// Auto-generated file. Do not edit! // Template: src/f32-prelu/avx.c.in // Generator: tools/xngen // // Copyright 2020 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 #include #include #include static const int32_t mask_table[14] = {-1, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0}; void xnn_f32_prelu_ukernel__avx_2x8( size_t rows, size_t channels, const float*restrict input, size_t input_stride, const float*restrict weights, float*restrict output, size_t output_stride) { assert(rows != 0); assert(channels != 0); assert(channels % sizeof(float) == 0); const float* i0 = input; float* o0 = output; const float* i1 = (const float*) ((uintptr_t) i0 + input_stride); float* o1 = (float*) ((uintptr_t) o0 + output_stride); if XNN_UNPREDICTABLE(rows < 2) { i1 = i0; o1 = o0; } const size_t input_increment = input_stride * 2 - channels; const size_t output_increment = output_stride * 2 - channels; do { const float* w = weights; size_t c = channels; for (; c >= 8 * sizeof(float); c -= 8 * sizeof(float)) { const __m256 vw01234567 = _mm256_load_ps(w); w += 8; const __m256 vi0x01234567 = _mm256_loadu_ps(i0); i0 += 8; const __m256 vi1x01234567 = _mm256_loadu_ps(i1); i1 += 8; const __m256 vprod0x01234567 = _mm256_mul_ps(vi0x01234567, vw01234567); const __m256 vprod1x01234567 = _mm256_mul_ps(vi1x01234567, vw01234567); const __m256 vacc0x01234567 = _mm256_blendv_ps(vi0x01234567, vprod0x01234567, vi0x01234567); const __m256 vacc1x01234567 = _mm256_blendv_ps(vi1x01234567, vprod1x01234567, vi1x01234567); _mm256_storeu_ps(o0, vacc0x01234567); o0 += 8; _mm256_storeu_ps(o1, vacc1x01234567); o1 += 8; } if XNN_UNLIKELY(c != 0) { assert(c >= 1 * sizeof(float)); assert(c <= 7 * sizeof(float)); __m256i vmask = _mm256_loadu_si256((const __m256i*) ((uintptr_t) &mask_table[7] - c)); const __m256 vw = _mm256_maskload_ps(w, vmask); const __m256 vi0 = _mm256_maskload_ps(i0, vmask); i0 = (const float*) ((uintptr_t) i0 + c); const __m256 vi1 = _mm256_maskload_ps(i1, vmask); i1 = (const float*) ((uintptr_t) i1 + c); const __m256 vprod0 = _mm256_mul_ps(vi0, vw); const __m256 vprod1 = _mm256_mul_ps(vi1, vw); __m256 vacc0 = _mm256_blendv_ps(vi0, vprod0, vi0); __m256 vacc1 = _mm256_blendv_ps(vi1, vprod1, vi1); // _mm256_maskstore_ps(o1, vmask, vacc1) could be used here, but triggers msan failures (probably an msan bug). __m128 vacc0_lo = _mm256_castps256_ps128(vacc0); __m128 vacc1_lo = _mm256_castps256_ps128(vacc1); if (c & (4 * sizeof(float))) { _mm_storeu_ps(o0, vacc0_lo); _mm_storeu_ps(o1, vacc1_lo); vacc0_lo = _mm256_extractf128_ps(vacc0, 1); vacc1_lo = _mm256_extractf128_ps(vacc1, 1); o0 += 4; o1 += 4; } if (c & (2 * sizeof(float))) { _mm_storel_pi((__m64*) o0, vacc0_lo); _mm_storel_pi((__m64*) o1, vacc1_lo); vacc0_lo = _mm_movehl_ps(vacc0_lo, vacc0_lo); vacc1_lo = _mm_movehl_ps(vacc1_lo, vacc1_lo); o0 += 2; o1 += 2; } if (c & (1 * sizeof(float))) { _mm_store_ss(o0, vacc0_lo); _mm_store_ss(o1, vacc1_lo); o0 += 1; o1 += 1; } } i0 = (const float*) ((uintptr_t) i0 + input_increment); o0 = (float*) ((uintptr_t) o0 + output_increment); i1 = (const float*) ((uintptr_t) i1 + input_increment); o1 = (float*) ((uintptr_t) o1 + output_increment); if XNN_UNPREDICTABLE(rows < 4) { i1 = i0; o1 = o0; } rows = doz(rows, 2); } while (rows != 0); }