler.height(m0_v); |
| |
| sampler.address_mode_x(TensorSamplerAddressModeX::None); |
| sampler.address_mode_y(TensorSamplerAddressModeY::None); |
| sampler.address_mode_z(TensorSamplerAddressModeZ::None); |
| |
| return sampler; |
| } |
| } // namespace dynamic_fusion |
| } // namespace experimental |
| } // namespace arm_compute |
| #endif // ACL_SRC_DYNAMIC_FUSION_SKETCH_GPU_CKW_DRIVER_COMPONENTS_UTILS_WRITERHELPER_H |