diff options
Diffstat (limited to 'src/core/CL/cl_kernels/roi_align_layer_quantized.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/roi_align_layer_quantized.cl | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/src/core/CL/cl_kernels/roi_align_layer_quantized.cl b/src/core/CL/cl_kernels/roi_align_layer_quantized.cl deleted file mode 100644 index d5c9a0d9bf..0000000000 --- a/src/core/CL/cl_kernels/roi_align_layer_quantized.cl +++ /dev/null @@ -1,206 +0,0 @@ -/* - * Copyright (c) 2019-2020 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 "helpers_asymm.h" - -// This specifies the value to shift the result of roi_dims / pooled_dims before ceiling. -// It is close to the epsilon machine (for a floating point system, x and x+EPS are the same number). -#define EPS_GRID 0.00001f - -#if defined(DATA_TYPE) && defined(POOLED_DIM_X) && defined(POOLED_DIM_Y) && defined(MAX_DIM_X) && defined(MAX_DIM_Y) && defined(MAX_DIM_Z) && defined(SPATIAL_SCALE) && defined(OFFSET_IN) && defined(OFFSET_OUT) && defined(SCALE_IN) && defined(SCALE_OUT) && defined(OFFSET_ROIS) && defined(SCALE_ROIS) // Check for compile time constants - -/** Performs a roi align on a single output pixel. - * - * @param[in] input Pointer to input Tensor3D struct. - * @param[in] region_start_x Start x index projected onto the input tensor. - * @param[in] region_end_x End x index projected onto the input tensor. - * @param[in] region_start_y Start y index projected onto the input tensor. - * @param[in] region_end_y End y index projected onto the input tensor. - * @param[in] pz z index of the input tensor. - * - * @return An average pooled value from the region specified in the input tensor. - */ -inline DATA_TYPE roi_align_1x1(const Tensor3D *input, float region_start_x, - float bin_size_x, - float grid_size_x, - float region_end_x, - float region_start_y, - float bin_size_y, - float grid_size_y, - float region_end_y, - int pz) -{ - // Iterate through the pooling region - float sum = 0; - for(int iy = 0; iy < grid_size_y; ++iy) - { - for(int ix = 0; ix < grid_size_x; ++ix) - { - // Align the window in the middle of every bin - const float y = region_start_y + (iy + 0.5f) * bin_size_y / (float)grid_size_y; - const float x = region_start_x + (ix + 0.5f) * bin_size_x / (float)grid_size_x; - - // Interpolation in the unit square - const int y_low = (int)y; - const int x_low = (int)x; - const int y_high = y_low + 1; - const int x_high = x_low + 1; - - const float ly = y - y_low; - const float lx = x - x_low; - const float hy = 1.f - ly; - const float hx = 1.f - lx; - - const float w1 = hy * hx; - const float w2 = hy * lx; - const float w3 = ly * hx; - const float w4 = ly * lx; -#if defined(NHWC) - const DATA_TYPE data1 = *(__global DATA_TYPE *)tensor3D_offset(input, pz, x_low, y_low); - const DATA_TYPE data2 = *(__global DATA_TYPE *)tensor3D_offset(input, pz, x_high, y_low); - const DATA_TYPE data3 = *(__global DATA_TYPE *)tensor3D_offset(input, pz, x_low, y_high); - const DATA_TYPE data4 = *(__global DATA_TYPE *)tensor3D_offset(input, pz, x_high, y_high); -#else // !defined(NHWC) - const DATA_TYPE data1 = *(__global DATA_TYPE *)tensor3D_offset(input, x_low, y_low, pz); - const DATA_TYPE data2 = *(__global DATA_TYPE *)tensor3D_offset(input, x_high, y_low, pz); - const DATA_TYPE data3 = *(__global DATA_TYPE *)tensor3D_offset(input, x_low, y_high, pz); - const DATA_TYPE data4 = *(__global DATA_TYPE *)tensor3D_offset(input, x_high, y_high, pz); -#endif // defined(NHWC) - - const float data1_f32 = DEQUANTIZE(data1, OFFSET_IN, SCALE_IN, DATA_TYPE, 1); - const float data2_f32 = DEQUANTIZE(data2, OFFSET_IN, SCALE_IN, DATA_TYPE, 1); - const float data3_f32 = DEQUANTIZE(data3, OFFSET_IN, SCALE_IN, DATA_TYPE, 1); - const float data4_f32 = DEQUANTIZE(data4, OFFSET_IN, SCALE_IN, DATA_TYPE, 1); - sum += w1 * data1_f32 + w2 * data2_f32 + w3 * data3_f32 + w4 * data4_f32; - } - } - - const float res_f32 = sum / (grid_size_x * grid_size_y); - return QUANTIZE(res_f32, OFFSET_OUT, SCALE_OUT, DATA_TYPE, 1); -} - -/** Performs a roi align function. - * - * @note Datatype must be passed using -DDATA_TYPE e.g. -DDATA_TYPE=uchar - * @note Datasize must be passed using -DDATA_SIZE e.g. -DDATA_SIZE=32; - * @note Input dimensions must be passed using -DMAX_DIM_X, -DMAX_DIM_Y and -DMAX_DIM_Z; - * @note Pooled region dimensions must be passed using -DPOOLED_DIM_X and -DPOOLED_DIM_Y; - * @note Spatial scale must be passed using -DSPATIAL_SCALE; - * @note Sampling ratio (i.e., the number of samples in each bin) may be passed using -DSAMPLING_RATIO. If not defined each roi - * will have a default sampling ratio of roi_dims/pooling_dims - * - * @param[in] input_ptr Pointer to the source tensor. Supported data types: QASYMM8 - * @param[in] input_stride_x Stride of the source tensor in X dimension (in