| // Auto-generated file. Do not edit! |
| // Template: src/f32-velu/avx2-rr1-lut4-p4-perm.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 <assert.h> |
| |
| #include <immintrin.h> |
| |
| #include <xnnpack/common.h> |
| #include <xnnpack/vunary.h> |
| |
| |
| static const int32_t mask_table[14] = {-1, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0}; |
| |
| void xnn_f32_velu_ukernel__avx2_rr1_lut4_p4_perm_x56( |
| size_t n, |
| const float* x, |
| float* y, |
| const union xnn_f32_elu_params params[restrict XNN_MIN_ELEMENTS(1)]) |
| { |
| assert(n % sizeof(float) == 0); |
| |
| const __m256 vprescale = _mm256_broadcast_ps((const __m128*) params->sse.prescale); |
| const __m256 valpha = _mm256_broadcast_ps((const __m128*) params->sse.alpha); |
| const __m256 vbeta = _mm256_broadcast_ps((const __m128*) params->sse.beta); |
| |
| const __m256 vsat_cutoff = _mm256_set1_ps(-0x1.154246p+4f); |
| const __m256 vmagic_bias = _mm256_set1_ps(0x1.800000p21f); |
| const __m256 vlog2e = _mm256_set1_ps(0x1.715476p+0f); |
| const __m256 vtable = _mm256_set_ps( |
| 0x1.EE89FAp-1f, 0x1.EA09E6p-1f, 0x1.F06FE0p-1f, 0x1.000000p+0f, |
| 0x1.EE89FAp-1f, 0x1.EA09E6p-1f, 0x1.F06FE0p-1f, 0x1.000000p+0f); |
| const __m256 vminus_ln2 = _mm256_set1_ps(-0x1.62E43p-1f); |
| const __m256 vc4 = _mm256_set1_ps(0x1.554F9Ap-5f); |
| const __m256 vc3 = _mm256_set1_ps(0x1.557082p-3f); |
| const __m256 vc2 = _mm256_set1_ps(0x1.000002p-1f); |
| |
| for (; n >= 56 * sizeof(float); n -= 56 * sizeof(float)) { |
| __m256 vx0 = _mm256_loadu_ps(x); |
| __m256 vx1 = _mm256_loadu_ps(x + 8); |
| __m256 vx2 = _mm256_loadu_ps(x + 16); |
| __m256 vx3 = _mm256_loadu_ps(x + 24); |
| __m256 vx4 = _mm256_loadu_ps(x + 32); |
| __m256 vx5 = _mm256_loadu_ps(x + 40); |
| __m256 vx6 = _mm256_loadu_ps(x + 48); |
| x += 56; |
| |
| const __m256 vz0 = _mm256_max_ps(vsat_cutoff, _mm256_mul_ps(vx0, vprescale)); |
| const __m256 vz1 = _mm256_max_ps(vsat_cutoff, _mm256_mul_ps(vx1, vprescale)); |
| const __m256 vz2 = _mm256_max_ps(vsat_cutoff, _mm256_mul_ps(vx2, vprescale)); |
| const __m256 vz3 = _mm256_max_ps(vsat_cutoff, _mm256_mul_ps(vx3, vprescale)); |
| const __m256 vz4 = _mm256_max_ps(vsat_cutoff, _mm256_mul_ps(vx4, vprescale)); |
| const __m256 vz5 = _mm256_max_ps(vsat_cutoff, _mm256_mul_ps(vx5, vprescale)); |
| const __m256 vz6 = _mm256_max_ps(vsat_cutoff, _mm256_mul_ps(vx6, vprescale)); |
| |
| __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); |
| |
| const __m256i ven0 = _mm256_slli_epi32(_mm256_castps_si256(vn0), 21); |
