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#include <assert.h> |
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#include <stddef.h> |
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#include <stdint.h> |
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#include <immintrin.h> |
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#include <xnnpack/common.h> |
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#include <xnnpack/intrinsics-polyfill.h> |
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#include <xnnpack/microparams.h> |
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#include <xnnpack/vunary.h> |
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void xnn_f16_vtanh_ukernel__f16c_expm1minus_rr1_p3h2ts_div_x64( |
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size_t batch, |
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const void* input, |
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void* output, |
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const union xnn_f16_tanh_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS |
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{ |
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assert(batch != 0); |
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assert(batch % sizeof(uint16_t) == 0); |
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assert(input != NULL); |
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assert(output != NULL); |
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const __m128i vsign_mask = _mm_load_si128((const __m128i*) params->avx_expm1minus_rr1_p3h2.sign_mask); |
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const __m256 vsat_cutoff = _mm256_load_ps(params->avx_expm1minus_rr1_p3h2.sat_cutoff); |
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const __m256 vlog2e = _mm256_load_ps(params->avx_expm1minus_rr1_p3h2.log2e); |
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const __m256 vmagic_bias = _mm256_load_ps(params->avx_expm1minus_rr1_p3h2.magic_bias); |
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const __m256 vminus_ln2 = _mm256_load_ps(params->avx_expm1minus_rr1_p3h2.minus_ln2); |
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const __m256 vc3 = _mm256_load_ps(params->avx_expm1minus_rr1_p3h2.c3); |
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const __m256 vc2 = _mm256_load_ps(params->avx_expm1minus_rr1_p3h2.c2); |
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const __m256 vtwo = _mm256_load_ps(params->avx_expm1minus_rr1_p3h2.two); |
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const __m256 vminus_one = _mm256_load_ps(params->avx_expm1minus_rr1_p3h2.minus_one); |
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const uint16_t* i = (const uint16_t*) input; |
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uint16_t* o = (uint16_t*) output; |
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for (; batch >= 64 * sizeof(uint16_t); batch -= 64 * sizeof(uint16_t)) { |
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const __m128i vx0 = _mm_loadu_si128((const __m128i*) i); |
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const __m128i vx1 = _mm_loadu_si128((const __m128i*) (i + 8)); |
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const __m128i vx2 = _mm_loadu_si128((const __m128i*) (i + 16)); |
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const __m128i vx3 = _mm_loadu_si128((const __m128i*) (i + 24)); |
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const __m128i vx4 = _mm_loadu_si128((const __m128i*) (i + 32)); |
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const __m128i vx5 = _mm_loadu_si128((const __m128i*) (i + 40)); |
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const __m128i vx6 = _mm_loadu_si128((const __m128i*) (i + 48)); |
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const __m128i vx7 = _mm_loadu_si128((const __m128i*) (i + 56)); |
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i += 64; |
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const __m128i vabsx0 = _mm_or_si128(vx0, vsign_mask); |
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const __m128i vabsx1 = _mm_or_si128(vx1, vsign_mask); |
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const __m128i vabsx2 = _mm_or_si128(vx2, vsign_mask); |
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const __m128i vabsx3 = _mm_or_si128(vx3, vsign_mask); |
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const __m128i vabsx4 = _mm_or_si128(vx4, vsign_mask); |
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const __m128i vabsx5 = _mm_or_si128(vx5, vsign_mask); |
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const __m128i vabsx6 = _mm_or_si128(vx6, vsign_mask); |
