From a7b54f44e2bf133179f24a34007bc93237dd2265 Mon Sep 17 00:00:00 2001 From: Gian Marco Iodice Date: Mon, 12 Nov 2018 15:42:17 +0000 Subject: COMPMID-1785: Support for 4D tensor in CLFlattenLayerKernel With this patch we are able to dispatch a single GPU job also in case of batched-flatten Change-Id: I755e7af29d44b24f67fa04bad3c9b7646e8deefc --- src/core/CL/cl_kernels/flatten.cl | 33 ++++++++++++++++++++++++++------- 1 file changed, 26 insertions(+), 7 deletions(-) (limited to 'src/core/CL/cl_kernels/flatten.cl') diff --git a/src/core/CL/cl_kernels/flatten.cl b/src/core/CL/cl_kernels/flatten.cl index df0f9c4886..02694f709e 100644 --- a/src/core/CL/cl_kernels/flatten.cl +++ b/src/core/CL/cl_kernels/flatten.cl @@ -23,12 +23,13 @@ */ #include "helpers.h" -#if defined(DATA_TYPE) && defined(SRC_WIDTH) && defined(SRC_HEIGHT) +#if defined(DATA_TYPE) && defined(SRC_WIDTH) && defined(SRC_HEIGHT) && defined(SRC_DEPTH) /** This opencl kernel flattens the first 3 dimensions of the input tensor * * @note Datatype should be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=float - * @note The width and height of the input tensor must be passed at compile time using -DSRC_WIDTH and -DSRC_HEIGHT. e.g. -DSRC_WIDTH=24, -DSRC_HEIGHT=24 + * @note The width, height and depth of the input tensor must be passed at compile time using -DSRC_WIDTH, -DSRC_HEIGHT and -DSRC_DEPTH. e.g. -DSRC_WIDTH=24, -DSRC_HEIGHT=24, -DSRC_DEPTH=16 + * @note If the output has 3 dimensions, the 2nd dimension of the output tensor must be passed at compile time using -DDST_DIM1. e.g -DDST_DIM1=3 * * @param[in] src_ptr Pointer to the source tensor. Supported data types: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) @@ -37,20 +38,38 @@ * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) * @param[in] src_step_z src_stride_z * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes) + * @param[in] src_step_w src_stride_w * number of elements along Y processed per workitem(in bytes) * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor * @param[out] dst_ptr Pointer to the destination tensor. Same as @p src_ptr * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) + * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor */ __kernel void flatten( - TENSOR3D_DECLARATION(src), - VECTOR_DECLARATION(dst)) + TENSOR4D_DECLARATION(src), + TENSOR3D_DECLARATION(dst)) { - Tensor3D src = CONVERT_TO_TENSOR3D_STRUCT(src); + Tensor4D src = CONVERT_TO_TENSOR4D_STRUCT(src, SRC_DEPTH); - __global uchar *output_ptr = dst_ptr + dst_offset_first_element_in_bytes + (get_global_id(0) + get_global_id(1) * (int)SRC_WIDTH + get_global_id(2) * (int)(SRC_WIDTH * SRC_HEIGHT)) * sizeof( - DATA_TYPE); + uint c = get_global_id(2) % SRC_DEPTH; // input feature map + uint b0 = get_global_id(2) / SRC_DEPTH; // batch id + uint b1 = 0; + +#if defined(DST_DIM1) + uint b_tmp = b0; + b0 = b_tmp % DST_DIM1; // batch id0 + b1 = b_tmp / DST_DIM1; // batch id1 +#endif // defined(DST_DIM1) + + __global uchar *output_ptr = dst_ptr + dst_offset_first_element_in_bytes + + (get_global_id(0) + get_global_id(1) * (uint)SRC_WIDTH + c * (uint)(SRC_WIDTH * SRC_HEIGHT)) * sizeof(DATA_TYPE) + + b0 * dst_stride_y + + b1 * dst_stride_z; *((__global DATA_TYPE *)output_ptr) = *((__global DATA_TYPE *)src.ptr); } -- cgit v1.2.1