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Diffstat (limited to 'compute_kernel_writer/src/cl/CLTile.cpp')
| -rw-r--r-- | compute_kernel_writer/src/cl/CLTile.cpp | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/compute_kernel_writer/src/cl/CLTile.cpp b/compute_kernel_writer/src/cl/CLTile.cpp new file mode 100644 index 0000000000..f6e271e813 --- /dev/null +++ b/compute_kernel_writer/src/cl/CLTile.cpp @@ -0,0 +1,234 @@ +/* + * 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. + */ +#include "src/cl/CLTile.h" + +#include "ckw/Error.h" +#include "ckw/TileInfo.h" + +#include "src/cl/CLHelpers.h" +#include "src/Helpers.h" + +#include <algorithm> +#include <vector> + +namespace ckw +{ +CLTile::CLTile(const std::string &name, const TileInfo &info) : _is_constant(false) +{ + validate_tile_info(info); + + _basename = name; + _info = info; +} + +CLTile::CLTile(const TileContainer &vals, DataType dt) : _is_constant(true) +{ + const int32_t w = vals[0].size(); + const int32_t h = vals.size(); + + _info.width(w); + _info.height(h); + _info.data_type(dt); + + validate_tile_info(_info); + + _vals = TileContainer(h, std::vector<std::string>(w)); + + for (int32_t y = 0; y < h; ++y) + { + for (int32_t x = 0; x < w; ++x) + { + _vals[y][x] = vals[y][x]; + } + } +} + +const std::string &CLTile::name() const +{ + return _basename; +} + +const TileInfo &CLTile::info() const +{ + return _info; +} + +TileVariable CLTile::scalar(int32_t row, int32_t col) const +{ + // Clamp to nearest valid edge + col = clamp(col, static_cast<int32_t>(0), _info.width() - 1); + row = clamp(row, static_cast<int32_t>(0), _info.height() - 1); + + if (_is_constant) + { + // We can use the vector method to retrieve the scalar variable stored in the constant tile + return vector(row, col, 1); + } + else + { + TileVariable t; + t.str = create_var_name(row); + t.desc.dt = _info.data_type(); + t.desc.len = 1; + + // This check is required because if the width has only one element, we cannot use .s0 + if (_info.width() != 1) + { + // Automatic broadcasting + t.str += ".s" + dec_to_hex_as_string(col); + } + + return t; + } +} + +TileVariable CLTile::vector(int32_t row) const +{ + // Clamp to nearest valid edge + row = clamp(row, static_cast<int32_t>(0), _info.height() - 1); + + if (_is_constant) + { + return vector(row, 0, _info.width()); + } + else + { + TileVariable t; + t.str = create_var_name(row); + t.desc.dt = _info.data_type(); + t.desc.len = _info.width(); + return t; + } +} + +TileVariable CLTile::vector(int32_t row, int32_t col_start, int32_t width) const +{ + CKW_ASSERT(col_start >= 0 && col_start < _info.width()); + CKW_ASSERT(col_start + width <= _info.width()); + + // Validate the new vector length + cl_validate_vector_length(width); + + // Clamp to nearest valid edge + row = clamp(row, static_cast<int32_t>(0), _info.height() - 1); + + TileVariable t; + t.desc.dt = _info.data_type(); + t.desc.len = width; + + if (_is_constant) + { + // The vector has the following form: ((data_typeN)(val0, val1,..., ValN-1)) + t.str = "((" + cl_get_variable_datatype_as_string(t.desc.dt, width) + ")"; + t.str += "("; + + int32_t col = col_start; + for (; col < width - 1; ++col) + { + t.str += _vals[row][col]; + t.str += ", "; + } + t.str += _vals[row][col]; + t.str += "))"; + } + else + { + t.str = create_var_name(row); + + if (_info.width() != 1 && _info.width() != width) + { + t.str += ".s"; + for (int i = 0; i < width; ++i) + { + t.str += dec_to_hex_as_string(col_start + i); + } + } + } + + return t; +} + +std::vector<TileVariable> CLTile::all() const +{ + std::vector<TileVariable> vars; + + if (_is_constant) + { + for (int32_t y = 0; y < _info.height(); ++y) + { + for (int32_t x = 0; x < _info.width(); ++x) + { + // We can use the vector method to retrieve all the scalar variables stored in the constant tile + TileVariable t = vector(y, x, 1); + vars.push_back(t); + } + } + } + else + { + for (int32_t y = 0; y < _info.height(); ++y) + { + TileVariable t; + t.str = create_var_name(y); + t.desc.dt = _info.data_type(); + t.desc.len = _info.width(); + vars.push_back(t); + } + } + + return vars; +} + +bool CLTile::is_assignable() const +{ + return !_is_constant; +} + +std::string CLTile::create_var_name(int32_t row) const +{ + std::string var_name = _basename; + + // If a scalar variable, we do not append the row index + if (_info.height() > 1) + { + var_name += "__"; + var_name += std::to_string(row); + } + + return var_name; +} + +std::vector<int32_t> CLTile::supported_vector_lengths() const +{ + return std::vector<int32_t>{1, 2, 3, 4, 8, 16}; +} + +void CLTile::validate_tile_info(const TileInfo &info) const +{ + CKW_UNUSED(info); + CKW_ASSERT_MSG(cl_validate_vector_length(info.width()), "Unsupported TileInfo width"); + CKW_ASSERT_MSG(info.data_type() != DataType::Unknown, "DataType::Unknown is not supported"); +} + +} // namespace ckw |