| // 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 <arm_neon.h> |
| |
| #include <xnnpack/pavgpool.h> |
| |
| |
| void xnn_f32_pavgpool_minmax_ukernel_9p8x__neon_c4( |
| size_t output_pixels, |
| size_t kernel_elements, |
| size_t channels, |
| const float** input, |
| size_t input_offset, |
| const float* zero, |
| const float* multiplier, |
| float* buffer, |
| float* output, |
| size_t input_increment, |
| size_t output_increment, |
| const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS |
| { |
| assert(output_pixels != 0); |
| assert(kernel_elements > 9); |
| assert(channels != 0); |
| |
| const float32x4_t voutput_min = vld1q_dup_f32(¶ms->scalar.min); |
| const float32x4_t voutput_max = vld1q_dup_f32(¶ms->scalar.max); |
| |
| do { |
| { |
| const float* i0 = *input++; |
| assert(i0 != NULL); |
| if XNN_UNPREDICTABLE(i0 != zero) { |
| i0 = (const float*) ((uintptr_t) i0 + input_offset); |
| } |
| const float* i1 = *input++; |
| assert(i1 != NULL); |
| if XNN_UNPREDICTABLE(i1 != zero) { |
| i1 = (const float*) ((uintptr_t) i1 + input_offset); |
| } |
| const float* i2 = *input++; |
| assert(i2 != NULL); |
| if XNN_UNPREDICTABLE(i2 != zero) { |
| i2 = (const float*) ((uintptr_t) i2 + input_offset); |
| } |
| const float* i3 = *input++; |
| assert(i3 != NULL); |
| if XNN_UNPREDICTABLE(i3 != zero) { |
| i3 = (const float*) ((uintptr_t) i3 + input_offset); |
| } |
| const float* i4 = *input++; |
| assert(i4 != NULL); |
| if XNN_UNPREDICTABLE(i4 != zero) { |
| i4 = (const float*) ((uintptr_t) i4 + input_offset); |
| } |
| const float* i5 = *input++; |
| assert(i5 != NULL); |
| if XNN_UNPREDICTABLE(i5 != zero) { |
| i5 = (const float*) ((uintptr_t) i5 + input_offset); |
| } |
| const float* i6 = *input++; |
| assert(i6 != NULL); |
| if XNN_UNPREDICTABLE(i6 != zero) { |
| i6 = (const float*) ((uintptr_t) i6 + input_offset); |
| } |
| const float* i7 = *input++; |
| assert(i7 != NULL); |
| if XNN_UNPREDICTABLE(i7 != zero) { |
| i7 = (const float*) ((uintptr_t) i7 + input_offset); |
| } |
| const float* i8 = *input++; |
| assert(i8 != NULL); |
| if XNN_UNPREDICTABLE(i8 != zero) { |
| i8 = (const float*) ((uintptr_t) i8 + input_offset); |
| } |
| |
| float* b = buffer; |
| for (size_t c = 0; c < channels; c += 4) { |
| const float32x4_t vi0 = vld1q_f32(i0); i0 += 4; |
| const float32x4_t vi1 = vld1q_f32(i1); i1 += 4; |
| const float32x4_t vi2 = vld1q_f32(i2); i2 += 4; |
| const float32x4_t vi3 = vld1q_f32(i3); i3 += 4; |
| const float32x4_t vi4 = vld1q_f32(i4); i4 += 4; |
| const float32x4_t vi5 = vld1q_f32(i5); i5 += 4; |
| const float32x4_t vi6 = vld1q_f32(i6); i6 += 4; |
| const float32x4_t vi7 = vld1q_f32(i7); i7 += 4; |
| const float32x4_t vi8 = vld1q_f32(i8); i8 += 4; |
| |
| const float32x4_t vsum01 = vaddq_f32(vi0, vi1); |
| const float32x4_t vsum23 = vaddq_f32(vi2, vi3); |
| const float32x4_t vsum45 = vaddq_f32(vi4, vi5); |
| const float32x4_t vsum67 = vaddq_f32(vi6, vi7); |
| const float32x4_t vsum018 = vaddq_f32(vsum01, vi8); |
| const float32x4_t vsum2345 = vaddq_f32(vsum23, vsum45); |
| const float32x4_t vsum01678 = vaddq_f32(vsum018, vsum67); |
| const float32x4_t vsum = vaddq_f32(vsum2345, vsum01678); |
| |
| vst1q_f32(b, vsum); b += 4; |
| } |
| } |
