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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | mjames | 1 | /* |
| 2 | * Copyright (C) 2010-2018 Arm Limited or its affiliates. All rights reserved. |
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| 3 | * |
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| 4 | * SPDX-License-Identifier: Apache-2.0 |
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| 5 | * |
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| 6 | * Licensed under the Apache License, Version 2.0 (the License); you may |
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| 7 | * not use this file except in compliance with the License. |
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| 8 | * You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
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| 14 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | */ |
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| 18 | |||
| 19 | #include "ref_functions.h" |
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| 20 | |||
| 21 | void arm_avepool_q7_HWC_ref(const q7_t * Im_in, // input image |
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| 22 | const uint16_t dim_im_in, // input image dimension |
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| 23 | const uint16_t ch_im_in, // number of input image channels |
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| 24 | const uint16_t dim_kernel, // window kernel size |
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| 25 | const uint16_t padding, // padding sizes |
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| 26 | const uint16_t stride, // stride |
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| 27 | const uint16_t dim_im_out, // output image dimension |
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| 28 | q7_t * bufferA, // a buffer for local storage |
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| 29 | q7_t * Im_out) |
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| 30 | { |
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| 31 | int16_t i_ch_in, i_x, i_y; |
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| 32 | int16_t k_x, k_y; |
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| 33 | |||
| 34 | for (i_ch_in = 0; i_ch_in < ch_im_in; i_ch_in++) |
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| 35 | { |
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| 36 | for (i_y = 0; i_y < dim_im_out; i_y++) |
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| 37 | { |
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| 38 | for (i_x = 0; i_x < dim_im_out; i_x++) |
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| 39 | { |
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| 40 | int sum = 0; |
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| 41 | int count = 0; |
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| 42 | for (k_y = i_y * stride - padding; k_y < i_y * stride - padding + dim_kernel; k_y++) |
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| 43 | { |
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| 44 | for (k_x = i_x * stride - padding; k_x < i_x * stride - padding + dim_kernel; k_x++) |
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| 45 | { |
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| 46 | if (k_y >= 0 && k_x >= 0 && k_y < dim_im_in && k_x < dim_im_in) |
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| 47 | { |
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| 48 | sum += Im_in[i_ch_in + ch_im_in * (k_x + k_y * dim_im_in)]; |
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| 49 | count++; |
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| 50 | } |
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| 51 | } |
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| 52 | } |
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| 53 | Im_out[i_ch_in + ch_im_in * (i_x + i_y * dim_im_out)] = sum / count; |
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| 54 | } |
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| 55 | } |
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| 56 | } |
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| 57 | } |
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| 58 | |||
| 59 | void arm_maxpool_q7_HWC_ref(const q7_t * Im_in, // input image |
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| 60 | const uint16_t dim_im_in, // input image dimension |
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| 61 | const uint16_t ch_im_in, // number of input image channels |
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| 62 | const uint16_t dim_kernel, // window kernel size |
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| 63 | const uint16_t padding, // padding sizes |
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| 64 | const uint16_t stride, // stride |
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| 65 | const uint16_t dim_im_out, // output image dimension |
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| 66 | q7_t * bufferA, // a buffer for local storage |
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| 67 | q7_t * Im_out) |
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| 68 | { |
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| 69 | int16_t i_ch_in, i_x, i_y; |
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| 70 | int16_t k_x, k_y; |
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| 71 | |||
| 72 | for (i_ch_in = 0; i_ch_in < ch_im_in; i_ch_in++) |
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| 73 | { |
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| 74 | for (i_y = 0; i_y < dim_im_out; i_y++) |
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| 75 | { |
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| 76 | for (i_x = 0; i_x < dim_im_out; i_x++) |
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| 77 | { |
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| 78 | int max = -129; |
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| 79 | for (k_y = i_y * stride - padding; k_y < i_y * stride - padding + dim_kernel; k_y++) |
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| 80 | { |
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| 81 | for (k_x = i_x * stride - padding; k_x < i_x * stride - padding + dim_kernel; k_x++) |
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| 82 | { |
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| 83 | if (k_y >= 0 && k_x >= 0 && k_y < dim_im_in && k_x < dim_im_in) |
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| 84 | { |
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| 85 | if (Im_in[i_ch_in + ch_im_in * (k_x + k_y * dim_im_in)] > max) |
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| 86 | { |
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| 87 | max = Im_in[i_ch_in + ch_im_in * (k_x + k_y * dim_im_in)]; |
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| 88 | } |
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| 89 | } |
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| 90 | } |
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| 91 | } |
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| 92 | Im_out[i_ch_in + ch_im_in * (i_x + i_y * dim_im_out)] = max; |
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| 93 | } |
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| 94 | } |
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| 95 | } |
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| 96 | } |