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Commit 7bd8e8b3 authored by James Willis's avatar James Willis
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Removed unused, broken vectorised version of runner_doself1_density.

parent de4d7b38
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src/runner_doiact_vec.c
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......@@ -604,370 +604,6 @@ __attribute__((always_inline)) INLINE void runner_doself1_density_vec(
#endif /* WITH_VECTORIZATION */
}
/**
* @brief Compute the cell self-interaction (non-symmetric) using vector
* intrinsics with two particle pis at a time.
*
* CURRENTLY BROKEN DO NOT USE.
*
* @param r The #runner.
* @param c The #cell.
*/
__attribute__((always_inline)) INLINE void runner_doself1_density_vec_2(
struct runner *r, struct cell *restrict c) {
#ifdef WITH_VECTORIZATION
const struct engine *e = r->e;
int doi_mask;
int doi2_mask;
struct part *restrict pi;
struct part *restrict pi2;
int count_align;
vector v_hi, v_vix, v_viy, v_viz, v_hig2, v_r2;
vector v_hi2, v_vix2, v_viy2, v_viz2, v_hig2_2, v2_r2;
TIMER_TIC
if (!cell_is_active(c, e)) return;
if (!cell_is_drifted(c, e)) cell_drift_particles(c, e);
/* TODO: Need to find two active particles, not just one. */
struct part *restrict parts = c->parts;
const int count = c->count;
/* Get the particle cache from the runner and re-allocate
* the cache if it is not big enough for the cell. */
struct cache *restrict cell_cache = &r->ci_cache;
if (cell_cache->count < count) {
cache_init(cell_cache, count);
}
/* Read the particles from the cell and store them locally in the cache. */
cache_read_particles(c, &r->ci_cache);
/* Create two secondary caches. */
int icount = 0, icount_align = 0;
struct c2_cache int_cache;
int icount2 = 0, icount_align2 = 0;
struct c2_cache int_cache2;
/* Loop over the particles in the cell. */
for (int pid = 0; pid < count; pid += 2) {
/* Get a pointer to the ith particle and next i particle. */
pi = &parts[pid];
pi2 = &parts[pid + 1];
/* Is the ith particle active? */
if (!part_is_active(pi, e)) continue;
vector pix, piy, piz;
vector pix2, piy2, piz2;
const float hi = cell_cache->h[pid];
const float hi2 = cell_cache->h[pid + 1];
/* Fill pi position vector. */
pix.v = vec_set1(cell_cache->x[pid]);
piy.v = vec_set1(cell_cache->y[pid]);
piz.v = vec_set1(cell_cache->z[pid]);
v_hi.v = vec_set1(hi);
v_vix.v = vec_set1(cell_cache->vx[pid]);
v_viy.v = vec_set1(cell_cache->vy[pid]);
v_viz.v = vec_set1(cell_cache->vz[pid]);
pix2.v = vec_set1(cell_cache->x[pid + 1]);
piy2.v = vec_set1(cell_cache->y[pid + 1]);
piz2.v = vec_set1(cell_cache->z[pid + 1]);
v_hi2.v = vec_set1(hi2);
v_vix2.v = vec_set1(cell_cache->vx[pid + 1]);
v_viy2.v = vec_set1(cell_cache->vy[pid + 1]);