| const __m256i vl0 = _mm256_castps_si256(_mm256_permutevar_ps(vtable, _mm256_castps_si256(vn0))); |
| vn0 = _mm256_sub_ps(vn0, vmagic_bias); |
| const __m256i ven1 = _mm256_slli_epi32(_mm256_castps_si256(vn1), 21); |
| const __m256i vl1 = _mm256_castps_si256(_mm256_permutevar_ps(vtable, _mm256_castps_si256(vn1))); |
| vn1 = _mm256_sub_ps(vn1, vmagic_bias); |
| const __m256i ven2 = _mm256_slli_epi32(_mm256_castps_si256(vn2), 21); |
| const __m256i vl2 = _mm256_castps_si256(_mm256_permutevar_ps(vtable, _mm256_castps_si256(vn2))); |
| vn2 = _mm256_sub_ps(vn2, vmagic_bias); |
| const __m256i ven3 = _mm256_slli_epi32(_mm256_castps_si256(vn3), 21); |
| const __m256i vl3 = _mm256_castps_si256(_mm256_permutevar_ps(vtable, _mm256_castps_si256(vn3))); |
| vn3 = _mm256_sub_ps(vn3, vmagic_bias); |
| const __m256i ven4 = _mm256_slli_epi32(_mm256_castps_si256(vn4), 21); |
| const __m256i vl4 = _mm256_castps_si256(_mm256_permutevar_ps(vtable, _mm256_castps_si256(vn4))); |
| vn4 = _mm256_sub_ps(vn4, vmagic_bias); |
| const __m256i ven5 = _mm256_slli_epi32(_mm256_castps_si256(vn5), 21); |
| const __m256i vl5 = _mm256_castps_si256(_mm256_permutevar_ps(vtable, _mm256_castps_si256(vn5))); |
| vn5 = _mm256_sub_ps(vn5, vmagic_bias); |
| const __m256i ven6 = _mm256_slli_epi32(_mm256_castps_si256(vn6), 21); |
| const __m256i vl6 = _mm256_castps_si256(_mm256_permutevar_ps(vtable, _mm256_castps_si256(vn6))); |
| vn6 = _mm256_sub_ps(vn6, vmagic_bias); |
| |
| __m256 vs0 = _mm256_castsi256_ps(_mm256_add_epi32(vl0, ven0)); |
| __m256 vt0 = _mm256_fmadd_ps(vn0, vminus_ln2, vz0); |
| __m256 vs1 = _mm256_castsi256_ps(_mm256_add_epi32(vl1, ven1)); |
| __m256 vt1 = _mm256_fmadd_ps(vn1, vminus_ln2, vz1); |
| __m256 vs2 = _mm256_castsi256_ps(_mm256_add_epi32(vl2, ven2)); |
| __m256 vt2 = _mm256_fmadd_ps(vn2, vminus_ln2, vz2); |
| __m256 vs3 = _mm256_castsi256_ps(_mm256_add_epi32(vl3, ven3)); |
| __m256 vt3 = _mm256_fmadd_ps(vn3, vminus_ln2, vz3); |
| __m256 vs4 = _mm256_castsi256_ps(_mm256_add_epi32(vl4, ven4)); |
| __m256 vt4 = _mm256_fmadd_ps(vn4, vminus_ln2, vz4); |
| __m256 vs5 = _mm256_castsi256_ps(_mm256_add_epi32(vl5, ven5)); |
| __m256 vt5 = _mm256_fmadd_ps(vn5, vminus_ln2, vz5); |
| __m256 vs6 = _mm256_castsi256_ps(_mm256_add_epi32(vl6, ven6)); |
| __m256 vt6 = _mm256_fmadd_ps(vn6, vminus_ln2, vz6); |
| |
| __m256 vp0 = _mm256_fmadd_ps(vc4, vt0, vc3); |
| __m256 vp1 = _mm256_fmadd_ps(vc4, vt1, vc3); |
| __m256 vp2 = _mm256_fmadd_ps(vc4, vt2, vc3); |
| __m256 vp3 = _mm256_fmadd_ps(vc4, vt3, vc3); |
| __m256 vp4 = _mm256_fmadd_ps(vc4, vt4, vc3); |