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const __m128i vabsx7 = _mm_or_si128(vx7, vsign_mask); |
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__m256 vz0 = _mm256_cvtph_ps(vabsx0); |
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const __m128i vinvsignx0 = _mm_xor_si128(vx0, vabsx0); |
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__m256 vz1 = _mm256_cvtph_ps(vabsx1); |
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const __m128i vinvsignx1 = _mm_xor_si128(vx1, vabsx1); |
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__m256 vz2 = _mm256_cvtph_ps(vabsx2); |
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const __m128i vinvsignx2 = _mm_xor_si128(vx2, vabsx2); |
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__m256 vz3 = _mm256_cvtph_ps(vabsx3); |
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const __m128i vinvsignx3 = _mm_xor_si128(vx3, vabsx3); |
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__m256 vz4 = _mm256_cvtph_ps(vabsx4); |
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const __m128i vinvsignx4 = _mm_xor_si128(vx4, vabsx4); |
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__m256 vz5 = _mm256_cvtph_ps(vabsx5); |
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const __m128i vinvsignx5 = _mm_xor_si128(vx5, vabsx5); |
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__m256 vz6 = _mm256_cvtph_ps(vabsx6); |
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const __m128i vinvsignx6 = _mm_xor_si128(vx6, vabsx6); |
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__m256 vz7 = _mm256_cvtph_ps(vabsx7); |
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const __m128i vinvsignx7 = _mm_xor_si128(vx7, vabsx7); |
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vz0 = _mm256_max_ps(vsat_cutoff, vz0); |
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__m256 vn0 = _mm256_add_ps(_mm256_mul_ps(vz0, vlog2e), vmagic_bias); |
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vz1 = _mm256_max_ps(vsat_cutoff, vz1); |
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__m256 vn1 = _mm256_add_ps(_mm256_mul_ps(vz1, vlog2e), vmagic_bias); |
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vz2 = _mm256_max_ps(vsat_cutoff, vz2); |
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__m256 vn2 = _mm256_add_ps(_mm256_mul_ps(vz2, vlog2e), vmagic_bias); |
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vz3 = _mm256_max_ps(vsat_cutoff, vz3); |
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__m256 vn3 = _mm256_add_ps(_mm256_mul_ps(vz3, vlog2e), vmagic_bias); |
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vz4 = _mm256_max_ps(vsat_cutoff, vz4); |
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__m256 vn4 = _mm256_add_ps(_mm256_mul_ps(vz4, vlog2e), vmagic_bias); |
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vz5 = _mm256_max_ps(vsat_cutoff, vz5); |
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__m256 vn5 = _mm256_add_ps(_mm256_mul_ps(vz5, vlog2e), vmagic_bias); |
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vz6 = _mm256_max_ps(vsat_cutoff, vz6); |
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__m256 vn6 = _mm256_add_ps(_mm256_mul_ps(vz6, vlog2e), vmagic_bias); |
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vz7 = _mm256_max_ps(vsat_cutoff, vz7); |
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__m256 vn7 = _mm256_add_ps(_mm256_mul_ps(vz7, vlog2e), vmagic_bias); |
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const __m128 vn0_hi = _mm256_extractf128_ps(vn0, 1); |
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__m256 vs0 = _mm256_castps128_ps256(_mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(_mm256_castps256_ps128(vn0)), 23))); |
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vn0 = _mm256_sub_ps(vn0, vmagic_bias); |
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const __m128 vn1_hi = _mm256_extractf128_ps(vn1, 1); |
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__m256 vs1 = _mm256_castps128_ps256(_mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(_mm256_castps256_ps128(vn1)), 23))); |
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vn1 = _mm256_sub_ps(vn1, vmagic_bias); |
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const __m128 vn2_hi = _mm256_extractf128_ps(vn2, 1); |
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__m256 vs2 = _mm256_castps128_ps256(_mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(_mm256_castps256_ps128(vn2)), 23))); |
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vn2 = _mm256_sub_ps(vn2, vmagic_bias); |
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const __m128 vn3_hi = _mm256_extractf128_ps(vn3, 1); |
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__m256 vs3 = _mm256_castps128_ps256(_mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(_mm256_castps256_ps128(vn3)), 23))); |
