| // 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 <xmmintrin.h> |
| |
| #include <xnnpack/gavgpool.h> |
| #include <xnnpack/math.h> |
| |
| |
| void xnn_f32_gavgpool_ukernel_mp7p7q__sse( |
| size_t m, |
| size_t n, |
| const float* input, |
| size_t input_stride, |
| const float* zero, |
| float* buffer, |
| float* output, |
| const union xnn_f32_avgpool_params params[restrict static 1]) |
| { |
| assert(m > 7); |
| assert(n != 0); |
| |
| const float* i0 = input; |
| const float* i1 = (const float*) ((uintptr_t) i0 + input_stride); |
| const float* i2 = (const float*) ((uintptr_t) i1 + input_stride); |
| const float* i3 = (const float*) ((uintptr_t) i2 + input_stride); |
| const float* i4 = (const float*) ((uintptr_t) i3 + input_stride); |
| const float* i5 = (const float*) ((uintptr_t) i4 + input_stride); |
| const float* i6 = (const float*) ((uintptr_t) i5 + input_stride); |
| const size_t packed_n = round_up_po2(n, 4); |
| const size_t input_increment = 7 * input_stride - packed_n * sizeof(float); |
| |
| float* b = buffer; |
| for (size_t k = 0; k < n; k += 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 vsum01 = _mm_add_ps(vi0, vi1); |
| const __m128 vsum23 = _mm_add_ps(vi2, vi3); |
| const __m128 vsum45 = _mm_add_ps(vi4, vi5); |
| |
| const __m128 vsum016 = _mm_add_ps(vsum01, vi6); |
| const __m128 vsum2345 = _mm_add_ps(vsum23, vsum45); |
| |
| const __m128 vsum = _mm_add_ps(vsum016, vsum2345); |
| |
| _mm_store_ps(b, vsum); b += 4; |
| } |
| for (m -= 7; m > 7; m -= 7) { |
| b = buffer; |
| |
| i0 = (const float*) ((uintptr_t) i0 + input_increment); |
| i1 = (const float*) ((uintptr_t) i1 + input_increment); |
| i2 = (const float*) ((uintptr_t) i2 + input_increment); |
| i3 = (const float*) ((uintptr_t) i3 + input_increment); |
| i4 = (const float*) ((uintptr_t) i4 + input_increment); |
| i5 = (const float*) ((uintptr_t) i5 + input_increment); |
| i6 = (const float*) ((uintptr_t) i6 + input_increment); |
| |
| for (size_t k = 0; k < n; k += 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 vacc = _mm_load_ps(b); |
| |
| const __m128 vsum01 = _mm_add_ps(vi0, vi1); |
| const __m128 vsum23 = _mm_add_ps(vi2, vi3); |
| const __m128 vsum45 = _mm_add_ps(vi4, vi5); |
| const __m128 vsum6a = _mm_add_ps(vi6, vacc); |
| |
| const __m128 vsum0123 = _mm_add_ps(vsum01, vsum23); |
| const __m128 vsum456a = _mm_add_ps(vsum45, vsum6a); |
| |
| const __m128 vsum = _mm_add_ps(vsum0123, vsum456a); |
| |
| _mm_store_ps(b, vsum); b += 4; |
| } |
| } |
| |
| i0 = (const float*) ((uintptr_t) i0 + input_increment); |
| i1 = (const float*) ((uintptr_t) i1 + input_increment); |
| if (m < 2) { |
| i1 = zero; |
| } |
| i2 = (const float*) ((uintptr_t) i2 + input_increment); |
| if (m <= 2) { |
| i2 = zero; |
| } |
| i3 = (const float*) ((uintptr_t) i3 + input_increment); |
| if (m < 4) { |
| i3 = zero; |
| } |
| i4 = (const float*) ((uintptr_t) i4 + input_increment); |
| if (m <= 4) { |
| i4 = zero; |
| } |
| i5 = (const float*) ((uintptr_t) i5 + input_increment); |
| if (m < 6) { |
| i5 = zero; |
| } |
| i6 = (const float*) ((uintptr_t) i6 + input_increment); |
| if (m <= 6) { |
| i6 = zero; |
| } |
| const __m128 vmultiplier = _mm_load_ps(params->sse2.multiplier); |
| const __m128 voutput_min = _mm_load_ps(params->sse2.output_min); |
| const __m128 voutput_max = _mm_load_ps(params->sse2.output_max); |
| |
| b = buffer; |
| while (n >= 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 vacc = _mm_load_ps(b); |
| b += 4; |
| |
| const __m128 vsum01 = _mm_add_ps(vi0, vi1); |
| const __m128 vsum23 = _mm_add_ps(vi2, vi3); |
| const __m128 vsum45 = _mm_add_ps(vi4, vi5); |
| const __m128 vsum6a = _mm_add_ps(vi6, vacc); |
| |
| const __m128 vsum0123 = _mm_add_ps(vsum01, vsum23); |
| const __m128 vsum456a = _mm_add_ps(vsum45, vsum6a); |
| |
| const __m128 vsum = _mm_add_ps(vsum0123, vsum456a); |
| |
| __m128 vout = _mm_mul_ps(vsum, vmultiplier); |
| vout = _mm_max_ps(vout, voutput_min); |
| vout = _mm_min_ps(vout, voutput_max); |
| |
| _mm_storeu_ps(output, vout); |
| output += 4; |
| |
| n -= 4; |
| } |
| if (n != 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 vacc = _mm_loadu_ps(b); |
| |
| const __m128 vsum01 = _mm_add_ps(vi0, vi1); |
| const __m128 vsum23 = _mm_add_ps(vi2, vi3); |
| const __m128 vsum45 = _mm_add_ps(vi4, vi5); |
| const __m128 vsum6a = _mm_add_ps(vi6, vacc); |
| |
| const __m128 vsum0123 = _mm_add_ps(vsum01, vsum23); |
| const __m128 vsum456a = _mm_add_ps(vsum45, vsum6a); |
| |
| const __m128 vsum = _mm_add_ps(vsum0123, vsum456a); |
| |
| __m128 vout = _mm_mul_ps(vsum, vmultiplier); |
| vout = _mm_max_ps(vout, voutput_min); |
| vout = _mm_min_ps(vout, voutput_max); |
| |
| if (n & 2) { |
| _mm_storel_pi((__m64*) output, vout); |
| vout = _mm_movehl_ps(vout, vout); |
| output += 2; |
| } |
| if (n & 1) { |
| _mm_store_ss(output, vout); |
| } |
| } |
| } |