diff options
Diffstat (limited to 'src/maths/simd.c')
| -rw-r--r-- | src/maths/simd.c | 424 |
1 files changed, 212 insertions, 212 deletions
diff --git a/src/maths/simd.c b/src/maths/simd.c index 9e83dcc..fc25de8 100644 --- a/src/maths/simd.c +++ b/src/maths/simd.c @@ -12,144 +12,144 @@ enum PsiSimdCapability psi_detect_simd(void) { #if defined(__x86_64__) || defined(__i386__) - if (__builtin_cpu_supports("avx512f") && __builtin_cpu_supports("avx512dq")) - return PSI_SIMD_AVX512; - if (__builtin_cpu_supports("avx2") && __builtin_cpu_supports("fma")) - return PSI_SIMD_AVX2; + if (__builtin_cpu_supports("avx512f") && __builtin_cpu_supports("avx512dq")) + return PSI_SIMD_AVX512; + if (__builtin_cpu_supports("avx2") && __builtin_cpu_supports("fma")) + return PSI_SIMD_AVX2; - return PSI_SIMD_NONE; + return PSI_SIMD_NONE; #elif defined(__aarch64__) - return PSI_SIMD_NEON; + return PSI_SIMD_NEON; #else - return PSI_SIMD_NONE; + return PSI_SIMD_NONE; #endif } const char* psi_simd_name(enum PsiSimdCapability cap) { - switch (cap) - { - case PSI_SIMD_NONE: return "Scalar"; - case PSI_SIMD_AVX2: return "AVX2+FMA"; - case PSI_SIMD_AVX512: return "AVX-512"; - case PSI_SIMD_NEON: return "NEON"; - } + switch (cap) + { + case PSI_SIMD_NONE: return "Scalar"; + case PSI_SIMD_AVX2: return "AVX2+FMA"; + case PSI_SIMD_AVX512: return "AVX-512"; + case PSI_SIMD_NEON: return "NEON"; + } - return "Scalar"; + return "Scalar"; } static void apply_pair(struct PsiComplex* state, size_t i, size_t j, struct PsiComplex g00, struct PsiComplex g01, struct PsiComplex g10, struct PsiComplex g11) { - struct PsiComplex s0 = state[i]; - struct PsiComplex s1 = state[j]; + struct PsiComplex s0 = state[i]; + struct PsiComplex s1 = state[j]; - state[i] = psi_new_complex(s0.real * g00.real - s0.imaginary * g00.imaginary + - s1.real * g01.real - s1.imaginary * g01.imaginary, - s0.real * g00.imaginary + s0.imaginary * g00.real + - s1.real * g01.imaginary + s1.imaginary * g01.real); - state[j] = psi_new_complex(s0.real * g10.real - s0.imaginary * g10.imaginary + - s1.real * g11.real - s1.imaginary * g11.imaginary, - s0.real * g10.imaginary + s0.imaginary * g10.real + - s1.real * g11.imaginary + s1.imaginary * g11.real); + state[i] = psi_new_complex(s0.real * g00.real - s0.imaginary * g00.imaginary + + s1.real * g01.real - s1.imaginary * g01.imaginary, + s0.real * g00.imaginary + s0.imaginary * g00.real + + s1.real * g01.imaginary + s1.imaginary * g01.real); + state[j] = psi_new_complex(s0.real * g10.real - s0.imaginary * g10.imaginary + + s1.real * g11.real - s1.imaginary * g11.imaginary, + s0.real * g10.imaginary + s0.imaginary * g10.real + + s1.real * g11.imaginary + s1.imaginary * g11.real); } static void apply_scalar(struct PsiComplex* state, const struct PsiComplex gate[2][2], size_t target, size_t num_qubits) { - size_t target_bit = num_qubits - 1 - target; - size_t step = (size_t)1 << target_bit; - size_t dim = (size_t)1 << num_qubits; + size_t target_bit = num_qubits - 1 - target; + size_t step = (size_t)1 << target_bit; + size_t dim = (size_t)1 << num_qubits; - for (size_t i = 0; i < dim; i++) - { - if ((i >> target_bit) & 1) - continue; + for (size_t i = 0; i < dim; i++) + { + if ((i >> target_bit) & 1) + continue; - apply_pair(state, i, i | step, gate[0][0], gate[0][1], gate[1][0], gate[1][1]); - } + apply_pair(state, i, i | step, gate[0][0], gate[0][1], gate[1][0], gate[1][1]); + } } static size_t (*build_pairs(size_t dim, size_t target_bit, size_t step, size_t* out_count))[2] { - size_t (*pairs)[2] = malloc((dim / 2) * sizeof(*pairs)); - assert(pairs != NULL || dim == 0); + size_t (*pairs)[2] = malloc((dim / 2) * sizeof(*pairs)); + assert(pairs != NULL || dim == 0); - size_t n = 0; - for (size_t i = 0; i < dim; i++) - if (((i >> target_bit) & 1) == 0) - { - pairs[n][0] = i; - pairs[n][1] = i | step; - n++; - } + size_t n = 0; + for (size_t i = 0; i < dim; i++) + if (((i >> target_bit) & 1) == 0) + { + pairs[n][0] = i; + pairs[n][1] = i | step; + n++; + } - *out_count = n; - return pairs; + *out_count = n; + return pairs; } #if defined(__aarch64__) static void apply_neon(struct PsiComplex* state, const struct PsiComplex gate[2][2], size_t target, size_t num_qubits) { - size_t target_bit = num_qubits - 1 - target; - size_t step = (size_t)1 << target_bit; - size_t dim = (size_t)1 << num_qubits; + size_t target_bit = num_qubits - 1 - target; + size_t step = (size_t)1 << target_bit; + size_t dim = (size_t)1 << num_qubits; - struct PsiComplex g00 = gate[0][0]; - struct PsiComplex g01 = gate[0][1]; - struct PsiComplex g10 = gate[1][0]; - struct PsiComplex g11 = gate[1][1]; + struct PsiComplex g00 = gate[0][0]; + struct PsiComplex g01 = gate[0][1]; + struct PsiComplex g10 = gate[1][0]; + struct PsiComplex g11 = gate[1][1]; - size_t np; - size_t (*pairs)[2] = build_pairs(dim, target_bit, step, &np); - size_t chunks = np / 2; + size_t np; + size_t (*pairs)[2] = build_pairs(dim, target_bit, step, &np); + size_t chunks = np / 2; - float64x2_t g00_re = vdupq_n_f64(g00.real); - float64x2_t g00_im = vdupq_n_f64(g00.imaginary); - float64x2_t g01_re = vdupq_n_f64(g01.real); - float64x2_t g01_im = vdupq_n_f64(g01.imaginary); - float64x2_t g10_re = vdupq_n_f64(g10.real); - float64x2_t g10_im = vdupq_n_f64(g10.imaginary); - float64x2_t g11_re = vdupq_n_f64(g11.real); - float64x2_t g11_im = vdupq_n_f64(g11.imaginary); + float64x2_t g00_re = vdupq_n_f64(g00.real); + float64x2_t g00_im = vdupq_n_f64(g00.imaginary); + float64x2_t g01_re = vdupq_n_f64(g01.real); + float64x2_t g01_im = vdupq_n_f64(g01.imaginary); + float64x2_t g10_re = vdupq_n_f64(g10.real); + float64x2_t g10_im = vdupq_n_f64(g10.imaginary); + float64x2_t g11_re = vdupq_n_f64(g11.real); + float64x2_t g11_im = vdupq_n_f64(g11.imaginary); - for (size_t chunk = 0; chunk < chunks; chunk++) - { - size_t i0 = pairs[chunk * 2][0]; - size_t j0 = pairs[chunk * 2][1]; - size_t i1 = pairs[chunk * 2 + 1][0]; - size_t j1 = pairs[chunk * 2 + 1][1]; + for (size_t chunk = 0; chunk < chunks; chunk++) + { + size_t i0 = pairs[chunk * 2][0]; + size_t j0 = pairs[chunk * 2][1]; + size_t i1 = pairs[chunk * 2 + 1][0]; + size_t j1 = pairs[chunk * 2 + 1][1]; - double s0r[2] = { state[i0].real, state[i1].real }; - double s0i[2] = { state[i0].imaginary, state[i1].imaginary }; - double s1r[2] = { state[j0].real, state[j1].real }; - double s1i[2] = { state[j0].imaginary, state[j1].imaginary }; + double s0r[2] = { state[i0].real, state[i1].real }; + double s0i[2] = { state[i0].imaginary, state[i1].imaginary }; + double s1r[2] = { state[j0].real, state[j1].real }; + double s1i[2] = { state[j0].imaginary, state[j1].imaginary }; - float64x2_t s0_re = vld1q_f64(s0r); - float64x2_t s0_im = vld1q_f64(s0i); - float64x2_t s1_re = vld1q_f64(s1r); - float64x2_t s1_im = vld1q_f64(s1i); + float64x2_t s0_re = vld1q_f64(s0r); + float64x2_t s0_im = vld1q_f64(s0i); + float64x2_t s1_re = vld1q_f64(s1r); + float64x2_t s1_im = vld1q_f64(s1i); - float64x2_t new0_re = vaddq_f64(vfmsq_f64(vmulq_f64(s0_re, g00_re), s0_im, g00_im), - vfmsq_f64(vmulq_f64(s1_re, g01_re), s1_im, g01_im)); - float64x2_t new0_im = vaddq_f64(vfmaq_f64(vmulq_f64(s0_re, g00_im), s0_im, g00_re), - vfmaq_f64(vmulq_f64(s1_re, g01_im), s1_im, g01_re)); - float64x2_t new1_re = vaddq_f64(vfmsq_f64(vmulq_f64(s0_re, g10_re), s0_im, g10_im), - vfmsq_f64(vmulq_f64(s1_re, g11_re), s1_im, g11_im)); - float64x2_t new1_im = vaddq_f64(vfmaq_f64(vmulq_f64(s0_re, g10_im), s0_im, g10_re), - vfmaq_f64(vmulq_f64(s1_re, g11_im), s1_im, g11_re)); + float64x2_t new0_re = vaddq_f64(vfmsq_f64(vmulq_f64(s0_re, g00_re), s0_im, g00_im), + vfmsq_f64(vmulq_f64(s1_re, g01_re), s1_im, g01_im)); + float64x2_t new0_im = vaddq_f64(vfmaq_f64(vmulq_f64(s0_re, g00_im), s0_im, g00_re), + vfmaq_f64(vmulq_f64(s1_re, g01_im), s1_im, g01_re)); + float64x2_t new1_re = vaddq_f64(vfmsq_f64(vmulq_f64(s0_re, g10_re), s0_im, g10_im), + vfmsq_f64(vmulq_f64(s1_re, g11_re), s1_im, g11_im)); + float64x2_t new1_im = vaddq_f64(vfmaq_f64(vmulq_f64(s0_re, g10_im), s0_im, g10_re), + vfmaq_f64(vmulq_f64(s1_re, g11_im), s1_im, g11_re)); - state[i0] = psi_new_complex(vgetq_lane_f64(new0_re, 0), vgetq_lane_f64(new0_im, 0)); - state[j0] = psi_new_complex(vgetq_lane_f64(new1_re, 0), vgetq_lane_f64(new1_im, 0)); - state[i1] = psi_new_complex(vgetq_lane_f64(new0_re, 1), vgetq_lane_f64(new0_im, 1)); - state[j1] = psi_new_complex(vgetq_lane_f64(new1_re, 1), vgetq_lane_f64(new1_im, 1)); - } + state[i0] = psi_new_complex(vgetq_lane_f64(new0_re, 0), vgetq_lane_f64(new0_im, 0)); + state[j0] = psi_new_complex(vgetq_lane_f64(new1_re, 0), vgetq_lane_f64(new1_im, 0)); + state[i1] = psi_new_complex(vgetq_lane_f64(new0_re, 1), vgetq_lane_f64(new0_im, 1)); + state[j1] = psi_new_complex(vgetq_lane_f64(new1_re, 1), vgetq_lane_f64(new1_im, 1)); + } - for (size_t p = chunks * 2; p < np; p++) - apply_pair(state, pairs[p][0], pairs[p][1], g00, g01, g10, g11); + for (size_t p = chunks * 2; p < np; p++) + apply_pair(state, pairs[p][0], pairs[p][1], g00, g01, g10, g11); - free(pairs); + free(pairs); } #endif @@ -158,167 +158,167 @@ __attribute__((target("avx2,fma"))) static void apply_avx2(struct PsiComplex* st const struct PsiComplex gate[2][2], size_t target, size_t num_qubits) { - size_t target_bit = num_qubits - 1 - target; - size_t step = (size_t)1 << target_bit; - size_t dim = (size_t)1 << num_qubits; + size_t target_bit = num_qubits - 1 - target; + size_t step = (size_t)1 << target_bit; + size_t dim = (size_t)1 << num_qubits; - struct PsiComplex g00 = gate[0][0]; - struct PsiComplex g01 = gate[0][1]; - struct PsiComplex g10 = gate[1][0]; - struct PsiComplex g11 = gate[1][1]; + struct PsiComplex g00 = gate[0][0]; + struct PsiComplex g01 = gate[0][1]; + struct PsiComplex g10 = gate[1][0]; + struct PsiComplex g11 = gate[1][1]; - size_t np; - size_t (*pairs)[2] = build_pairs(dim, target_bit, step, &np); - size_t chunks = np / 2; + size_t np; + size_t (*pairs)[2] = build_pairs(dim, target_bit, step, &np); + size_t chunks = np / 2; - for (size_t chunk = 0; chunk < chunks; chunk++) - { - size_t i0 = pairs[chunk * 2][0]; - size_t j0 = pairs[chunk * 2][1]; - size_t i1 = pairs[chunk * 2 + 1][0]; - size_t j1 = pairs[chunk * 2 + 1][1]; + for (size_t chunk = 0; chunk < chunks; chunk++) + { + size_t i0 = pairs[chunk * 2][0]; + size_t j0 = pairs[chunk * 2][1]; + size_t i1 = pairs[chunk * 2 + 1][0]; + size_t j1 = pairs[chunk * 2 + 1][1]; - __m256d s0_re = - _mm256_set_pd(state[j1].real, state[i1].real, state[j0].real, state[i0].real); - __m256d s0_im = _mm256_set_pd(state[j1].imaginary, state[i1].imaginary, state[j0].imaginary, - state[i0].imaginary); + __m256d s0_re = + _mm256_set_pd(state[j1].real, state[i1].real, state[j0].real, state[i0].real); + __m256d s0_im = _mm256_set_pd(state[j1].imaginary, state[i1].imaginary, state[j0].imaginary, + state[i0].imaginary); - __m256d g_re_0 = _mm256_set_pd(g01.real, g00.real, g01.real, g00.real); - __m256d g_im_0 = _mm256_set_pd(g01.imaginary, g00.imaginary, g01.imaginary, g00.imaginary); - __m256d g_re_1 = _mm256_set_pd(g11.real, g10.real, g11.real, g10.real); - __m256d g_im_1 = _mm256_set_pd(g11.imaginary, g10.imaginary, g11.imaginary, g10.imaginary); + __m256d g_re_0 = _mm256_set_pd(g01.real, g00.real, g01.real, g00.real); + __m256d g_im_0 = _mm256_set_pd(g01.imaginary, g00.imaginary, g01.imaginary, g00.imaginary); + __m256d g_re_1 = _mm256_set_pd(g11.real, g10.real, g11.real, g10.real); + __m256d g_im_1 = _mm256_set_pd(g11.imaginary, g10.imaginary, g11.imaginary, g10.imaginary); - __m256d prod0_re = _mm256_fmsub_pd(s0_re, g_re_0, _mm256_mul_pd(s0_im, g_im_0)); - __m256d prod0_im = _mm256_fmadd_pd(s0_re, g_im_0, _mm256_mul_pd(s0_im, g_re_0)); - __m256d prod1_re = _mm256_fmsub_pd(s0_re, g_re_1, _mm256_mul_pd(s0_im, g_im_1)); - __m256d prod1_im = _mm256_fmadd_pd(s0_re, g_im_1, _mm256_mul_pd(s0_im, g_re_1)); + __m256d prod0_re = _mm256_fmsub_pd(s0_re, g_re_0, _mm256_mul_pd(s0_im, g_im_0)); + __m256d prod0_im = _mm256_fmadd_pd(s0_re, g_im_0, _mm256_mul_pd(s0_im, g_re_0)); + __m256d prod1_re = _mm256_fmsub_pd(s0_re, g_re_1, _mm256_mul_pd(s0_im, g_im_1)); + __m256d prod1_im = _mm256_fmadd_pd(s0_re, g_im_1, _mm256_mul_pd(s0_im, g_re_1)); - double res0_re[4]; - double res0_im[4]; - double res1_re[4]; - double res1_im[4]; + double res0_re[4]; + double res0_im[4]; + double res1_re[4]; + double res1_im[4]; - _mm256_storeu_pd(res0_re, prod0_re); - _mm256_storeu_pd(res0_im, prod0_im); - _mm256_storeu_pd(res1_re, prod1_re); - _mm256_storeu_pd(res1_im, prod1_im); + _mm256_storeu_pd(res0_re, prod0_re); + _mm256_storeu_pd(res0_im, prod0_im); + _mm256_storeu_pd(res1_re, prod1_re); + _mm256_storeu_pd(res1_im, prod1_im); - state[i0] = psi_new_complex(res0_re[0] + res0_re[1], res0_im[0] + res0_im[1]); - state[j0] = psi_new_complex(res1_re[0] + res1_re[1], res1_im[0] + res1_im[1]); - state[i1] = psi_new_complex(res0_re[2] + res0_re[3], res0_im[2] + res0_im[3]); - state[j1] = psi_new_complex(res1_re[2] + res1_re[3], res1_im[2] + res1_im[3]); - } + state[i0] = psi_new_complex(res0_re[0] + res0_re[1], res0_im[0] + res0_im[1]); + state[j0] = psi_new_complex(res1_re[0] + res1_re[1], res1_im[0] + res1_im[1]); + state[i1] = psi_new_complex(res0_re[2] + res0_re[3], res0_im[2] + res0_im[3]); + state[j1] = psi_new_complex(res1_re[2] + res1_re[3], res1_im[2] + res1_im[3]); + } - for (size_t p = chunks * 2; p < np; p++) - apply_pair(state, pairs[p][0], pairs[p][1], g00, g01, g10, g11); + for (size_t p = chunks * 2; p < np; p++) + apply_pair(state, pairs[p][0], pairs[p][1], g00, g01, g10, g11); - free(pairs); + free(pairs); } __attribute__((target("avx512f,avx512dq"))) static void apply_avx512(struct PsiComplex* state, const struct PsiComplex gate[2][2], size_t target, size_t num_qubits) { - size_t target_bit = num_qubits - 1 - target; - size_t step = (size_t)1 << target_bit; - size_t dim = (size_t)1 << num_qubits; + size_t target_bit = num_qubits - 1 - target; + size_t step = (size_t)1 << target_bit; + size_t dim = (size_t)1 << num_qubits; - struct PsiComplex g00 = gate[0][0]; - struct PsiComplex g01 = gate[0][1]; - struct PsiComplex g10 = gate[1][0]; - struct PsiComplex g11 = gate[1][1]; + struct PsiComplex g00 = gate[0][0]; + struct PsiComplex g01 = gate[0][1]; + struct PsiComplex g10 = gate[1][0]; + struct PsiComplex g11 = gate[1][1]; - size_t np; - size_t (*pairs)[2] = build_pairs(dim, target_bit, step, &np); - size_t chunks = np / 4; + size_t np; + size_t (*pairs)[2] = build_pairs(dim, target_bit, step, &np); + size_t chunks = np / 4; - for (size_t chunk = 0; chunk < chunks; chunk++) - { - size_t base = chunk * 4; - size_t i0 = pairs[base][0], j0 = pairs[base][1]; - size_t i1 = pairs[base + 1][0], j1 = pairs[base + 1][1]; - size_t i2 = pairs[base + 2][0], j2 = pairs[base + 2][1]; - size_t i3 = pairs[base + 3][0], j3 = pairs[base + 3][1]; + for (size_t chunk = 0; chunk < chunks; chunk++) + { + size_t base = chunk * 4; + size_t i0 = pairs[base][0], j0 = pairs[base][1]; + size_t