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vn3 = _mm256_sub_ps(vn3, vmagic_bias); |
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const __m128 vn4_hi = _mm256_extractf128_ps(vn4, 1); |
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__m256 vs4 = _mm256_castps128_ps256(_mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(_mm256_castps256_ps128(vn4)), 23))); |
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vn4 = _mm256_sub_ps(vn4, vmagic_bias); |
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const __m128 vn5_hi = _mm256_extractf128_ps(vn5, 1); |
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__m256 vs5 = _mm256_castps128_ps256(_mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(_mm256_castps256_ps128(vn5)), 23))); |
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vn5 = _mm256_sub_ps(vn5, vmagic_bias); |
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const __m128 vn6_hi = _mm256_extractf128_ps(vn6, 1); |
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__m256 vs6 = _mm256_castps128_ps256(_mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(_mm256_castps256_ps128(vn6)), 23))); |
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vn6 = _mm256_sub_ps(vn6, vmagic_bias); |
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const __m128 vn7_hi = _mm256_extractf128_ps(vn7, 1); |
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__m256 vs7 = _mm256_castps128_ps256(_mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(_mm256_castps256_ps128(vn7)), 23))); |
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vn7 = _mm256_sub_ps(vn7, vmagic_bias); |
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const __m128 vs0_hi = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn0_hi), 23)); |
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const __m128 vs1_hi = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn1_hi), 23)); |
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const __m128 vs2_hi = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn2_hi), 23)); |
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const __m128 vs3_hi = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn3_hi), 23)); |
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const __m128 vs4_hi = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn4_hi), 23)); |
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const __m128 vs5_hi = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn5_hi), 23)); |
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const __m128 vs6_hi = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn6_hi), 23)); |
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const __m128 vs7_hi = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn7_hi), 23)); |
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vs0 = _mm256_insertf128_ps(vs0, vs0_hi, 1); |
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vs1 = _mm256_insertf128_ps(vs1, vs1_hi, 1); |
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vs2 = _mm256_insertf128_ps(vs2, vs2_hi, 1); |
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vs3 = _mm256_insertf128_ps(vs3, vs3_hi, 1); |
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vs4 = _mm256_insertf128_ps(vs4, vs4_hi, 1); |
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vs5 = _mm256_insertf128_ps(vs5, vs5_hi, 1); |
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vs6 = _mm256_insertf128_ps(vs6, vs6_hi, 1); |
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vs7 = _mm256_insertf128_ps(vs7, vs7_hi, 1); |
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const __m256 vt0 = _mm256_add_ps(_mm256_mul_ps(vn0, vminus_ln2), vz0); |
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const __m256 vt1 = _mm256_add_ps(_mm256_mul_ps(vn1, vminus_ln2), vz1); |
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const __m256 vt2 = _mm256_add_ps(_mm256_mul_ps(vn2, vminus_ln2), vz2); |
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const __m256 vt3 = _mm256_add_ps(_mm256_mul_ps(vn3, vminus_ln2), vz3); |
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const __m256 vt4 = _mm256_add_ps(_mm256_mul_ps(vn4, vminus_ln2), vz4); |
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const __m256 vt5 = _mm256_add_ps(_mm256_mul_ps(vn5, vminus_ln2), vz5); |
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const __m256 vt6 = _mm256_add_ps(_mm256_mul_ps(vn6, vminus_ln2), vz6); |
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const __m256 vt7 = _mm256_add_ps(_mm256_mul_ps(vn7, vminus_ln2), vz7); |
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__m256 vp0 = _mm256_add_ps(_mm256_mul_ps(vc3, vt0), vc2); |
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__m256 vp1 = _mm256_add_ps(_mm256_mul_ps(vc3, vt1), vc2); |
