| // Copyright 2022 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/avgpool.h> |
| |
| |
| void xnn_f16_avgpool_minmax_ukernel_9p8x__neonfp16arith_c8( |
| size_t output_pixels, |
| size_t kernel_elements, |
| size_t channels, |
| const void** input, |
| size_t input_offset, |
| const void* zero, |
| void* buffer, |
| void* output, |
| size_t input_increment, |
| size_t output_increment, |
| const union xnn_f16_scaleminmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS |
| { |
| assert(output_pixels != 0); |
| assert(kernel_elements > 9); |
| assert(channels != 0); |
| |
| const float16x8_t vscale = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neon.scale)); |
| const float16x8_t vmin = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neon.min)); |
| const float16x8_t vmax = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neon.max)); |
| |
| do { |
| { |
| const __fp16* i0 = *input++; |
| assert(i0 != NULL); |
| if XNN_UNPREDICTABLE(i0 != zero) { |
| i0 = (const __fp16*) ((uintptr_t) i0 + input_offset); |
| } |
| const __fp16* i1 = *input++; |
| assert(i1 != NULL); |
| if XNN_UNPREDICTABLE(i1 != zero) { |
| i1 = (const __fp16*) ((uintptr_t) i1 + input_offset); |
| } |
| const __fp16* i2 = *input++; |
| assert(i2 != NULL); |
| if XNN_UNPREDICTABLE(i2 != zero) { |
| i2 = (const __fp16*) ((uintptr_t) i2 + input_offset); |
| } |
| const __fp16* i3 = *input++; |
| assert(i3 != NULL); |
| if XNN_UNPREDICTABLE(i3 != zero) { |
| i3 = (const __fp16*) ((uintptr_t) i3 + input_offset); |
| } |
| const __fp16* i4 = *input++; |
| assert(i4 != NULL); |
| if XNN_UNPREDICTABLE(i4 != zero) { |
| i4 = (const __fp16*) ((uintptr_t) i4 + input_offset); |
| } |
| const __fp16* i5 = *input++; |
| assert(i5 != NULL); |
| if XNN_UNPREDICTABLE(i5 != zero) { |
| i5 = (const __fp16*) ((uintptr_t) i5 + input_offset); |
| } |
| const __fp16* i6 = *input++; |
| assert(i6 != NULL); |
| if XNN_UNPREDICTABLE(i6 != zero) { |
| i6 = (const __fp16*) ((uintptr_t) i6 + input_offset); |
| } |
| const __fp16* i7 = *input++; |
| assert(i7 != NULL); |
| if XNN_UNPREDICTABLE(i7 != zero) { |
| i7 = (const __fp16*) ((uintptr_t) i7 + input_offset); |
| } |
| const __fp16* i8 = *input++; |
| assert(i8 != NULL); |
| if XNN_UNPREDICTABLE(i8 != zero) { |
| i8 = (const __fp16*) ((uintptr_t) i8 + input_offset); |
| } |
| |
| __fp16* b = (__fp16*) buffer; |
| for (size_t c = 0; c < channels; c += 8) { |
| const float16x8_t vi0 = vld1q_f16(i0); i0 += 8; |
| const float16x8_t vi1 = vld1q_f16(i1); i1 += 8; |
| const float16x8_t vi2 = vld1q_f16(i2); i2 += 8; |
| const float16x8_t vi3 = vld1q_f16(i3); i3 += 8; |
| const float16x8_t vi4 = vld1q_f16(i4); i4 += 8; |
| const float16x8_t vi5 = vld1q_f16(i5); i5 += 8; |
| const float16x8_t vi6 = vld1q_f16(i6); i6 += 8; |
| const float16x8_t vi7 = vld1q_f16(i7); i7 += 8; |
| const float16x8_t vi8 = vld1q_f16(i8); i8 += 8; |
| |
| const float16x8_t vsum01 = vaddq_f16(vi0, vi1); |
| const float16x8_t vsum23 = vaddq_f16(vi2, vi3); |
| const float16x8_t vsum45 = vaddq_f16(vi4, vi5); |
| const float16x8_t vsum67 = vaddq_f16(vi6, vi7); |
| const float16x8_t vsum018 = vaddq_f16(vsum01, vi8); |
| const float16x8_t vsum2345 = vaddq_f16(vsum23, vsum45); |
| const float16x8_t vsum01678 = vaddq_f16(vsum018, vsum67); |
| const float16x8_t vsum = vaddq_f16(vsum2345, vsum01678); |
| |
| vst1q_f16(b, vsum); b += 8; |
| } |
| } |
| |
| size_t k = kernel_elements; |
| for (k -= 9; k > 8; k -= 8) { |
| const __fp16* i0 = (const __fp16*) *input++; |
| assert(i0 != NULL); |
