Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 1 | /* |
Georgios Pinitas | ddb93bb | 2020-10-02 16:38:59 +0100 | [diff] [blame^] | 2 | * Copyright (c) 2017-2020 Arm Limited. |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 25 | #ifndef ARM_COMPUTE_NECONVOLUTIONKERNEL3x3_H |
| 26 | #define ARM_COMPUTE_NECONVOLUTIONKERNEL3x3_H |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 27 | |
| 28 | #include <arm_neon.h> |
| 29 | |
| 30 | namespace arm_compute |
| 31 | { |
| 32 | namespace detail |
| 33 | { |
| 34 | inline float32x4x3_t load_matrix_row(const float *ptr) |
| 35 | { |
| 36 | const float32x4x3_t r = |
| 37 | { |
| 38 | { |
| 39 | vld1q_dup_f32(ptr), |
| 40 | vld1q_dup_f32(1 + ptr), |
| 41 | vld1q_dup_f32(2 + ptr) |
| 42 | } |
| 43 | }; |
| 44 | return r; |
| 45 | } |
| 46 | |
| 47 | template <unsigned int stridex> |
Vidhya Sudhan Loganathan | 7485d5a | 2018-07-04 09:34:00 +0100 | [diff] [blame] | 48 | float32x4x2_t convolve_3x3(const float *in_top, const float *in_mid, const float *in_low, const float32x4x3_t &m0, const float32x4x3_t &m1, const float32x4x3_t &m2); |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 49 | |
| 50 | template <> |
Vidhya Sudhan Loganathan | 7485d5a | 2018-07-04 09:34:00 +0100 | [diff] [blame] | 51 | inline float32x4x2_t convolve_3x3<1>(const float *in_top, const float *in_mid, const float *in_low, const float32x4x3_t &m0, const float32x4x3_t &m1, const float32x4x3_t &m2) |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 52 | { |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 53 | const float32x4x3_t vtop = |
| 54 | { |
| 55 | { |
| 56 | vld1q_f32(in_top), |
| 57 | vld1q_f32(in_top + 4), |
| 58 | vld1q_f32(in_top + 8) |
| 59 | } |
| 60 | }; |
| 61 | const float32x4x3_t vmid = |
| 62 | { |
| 63 | { |
| 64 | vld1q_f32(in_mid), |
| 65 | vld1q_f32(in_mid + 4), |
| 66 | vld1q_f32(in_mid + 8) |
| 67 | } |
| 68 | }; |
| 69 | const float32x4x3_t vlow = |
| 70 | { |
| 71 | { |
| 72 | vld1q_f32(in_low), |
| 73 | vld1q_f32(in_low + 4), |
| 74 | vld1q_f32(in_low + 8) |
| 75 | } |
| 76 | }; |
| 77 | float32x4x2_t out = |
| 78 | { |
| 79 | { |
| 80 | vmulq_f32(vtop.val[0], m0.val[0]), |
| 81 | vmulq_f32(vtop.val[1], m0.val[0]) |
| 82 | } |
| 83 | }; |
| 84 | out.val[0] = vmlaq_f32(out.val[0], vextq_f32(vtop.val[0], vtop.val[1], 1), m0.val[1]); |
| 85 | out.val[0] = vmlaq_f32(out.val[0], vextq_f32(vtop.val[0], vtop.val[1], 2), m0.val[2]); |
| 86 | |
| 87 | out.val[0] = vmlaq_f32(out.val[0], vmid.val[0], m1.val[0]); |
| 88 | out.val[0] = vmlaq_f32(out.val[0], vextq_f32(vmid.val[0], vmid.val[1], 1), m1.val[1]); |
| 89 | out.val[0] = vmlaq_f32(out.val[0], vextq_f32(vmid.val[0], vmid.val[1], 2), m1.val[2]); |
| 90 | |
| 91 | out.val[0] = vmlaq_f32(out.val[0], vlow.val[0], m2.val[0]); |
| 92 | out.val[0] = vmlaq_f32(out.val[0], vextq_f32(vlow.val[0], vlow.val[1], 1), m2.val[1]); |
| 93 | out.val[0] = vmlaq_f32(out.val[0], vextq_f32(vlow.val[0], vlow.val[1], 2), m2.val[2]); |
| 94 | |
| 95 | out.val[1] = vmlaq_f32(out.val[1], vextq_f32(vtop.val[1], vtop.val[2], 1), m0.val[1]); |
| 96 | out.val[1] = vmlaq_f32(out.val[1], vextq_f32(vtop.val[1], vtop.val[2], 2), m0.val[2]); |
| 97 | |
| 98 | out.val[1] = vmlaq_f32(out.val[1], vmid.val[1], m1.val[0]); |
| 99 | out.val[1] = vmlaq_f32(out.val[1], vextq_f32(vmid.val[1], vmid.val[2], 1), m1.val[1]); |
| 100 | out.val[1] = vmlaq_f32(out.val[1], vextq_f32(vmid.val[1], vmid.val[2], 2), m1.val[2]); |
| 101 | |
