| /* |
| * Copyright (c) 2017-2021 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.h" |
| |
| #if defined(DATA_TYPE) && defined(SRC_WIDTH) && defined(SRC_HEIGHT) |
| /** This kernel applies dot product to each plane on the input tensor and the corrispective column of the reshaped weight tensor. |
| * |
| * @note Datatype and source width and height should be given as a preprocessor argument using -DDATA_TYPE=type, -DSRC_WIDTH=width and -DSRC_HEIGHT=height. e.g. -DDATA_TYPE=short |
| * |
| * @param[in] src_ptr Pointer to the source tensor. Supported data types: F16/F32 |
| * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @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_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[in] weights_ptr Pointer to the weights tensor. Same as @p src_ptr |
| * @param[in] weights_stride_x Stride of the weights tensor in X dimension (in bytes) |
| * @param[in] weights_step_x weights_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] weights_stride_y Stride of the weights tensor in Y dimension (in bytes) |
| * @param[in] weights_step_y weights_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] weights_offset_first_element_in_bytes The offset of the first element in the weights 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_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| */ |
| __kernel void gemm_mv(TENSOR3D_DECLARATION(src), IMAGE_DECLARATION(weights), VECTOR_DECLARATION(dst)) |
| { |
| Tensor3D src = CONVERT_TO_TENSOR3D_STRUCT(src); |
| |
| int y = get_global_id(1) * 4; |
| int z = get_global_id(2); |
| |
| __global uchar *current_weights = weights_ptr + weights_offset_first_element_in_bytes + z * weights_stride_y; |
| __global uchar *input_ptr = src.ptr; |
| |
| DATA_TYPE acc0 = (DATA_TYPE)0; |
| DATA_TYPE acc1 = (DATA_TYPE)0; |
| DATA_TYPE acc2 = (DATA_TYPE)0; |
| DATA_TYPE acc3 = (DATA_TYPE)0; |
| |
| // This kernel handle 4 rows in per thread so that it can reuse the weights |
| for(int i = 0; i < SRC_WIDTH; i += 4) |
| { |
| VEC_DATA_TYPE(DATA_TYPE, 4) |
| weights = vload4(0, (__global DATA_TYPE *)(current_weights + i * weights_stride_x)); |
| |
| int4 offset = (int4)i * (int4)src_stride_x + (int4)(0, 1, 2, 3) * (int4)src_stride_y; |
| |
| VEC_DATA_TYPE(DATA_TYPE, 4) |
| tmp0 = vload4(0, (__global DATA_TYPE *)(input_ptr + offset.s0)); |
| VEC_DATA_TYPE(DATA_TYPE, 4) |
| tmp1 = vload4(0, (__global DATA_TYPE *)(input_ptr + offset.s1)); |
| VEC_DATA_TYPE(DATA_TYPE, 4) |
| tmp2 = vload4(0, (__global DATA_TYPE *)(input_ptr + offset.s2)); |
| VEC_DATA_TYPE(DATA_TYPE, 4) |
| tmp3 = vload4(0, (__global DATA_TYPE *)(input_ptr + offset.s3)); |
| |
| acc0 += dot(weights, tmp0); |
| acc1 += dot(weights, tmp1); |
| acc2 += dot(weights, tmp2); |
| acc3 += dot(weights, tmp3); |
| } |
| |
| __global uchar *output_ptr = dst_ptr + dst_offset_first_element_in_bytes + (y + z * SRC_HEIGHT) * dst_stride_x; |
| |
| int rows_left = SRC_HEIGHT - (y + 4); |
| |
| // This if check is used to handle the last few rows when it can't be divided by the four |
| if(rows_left >= 0) |
| { |
| VEC_DATA_TYPE(DATA_TYPE, 4) |
| out = (VEC_DATA_TYPE(DATA_TYPE, 4))(acc0, acc1, acc2, acc3); |
| vstore4(out, 0, (__global DATA_TYPE *)output_ptr); |
| } |
| else |
| { |
| switch(rows_left) |
| { |
| case -1: // three rows left; one is padding |
| *((__global DATA_TYPE *)(output_ptr + 2 * dst_stride_x)) = acc2; |
| case -2: // two rows left; two are padding |
| *((__global DATA_TYPE *)(output_ptr + 1 * dst_stride_x)) = acc1; |
| case -3: // one row left; three are padding |
| *((__global DATA_TYPE *)(output_ptr + 0 * dst_stride_x)) = acc0; |
| break; |
| } |
| } |
| } |
| |
| /** This kernel applies dot product to each plane on the input tensor and the corresponding column of the reshaped weight tensor. |