v_viz2.v = vec_set1(cell_cache->vz[pid + 1]);
const float hig2 = hi * hi * kernel_gamma2;
const float hig2_2 = hi2 * hi2 * kernel_gamma2;
v_hig2.v = vec_set1(hig2);
v_hig2_2.v = vec_set1(hig2_2);
vector rhoSum, rho_dhSum, wcountSum, wcount_dhSum, div_vSum, curlvxSum,
curlvySum, curlvzSum;
vector rhoSum2, rho_dhSum2, wcountSum2, wcount_dhSum2, div_vSum2,
curlvxSum2, curlvySum2, curlvzSum2;
vector v_hi_inv, v_hi_inv2;
v_hi_inv = vec_reciprocal(v_hi);
v_hi_inv2 = vec_reciprocal(v_hi2);
rhoSum.v = vec_setzero();
rho_dhSum.v = vec_setzero();
wcountSum.v = vec_setzero();
wcount_dhSum.v = vec_setzero();
div_vSum.v = vec_setzero();
curlvxSum.v = vec_setzero();
curlvySum.v = vec_setzero();
curlvzSum.v = vec_setzero();
rhoSum2.v = vec_setzero();
rho_dhSum2.v = vec_setzero();
wcountSum2.v = vec_setzero();
wcount_dhSum2.v = vec_setzero();
div_vSum2.v = vec_setzero();
curlvxSum2.v = vec_setzero();
curlvySum2.v = vec_setzero();
curlvzSum2.v = vec_setzero();
/* Pad cache if there is a serial remainder. */
count_align = count;
int rem = count % (NUM_VEC_PROC * VEC_SIZE);
if (rem != 0) {
int pad = (NUM_VEC_PROC * VEC_SIZE) - rem;
count_align += pad;
/* Set positions to the same as particle pi so when the r2 > 0 mask is
* applied these extra contributions are masked out.*/
for (int i = count; i < count_align; i++) {
cell_cache->x[i] = pix.f[0];
cell_cache->y[i] = piy.f[0];
cell_cache->z[i] = piz.f[0];
}
}
vector pjx, pjy, pjz;
vector pjvx, pjvy, pjvz, mj;
vector pjx2, pjy2, pjz2;
vector pjvx2, pjvy2, pjvz2, mj2;
/* Find all of particle pi's interacions and store needed values in
* secondary cache.*/
for (int pjd = 0; pjd < count_align; pjd += (NUM_VEC_PROC * VEC_SIZE)) {
/* Load 2 sets of vectors from the particle cache. */
pjx.v = vec_load(&cell_cache->x[pjd]);
pjy.v = vec_load(&cell_cache->y[pjd]);
pjz.v = vec_load(&cell_cache->z[pjd]);
pjvx.v = vec_load(&cell_cache->vx[pjd]);
pjvy.v = vec_load(&cell_cache->vy[pjd]);
pjvz.v = vec_load(&cell_cache->vz[pjd]);
mj.v = vec_load(&cell_cache->m[pjd]);
pjx2.v = vec_load(&cell_cache->x[pjd + VEC_SIZE]);
pjy2.v = vec_load(&cell_cache->y[pjd + VEC_SIZE]);
pjz2.v = vec_load(&cell_cache->z[pjd + VEC_SIZE]);
pjvx2.v = vec_load(&cell_cache->vx[pjd + VEC_SIZE]);
pjvy2.v = vec_load(&cell_cache->vy[pjd + VEC_SIZE]);
pjvz2.v = vec_load(&cell_cache->vz[pjd + VEC_SIZE]);
mj2.v = vec_load(&cell_cache->m[pjd + VEC_SIZE]);
/* Compute the pairwise distance. */
vector v_dx_tmp, v_dy_tmp, v_dz_tmp;
vector v_dx_tmp2, v_dy_tmp2, v_dz_tmp2, v_r2_2;
vector v_dx2_tmp, v_dy2_tmp, v_dz2_tmp;
vector v_dx2_tmp2, v_dy2_tmp2, v_dz2_tmp2, v2_r2_2;
v_dx_tmp.v = vec_sub(pix.v, pjx.v);
v_dy_tmp.v = vec_sub(piy.v, pjy.v);
v_dz_tmp.v = vec_sub(piz.v, pjz.v);
v_dx_tmp2.v = vec_sub(pix.v, pjx2.v);
