diff options
Diffstat (limited to 'src/core/CL/cl_kernels/tile_helpers.h')
| -rw-r--r-- | src/core/CL/cl_kernels/tile_helpers.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/tile_helpers.h b/src/core/CL/cl_kernels/tile_helpers.h index b72430c026..b963f8b5e3 100644 --- a/src/core/CL/cl_kernels/tile_helpers.h +++ b/src/core/CL/cl_kernels/tile_helpers.h @@ -205,6 +205,41 @@ } \ }) +/** Load a tile from global memory (tensor) when the tensor is stored using a NHWC layout + * + * @param[in] DATA_TYPE Data type + * @param[in] TILE_HEIGHT Number of elements to load from Y (height) dimension + * @param[in] TILE_WIDTH Number of elements to load from X (width) dimension + * @param[in] TILE_CHANNELS Number of elements to load from C (channel) dimension + * @param[in] TENSOR_TYPE Type of cl_type used to store the tensor in global memory (BUFFER=cl_buffer, IMAGE=cl_image). Currently BUFFER only is supported + * In case of cl_image, only TILE_CHANNELS multiples of 4 are supported (4, 8, 16) + * @param[in] TENSOR Tensor basename + * @param[in] B Starting batch index + * @param[in] Y Starting Y index + * @param[in] X Starting X index + * @param[in] C Starting C index + * @param[in] TENSOR_HEIGHT Number of elements to load from Y (height) dimension + * @param[in] TENSOR_WIDTH Number of elements to load from X (width) dimension + * @param[in] STRIDE_Y Stride Y (in bytes) + * @param[out] dst Output tile + */ +#define T_LOAD_NHWC(DATA_TYPE, TILE_HEIGHT, TILE_WIDTH, TILE_CHANNELS, TENSOR_TYPE, TENSOR, B, Y, X, C, TENSOR_WIDTH, TENSOR_HEIGHT, STRIDE_Y, dst) \ + ({ \ + LOOP_UNROLLING(int, _yk, 0, (TILE_HEIGHT), 1) \ + { \ + LOOP_UNROLLING(int, _xk, 0, (TILE_WIDTH), 1) \ + { \ + int _src_y = (X) + _xk + ((Y) + _yk) * (TENSOR_WIDTH); \ + _src_y += (B) * (int)(TENSOR_WIDTH) * (int)(TENSOR_HEIGHT); \ + int _src_valid_y = (((X) + _xk) >= 0 && ((X) + _xk) < (int)(TENSOR_WIDTH) && ((Y) + _yk) >= 0 && ((Y) + _yk) < (int)(TENSOR_HEIGHT)); \ + if(_src_valid_y != 0) \ + { \ + dst[_xk + _yk * (TILE_WIDTH)].v = V_LOAD(DATA_TYPE, TILE_CHANNELS, TENSOR_TYPE, TENSOR, C, _src_y, STRIDE_Y); \ + } \ + } \ + } \ + }) + /** Store a tile to global memory (tensor) using an indirect Y index tile and conditionally use a different length for the store * * @note If WIDTH1_CONDITION is true, the store will use the WIDTH1 length for the store |