// Auto-generated file. Do not edit! // Template: src/f32-sigmoid/avx2-p5.c.in // Generator: tools/xngen // // 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 #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_sigmoid_ukernel__avx2_rr1_p5_nr1fma_x72( size_t n, const float* x, float* y, const void* params) { assert(n % sizeof(float) == 0); const __m256 vsign_mask = _mm256_set1_ps(-0.0f); const __m256 vmagic_bias = _mm256_set1_ps(0x1.8000FEp23f); const __m256 vlog2e = _mm256_set1_ps(0x1.715476p0f); const __m256 vminus_ln2 = _mm256_set1_ps(-0x1.62E43p-1f); const __m256 vc5 = _mm256_set1_ps(0x1.0F9F9Cp-7f); const __m256 vc4 = _mm256_set1_ps(0x1.573A1Ap-5f); const __m256 vc3 = _mm256_set1_ps(0x1.555A80p-3f); const __m256 vc2 = _mm256_set1_ps(0x1.FFFDC6p-2f); const __m256 vc1 = _mm256_set1_ps(0x1.FFFFF6p-1f); const __m256 vone = _mm256_set1_ps(1.0f); const __m256 vdenorm_cutoff = _mm256_set1_ps(-0x1.5D589Ep+6f); for (; n >= 72 * sizeof(float); n -= 72 * sizeof(float)) { const __m256 vx0 = _mm256_loadu_ps(x); const __m256 vx1 = _mm256_loadu_ps(x + 8); const __m256 vx2 = _mm256_loadu_ps(x + 16); const __m256 vx3 = _mm256_loadu_ps(x + 24); const __m256 vx4 = _mm256_loadu_ps(x + 32); const __m256 vx5 = _mm256_loadu_ps(x + 40); const __m256 vx6 = _mm256_loadu_ps(x + 48); const __m256 vx7 = _mm256_loadu_ps(x + 56); const __m256 vx8 = _mm256_loadu_ps(x + 64); x += 72; const __m256 vz0 = _mm256_or_ps(vx0, vsign_mask); const __m256 vz1 = _mm256_or_ps(vx1, vsign_mask); const __m256 vz2 = _mm256_or_ps(vx2, vsign_mask); const __m256 vz3 = _mm256_or_ps(vx3, vsign_mask); const __m256 vz4 = _mm256_or_ps(vx4, vsign_mask); const __m256 vz5 = _mm256_or_ps(vx5, vsign_mask); const __m256 vz6 = _mm256_or_ps(vx6, vsign_mask); const __m256 vz7 = _mm256_or_ps(vx7, vsign_mask); const __m256 vz8 = _mm256_or_ps(vx8, vsign_mask); __m256 vn0 = _mm256_fmadd_ps(vz0, vlog2e, vmagic_bias); __m256 vn1 = _mm256_fmadd_ps(vz1, vlog2e, vmagic_bias); __m256 vn2 = _mm256_fmadd_ps(vz2, vlog2e, vmagic_bias); __m256 vn3 = _mm256_fmadd_ps(vz3, vlog2e, vmagic_bias); __m256 vn4 = _mm256_fmadd_ps(vz4, vlog2e, vmagic_bias); __m256 vn5 = _mm256_fmadd_ps(vz5, vlog2e, vmagic_bias); __m256 vn6 = _mm256_fmadd_ps(vz6, vlog2e, vmagic_bias); __m256 vn7 = _mm256_fmadd_ps(vz7, vlog2e, vmagic_bias); __m256 vn8 = _mm256_fmadd_ps(vz8, vlog2e, vmagic_bias); const __m256 vs0 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn0), 23)); const __m256 vs1 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn1), 23)); const __m256 vs2 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn2), 23)); const __m256 vs3 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn3), 23)); const __m256 vs4 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn4), 23)); const __m256 vs5 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn5), 23)); const __m256 vs6 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn6), 