| if XNN_UNPREDICTABLE(i0 != zero) { |
| i0 = (const __fp16*) ((uintptr_t) i0 + input_offset); |
| } |
| const __fp16* i1 = (const __fp16*) *input++; |
| assert(i1 != NULL); |
| if XNN_UNPREDICTABLE(i1 != zero) { |
| i1 = (const __fp16*) ((uintptr_t) i1 + input_offset); |
| } |
| const __fp16* i2 = (const __fp16*) *input++; |
| assert(i2 != NULL); |
| if XNN_UNPREDICTABLE(i2 != zero) { |
| i2 = (const __fp16*) ((uintptr_t) i2 + input_offset); |
| } |
| const __fp16* i3 = (const __fp16*) *input++; |
| assert(i3 != NULL); |
| if XNN_UNPREDICTABLE(i3 != zero) { |
| i3 = (const __fp16*) ((uintptr_t) i3 + input_offset); |
| } |
| const __fp16* i4 = (const __fp16*) *input++; |
| assert(i4 != NULL); |
| if XNN_UNPREDICTABLE(i4 != zero) { |
| i4 = (const __fp16*) ((uintptr_t) i4 + input_offset); |
| } |
| const __fp16* i5 = (const __fp16*) *input++; |
| assert(i5 != NULL); |
| if XNN_UNPREDICTABLE(i5 != zero) { |
| i5 = (const __fp16*) ((uintptr_t) i5 + input_offset); |
| } |
| const __fp16* i6 = (const __fp16*) *input++; |
| assert(i6 != NULL); |
| if XNN_UNPREDICTABLE(i6 != zero) { |
| i6 = (const __fp16*) ((uintptr_t) i6 + input_offset); |
| } |
| const __fp16* i7 = (const __fp16*) *input++; |
| assert(i7 != NULL); |
| if XNN_UNPREDICTABLE(i7 != zero) { |
| i7 = (const __fp16*) ((uintptr_t) i7 + input_offset); |
| } |
| |
| __fp16* b = (__fp16*) buffer; |
| for (size_t c = 0; c < channels; c += 8) { |
| const float16x8_t vi0 = vld1q_f16(i0); i0 += 8; |
| const float16x8_t vi1 = vld1q_f16(i1); i1 += 8; |
| const float16x8_t vi2 = vld1q_f16(i2); i2 += 8; |
| const float16x8_t vi3 = vld1q_f16(i3); i3 += 8; |
| const float16x8_t vi4 = vld1q_f16(i4); i4 += 8; |
| const float16x8_t vi5 = vld1q_f16(i5); i5 += 8; |
| const float16x8_t vi6 = vld1q_f16(i6); i6 += 8; |
| const float16x8_t vi7 = vld1q_f16(i7); i7 += 8; |
| const float16x8_t vacc = vld1q_f16(b); |
| |
| const float16x8_t vsum01 = vaddq_f16(vi0, vi1); |
| const float16x8_t vsum23 = vaddq_f16(vi2, vi3); |
| const float16x8_t vsum45 = vaddq_f16(vi4, vi5); |
| const float16x8_t vsum67 = vaddq_f16(vi6, vi7); |
| const float16x8_t vsum01a = vaddq_f16(vsum01, vacc); |
| const float16x8_t vsum2345 = vaddq_f16(vsum23, vsum45); |
| const float16x8_t vsum0167a = vaddq_f16(vsum01a, vsum67); |
| const float16x8_t vsum = vaddq_f16(vsum2345, vsum0167a); |
| |
| vst1q_f16(b, vsum); b += 8; |
| } |
| } |
| |
| assert(k >= 1); |
| { |
| const __fp16* i0 = (const __fp16*) input[0]; |
| assert(i0 != NULL); |
| const __fp16* i1 = (const __fp16*) input[1]; |
| const __fp16* i2 = (const __fp16*) input[2]; |
| const __fp16* i3 = (const __fp16*) input[3]; |
| const __fp16* i4 = (const __fp16*) input[4]; |
| const __fp16* i5 = (const __fp16*) input[5]; |
| const __fp16* i6 = (const __fp16*) input[6]; |
| const __fp16* i7 = (const __fp16*) input[7]; |
| input = (const void**) ((uintptr_t) input + input_increment); |
| if (k < 2) { |
| i1 = (const __fp16*) zero; |
| } |
| assert(i1 != NULL); |
| if (k <= 2) { |
| i2 = (const __fp16*) zero; |
| } |
| assert(i2 != NULL); |
| if (k < 4) { |
| i3 = (const __fp16*) zero; |
| } |
| assert(i3 != NULL); |
| if (k <= 4) { |
| i4 = (const __fp16*) zero; |
| } |
| assert(i4 != NULL); |
| if (k < 6) { |
| i5 = (const __fp16*) zero; |
| } |
| assert(i5 != NULL); |
| if (k <= 6) { |
| i6 = (const __fp16*) zero; |
| } |
| assert(i6 != NULL); |
| if (k < 8) { |
| i7 = (const __fp16*) zero; |
| } |
| assert(i7 != NULL); |
| if XNN_UNPREDICTABLE(i0 != zero) { |