| |
| size_t k = kernel_elements; |
| for (k -= 9; k > 8; k -= 8) { |
| const float* i0 = *input++; |
| assert(i0 != NULL); |
| if XNN_UNPREDICTABLE(i0 != zero) { |
| i0 = (const float*) ((uintptr_t) i0 + input_offset); |
| } |
| const float* i1 = *input++; |
| assert(i1 != NULL); |
| if XNN_UNPREDICTABLE(i1 != zero) { |
| i1 = (const float*) ((uintptr_t) i1 + input_offset); |
| } |
| const float* i2 = *input++; |
| assert(i2 != NULL); |
| if XNN_UNPREDICTABLE(i2 != zero) { |
| i2 = (const float*) ((uintptr_t) i2 + input_offset); |
| } |
| const float* i3 = *input++; |
| assert(i3 != NULL); |
| if XNN_UNPREDICTABLE(i3 != zero) { |
| i3 = (const float*) ((uintptr_t) i3 + input_offset); |
| } |
| const float* i4 = *input++; |
| assert(i4 != NULL); |
| if XNN_UNPREDICTABLE(i4 != zero) { |
| i4 = (const float*) ((uintptr_t) i4 + input_offset); |
| } |
| const float* i5 = *input++; |
| assert(i5 != NULL); |
| if XNN_UNPREDICTABLE(i5 != zero) { |
| i5 = (const float*) ((uintptr_t) i5 + input_offset); |
| } |
| const float* i6 = *input++; |
| assert(i6 != NULL); |
| if XNN_UNPREDICTABLE(i6 != zero) { |
| i6 = (const float*) ((uintptr_t) i6 + input_offset); |
| } |
| const float* i7 = *input++; |
| assert(i7 != NULL); |
| if XNN_UNPREDICTABLE(i7 != zero) { |
| i7 = (const float*) ((uintptr_t) i7 + input_offset); |
| } |
| |
| float* b = buffer; |
| for (size_t c = 0; c < channels; c += 4) { |
| const float32x4_t vi0 = vld1q_f32(i0); i0 += 4; |
| const float32x4_t vi1 = vld1q_f32(i1); i1 += 4; |
| const float32x4_t vi2 = vld1q_f32(i2); i2 += 4; |
| const float32x4_t vi3 = vld1q_f32(i3); i3 += 4; |
| const float32x4_t vi4 = vld1q_f32(i4); i4 += 4; |
| const float32x4_t vi5 = vld1q_f32(i5); i5 += 4; |
| const float32x4_t vi6 = vld1q_f32(i6); i6 += 4; |
| const float32x4_t vi7 = vld1q_f32(i7); i7 += 4; |
| const float32x4_t vacc = vld1q_f32(b); |
| |
| const float32x4_t vsum01 = vaddq_f32(vi0, vi1); |
| const float32x4_t vsum23 = vaddq_f32(vi2, vi3); |
| const float32x4_t vsum45 = vaddq_f32(vi4, vi5); |
| const float32x4_t vsum67 = vaddq_f32(vi6, vi7); |
| const float32x4_t vsum01a = vaddq_f32(vsum01, vacc); |
| const float32x4_t vsum2345 = vaddq_f32(vsum23, vsum45); |
| const float32x4_t vsum0167a = vaddq_f32(vsum01a, vsum67); |
| const float32x4_t vsum = vaddq_f32(vsum2345, vsum0167a); |
| |
| vst1q_f32(b, vsum); b += 4; |
| } |
| } |
| |
| { |
| const float* i0 = input[0]; |
| assert(i0 != NULL); |
| 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]; |
| input = (const float**) ((uintptr_t) input + input_increment); |
| if (k < 2) { |
| i1 = zero; |
| } |
| assert(i1 != NULL); |
| if (k <= 2) { |
| i2 = zero; |
| } |
| assert(i2 != NULL); |
| if (k < 4) { |
| i3 = zero; |
| } |
| assert(i3 != NULL); |
| if (k <= 4) { |
| i4 = zero; |
| } |
| assert(i4 != NULL); |
| if (k < 6) { |
| i5 = zero; |
| } |
| assert(i5 != NULL); |
| if (k <= 6) { |
| i6 = zero; |
| } |
| assert(i6 != NULL); |
| if (k < 8) { |
| i7 = zero; |
| } |
| assert(i7 != NULL); |
| if XNN_UNPREDICTABLE(i0 != zero) { |
| i0 = (const float*) ((uintptr_t) i0 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i1 != zero) { |
| i1 = (const float*) ((uintptr_t) i1 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i2 != zero) { |