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__m256 vp2 = _mm256_add_ps(_mm256_mul_ps(vc3, vt2), vc2); |
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__m256 vp3 = _mm256_add_ps(_mm256_mul_ps(vc3, vt3), vc2); |
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__m256 vp4 = _mm256_add_ps(_mm256_mul_ps(vc3, vt4), vc2); |
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__m256 vp5 = _mm256_add_ps(_mm256_mul_ps(vc3, vt5), vc2); |
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__m256 vp6 = _mm256_add_ps(_mm256_mul_ps(vc3, vt6), vc2); |
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__m256 vp7 = _mm256_add_ps(_mm256_mul_ps(vc3, vt7), vc2); |
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vp0 = _mm256_add_ps(_mm256_mul_ps(vp0, vt0), vtwo); |
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vp1 = _mm256_add_ps(_mm256_mul_ps(vp1, vt1), vtwo); |
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vp2 = _mm256_add_ps(_mm256_mul_ps(vp2, vt2), vtwo); |
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vp3 = _mm256_add_ps(_mm256_mul_ps(vp3, vt3), vtwo); |
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vp4 = _mm256_add_ps(_mm256_mul_ps(vp4, vt4), vtwo); |
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vp5 = _mm256_add_ps(_mm256_mul_ps(vp5, vt5), vtwo); |
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vp6 = _mm256_add_ps(_mm256_mul_ps(vp6, vt6), vtwo); |
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vp7 = _mm256_add_ps(_mm256_mul_ps(vp7, vt7), vtwo); |
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const __m256 vts0 = _mm256_mul_ps(vt0, vs0); |
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const __m256 vsmo0 = _mm256_add_ps(vs0, vminus_one); |
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const __m256 vts1 = _mm256_mul_ps(vt1, vs1); |
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const __m256 vsmo1 = _mm256_add_ps(vs1, vminus_one); |
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const __m256 vts2 = _mm256_mul_ps(vt2, vs2); |
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const __m256 vsmo2 = _mm256_add_ps(vs2, vminus_one); |
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const __m256 vts3 = _mm256_mul_ps(vt3, vs3); |
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const __m256 vsmo3 = _mm256_add_ps(vs3, vminus_one); |
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const __m256 vts4 = _mm256_mul_ps(vt4, vs4); |
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const __m256 vsmo4 = _mm256_add_ps(vs4, vminus_one); |
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const __m256 vts5 = _mm256_mul_ps(vt5, vs5); |
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const __m256 vsmo5 = _mm256_add_ps(vs5, vminus_one); |
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const __m256 vts6 = _mm256_mul_ps(vt6, vs6); |
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const __m256 vsmo6 = _mm256_add_ps(vs6, vminus_one); |
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const __m256 vts7 = _mm256_mul_ps(vt7, vs7); |
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const __m256 vsmo7 = _mm256_add_ps(vs7, vminus_one); |
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const __m256 vemo0 = _mm256_add_ps(_mm256_mul_ps(vp0, vts0), vsmo0); |
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const __m256 vemo1 = _mm256_add_ps(_mm256_mul_ps(vp1, vts1), vsmo1); |
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const __m256 vemo2 = _mm256_add_ps(_mm256_mul_ps(vp2, vts2), vsmo2); |
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const __m256 vemo3 = _mm256_add_ps(_mm256_mul_ps(vp3, vts3), vsmo3); |
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const __m256 vemo4 = _mm256_add_ps(_mm256_mul_ps(vp4, vts4), vsmo4); |
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const __m256 vemo5 = _mm256_add_ps(_mm256_mul_ps(vp5, vts5), vsmo5); |
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const __m256 vemo6 = _mm256_add_ps(_mm256_mul_ps(vp6, vts6), vsmo6); |
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const __m256 vemo7 = _mm256_add_ps(_mm256_mul_ps(vp7, vts7), vsmo7); |
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const __m256 vepo0 = _mm256_add_ps(vemo0, vtwo); |
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const __m256 vepo1 = _mm256_add_ps(vemo1, vtwo); |
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const __m256 vepo2 = _mm256_add_ps(vemo2, vtwo); |
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const __m256 vepo3 = _mm256_add_ps(vemo3, vtwo); |
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const __m256 vepo4 = _mm256_add_ps(vemo4, vtwo); |
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const __m256 vepo5 = _mm256_add_ps(vemo5, vtwo); |
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const __m256 vepo6 = _mm256_add_ps(vemo6, vtwo); |