| i0 = (const __fp16*) ((uintptr_t) i0 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i1 != zero) { |
| i1 = (const __fp16*) ((uintptr_t) i1 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i2 != zero) { |
| i2 = (const __fp16*) ((uintptr_t) i2 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i3 != zero) { |
| i3 = (const __fp16*) ((uintptr_t) i3 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i4 != zero) { |
| i4 = (const __fp16*) ((uintptr_t) i4 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i5 != zero) { |
| i5 = (const __fp16*) ((uintptr_t) i5 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i6 != zero) { |
| i6 = (const __fp16*) ((uintptr_t) i6 + input_offset); |
| } |
| if XNN_UNPREDICTABLE(i7 != zero) { |
| i7 = (const __fp16*) ((uintptr_t) i7 + input_offset); |
| } |
| |
| size_t c = channels; |
| __fp16* b = (__fp16*) buffer; |
| while (c >= 8) { |
| const float16x8_t vi0 = vld1q_f16(i0); i0 += 8; |
| const float16x8_t vi1 = vld1q_f16(i1); i1 += 8; |
| const float16x8_t vi2 = vld1q_f16(i2); i2 += 8; |
| const float16x8_t vi3 = vld1q_f16(i3); i3 += 8; |
| const float16x8_t vi4 = vld1q_f16(i4); i4 += 8; |
| const float16x8_t vi5 = vld1q_f16(i5); i5 += 8; |
| const float16x8_t vi6 = vld1q_f16(i6); i6 += 8; |
| const float16x8_t vi7 = vld1q_f16(i7); i7 += 8; |
| const float16x8_t vacc = vld1q_f16(b); b += 8; |
| |
| const float16x8_t vsum01 = vaddq_f16(vi0, vi1); |
| const float16x8_t vsum23 = vaddq_f16(vi2, vi3); |
| const float16x8_t vsum45 = vaddq_f16(vi4, vi5); |
| const float16x8_t vsum67 = vaddq_f16(vi6, vi7); |
| const float16x8_t vsum01a = vaddq_f16(vsum01, vacc); |
| const float16x8_t vsum2345 = vaddq_f16(vsum23, vsum45); |
| const float16x8_t vsum0167a = vaddq_f16(vsum01a, vsum67); |
| const float16x8_t vsum = vaddq_f16(vsum2345, vsum0167a); |
| |
| float16x8_t vout = vmulq_f16(vsum, vscale); |
| vout = vmaxq_f16(vout, vmin); |
| vout = vminq_f16(vout, vmax); |
| |
| vst1q_f16(output, vout); output = (__fp16*) output + 8; |
| |
| c -= 8; |
| } |
| if (c != 0) { |
| const float16x8_t vi0 = vld1q_f16(i0); |
| const float16x8_t vi1 = vld1q_f16(i1); |
| const float16x8_t vi2 = vld1q_f16(i2); |
| const float16x8_t vi3 = vld1q_f16(i3); |
| const float16x8_t vi4 = vld1q_f16(i4); |
| const float16x8_t vi5 = vld1q_f16(i5); |
| const float16x8_t vi6 = vld1q_f16(i6); |
| const float16x8_t vi7 = vld1q_f16(i7); |
| const float16x8_t vacc = vld1q_f16(b); |
| |
| const float16x8_t vsum01 = vaddq_f16(vi0, vi1); |
| const float16x8_t vsum23 = vaddq_f16(vi2, vi3); |
| const float16x8_t vsum45 = vaddq_f16(vi4, vi5); |
| const float16x8_t vsum67 = vaddq_f16(vi6, vi7); |
| const float16x8_t vsum01a = vaddq_f16(vsum01, vacc); |
| const float16x8_t vsum2345 = vaddq_f16(vsum23, vsum45); |
| const float16x8_t vsum0167a = vaddq_f16(vsum01a, vsum67); |
| const float16x8_t vsum = vaddq_f16(vsum2345, vsum0167a); |
| |
| float16x8_t vout = vmulq_f16(vsum, vscale); |
| vout = vmaxq_f16(vout, vmin); |
| vout = vminq_f16(vout, vmax); |
| |
| float16x4_t vout_lo = vget_low_f16(vout); |
| if (c & 4) { |
| vst1_f16(output, vout_lo); output = (__fp16*) output + 4; |
| vout_lo = vget_high_f16(vout); |
| } |
| if (c & 2) { |
| vst1_lane_u32(output, vreinterpret_u32_f16(vout_lo), 0); output = (__fp16*) output + 2; |
| vout_lo = vext_f16(vout_lo, vout_lo, 2); |
| } |
| if (c & 1) { |
| vst1_lane_f16(output, vout_lo, 0); output = (__fp16*) output + 1; |
| } |
| } |
| } |
| output = (__fp16*) ((uintptr_t) output + output_increment); |
| } while (--output_pixels != 0); |
| } |