| // 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 <emmintrin.h> |
| |
| #include <xnnpack/argmaxpool.h> |
| |
| |
| void xnn_f32_argmaxpool_ukernel_9x__sse2_c4( |
| size_t output_pixels, |
| size_t pooling_elements, |
| size_t channels, |
| const float** input, |
| size_t input_offset, |
| float* output, |
| uint32_t* index, |
| size_t input_increment, |
| size_t output_increment, |
| const union xnn_f32_output_params params[restrict static 1]) |
| { |
| assert(output_pixels != 0); |
| assert(pooling_elements != 0); |
| assert(pooling_elements <= 9); |
| assert(channels != 0); |
| |
| const __m128 voutput_max = _mm_load_ps(params->sse.max); |
| const __m128 voutput_min = _mm_load_ps(params->sse.min); |
| do { |
| float* o = output; |
| uint32_t* i = index; |
| |
| 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]; |
| i0 = (const float*) ((uintptr_t) i0 + input_offset); |
| i1 = (const float*) ((uintptr_t) i1 + input_offset); |
| i2 = (const float*) ((uintptr_t) i2 + input_offset); |
| i3 = (const float*) ((uintptr_t) i3 + input_offset); |
| i4 = (const float*) ((uintptr_t) i4 + input_offset); |
| i5 = (const float*) ((uintptr_t) i5 + input_offset); |
| i6 = (const float*) ((uintptr_t) i6 + input_offset); |
| i7 = (const float*) ((uintptr_t) i7 + input_offset); |
| i8 = (const float*) ((uintptr_t) i8 + input_offset); |
| if (pooling_elements < 2) { |
| i1 = i0; |
| } |
| if (pooling_elements <= 2) { |
| i2 = i0; |
| } |
| if (pooling_elements < 4) { |
| i3 = i0; |
| } |
| if (pooling_elements <= 4) { |
| i4 = i0; |
| } |
| if (pooling_elements < 6) { |
| i5 = i0; |
| } |
| if (pooling_elements <= 6) { |
| i6 = i0; |
| } |
| if (pooling_elements < 8) { |
| i7 = i0; |
| } |
| if (pooling_elements <= 8) { |
| i8 = i0; |
| } |
| |
| size_t c = channels; |
| for (; c >= 4; c -= 4) { |
| const __m128 vi0 = _mm_loadu_ps(i0); |
| i0 += 4; |
| const __m128 vi1 = _mm_loadu_ps(i1); |
| i1 += 4; |
| const __m128 vi2 = _mm_loadu_ps(i2); |
| i2 += 4; |
| const __m128 vi3 = _mm_loadu_ps(i3); |
| i3 += 4; |
| const __m128 vi4 = _mm_loadu_ps(i4); |
| i4 += 4; |
| const __m128 vi5 = _mm_loadu_ps(i5); |
| i5 += 4; |
| const __m128 vi6 = _mm_loadu_ps(i6); |
| i6 += 4; |
| const __m128 vi7 = _mm_loadu_ps(i7); |
| i7 += 4; |
| const __m128 vi8 = _mm_loadu_ps(i8); |
| i8 += 4; |
| |
| __m128 vmax = vi0; |
| __m128i vidx = _mm_setzero_si128(); |
| |
| const __m128i vm1 = _mm_castps_si128(_mm_cmpgt_ps(vi1, vmax)); |
| vmax = _mm_max_ps(vi1, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm1, vidx), _mm_and_si128(vm1, _mm_set1_epi32(1))); |
| |
| const __m128i vm2 = _mm_castps_si128(_mm_cmpgt_ps(vi2, vmax)); |
| vmax = _mm_max_ps(vi2, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm2, vidx), _mm_and_si128(vm2, _mm_set1_epi32(2))); |
| |
| const __m128i vm3 = _mm_castps_si128(_mm_cmpgt_ps(vi3, vmax)); |
| vmax = _mm_max_ps(vi3, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm3, vidx), _mm_and_si128(vm3, _mm_set1_epi32(3))); |
| |
| const __m128i vm4 = _mm_castps_si128(_mm_cmpgt_ps(vi4, vmax)); |
| vmax = _mm_max_ps(vi4, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm4, vidx), _mm_and_si128(vm4, _mm_set1_epi32(4))); |
| |
| const __m128i vm5 = _mm_castps_si128(_mm_cmpgt_ps(vi5, vmax)); |
| vmax = _mm_max_ps(vi5, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm5, vidx), _mm_and_si128(vm5, _mm_set1_epi32(5))); |
| |
| const __m128i vm6 = _mm_castps_si128(_mm_cmpgt_ps(vi6, vmax)); |
