| // Copyright 2019 Google LLC |
| // |
| // This source code is licensed under the BSD-style license found in the |
| // LICENSE file in the root directory of this source tree. |
| |
| #include <assert.h> |
| |
| #include <xnnpack/pavgpool.h> |
| #include <xnnpack/math.h> |
| |
| |
| void xnn_f32_pavgpool_ukernel_up9__scalar( |
| size_t n, |
| size_t ks, |
| size_t kc, |
| const float** input, |
| const float* zero, |
| const float* multiplier, |
| float* output, |
| size_t input_increment, |
| size_t output_increment, |
| const union xnn_f32_output_params params[restrict static 1]) |
| { |
| assert(n != 0); |
| assert(ks != 0); |
| assert(ks <= 9); |
| assert(kc != 0); |
| |
| const float voutput_min = params->scalar.min; |
| const float voutput_max = params->scalar.max; |
| |
| do { |
| const float* i0 = input[0]; |
| const float* i1 = input[1]; |
| const float* i2 = input[2]; |
| const float* i3 = input[3]; |
| const float* i4 = input[4]; |
| const float* i5 = input[5]; |
| const float* i6 = input[6]; |
| const float* i7 = input[7]; |
| const float* i8 = input[8]; |
| input = (const float**) ((uintptr_t) input + input_increment); |
| if (ks < 2) { |
| i1 = zero; |
| } |
| if (ks <= 2) { |
| i2 = zero; |
| } |
| if (ks < 4) { |
| i3 = zero; |
| } |
| if (ks <= 4) { |
| i4 = zero; |
| } |
| if (ks < 6) { |
| i5 = zero; |
| } |
| if (ks <= 6) { |
| i6 = zero; |
| } |
| if (ks < 8) { |
| i7 = zero; |
| } |
| if (ks <= 8) { |
| i8 = zero; |
| } |
| |
| const float vmultiplier = *multiplier++; |
| |
| size_t k = kc; |
| do { |
| const float vi0 = *i0++; |
| const float vi1 = *i1++; |
| const float vi2 = *i2++; |
| const float vi3 = *i3++; |
| const float vi4 = *i4++; |
| const float vi5 = *i5++; |
| const float vi6 = *i6++; |
| const float vi7 = *i7++; |
| const float vi8 = *i8++; |
| |
| const float vsum01 = vi0 + vi1; |
| const float vsum23 = vi2 + vi3; |
| const float vsum45 = vi4 + vi5; |
| const float vsum67 = vi6 + vi7; |
| const float vsum018 = vsum01 + vi8; |
| const float vsum2345 = vsum23 + vsum45; |
| const float vsum01678 = vsum018 + vsum67; |
| const float vsum = vsum2345 + vsum01678; |
| |
| float vout = vsum * vmultiplier; |
| vout = math_max_f32(vout, voutput_min); |
| vout = math_min_f32(vout, voutput_max); |
| |
| *output++ = vout; |
| } while (--k != 0); |
| output = (float*) ((uintptr_t) output + output_increment); |
| } while (--n != 0); |
| } |