| 102 | out.val[1] = vmlaq_f32(out.val[1], vlow.val[1], m2.val[0]); |
| 103 | out.val[1] = vmlaq_f32(out.val[1], vextq_f32(vlow.val[1], vlow.val[2], 1), m2.val[1]); |
| 104 | out.val[1] = vmlaq_f32(out.val[1], vextq_f32(vlow.val[1], vlow.val[2], 2), m2.val[2]); |
| 105 | return out; |
| 106 | } |
| 107 | |
| 108 | template <> |
Vidhya Sudhan Loganathan | 7485d5a | 2018-07-04 09:34:00 +0100 | [diff] [blame] | 109 | inline float32x4x2_t convolve_3x3<2>(const float *in_top, const float *in_mid, const float *in_low, const float32x4x3_t &m0, const float32x4x3_t &m1, const float32x4x3_t &m2) |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 110 | { |
Vidhya Sudhan Loganathan | 7485d5a | 2018-07-04 09:34:00 +0100 | [diff] [blame] | 111 | float32x4x2_t out = convolve_3x3<1>(in_top, in_mid, in_low, m0, m1, m2); |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 112 | out.val[0] = vsetq_lane_f32(vgetq_lane_f32(out.val[0], 2), out.val[0], 1); |
| 113 | out.val[0] = vsetq_lane_f32(vgetq_lane_f32(out.val[1], 0), out.val[0], 2); |
| 114 | out.val[0] = vsetq_lane_f32(vgetq_lane_f32(out.val[1], 2), out.val[0], 3); |
| 115 | return out; |
| 116 | } |
| 117 | |
| 118 | template <> |
Vidhya Sudhan Loganathan | 7485d5a | 2018-07-04 09:34:00 +0100 | [diff] [blame] | 119 | inline float32x4x2_t convolve_3x3<3>(const float *in_top, const float *in_mid, const float *in_low, const float32x4x3_t &m0, const float32x4x3_t &m1, const float32x4x3_t &m2) |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 120 | { |
Vidhya Sudhan Loganathan | 7485d5a | 2018-07-04 09:34:00 +0100 | [diff] [blame] | 121 | float32x4x2_t out = convolve_3x3<1>(in_top, in_mid, in_low, m0, m1, m2); |
Michalis Spyrou | b7b3153 | 2017-11-23 12:10:21 +0000 | [diff] [blame] | 122 | out.val[0] = vsetq_lane_f32(vgetq_lane_f32(out.val[0], 3), out.val[0], 1); |
| 123 | return out; |
| 124 | } |
| 125 | |
| 126 | template <unsigned int stridex> |
| 127 | void store_results(float *buffer, const float32x4x2_t &values); |
| 128 | |
| 129 | template <> |
| 130 | void store_results<1>(float *buffer, const float32x4x2_t &values) |
| 131 | { |
| 132 | vst1q_f32(buffer, values.val[0]); |
| 133 | vst1q_f32(buffer + 4, values.val[1]); |
| 134 | } |
| 135 | |
| 136 | template <> |
| 137 | void store_results<2>(float *buffer, const float32x4x2_t &values) |
| 138 | { |
| 139 | vst1q_f32(buffer, values.val[0]); |
| 140 | } |
| 141 | |
| 142 | template <> |
| 143 | void store_results<3>(float *buffer, const float32x4x2_t &values) |
| 144 | { |
| 145 | vst1_f32(buffer, vget_low_f32(values.val[0])); |
| 146 | } |
| 147 | |
| 148 | template <unsigned int stridex> |
| 149 | int get_input_num_elems_processed(unsigned int num_elems_written_per_iteration); |
| 150 | |
| 151 | template <> |
| 152 | int get_input_num_elems_processed<1>(unsigned int num_elems_written_per_iteration) |
| 153 | { |
| 154 | return num_elems_written_per_iteration; |
| 155 | } |
| 156 | |
| 157 | template <> |
| 158 | int get_input_num_elems_processed<2>(unsigned int num_elems_written_per_iteration) |
| 159 | { |
| 160 | return num_elems_written_per_iteration << 1; |
| 161 | } |
| 162 | |
| 163 | template <> |
| 164 | int get_input_num_elems_processed<3>(unsigned int num_elems_written_per_iteration) |
| 165 | { |
| 166 | return num_elems_written_per_iteration * 3; |
| 167 | } |
| 168 | } |
| 169 | } // namespace arm_compute |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 170 | #endif /* ARM_COMPUTE_NECONVOLUTIONKERNEL3x3_H */ |