23)); const __m256 vs7 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn7), 23)); const __m256 vs8 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn8), 23)); vn0 = _mm256_sub_ps(vn0, vmagic_bias); vn1 = _mm256_sub_ps(vn1, vmagic_bias); vn2 = _mm256_sub_ps(vn2, vmagic_bias); vn3 = _mm256_sub_ps(vn3, vmagic_bias); vn4 = _mm256_sub_ps(vn4, vmagic_bias); vn5 = _mm256_sub_ps(vn5, vmagic_bias); vn6 = _mm256_sub_ps(vn6, vmagic_bias); vn7 = _mm256_sub_ps(vn7, vmagic_bias); vn8 = _mm256_sub_ps(vn8, vmagic_bias); __m256 vt0 = _mm256_fmadd_ps(vn0, vminus_ln2, vz0); __m256 vt1 = _mm256_fmadd_ps(vn1, vminus_ln2, vz1); __m256 vt2 = _mm256_fmadd_ps(vn2, vminus_ln2, vz2); __m256 vt3 = _mm256_fmadd_ps(vn3, vminus_ln2, vz3); __m256 vt4 = _mm256_fmadd_ps(vn4, vminus_ln2, vz4); __m256 vt5 = _mm256_fmadd_ps(vn5, vminus_ln2, vz5); __m256 vt6 = _mm256_fmadd_ps(vn6, vminus_ln2, vz6); __m256 vt7 = _mm256_fmadd_ps(vn7, vminus_ln2, vz7); __m256 vt8 = _mm256_fmadd_ps(vn8, vminus_ln2, vz8); __m256 vp0 = _mm256_fmadd_ps(vc5, vt0, vc4); __m256 vp1 = _mm256_fmadd_ps(vc5, vt1, vc4); __m256 vp2 = _mm256_fmadd_ps(vc5, vt2, vc4); __m256 vp3 = _mm256_fmadd_ps(vc5, vt3, vc4); __m256 vp4 = _mm256_fmadd_ps(vc5, vt4, vc4); __m256 vp5 = _mm256_fmadd_ps(vc5, vt5, vc4); __m256 vp6 = _mm256_fmadd_ps(vc5, vt6, vc4); __m256 vp7 = _mm256_fmadd_ps(vc5, vt7, vc4); __m256 vp8 = _mm256_fmadd_ps(vc5, vt8, vc4); vp0 = _mm256_fmadd_ps(vp0, vt0, vc3); vp1 = _mm256_fmadd_ps(vp1, vt1, vc3); vp2 = _mm256_fmadd_ps(vp2, vt2, vc3); vp3 = _mm256_fmadd_ps(vp3, vt3, vc3); vp4 = _mm256_fmadd_ps(vp4, vt4, vc3); vp5 = _mm256_fmadd_ps(vp5, vt5, vc3); vp6 = _mm256_fmadd_ps(vp6, vt6, vc3); vp7 = _mm256_fmadd_ps(vp7, vt7, vc3); vp8 = _mm256_fmadd_ps(vp8, vt8, vc3); vp0 = _mm256_fmadd_ps(vp0, vt0, vc2); vp1 = _mm256_fmadd_ps(vp1, vt1, vc2); vp2 = _mm256_fmadd_ps(vp2, vt2, vc2); vp3 = _mm256_fmadd_ps(vp3, vt3, vc2); vp4 = _mm256_fmadd_ps(vp4, vt4, vc2); vp5 = _mm256_fmadd_ps(vp5, vt5, vc2); vp6 = _mm256_fmadd_ps(vp6, vt6, vc2); vp7 = _mm256_fmadd_ps(vp7, vt7, vc2); vp8 = _mm256_fmadd_ps(vp8, vt8, vc2); vp0 = _mm256_fmadd_ps(vp0, vt0, vc1); vp1 = _mm256_fmadd_ps(vp1, vt1, vc1); vp2 = _mm256_fmadd_ps(vp2, vt2, vc1); vp3 = _mm256_fmadd_ps(vp3, vt3, vc1); vp4 = _mm256_fmadd_ps(vp4, vt4, vc1); vp5 = _mm256_fmadd_ps(vp5, vt5, vc1); vp6 = _mm256_fmadd_ps(vp6, vt6, vc1); vp7 = _mm256_fmadd_ps(vp7, vt7, vc1); vp8 = _mm256_fmadd_ps(vp8, vt8, vc1); vt0 = _mm256_mul_ps(vt0, vs0); vt1 = _mm256_mul_ps(vt1, vs1); vt2 = _mm256_mul_ps(vt2, vs2); vt3 = _mm256_mul_ps(vt3, vs3); vt4 = _mm256_mul_ps(vt4, vs4); vt5 = _mm256_mul_ps(vt5, vs5); vt6 = _mm256_mul_ps(vt6, vs6); vt7 = _mm256_mul_ps(vt7, vs7); vt8 = _mm256_mul_ps(vt8, vs8); const __m256 ve0 = _mm256_fmadd_ps(vt0, vp0, vs0); const __m256 ve1 = _mm256_fmadd_ps(vt1, vp1, vs1); const __m256 ve2 = _mm256_fmadd_ps(vt2, vp2, vs2); const __m256 ve3 = _mm256_fmadd_ps(vt3, vp3, vs3); const __m256 ve4 = _mm256_fmadd_ps(vt4, vp4, vs4); const __m256 ve5 = _mm256_fmadd_ps(vt5, vp5, vs5); const __m256 ve6 = _mm256_fmadd_ps(vt6, vp6, vs6); const __m256 ve7 = _mm256_fmadd_ps(vt7, vp7, vs7); const __m256 ve8 = _mm256_fmadd_ps(vt8, vp8, vs8); const __m256 vd0 = _mm256_add_ps(ve0, vone); const __m256 vd1 = _mm256_add_ps(ve1, vone); const __m256 vd2 = _mm256_add_ps(ve2, vone); const __m256 vd3 = _mm256_add_ps(ve3, vone); const __m256 vd4 = _mm256_add_ps(ve4, vone); const __m256 vd5 = _mm256_add_ps(ve5, vone); const __m256 vd6 = _mm256_add_ps(ve6, vone); const __m256 vd7 = _mm256_add_ps(ve7, vone); const __m256 vd8 = _mm256_add_ps(ve8, vone); __m256 vr0 = _mm256_rcp_ps(vd0); __m256 vr1 = _mm256_rcp_ps(vd1); __m256 vr2 = _mm256_rcp_ps(vd2); __m256 vr3 = _mm256_rcp_ps(vd3); __m256 vr4 = _mm256_rcp_ps(vd4); __m256 vr5 = _mm256_rcp_ps(vd5); __m256 vr6 = _mm256_rcp_ps(vd6); __m256 vr7 = _mm256_rcp_ps(vd7); __m256 vr8 = _mm256_rcp_ps(vd8); vr0 = _mm256_fmadd_ps(_mm256_fnmadd_ps(vr0, vd0, vone), vr0, vr0); vr1 = _mm256_fmadd_ps(_mm256_fnmadd_ps(vr1, vd1, vone), vr1, vr1); vr2 = _mm256_fmadd_ps(_mm256_fnmadd_ps(vr2, vd2, vone), vr2, vr2); vr3 = _mm256_fmadd_ps(_mm256_fnmadd_ps(vr3, vd3, vone), vr3, vr3); vr4 = _mm256_fmadd_ps(_mm256_fnmadd_ps(vr4, vd4, vone), vr4, vr4); vr5 = _mm256_fmadd_ps(_mm256_fnmadd_ps(vr5, vd5, vone), vr5, vr5); vr6 = _mm256_fmadd_ps(_mm256_fnmadd_ps(vr6, vd6, vone), vr6, vr6); vr7 = _mm256_fmadd_ps(_mm256_fnmadd_ps(vr7, vd7, vone), vr7, vr7); vr8 = _mm256_fmadd_ps(_mm256_fnmadd_ps(vr8, vd8, vone), vr8, vr8); __m256 vf0 = _mm256_mul_ps(ve0, vr0); __m256 vf1 = _mm256_mul_ps(ve1, vr1); __m256 vf2 = _mm256_mul_ps(ve2, vr2); __m256 vf3 = _mm256_mul_ps(ve3, vr3); __m256 vf4 = _mm256_mul_ps(ve4, vr4); __m256 vf5 = _mm256_mul_ps(ve5, vr5); __m256 vf6 = _mm256_mul_ps(ve6, vr6); __m256 vf7 = _mm256_mul_ps(ve7, vr7); __m256 vf8 = _mm256_mul_ps(ve8, vr8); vf0 = _mm256_andnot_ps(_mm256_cmp_ps(vz0, vdenorm_cutoff, _CMP_LT_OS), vf0); vf1 = _mm256_andnot_ps(_mm256_cmp_ps(vz1, vdenorm_cutoff, _CMP_LT_OS), vf1); vf2 = _mm256_andnot_ps(_mm256_cmp_ps(vz2, vdenorm_cutoff, _CMP_LT_OS), vf2); vf3 = _mm256_andnot_ps(_mm256_cmp_ps(vz3, vdenorm_cutoff, _CMP_LT_OS), vf3); vf4 = _mm256_andnot_ps(_mm256_cmp_ps(vz4, vdenorm_cutoff, _CMP_LT_OS), vf4); vf5 = _mm256_andnot_ps(_mm256_cmp_ps(vz5, vdenorm_cutoff, _CMP_LT_OS), vf5); vf6 = _mm256_andnot_ps(_mm256_cmp_ps(vz6, vdenorm_cutoff, _CMP_LT_OS), vf6); vf7 = _mm256_andnot_ps(_mm256_cmp_ps(vz7, vdenorm_cutoff, _CMP_LT_OS), vf7); vf8 = _mm256_andnot_ps(_mm256_cmp_ps(vz8, vdenorm_cutoff, _CMP_LT_OS), vf8); vf0 = _mm256_blendv_ps(_mm256_sub_ps(vone, vf0), vf0, vx0); vf1 = _mm256_blendv_ps(_mm256_sub_ps(vone, vf1), vf1, vx1); vf2 = _mm256_blendv_ps(_mm256_sub_ps(vone, vf2), vf2, vx2); vf3 = _mm256_blendv_ps(_mm256_sub_ps(vone, vf3), vf3, vx3); vf4 = _mm256_blendv_ps(_mm256_sub_ps(vone, vf4), vf4, vx4); vf5 = _mm256_blendv_ps(_mm256_sub_ps(vone, vf5), vf5, vx5); vf6 = _mm256_blendv_ps(_mm256_sub_ps(vone, vf6), vf6, vx6); vf7 = _mm256_blendv_ps(_mm256_sub_ps(vone, vf7), vf7, vx7); vf8 = _mm256_blendv_ps(_mm256_sub_ps(vone, vf8), vf8, vx8); _mm256_storeu_ps(y, vf0); _mm256_storeu_ps(y + 8, vf1); _mm256_storeu_ps(y + 16, vf2); _mm256_storeu_ps(y + 24, vf3); _mm256_storeu_ps(y + 32, vf4); _mm256_storeu_ps(y + 40, vf5); _mm256_storeu_ps(y + 48, vf6); _mm256_storeu_ps(y + 56, vf7); _mm256_storeu_ps(y + 64, vf8); y += 72; } for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) { const __m256 vx = _mm256_loadu_ps(x); x += 8; const __m256 vz = _mm256_or_ps(vx, vsign_mask); __m256 vn = _mm256_fmadd_ps(vz, vlog2e, vmagic_bias); const __m256 vs = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn), 23)); vn = _mm256_sub_ps(vn, vmagic_bias); __m256 vt = _mm256_fmadd_ps(vn, vminus_ln2, vz); __m256 vp = _mm256_fmadd_ps(vc5, vt, vc4); vp = _mm256_fmadd_ps(vp, vt, vc3); vp = _mm256_fmadd_ps(vp, vt, vc2); vp = _mm256_fmadd_ps(vp, vt, vc1); vt = _mm256_mul_ps(vt, vs); const __m256 ve = _mm256_fmadd_ps(vt, vp, vs); const __m256 vd = _mm256_add_ps(ve, vone); __m256 vr = _mm256_rcp_ps(vd); vr = _mm256_fmadd_ps(_mm256_fnmadd_ps(vr, vd, vone), vr, vr); __m256 vf = _mm256_mul_ps(ve, vr); vf = _mm256_andnot_ps(_mm256_cmp_ps(vz, vdenorm_cutoff, _CMP_LT_OS), vf); vf = _mm256_blendv_ps(_mm256_sub_ps(vone, vf), vf, vx); _mm256_storeu_ps(y, vf); y += 8; } if XNN_UNLIKELY(n != 0) { assert(n >= 1 * sizeof(float)); assert(n <= 7 * sizeof(float)); __m256i vmask = _mm256_loadu_si256((const __m256i*) ((uintptr_t) &mask_table[7] - n)); const __m256 vx = _mm256_maskload_ps(x, vmask); const __m256 vz = _mm256_or_ps(vx, vsign_mask); __m256 vn = _mm256_fmadd_ps(vz, vlog2e, vmagic_bias); const __m256 vs = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn), 23)); vn = _mm256_sub_ps(vn, vmagic_bias); __m256 vt = _mm256_fmadd_ps(vn, vminus_ln2, vz); __m256 vp = _mm256_fmadd_ps(vc5, vt, vc4); vp = _mm256_fmadd_ps(vp, vt, vc3); vp = _mm256_fmadd_ps(vp, vt, vc2); vp = _mm256_fmadd_ps(vp, vt, vc1); vt = _mm256_mul_ps(vt, vs); const __m256 ve = _mm256_fmadd_ps(vt, vp, vs); const __m256 vd = _mm256_add_ps(ve, vone); __m256 vr = _mm256_rcp_ps(vd); vr = _mm256_fmadd_ps(_mm256_fnmadd_ps(vr, vd, vone), vr, vr); __m256 vf = _mm256_mul_ps(ve, vr); vf = _mm256_andnot_ps(_mm256_cmp_ps(vz, vdenorm_cutoff, _CMP_LT_OS), vf); vf = _mm256_blendv_ps(_mm256_sub_ps(vone, vf), vf, vx); // _mm256_maskstore_ps(y, vmask, vf) could be used here, but triggers msan failures (probably an msan bug). __m128 vf_lo = _mm256_castps256_ps128(vf); if (n & (4 * sizeof(float))) { _mm_storeu_ps(y, vf_lo); vf_lo = _mm256_extractf128_ps(vf, 1); y += 4; } if (n & (2 * sizeof(float))) { _mm_storel_pi((__m64*) y, vf_lo); vf_lo = _mm_movehl_ps(vf_lo, vf_lo); y += 2; } if (n & (1 * sizeof(float))) { _mm_store_ss(y, vf_lo); } } }