| __m256 vp5 = _mm256_fmadd_ps(vc4, vt5, vc3); |
| __m256 vp6 = _mm256_fmadd_ps(vc4, vt6, 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); |
| |
| vp0 = _mm256_mul_ps(vp0, vt0); |
| vt0 = _mm256_mul_ps(vt0, vs0); |
| vp1 = _mm256_mul_ps(vp1, vt1); |
| vt1 = _mm256_mul_ps(vt1, vs1); |
| vp2 = _mm256_mul_ps(vp2, vt2); |
| vt2 = _mm256_mul_ps(vt2, vs2); |
| vp3 = _mm256_mul_ps(vp3, vt3); |
| vt3 = _mm256_mul_ps(vt3, vs3); |
| vp4 = _mm256_mul_ps(vp4, vt4); |
| vt4 = _mm256_mul_ps(vt4, vs4); |
| vp5 = _mm256_mul_ps(vp5, vt5); |
| vt5 = _mm256_mul_ps(vt5, vs5); |
| vp6 = _mm256_mul_ps(vp6, vt6); |
| vt6 = _mm256_mul_ps(vt6, vs6); |
| |
| vs0 = _mm256_fmsub_ps(vs0, valpha, valpha); |
| vp0 = _mm256_fmadd_ps(vp0, vt0, vt0); |
| vs1 = _mm256_fmsub_ps(vs1, valpha, valpha); |
| vp1 = _mm256_fmadd_ps(vp1, vt1, vt1); |
| vs2 = _mm256_fmsub_ps(vs2, valpha, valpha); |
| vp2 = _mm256_fmadd_ps(vp2, vt2, vt2); |
| vs3 = _mm256_fmsub_ps(vs3, valpha, valpha); |
| vp3 = _mm256_fmadd_ps(vp3, vt3, vt3); |
| vs4 = _mm256_fmsub_ps(vs4, valpha, valpha); |
| vp4 = _mm256_fmadd_ps(vp4, vt4, vt4); |
| vs5 = _mm256_fmsub_ps(vs5, valpha, valpha); |
| vp5 = _mm256_fmadd_ps(vp5, vt5, vt5); |
| vs6 = _mm256_fmsub_ps(vs6, valpha, valpha); |
| vp6 = _mm256_fmadd_ps(vp6, vt6, vt6); |
| |
| const __m256 ve0 = _mm256_fmadd_ps(vp0, valpha, vs0); |
| vx0 = _mm256_mul_ps(vx0, vbeta); |
| const __m256 ve1 = _mm256_fmadd_ps(vp1, valpha, vs1); |
| vx1 = _mm256_mul_ps(vx1, vbeta); |
| const __m256 ve2 = _mm256_fmadd_ps(vp2, valpha, vs2); |
| vx2 = _mm256_mul_ps(vx2, vbeta); |
| const __m256 ve3 = _mm256_fmadd_ps(vp3, valpha, vs3); |
| vx3 = _mm256_mul_ps(vx3, vbeta); |
| const __m256 ve4 = _mm256_fmadd_ps(vp4, valpha, vs4); |
| vx4 = _mm256_mul_ps(vx4, vbeta); |
| const __m256 ve5 = _mm256_fmadd_ps(vp5, valpha, vs5); |
| vx5 = _mm256_mul_ps(vx5, vbeta); |
| const __m256 ve6 = _mm256_fmadd_ps(vp6, valpha, vs6); |
| vx6 = _mm256_mul_ps(vx6, vbeta); |
| |
| const __m256 vy0 = _mm256_blendv_ps(vx0, ve0, vx0); |
| const __m256 vy1 = _mm256_blendv_ps(vx1, ve1, vx1); |
| const __m256 vy2 = _mm256_blendv_ps(vx2, ve2, vx2); |
| const __m256 vy3 = _mm256_blendv_ps(vx3, ve3, vx3); |
| const __m256 vy4 = _mm256_blendv_ps(vx4, ve4, vx4); |
| const __m256 vy5 = _mm256_blendv_ps(vx5, ve5, vx5); |
| const __m256 vy6 = _mm256_blendv_ps(vx6, ve6, vx6); |
| |
| _mm256_storeu_ps(y, vy0); |
| _mm256_storeu_ps(y + 8, vy1); |
| _mm256_storeu_ps(y + 16, vy2); |
| _mm256_storeu_ps(y + 24, vy3); |
| _mm256_storeu_ps(y + 32, vy4); |
| _mm256_storeu_ps(y + 40, vy5); |