i1 = pairs[base + 1][0], j1 = pairs[base + 1][1]; + size_t i2 = pairs[base + 2][0], j2 = pairs[base + 2][1]; + size_t i3 = pairs[base + 3][0], j3 = pairs[base + 3][1]; - __m512d s0_re = - _mm512_set_pd(state[j3].real, state[i3].real, state[j2].real, state[i2].real, - state[j1].real, state[i1].real, state[j0].real, state[i0].real); - __m512d s0_im = _mm512_set_pd(state[j3].imaginary, state[i3].imaginary, state[j2].imaginary, - state[i2].imaginary, state[j1].imaginary, state[i1].imaginary, - state[j0].imaginary, state[i0].imaginary); + __m512d s0_re = + _mm512_set_pd(state[j3].real, state[i3].real, state[j2].real, state[i2].real, + state[j1].real, state[i1].real, state[j0].real, state[i0].real); + __m512d s0_im = _mm512_set_pd(state[j3].imaginary, state[i3].imaginary, state[j2].imaginary, + state[i2].imaginary, state[j1].imaginary, state[i1].imaginary, + state[j0].imaginary, state[i0].imaginary); - __m512d g_re_0 = _mm512_set_pd(g01.real, g00.real, g01.real, g00.real, g01.real, g00.real, - g01.real, g00.real); - __m512d g_im_0 = _mm512_set_pd(g01.imaginary, g00.imaginary, g01.imaginary, g00.imaginary, - g01.imaginary, g00.imaginary, g01.imaginary, g00.imaginary); - __m512d g_re_1 = _mm512_set_pd(g11.real, g10.real, g11.real, g10.real, g11.real, g10.real, - g11.real, g10.real); - __m512d g_im_1 = _mm512_set_pd(g11.imaginary, g10.imaginary, g11.imaginary, g10.imaginary, - g11.imaginary, g10.imaginary, g11.imaginary, g10.imaginary); + __m512d g_re_0 = _mm512_set_pd(g01.real, g00.real, g01.real, g00.real, g01.real, g00.real, + g01.real, g00.real); + __m512d g_im_0 = _mm512_set_pd(g01.imaginary, g00.imaginary, g01.imaginary, g00.imaginary, + g01.imaginary, g00.imaginary, g01.imaginary, g00.imaginary); + __m512d g_re_1 = _mm512_set_pd(g11.real, g10.real, g11.real, g10.real, g11.real, g10.real, + g11.real, g10.real); + __m512d g_im_1 = _mm512_set_pd(g11.imaginary, g10.imaginary, g11.imaginary, g10.imaginary, + g11.imaginary, g10.imaginary, g11.imaginary, g10.imaginary); - __m512d prod0_re = _mm512_fmsub_pd(s0_re, g_re_0, _mm512_mul_pd(s0_im, g_im_0)); - __m512d prod0_im = _mm512_fmadd_pd(s0_re, g_im_0, _mm512_mul_pd(s0_im, g_re_0)); - __m512d prod1_re = _mm512_fmsub_pd(s0_re, g_re_1, _mm512_mul_pd(s0_im, g_im_1)); - __m512d prod1_im = _mm512_fmadd_pd(s0_re, g_im_1, _mm512_mul_pd(s0_im, g_re_1)); + __m512d prod0_re = _mm512_fmsub_pd(s0_re, g_re_0, _mm512_mul_pd(s0_im, g_im_0)); + __m512d prod0_im = _mm512_fmadd_pd(s0_re, g_im_0, _mm512_mul_pd(s0_im, g_re_0)); + __m512d prod1_re = _mm512_fmsub_pd(s0_re, g_re_1, _mm512_mul_pd(s0_im, g_im_1)); + __m512d prod1_im = _mm512_fmadd_pd(s0_re, g_im_1, _mm512_mul_pd(s0_im, g_re_1)); - double res0_re[8]; - double res0_im[8]; - double res1_re[8]; - double res1_im[8]; + double res0_re[8]; + double res0_im[8]; + double res1_re[8]; + double