v_dy_tmp2.v = vec_sub(piy.v, pjy2.v);
v_dz_tmp2.v = vec_sub(piz.v, pjz2.v);
v_dx2_tmp.v = vec_sub(pix2.v, pjx.v);
v_dy2_tmp.v = vec_sub(piy2.v, pjy.v);
v_dz2_tmp.v = vec_sub(piz2.v, pjz.v);
v_dx2_tmp2.v = vec_sub(pix2.v, pjx2.v);
v_dy2_tmp2.v = vec_sub(piy2.v, pjy2.v);
v_dz2_tmp2.v = vec_sub(piz2.v, pjz2.v);
v_r2.v = vec_mul(v_dx_tmp.v, v_dx_tmp.v);
v_r2.v = vec_fma(v_dy_tmp.v, v_dy_tmp.v, v_r2.v);
v_r2.v = vec_fma(v_dz_tmp.v, v_dz_tmp.v, v_r2.v);
v_r2_2.v = vec_mul(v_dx_tmp2.v, v_dx_tmp2.v);
v_r2_2.v = vec_fma(v_dy_tmp2.v, v_dy_tmp2.v, v_r2_2.v);
v_r2_2.v = vec_fma(v_dz_tmp2.v, v_dz_tmp2.v, v_r2_2.v);
v2_r2.v = vec_mul(v_dx2_tmp.v, v_dx2_tmp.v);
v2_r2.v = vec_fma(v_dy2_tmp.v, v_dy2_tmp.v, v2_r2.v);
v2_r2.v = vec_fma(v_dz2_tmp.v, v_dz2_tmp.v, v2_r2.v);
v2_r2_2.v = vec_mul(v_dx2_tmp2.v, v_dx2_tmp2.v);
v2_r2_2.v = vec_fma(v_dy2_tmp2.v, v_dy2_tmp2.v, v2_r2_2.v);
v2_r2_2.v = vec_fma(v_dz2_tmp2.v, v_dz2_tmp2.v, v2_r2_2.v);
/* Form a mask from r2 < hig2 and r2 > 0.*/
#ifdef HAVE_AVX512_F
// KNL_MASK_16 doi_mask, doi_mask_check, doi_mask2, doi_mask2_check;
KNL_MASK_16 doi_mask_check, doi_mask2, doi_mask2_check;
KNL_MASK_16 doi2_mask_check, doi2_mask2, doi2_mask2_check;
doi_mask_check = vec_cmp_gt(v_r2.v, vec_setzero());
doi_mask = vec_cmp_lt(v_r2.v, v_hig2.v);
doi2_mask_check = vec_cmp_gt(v2_r2.v, vec_setzero());
doi2_mask = vec_cmp_lt(v2_r2.v, v_hig2_2.v);
doi_mask2_check = vec_cmp_gt(v_r2_2.v, vec_setzero());
doi_mask2 = vec_cmp_lt(v_r2_2.v, v_hig2.v);
doi2_mask2_check = vec_cmp_gt(v2_r2_2.v, vec_setzero());
doi2_mask2 = vec_cmp_lt(v2_r2_2.v, v_hig2_2.v);
doi_mask = doi_mask & doi_mask_check;
doi_mask2 = doi_mask2 & doi_mask2_check;
doi2_mask = doi2_mask & doi2_mask_check;
doi2_mask2 = doi2_mask2 & doi2_mask2_check;
#else
vector v_doi_mask, v_doi_mask_check, v_doi_mask2, v_doi_mask2_check;
int doi_mask2;
vector v_doi2_mask, v_doi2_mask_check, v_doi2_mask2, v_doi2_mask2_check;
int doi2_mask2;
v_doi_mask_check.v = vec_cmp_gt(v_r2.v, vec_setzero());
v_doi_mask.v = vec_cmp_lt(v_r2.v, v_hig2.v);
v_doi2_mask_check.v = vec_cmp_gt(v2_r2.v, vec_setzero());
v_doi2_mask.v = vec_cmp_lt(v2_r2.v, v_hig2_2.v);
v_doi_mask2_check.v = vec_cmp_gt(v_r2_2.v, vec_setzero());
v_doi_mask2.v = vec_cmp_lt(v_r2_2.v, v_hig2.v);
v_doi2_mask2_check.v = vec_cmp_gt(v2_r2_2.v, vec_setzero());
v_doi2_mask2.v = vec_cmp_lt(v2_r2_2.v, v_hig2_2.v);
doi_mask = vec_cmp_result(vec_and(v_doi_mask.v, v_doi_mask_check.v));
doi_mask2 = vec_cmp_result(vec_and(v_doi_mask2.v, v_doi_mask2_check.v));
doi2_mask = vec_cmp_result(vec_and(v_doi2_mask.v, v_doi2_mask_check.v));
doi2_mask2 =
vec_cmp_result(vec_and(v_doi2_mask2.v, v_doi2_mask2_check.v));
#endif /* HAVE_AVX512_F */
/* Hit or miss? */
// if (doi_mask) {
storeInteractions(doi_mask, pjd, &v_r2, &v_dx_tmp, &v_dy_tmp, &v_dz_tmp,
