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Vectorization
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@ -6709,27 +6709,46 @@ qmckl_exit_code qmckl_compute_jastrow_champ_factor_een_rescaled_e_gl_hpc (
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if (elec_num <= 0) return QMCKL_INVALID_ARG_3;
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if (cord_num < 0) return QMCKL_INVALID_ARG_4;
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double* restrict elec_dist_gl = (double*) calloc(elec_num * 4 * elec_num, sizeof(double));
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assert (elec_dist_gl != NULL);
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double* restrict elec_dist_gl0 = (double*) calloc(elec_num * elec_num, sizeof(double));
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double* restrict elec_dist_gl1 = (double*) calloc(elec_num * elec_num, sizeof(double));
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double* restrict elec_dist_gl2 = (double*) calloc(elec_num * elec_num, sizeof(double));
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double* restrict elec_dist_gl3 = (double*) calloc(elec_num * elec_num, sizeof(double));
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assert (elec_dist_gl0 != NULL);
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assert (elec_dist_gl1 != NULL);
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assert (elec_dist_gl2 != NULL);
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assert (elec_dist_gl3 != NULL);
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#pragma omp parallel for
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for (int64_t nw = 0; nw < walk_num; ++nw) {
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double rij_inv[elec_num];
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for (int64_t j = 0; j < elec_num; ++j) {
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for (int64_t i = 0; i < j ; ++i) {
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double rij_inv = 1.0 / ee_distance[i + j * elec_num + nw * elec_num * elec_num];
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for (int64_t ii = 0; ii < 3; ++ii) {
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elec_dist_gl[i + ii * elec_num + j * 4 * elec_num] =
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(coord_ee[i + ii * elec_num + nw * elec_num * 3] - coord_ee[j + ii * elec_num + nw * elec_num * 3]) * rij_inv;
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}
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elec_dist_gl[i + 3 * elec_num + j * 4 * elec_num] = 2.0 * rij_inv;
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#ifdef HAVE_OPENMP
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#pragma omp simd
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#endif
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for (int64_t i = 0; i < elec_num ; ++i) {
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rij_inv[i] = ee_distance[i + j * elec_num + nw * elec_num * elec_num] + 1.e-30;
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}
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for (int64_t i = j+1; i < elec_num; ++i) {
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double rij_inv = 1.0 / ee_distance[i + j * elec_num + nw * elec_num * elec_num];
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for (int64_t ii = 0; ii < 3; ++ii) {
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elec_dist_gl[i + ii * elec_num + j * 4 * elec_num] =
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(coord_ee[i + ii * elec_num + nw * elec_num * 3] - coord_ee[j + ii * elec_num + nw * elec_num * 3]) * rij_inv;
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}
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elec_dist_gl[i + 3 * elec_num + j * 4 * elec_num] = 2.0 * rij_inv;
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#ifdef HAVE_OPENMP
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#pragma omp simd
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#endif
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for (int64_t i = 0; i < elec_num ; ++i) {
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rij_inv[i] = 1.0/rij_inv[i];
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}
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rij_inv[j] = 0.;
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const double xj = coord_ee[j + nw * elec_num * 3];
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const double yj = coord_ee[j + elec_num + nw * elec_num * 3];
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const double zj = coord_ee[j + 2 * elec_num + nw * elec_num * 3];
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#ifdef HAVE_OPENMP
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#pragma omp simd
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#endif
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for (int64_t i = 0; i < elec_num ; ++i) {
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const double xi = coord_ee[i + nw * elec_num * 3];
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const double yi = coord_ee[i + elec_num + nw * elec_num * 3];
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const double zi = coord_ee[i + 2 * elec_num + nw * elec_num * 3];
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elec_dist_gl0[i + j * elec_num] = rij_inv[i] * (xi-xj);
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elec_dist_gl1[i + j * elec_num] = rij_inv[i] * (yi-yj);
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elec_dist_gl2[i + j * elec_num] = rij_inv[i] * (zi-zj);
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elec_dist_gl3[i + j * elec_num] = rij_inv[i] + rij_inv[i];
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}
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}
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@ -6738,17 +6757,27 @@ qmckl_exit_code qmckl_compute_jastrow_champ_factor_een_rescaled_e_gl_hpc (
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for (int64_t j = 0; j < elec_num; ++j) {
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double* restrict eegl = &een_rescaled_e_gl[ elec_num * 4 * (j + elec_num * (l + (cord_num + 1) * nw))];
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const double* restrict ee = &een_rescaled_e [ elec_num * (j + elec_num * (l + (cord_num + 1) * nw))];
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for (int64_t k = 0; k < 4; ++k) {
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for (int64_t i = 0; i < elec_num; ++i) {
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eegl[i + elec_num * k] = kappa_l * elec_dist_gl[i + k * elec_num + j * 4 * elec_num];
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}
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#ifdef HAVE_OPENMP
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#pragma omp simd
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#endif
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for (int64_t i = 0; i < elec_num; ++i) {
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eegl[i ] = kappa_l * elec_dist_gl0[i + j * elec_num];
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eegl[i + elec_num ] = kappa_l * elec_dist_gl1[i + j * elec_num];
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eegl[i + elec_num * 2] = kappa_l * elec_dist_gl2[i + j * elec_num];
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eegl[i + elec_num * 3] = kappa_l * elec_dist_gl3[i + j * elec_num];
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}
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#ifdef HAVE_OPENMP
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#pragma omp simd
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#endif
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for (int64_t i = 0; i < elec_num; ++i) {
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eegl[i + elec_num*3] = eegl[i + elec_num*3] +
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eegl[i] * eegl[i] +
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eegl[i + elec_num*1] * eegl[i + elec_num*1] +
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eegl[i + elec_num*2] * eegl[i + elec_num*2];
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}
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#ifdef HAVE_OPENMP
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#pragma omp simd
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#endif
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for (int64_t i = 0; i < elec_num; ++i) {
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eegl[i ] *= ee[i];
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eegl[i + elec_num * 1] *= ee[i];
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@ -6759,7 +6788,10 @@ qmckl_exit_code qmckl_compute_jastrow_champ_factor_een_rescaled_e_gl_hpc (
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}
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}
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free(elec_dist_gl);
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free(elec_dist_gl0);
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free(elec_dist_gl1);
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free(elec_dist_gl2);
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free(elec_dist_gl3);
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return QMCKL_SUCCESS;
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}
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