| _mm256_storeu_ps(y + 48, vy6); |
| y += 56; |
| } |
| for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) { |
| __m256 vx = _mm256_loadu_ps(x); |
| x += 8; |
| |
| const __m256 vz = _mm256_max_ps(vsat_cutoff, _mm256_mul_ps(vx, vprescale)); |
| |
| __m256 vn = _mm256_fmadd_ps(vz, vlog2e, vmagic_bias); |
| const __m256i ven = _mm256_slli_epi32(_mm256_castps_si256(vn), 21); |
| const __m256i vl = _mm256_castps_si256(_mm256_permutevar_ps(vtable, _mm256_castps_si256(vn))); |
| __m256 vs = _mm256_castsi256_ps(_mm256_add_epi32(vl, ven)); |
| vn = _mm256_sub_ps(vn, vmagic_bias); |
| |
| __m256 vt = _mm256_fmadd_ps(vn, vminus_ln2, vz); |
| |
| __m256 vp = _mm256_fmadd_ps(vc4, vt, vc3); |
| vp = _mm256_fmadd_ps(vp, vt, vc2); |
| vp = _mm256_mul_ps(vp, vt); |
| |
| vt = _mm256_mul_ps(vt, vs); |
| vs = _mm256_fmsub_ps(vs, valpha, valpha); |
| vp = _mm256_fmadd_ps(vp, vt, vt); |
| const __m256 ve = _mm256_fmadd_ps(vp, valpha, vs); |
| |
| vx = _mm256_mul_ps(vx, vbeta); |
| const __m256 vy = _mm256_blendv_ps(vx, ve, vx); |
| |
| _mm256_storeu_ps(y, vy); |
| 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)); |
| |
| __m256 vx = _mm256_maskload_ps(x, vmask); |
| |
| const __m256 vz = _mm256_max_ps(vsat_cutoff, _mm256_mul_ps(vx, vprescale)); |
| |
| __m256 vn = _mm256_fmadd_ps(vz, vlog2e, vmagic_bias); |
| const __m256i ven = _mm256_slli_epi32(_mm256_castps_si256(vn), 21); |
| const __m256i vl = _mm256_castps_si256(_mm256_permutevar_ps(vtable, _mm256_castps_si256(vn))); |
| __m256 vs = _mm256_castsi256_ps(_mm256_add_epi32(vl, ven)); |
| vn = _mm256_sub_ps(vn, vmagic_bias); |
| |
| __m256 vt = _mm256_fmadd_ps(vn, vminus_ln2, vz); |
| |
| __m256 vp = _mm256_fmadd_ps(vc4, vt, vc3); |
| vp = _mm256_fmadd_ps(vp, vt, vc2); |
| vp = _mm256_mul_ps(vp, vt); |
| |
| vt = _mm256_mul_ps(vt, vs); |
| vs = _mm256_fmsub_ps(vs, valpha, valpha); |
| vp = _mm256_fmadd_ps(vp, vt, vt); |
| const __m256 ve = _mm256_fmadd_ps(vp, valpha, vs); |
| |
| vx = _mm256_mul_ps(vx, vbeta); |
| const __m256 vy = _mm256_blendv_ps(vx, ve, vx); |
| |
| // _mm256_maskstore_ps(y, vmask, vf) could be used here, but triggers msan failures (probably an msan bug). |
| __m128 vy_lo = _mm256_castps256_ps128(vy); |
| if (n & (4 * sizeof(float))) { |
| _mm_storeu_ps(y, vy_lo); |
| vy_lo = _mm256_extractf128_ps(vy, 1); |
| y += 4; |
| } |
| if (n & (2 * sizeof(float))) { |
| _mm_storel_pi((__m64*) y, vy_lo); |
| vy_lo = _mm_movehl_ps(vy_lo, vy_lo); |
| y += 2; |
| } |
| if (n & (1 * sizeof(float))) { |
| _mm_store_ss(y, vy_lo); |
| } |
| } |
| } |