| vmax = _mm_max_ps(vi6, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm6, vidx), _mm_and_si128(vm6, _mm_set1_epi32(6))); |
| |
| const __m128i vm7 = _mm_castps_si128(_mm_cmpgt_ps(vi7, vmax)); |
| vmax = _mm_max_ps(vi7, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm7, vidx), _mm_and_si128(vm7, _mm_set1_epi32(7))); |
| |
| const __m128i vm8 = _mm_castps_si128(_mm_cmpgt_ps(vi8, vmax)); |
| vmax = _mm_max_ps(vi8, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm8, vidx), _mm_and_si128(vm8, _mm_set1_epi32(8))); |
| |
| const __m128 vout = _mm_max_ps(_mm_min_ps(vmax, voutput_max), voutput_min); |
| |
| _mm_storeu_ps(o, vout); |
| o += 4; |
| _mm_storeu_si128((__m128i*) i, vidx); |
| i += 4; |
| } |
| if (c != 0) { |
| const __m128 vi0 = _mm_loadu_ps(i0); |
| const __m128 vi1 = _mm_loadu_ps(i1); |
| const __m128 vi2 = _mm_loadu_ps(i2); |
| const __m128 vi3 = _mm_loadu_ps(i3); |
| const __m128 vi4 = _mm_loadu_ps(i4); |
| const __m128 vi5 = _mm_loadu_ps(i5); |
| const __m128 vi6 = _mm_loadu_ps(i6); |
| const __m128 vi7 = _mm_loadu_ps(i7); |
| const __m128 vi8 = _mm_loadu_ps(i8); |
| |
| __m128 vmax = vi0; |
| __m128i vidx = _mm_setzero_si128(); |
| |
| const __m128i vm1 = _mm_castps_si128(_mm_cmpgt_ps(vi1, vmax)); |
| vmax = _mm_max_ps(vi1, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm1, vidx), _mm_and_si128(vm1, _mm_set1_epi32(1))); |
| |
| const __m128i vm2 = _mm_castps_si128(_mm_cmpgt_ps(vi2, vmax)); |
| vmax = _mm_max_ps(vi2, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm2, vidx), _mm_and_si128(vm2, _mm_set1_epi32(2))); |
| |
| const __m128i vm3 = _mm_castps_si128(_mm_cmpgt_ps(vi3, vmax)); |
| vmax = _mm_max_ps(vi3, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm3, vidx), _mm_and_si128(vm3, _mm_set1_epi32(3))); |
| |
| const __m128i vm4 = _mm_castps_si128(_mm_cmpgt_ps(vi4, vmax)); |
| vmax = _mm_max_ps(vi4, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm4, vidx), _mm_and_si128(vm4, _mm_set1_epi32(4))); |
| |
| const __m128i vm5 = _mm_castps_si128(_mm_cmpgt_ps(vi5, vmax)); |
| vmax = _mm_max_ps(vi5, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm5, vidx), _mm_and_si128(vm5, _mm_set1_epi32(5))); |
| |
| const __m128i vm6 = _mm_castps_si128(_mm_cmpgt_ps(vi6, vmax)); |
| vmax = _mm_max_ps(vi6, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm6, vidx), _mm_and_si128(vm6, _mm_set1_epi32(6))); |
| |
| const __m128i vm7 = _mm_castps_si128(_mm_cmpgt_ps(vi7, vmax)); |
| vmax = _mm_max_ps(vi7, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm7, vidx), _mm_and_si128(vm7, _mm_set1_epi32(7))); |
| |
| const __m128i vm8 = _mm_castps_si128(_mm_cmpgt_ps(vi8, vmax)); |
| vmax = _mm_max_ps(vi8, vmax); |
| vidx = _mm_or_si128(_mm_andnot_si128(vm8, vidx), _mm_and_si128(vm8, _mm_set1_epi32(8))); |
| |
| __m128 vout = _mm_max_ps(_mm_min_ps(vmax, voutput_max), voutput_min); |
| |
| if (c & 2) { |
| _mm_store_sd((double*) o, _mm_castps_pd(vout)); |
| _mm_storel_epi64((__m128i*) i, vidx); |
| vout = _mm_movehl_ps(vout, vout); |
| vidx = _mm_unpackhi_epi64(vidx, vidx); |
| o += 2; |
| i += 2; |
| } |
| if (c & 1) { |
| _mm_store_ss(o, vout); |
| *i = (uint32_t) _mm_cvtsi128_si32(vidx); |
| o += 1; |
| i += 1; |
| } |
| } |
| input = (const float**) ((uintptr_t) input + input_increment); |
| output = (float*) ((uintptr_t) o + output_increment); |
| index = (uint32_t*) i; |
| } while (--output_pixels != 0); |
| } |