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const __m256 vepo7 = _mm256_add_ps(vemo7, vtwo); |
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__m256 vy0 = _mm256_div_ps(vemo0, vepo0); |
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__m256 vy1 = _mm256_div_ps(vemo1, vepo1); |
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__m256 vy2 = _mm256_div_ps(vemo2, vepo2); |
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__m256 vy3 = _mm256_div_ps(vemo3, vepo3); |
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__m256 vy4 = _mm256_div_ps(vemo4, vepo4); |
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__m256 vy5 = _mm256_div_ps(vemo5, vepo5); |
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__m256 vy6 = _mm256_div_ps(vemo6, vepo6); |
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__m256 vy7 = _mm256_div_ps(vemo7, vepo7); |
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__m128i vh0 = _mm256_cvtps_ph(vy0, _MM_FROUND_TO_NEAREST_INT); |
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__m128i vh1 = _mm256_cvtps_ph(vy1, _MM_FROUND_TO_NEAREST_INT); |
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__m128i vh2 = _mm256_cvtps_ph(vy2, _MM_FROUND_TO_NEAREST_INT); |
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__m128i vh3 = _mm256_cvtps_ph(vy3, _MM_FROUND_TO_NEAREST_INT); |
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__m128i vh4 = _mm256_cvtps_ph(vy4, _MM_FROUND_TO_NEAREST_INT); |
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__m128i vh5 = _mm256_cvtps_ph(vy5, _MM_FROUND_TO_NEAREST_INT); |
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__m128i vh6 = _mm256_cvtps_ph(vy6, _MM_FROUND_TO_NEAREST_INT); |
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__m128i vh7 = _mm256_cvtps_ph(vy7, _MM_FROUND_TO_NEAREST_INT); |
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vh0 = _mm_xor_si128(vh0, vinvsignx0); |
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vh1 = _mm_xor_si128(vh1, vinvsignx1); |
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vh2 = _mm_xor_si128(vh2, vinvsignx2); |
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vh3 = _mm_xor_si128(vh3, vinvsignx3); |
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vh4 = _mm_xor_si128(vh4, vinvsignx4); |
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vh5 = _mm_xor_si128(vh5, vinvsignx5); |
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vh6 = _mm_xor_si128(vh6, vinvsignx6); |
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vh7 = _mm_xor_si128(vh7, vinvsignx7); |
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_mm_storeu_si128((__m128i*) o, vh0); |
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_mm_storeu_si128((__m128i*) (o + 8), vh1); |
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_mm_storeu_si128((__m128i*) (o + 16), vh2); |
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_mm_storeu_si128((__m128i*) (o + 24), vh3); |
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_mm_storeu_si128((__m128i*) (o + 32), vh4); |
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_mm_storeu_si128((__m128i*) (o + 40), vh5); |
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_mm_storeu_si128((__m128i*) (o + 48), vh6); |
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_mm_storeu_si128((__m128i*) (o + 56), vh7); |
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o += 64; |
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} |
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for (; batch >= 8 * sizeof(uint16_t); batch -= 8 * sizeof(uint16_t)) { |
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const __m128i vx = _mm_loadu_si128((const __m128i*) i); |
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i += 8; |
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const __m128i vabsx = _mm_or_si128(vx, vsign_mask); |
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__m256 vz = _mm256_cvtph_ps(vabsx); |
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const __m128i vinvsignx = _mm_xor_si128(vx, vabsx); |
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vz = _mm256_max_ps(vsat_cutoff, vz); |
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__m256 vn = _mm256_add_ps(_mm256_mul_ps(vz, vlog2e), vmagic_bias); |
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const __m128 vn_hi = _mm256_extractf128_ps(vn, 1); |
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__m256 vs = _mm256_castps128_ps256(_mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(_mm256_castps256_ps128(vn)), 23))); |
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const __m128 vs_hi = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn_hi), 23)); |
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vs = _mm256_insertf128_ps(vs, vs_hi, 1); |
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vn = _mm256_sub_ps(vn, vmagic_bias); |