bytes) - * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes) - * @param[in] input_stride_y Stride of the source tensor in Y dimension (in bytes) - * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes) - * @param[in] input_stride_z Stride of the source tensor in Z dimension (in bytes) - * @param[in] input_step_z input_stride_z * number of elements along Z processed per workitem(in bytes) - * @param[in] input_offset_first_element_in_bytes The offset of the first element in the pooled region of the source tensor as specifed by ROI - * @param[in] rois_ptr Pointer to the ROIs tensor. Layout: { batch_index, x1, y1, x2, y2 }. - * Supported data types: QASYMM16 with 0.125f scale and 0 offset - * @param[in] rois_stride_x Stride of the ROIs tensor in X dimension (in bytes) - * @param[in] rois_step_x Step of the ROIs tensor in X dimension (in bytes) - * @param[in] rois_stride_y Stride of the ROIs tensor in Y dimension (in bytes) - * @param[in] rois_step_y Step of the ROIs tensor in Y dimension (in bytes) - * @param[in] rois_offset_first_element_in_bytes The offset of the first element in the ROIs tensor - * @param[out] output_ptr Pointer to the destination tensor. Supported data types: Supported data types: same as @p input_ptr - * @param[in] output_stride_x Stride of the destination tensor in X dimension (in bytes) - * @param[in] output_step_x output_stride_x * number of elements along X processed per workitem(in bytes) - * @param[in] output_stride_y Stride of the destination tensor in Y dimension (in bytes) - * @param[in] output_step_y output_stride_y * number of elements along Y processed per workitem(in bytes) - * @param[in] output_stride_z Stride of the destination tensor in Z dimension (in bytes) - * @param[in] output_step_z output_stride_z * number of elements along Z processed per workitem(in bytes) - * @param[in] output_offset_first_element_in_bytes The offset of the first element in the destination tensor - * @param[in] input_stride_w Stride of the source tensor in W dimension (in bytes) - * @param[in] output_stride_w Stride of the destination tensor in W dimension (in bytes) - */ -__kernel void roi_align_layer_quantized( - TENSOR3D_DECLARATION(input), - IMAGE_DECLARATION(rois), - TENSOR3D_DECLARATION(output), - unsigned int input_stride_w, unsigned int output_stride_w) -{ - // Get pixels pointer - Tensor3D input = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(input); - Image rois = CONVERT_TO_IMAGE_STRUCT_NO_STEP(rois); - Tensor3D output = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(output); - -#if defined(NHWC) - const int px = get_global_id(1); - const int py = get_global_id(2); - const int pw = get_global_id(0); -#else // !defined(NHWC) - const int px = get_global_id(0); - const int py = get_global_id(1); - const int pw = get_global_id(2); -#endif // defined(NHWC) - - // Load roi parameters - // roi is laid out as follows { batch_index, x1, y1, x2, y2 } - const ushort roi_batch = *((__global ushort *)offset(&rois, 0, pw)); - float4 roi = DEQUANTIZE(vload4(0, (__global ushort *)offset(&rois, 1, pw)), OFFSET_ROIS, SCALE_ROIS, ushort, 4); - float2 roi_anchor = roi.s01 * convert_float(SPATIAL_SCALE); - float2 roi_dims = fmax((roi.s23 - roi.s01) * convert_float(SPATIAL_SCALE), 1.f); - - // Calculate pooled region start and end - float2 spatial_indx = (float2)(px, py); - float2 pooled_dims = (float2)(POOLED_DIM_X, POOLED_DIM_Y); - float2 max_spatial_dims = (float2)(MAX_DIM_X, MAX_DIM_Y); - - float2 bin_size = (float2)((roi_dims.s0 / (float)POOLED_DIM_X), (roi_dims.s1 / (float)POOLED_DIM_Y)); - float2 region_start = spatial_indx * bin_size + roi_anchor; - float2 region_end = (spatial_indx + 1) * bin_size + roi_anchor; - - region_start = clamp(region_start, 0, max_spatial_dims); - region_end = clamp(region_end, 0, max_spatial_dims); - -#if defined(SAMPLING_RATIO) - float2 roi_bin_grid = SAMPLING_RATIO; -#else // !defined(SAMPLING_RATIO) - // Note that we subtract EPS_GRID before ceiling. This is to avoid situations where 1.000001 gets ceiled to 2. - float2 roi_bin_grid = ceil(bin_size - EPS_GRID); -#endif // defined(SAMPLING_RATIO) - - // Move input and output pointer across the fourth dimension - input.ptr += roi_batch * input_stride_w; - output.ptr += pw * output_stride_w; - for(int pz = 0; pz < MAX_DIM_Z; ++pz) - { -#if defined(NHWC) - __global DATA_TYPE *_output_ptr = (__global DATA_TYPE *)tensor3D_offset(&output, pz, px, py); -#else // !defined(NHWC) - __global DATA_TYPE *_output_ptr = (__global DATA_TYPE *)tensor3D_offset(&output, px, py, pz); -#endif // defined(NHWC) - *_output_ptr = (__global DATA_TYPE)roi_align_1x1(&input, - region_start.x, - bin_size.x, - roi_bin_grid.x, - region_end.x, - region_start.y, - bin_size.y, - roi_bin_grid.y, - region_end.y, pz); - } -} -#endif // Check for compile time constants |