// Auto-generated file. Do not edit! // Template: src/f32-velu/avx2-rr1-lut8-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 #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_velu_ukernel__avx2_rr1_lut8_p4_perm_x40( 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(0x1.800000p20f); const __m256 vlog2e = _mm256_set1_ps(0x1.715476p+0f); const __m256i vtable = _mm256_set_epi32( 0x3F7AC0C7, 0x3F7744FD, 0x3F75672A, 0x3F7504F3, 0x3F75FED7, 0x3F7837F0, 0x3F7B95C2, 0x3F800000); const __m256 vminus_ln2 = _mm256_set1_ps(-0x1.62E43p-1f); const __m256 vc4 = _mm256_set1_ps(0x1.5558ECp-5f); const __m256 vc3 = _mm256_set1_ps(0x1.555C20p-3f); const __m256 vc2 = _mm256_set1_ps(0x1.000000p-1f); for (; n >= 40 * sizeof(float); n -= 40 * 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); x += 40; 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)); __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); const __m256i ven0 = _mm256_slli_epi32(_mm256_castps_si256(vn0), 20); const __m256i vl0 = _mm256_permutevar8x32_epi32(vtable, _mm256_castps_si256(vn0)); vn0 = _mm256_sub_ps(vn0, vmagic_bias); const __m256i ven1 = _mm256_slli_epi32(_mm256_castps_si256(vn1), 20); const __m256i vl1 = _mm256_permutevar8x32_epi32(vtable, _mm256_castps_si256(vn1)); vn1 = _mm256_sub_ps(vn1, vmagic_bias); const __m256i ven2 = _mm256_slli_epi32(_mm256_castps_si256(vn2), 20); const __m256i vl2 = _mm256_permutevar8x32_epi32(vtable, _mm256_castps_si256(vn2)); vn2 = _mm256_sub_ps(vn2, vmagic_bias); const __m256i ven3 = _mm256_slli_epi32(_mm256_castps_si256(vn3), 20); const __m256i vl3 = _mm256_permutevar8x32_epi32(vtable, _mm256_castps_si256(vn3)); vn3 = _mm256_sub_ps(vn3, vmagic_bias); const __m256i ven4 = _mm256_slli_epi32(_mm256_castps_si256(vn4), 20); const __m256i vl4 = _mm256_permutevar8x32_epi32(vtable, _mm256_castps_si256(vn4)); vn4 = _mm256_sub_ps(vn4, 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 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); 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); 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); 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); 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 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); _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); y += 40; } 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), 20); const __m256i vl = _mm256_permutevar8x32_epi32(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), 20); const __m256i vl = _mm256_permutevar8x32_epi32(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); } } }