res1_im[8]; - _mm512_storeu_pd(res0_re, prod0_re); - _mm512_storeu_pd(res0_im, prod0_im); - _mm512_storeu_pd(res1_re, prod1_re); - _mm512_storeu_pd(res1_im, prod1_im); + _mm512_storeu_pd(res0_re, prod0_re); + _mm512_storeu_pd(res0_im, prod0_im); + _mm512_storeu_pd(res1_re, prod1_re); + _mm512_storeu_pd(res1_im, prod1_im); - state[i0] = psi_new_complex(res0_re[0] + res0_re[1], res0_im[0] + res0_im[1]); - state[j0] = psi_new_complex(res1_re[0] + res1_re[1], res1_im[0] + res1_im[1]); - state[i1] = psi_new_complex(res0_re[2] + res0_re[3], res0_im[2] + res0_im[3]); - state[j1] = psi_new_complex(res1_re[2] + res1_re[3], res1_im[2] + res1_im[3]); - state[i2] = psi_new_complex(res0_re[4] + res0_re[5], res0_im[4] + res0_im[5]); - state[j2] = psi_new_complex(res1_re[4] + res1_re[5], res1_im[4] + res1_im[5]); - state[i3] = psi_new_complex(res0_re[6] + res0_re[7], res0_im[6] + res0_im[7]); - state[j3] = psi_new_complex(res1_re[6] + res1_re[7], res1_im[6] + res1_im[7]); - } + state[i0] = psi_new_complex(res0_re[0] + res0_re[1], res0_im[0] + res0_im[1]); + state[j0] = psi_new_complex(res1_re[0] + res1_re[1], res1_im[0] + res1_im[1]); + state[i1] = psi_new_complex(res0_re[2] + res0_re[3], res0_im[2] + res0_im[3]); + state[j1] = psi_new_complex(res1_re[2] + res1_re[3], res1_im[2] + res1_im[3]); + state[i2] = psi_new_complex(res0_re[4] + res0_re[5], res0_im[4] + res0_im[5]); + state[j2] = psi_new_complex(res1_re[4] + res1_re[5], res1_im[4] + res1_im[5]); + state[i3] = psi_new_complex(res0_re[6] + res0_re[7], res0_im[6] + res0_im[7]); + state[j3] = psi_new_complex(res1_re[6] + res1_re[7], res1_im[6] + res1_im[7]); + } - for (size_t p = chunks * 4; p < np; p++) - apply_pair(state, pairs[p][0], pairs[p][1], g00, g01, g10, g11); + for (size_t p = chunks * 4; p < np; p++) + apply_pair(state, pairs[p][0], pairs[p][1], g00, g01, g10, g11); - free(pairs); + free(pairs); } #endif void psi_apply_single_qubit_gate_simd(struct PsiComplex* state, const struct PsiComplex gate[2][2], size_t target, size_t num_qubits) { - enum PsiSimdCapability cap = psi_detect_simd(); + enum PsiSimdCapability cap = psi_detect_simd(); #if defined(__x86_64__) || defined(__i386__) - if (cap == PSI_SIMD_AVX512) - { - apply_avx512(state, gate, target, num_qubits); - return; - } - if (cap == PSI_SIMD_AVX2) - { - apply_avx2(state, gate, target, num_qubits); - return; - } + if (cap == PSI_SIMD_AVX512) + { + apply_avx512(state, gate, target, num_qubits); + return; + } + if (cap == PSI_SIMD_AVX2) + { + apply_avx2(state, gate, target, num_qubits); + return; + } #elif defined(__aarch64__) - if (cap == PSI_SIMD_NEON) - { - apply_neon(state, gate, target, num_qubits); - return; - } + if (cap == PSI_SIMD_NEON) + { + apply_neon(state, gate, target, num_qubits); + return; + } #endif - (void)cap; - apply_scalar(state, gate, target, num_qubits); + (void)cap; + apply_scalar(state, gate, target, num_qubits); } void psi_apply_single_qubit_gate_simd_parallel(struct PsiComplex* state, const struct PsiComplex gate[2][2], size_t target, size_t num_qubits) { - apply_scalar(state, gate, target, num_qubits); + apply_scalar(state, gate, target, num_qubits); } |