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const __m256 vt = _mm256_add_ps(_mm256_mul_ps(vn, vminus_ln2), vz); |
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__m256 vp = _mm256_add_ps(_mm256_mul_ps(vc3, vt), vc2); |
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vp = _mm256_add_ps(_mm256_mul_ps(vp, vt), vtwo); |
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const __m256 vts = _mm256_mul_ps(vt, vs); |
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const __m256 vsmo = _mm256_add_ps(vs, vminus_one); |
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const __m256 vemo = _mm256_add_ps(_mm256_mul_ps(vp, vts), vsmo); |
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const __m256 vepo = _mm256_add_ps(vemo, vtwo); |
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__m256 vy = _mm256_div_ps(vemo, vepo); |
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__m128i vh = _mm256_cvtps_ph(vy, _MM_FROUND_TO_NEAREST_INT); |
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vh = _mm_xor_si128(vh, vinvsignx); |
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_mm_storeu_si128((__m128i*) o, vh); |
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o += 8; |
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} |
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if (batch != 0) { |
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const __m128i vx = _mm_loadu_si128((const __m128i*) i); |
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const __m128i vabsx = _mm_or_si128(vx, vsign_mask); |
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__m256 vz = _mm256_cvtph_ps(vabsx); |
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const __m128i vinvsignx = _mm_xor_si128(vx, vabsx); |
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vz = _mm256_max_ps(vsat_cutoff, vz); |
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__m256 vn = _mm256_add_ps(_mm256_mul_ps(vz, vlog2e), vmagic_bias); |
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const __m128 vn_hi = _mm256_extractf128_ps(vn, 1); |
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__m256 vs = _mm256_castps128_ps256(_mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(_mm256_castps256_ps128(vn)), 23))); |
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const __m128 vs_hi = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn_hi), 23)); |
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vs = _mm256_insertf128_ps(vs, vs_hi, 1); |
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vn = _mm256_sub_ps(vn, vmagic_bias); |
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const __m256 vt = _mm256_add_ps(_mm256_mul_ps(vn, vminus_ln2), vz); |
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__m256 vp = _mm256_add_ps(_mm256_mul_ps(vc3, vt), vc2); |
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vp = _mm256_add_ps(_mm256_mul_ps(vp, vt), vtwo); |
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const __m256 vts = _mm256_mul_ps(vt, vs); |
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const __m256 vsmo = _mm256_add_ps(vs, vminus_one); |
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const __m256 vemo = _mm256_add_ps(_mm256_mul_ps(vp, vts), vsmo); |
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const __m256 vepo = _mm256_add_ps(vemo, vtwo); |
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__m256 vy = _mm256_div_ps(vemo, vepo); |
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__m128i vh = _mm256_cvtps_ph(vy, _MM_FROUND_TO_NEAREST_INT); |
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vh = _mm_xor_si128(vh, vinvsignx); |
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if (batch & (4 * sizeof(uint16_t))) { |
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_mm_storel_epi64((__m128i*) o, vh); |
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vh = _mm_unpackhi_epi64(vh, vh); |
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o += 4; |
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} |
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if (batch & (2 * sizeof(uint16_t))) { |
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_mm_storeu_si32(o, vh); |
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vh = _mm_srli_epi64(vh, 32); |
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o += 2; |
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} |
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if (batch & (1 * sizeof(uint16_t))) { |
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*o = (uint16_t) _mm_extract_epi16(vh, 0); |
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} |
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} |
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} |
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