diff options
Diffstat (limited to 'compute_kernel_writer/include/ckw/TileOperand.h')
-rw-r--r-- | compute_kernel_writer/include/ckw/TileOperand.h | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/compute_kernel_writer/include/ckw/TileOperand.h b/compute_kernel_writer/include/ckw/TileOperand.h index 873a9825f3..56dc5e7b2b 100644 --- a/compute_kernel_writer/include/ckw/TileOperand.h +++ b/compute_kernel_writer/include/ckw/TileOperand.h @@ -25,6 +25,8 @@ #ifndef CKW_INCLUDE_CKW_TILEOPERAND_H #define CKW_INCLUDE_CKW_TILEOPERAND_H +#include <cstdint> + namespace ckw { @@ -41,13 +43,55 @@ public: friend class KernelWriter; friend class TensorOperand; + /** Get a row vector of the current tile operand. + * + * @param[in] row The index of the row to be accessed in the current tile operand. + * + * @return A new tile operand referring to a row of the current tile operand. + */ + TileOperand row(int32_t row) const; + + /** Get a scalar element of the current tile operand. + * + * @param[in] row The index of the row to be accessed in the current tile operand. + * @param[in] col The index of the column to be accessed in the current tile operand. + * + * @return A new tile operand referring to a scalar element of the current tile operand. + */ + TileOperand scalar(int32_t row, int32_t col) const; + private: // These are hidden from the public API to avoid any misuse. /** Initialize a new instance of @ref TileOperand class for the given tile. */ TileOperand(ITile &tile); - ITile &_tile; + /** Initialize a new instance of @ref TileOperand class that is the sub-tile of the given tile. */ + TileOperand(const TileOperand &operand, int32_t row_start, int32_t row_end, int32_t col_start, int32_t col_end); + + /** Get a sub-tile of the current tile operand. + * + * The range of rows and columns is defined by pairs of start and end indices, inclusive lower and exclusive upper. + * In other words, any row and column indices satisfying the following conditions will be part of the sub-tile: + * + * row_start <= row_index < row_end + * col_start <= col_index < col_end + * + * @param[in] row_start The start index of the row range. + * @param[in] row_end The end index of the row range. + * @param[in] col_start The start index of the column range. + * @param[in] col_end The end index of the column range. + * + * @return A new tile operand refering to the same tile but with the new active area. + */ + TileOperand tile(int32_t row_start, int32_t row_end, int32_t col_start, int32_t col_end) const; + + ITile *_tile; + + int32_t _row_start; + int32_t _row_end; + int32_t _col_start; + int32_t _col_end; }; } // namespace ckw |