| i2 = (const float*) ((uintptr_t) i2 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i3 != zero) { |
| i3 = (const float*) ((uintptr_t) i3 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i4 != zero) { |
| i4 = (const float*) ((uintptr_t) i4 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i5 != zero) { |
| i5 = (const float*) ((uintptr_t) i5 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i6 != zero) { |
| i6 = (const float*) ((uintptr_t) i6 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i7 != zero) { |
| i7 = (const float*) ((uintptr_t) i7 + input_offset); |
| } |
| |
| const float32x4_t vmultiplier = vld1q_dup_f32(multiplier); multiplier += 1; |
| |
| size_t c = channels; |
| float* b = buffer; |
| while (c >= 4) { |
| const float32x4_t vi0 = vld1q_f32(i0); i0 += 4; |
| const float32x4_t vi1 = vld1q_f32(i1); i1 += 4; |
| const float32x4_t vi2 = vld1q_f32(i2); i2 += 4; |
| const float32x4_t vi3 = vld1q_f32(i3); i3 += 4; |
| const float32x4_t vi4 = vld1q_f32(i4); i4 += 4; |
| const float32x4_t vi5 = vld1q_f32(i5); i5 += 4; |
| const float32x4_t vi6 = vld1q_f32(i6); i6 += 4; |
| const float32x4_t vi7 = vld1q_f32(i7); i7 += 4; |
| const float32x4_t vacc = vld1q_f32(b); b += 4; |
| |
| const float32x4_t vsum01 = vaddq_f32(vi0, vi1); |
| const float32x4_t vsum23 = vaddq_f32(vi2, vi3); |
| const float32x4_t vsum45 = vaddq_f32(vi4, vi5); |
| const float32x4_t vsum67 = vaddq_f32(vi6, vi7); |
| const float32x4_t vsum01a = vaddq_f32(vsum01, vacc); |
| const float32x4_t vsum2345 = vaddq_f32(vsum23, vsum45); |
| const float32x4_t vsum0167a = vaddq_f32(vsum01a, vsum67); |
| const float32x4_t vsum = vaddq_f32(vsum2345, vsum0167a); |
| |
| float32x4_t vout = vmulq_f32(vsum, vmultiplier); |
| vout = vmaxq_f32(vout, voutput_min); |
| vout = vminq_f32(vout, voutput_max); |
| |
| vst1q_f32(output, vout); output += 4; |
| |
| c -= 4; |
| } |
| if (c != 0) { |
| const float32x4_t vi0 = vld1q_f32(i0); |
| const float32x4_t vi1 = vld1q_f32(i1); |
| const float32x4_t vi2 = vld1q_f32(i2); |
| const float32x4_t vi3 = vld1q_f32(i3); |
| const float32x4_t vi4 = vld1q_f32(i4); |
| const float32x4_t vi5 = vld1q_f32(i5); |
| const float32x4_t vi6 = vld1q_f32(i6); |
| const float32x4_t vi7 = vld1q_f32(i7); |
| const float32x4_t vacc = vld1q_f32(b); |
| |
| const float32x4_t vsum01 = vaddq_f32(vi0, vi1); |
| const float32x4_t vsum23 = vaddq_f32(vi2, vi3); |
| const float32x4_t vsum45 = vaddq_f32(vi4, vi5); |
| const float32x4_t vsum67 = vaddq_f32(vi6, vi7); |
| const float32x4_t vsum01a = vaddq_f32(vsum01, vacc); |
| const float32x4_t vsum2345 = vaddq_f32(vsum23, vsum45); |
| const float32x4_t vsum0167a = vaddq_f32(vsum01a, vsum67); |
| const float32x4_t vsum = vaddq_f32(vsum2345, vsum0167a); |
| |
| float32x4_t vout = vmulq_f32(vsum, vmultiplier); |
| vout = vmaxq_f32(vout, voutput_min); |
| vout = vminq_f32(vout, voutput_max); |
| |
| float32x2_t vout_lo = vget_low_f32(vout); |
| if (c & 2) { |
| vst1_f32(output, vout_lo); output += 2; |
| vout_lo = vget_high_f32(vout); |
| } |
| if (c & 1) { |
| vst1_lane_f32(output, vout_lo, 0); output += 1; |
| } |
| } |
| } |
| output = (float*) ((uintptr_t) output + output_increment); |
| } while (--output_pixels != 0); |
| } |