| * |
| * @note Input data type should be given as a preprocessor argument using -DDATA_TYPE=type, e.g. -DDATA_TYPE=uchar |
| * |
| * @param[in] src_ptr Pointer to the source tensor. Supported data types: QASYMM8/QASYMM8_SIGNED |
| * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @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_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[in] weights_ptr Pointer to the weights tensor. Supported data types: same as @p src_ptr |
| * @param[in] weights_stride_x Stride of the weights tensor in X dimension (in bytes) |
| * @param[in] weights_step_x weights_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] weights_stride_y Stride of the weights tensor in Y dimension (in bytes) |
| * @param[in] weights_step_y weights_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] weights_offset_first_element_in_bytes The offset of the first element in the weights tensor |
| * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: S32 |
| * @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_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| * @param[in] input_offset Input's quantization offset |
| * @param[in] weights_offset Weights's quantization offset |
| */ |
| __kernel void gemm_mv_quantized(TENSOR3D_DECLARATION(src), |
| IMAGE_DECLARATION(weights), |
| VECTOR_DECLARATION(dst), |
| const int input_offset, |
| const int weights_offset) |
| { |
| Tensor3D src = CONVERT_TO_TENSOR3D_STRUCT(src); |
| |
| int y = get_global_id(1) * 4; |
| int z = get_global_id(2); |
| |
| __global uchar *current_weights = weights_ptr + weights_offset_first_element_in_bytes + z * weights_stride_y; |
| __global uchar *input_ptr = src.ptr; |
| |
| int acc0 = 0; |
| int acc1 = 0; |
| int acc2 = 0; |
| int acc3 = 0; |
| |
| // This kernel handle 4 rows in per thread so that it can reuse the weights |
| for(int i = 0; i < SRC_WIDTH; i += 4) |
| { |
| int4 w = convert_int4(vload4(0, (__global DATA_TYPE *)(current_weights + i * weights_stride_x))) + (int4)weights_offset; |
| |
| int4 offset = (int4)i * (int4)src_stride_x + (int4)(0, 1, 2, 3) * (int4)src_stride_y; |
| |
| int4 tmp0 = convert_int4(vload4(0, (__global DATA_TYPE *)(input_ptr + offset.s0))) + (int4)input_offset; |
| int4 tmp1 = convert_int4(vload4(0, (__global DATA_TYPE *)(input_ptr + offset.s1))) + (int4)input_offset; |
| int4 tmp2 = convert_int4(vload4(0, (__global DATA_TYPE *)(input_ptr + offset.s2))) + (int4)input_offset; |
| int4 tmp3 = convert_int4(vload4(0, (__global DATA_TYPE *)(input_ptr + offset.s3))) + (int4)input_offset; |
| |
| // Accumulate |
| acc0 += tmp0.s0 * w.s0 + tmp0.s1 * w.s1 + tmp0.s2 * w.s2 + tmp0.s3 * w.s3; |
| acc1 += tmp1.s0 * w.s0 + tmp1.s1 * w.s1 + tmp1.s2 * w.s2 + tmp1.s3 * w.s3; |
| acc2 += tmp2.s0 * w.s0 + tmp2.s1 * w.s1 + tmp2.s2 * w.s2 + tmp2.s3 * w.s3; |
| acc3 += tmp3.s0 * w.s0 + tmp3.s1 * w.s1 + tmp3.s2 * w.s2 + tmp3.s3 * w.s3; |
| } |
| |
| __global uchar *output_ptr = dst_ptr + dst_offset_first_element_in_bytes + (y + z * SRC_HEIGHT) * dst_stride_x; |
| |
| int rows_left = SRC_HEIGHT - (y + 4); |
| |
| // This if check is used to handle the last few rows when it can't be divided by the four |
| if(rows_left >= 0) |
| { |
| vstore4((int4)(acc0, acc1, acc2, acc3), 0, (__global int *)output_ptr); |
| } |
| else |
| { |
| switch(rows_left) |
| { |
| case -1: // three rows left; one is padding |
| *((__global int *)(output_ptr + 2 * dst_stride_x)) = acc2; |
| case -2: // two rows left; two are padding |
| *((__global int *)(output_ptr + 1 * dst_stride_x)) = acc1; |
| case -3: // one row left; three are padding |
| *((__global int *)(output_ptr + 0 * dst_stride_x)) = acc0; |
| break; |
| } |
| } |
| } |
| #endif /* defined(DATA_TYPE) && defined(SRC_WIDTH) && defined(SRC_HEIGHT) */ |