&mj, &pjvx, &pjvy, &pjvz, cell_cache, &int_cache,
&icount, &rhoSum, &rho_dhSum, &wcountSum, &wcount_dhSum,
&div_vSum, &curlvxSum, &curlvySum, &curlvzSum, v_hi_inv,
v_vix, v_viy, v_viz);
//}
// if (doi2_mask) {
storeInteractions(
doi2_mask, pjd, &v2_r2, &v_dx2_tmp, &v_dy2_tmp, &v_dz2_tmp, &mj,
&pjvx, &pjvy, &pjvz, cell_cache, &int_cache2, &icount2, &rhoSum2,
&rho_dhSum2, &wcountSum2, &wcount_dhSum2, &div_vSum2, &curlvxSum2,
&curlvySum2, &curlvzSum2, v_hi_inv2, v_vix2, v_viy2, v_viz2);
//}
/* Hit or miss? */
// if (doi_mask2) {
storeInteractions(doi_mask2, pjd + VEC_SIZE, &v_r2_2, &v_dx_tmp2,
&v_dy_tmp2, &v_dz_tmp2, &mj2, &pjvx2, &pjvy2, &pjvz2,
cell_cache, &int_cache, &icount, &rhoSum, &rho_dhSum,
&wcountSum, &wcount_dhSum, &div_vSum, &curlvxSum,
&curlvySum, &curlvzSum, v_hi_inv, v_vix, v_viy, v_viz);
//}
// if (doi2_mask2) {
storeInteractions(doi2_mask2, pjd + VEC_SIZE, &v2_r2_2, &v_dx2_tmp2,
&v_dy2_tmp2, &v_dz2_tmp2, &mj2, &pjvx2, &pjvy2, &pjvz2,
cell_cache, &int_cache2, &icount2, &rhoSum2,
&rho_dhSum2, &wcountSum2, &wcount_dhSum2, &div_vSum2,
&curlvxSum2, &curlvySum2, &curlvzSum2, v_hi_inv2,
v_vix2, v_viy2, v_viz2);
//}
}
/* Perform padded vector remainder interactions if any are present. */
calcRemInteractions(&int_cache, icount, &rhoSum, &rho_dhSum, &wcountSum,
&wcount_dhSum, &div_vSum, &curlvxSum, &curlvySum,
&curlvzSum, v_hi_inv, v_vix, v_viy, v_viz,
&icount_align);
calcRemInteractions(&int_cache2, icount2, &rhoSum2, &rho_dhSum2,
&wcountSum2, &wcount_dhSum2, &div_vSum2, &curlvxSum2,
&curlvySum2, &curlvzSum2, v_hi_inv2, v_vix2, v_viy2,
v_viz2, &icount_align2);
/* Initialise masks to true incase remainder interactions have been
* performed. */
vector int_mask, int_mask2;
vector int2_mask, int2_mask2;
#ifdef HAVE_AVX512_F
KNL_MASK_16 knl_mask = 0xFFFF;
KNL_MASK_16 knl_mask2 = 0xFFFF;
int_mask.m = vec_setint1(0xFFFFFFFF);
int_mask2.m = vec_setint1(0xFFFFFFFF);
int2_mask.m = vec_setint1(0xFFFFFFFF);
int2_mask2.m = vec_setint1(0xFFFFFFFF);
#else
int_mask.m = vec_setint1(0xFFFFFFFF);
int_mask2.m = vec_setint1(0xFFFFFFFF);
int2_mask.m = vec_setint1(0xFFFFFFFF);
int2_mask2.m = vec_setint1(0xFFFFFFFF);
#endif
/* Perform interaction with 2 vectors. */
for (int pjd = 0; pjd < icount_align; pjd += (NUM_VEC_PROC * VEC_SIZE)) {
runner_iact_nonsym_2_vec_density(
&int_cache.r2q[pjd], &int_cache.dxq[pjd], &int_cache.dyq[pjd],
&int_cache.dzq[pjd], v_hi_inv, v_vix, v_viy, v_viz,
&int_cache.vxq[pjd], &int_cache.vyq[pjd], &int_cache.vzq[pjd],
&int_cache.mq[pjd], &rhoSum, &rho_dhSum, &wcountSum, &wcount_dhSum,
&div_vSum, &curlvxSum, &curlvySum, &curlvzSum, int_mask, int_mask2,
#ifdef HAVE_AVX512_F
knl_mask, knl_mask2);
#else
0, 0);
#endif
}
for (int pjd = 0; pjd < icount_align2; pjd += (NUM_VEC_PROC * VEC_SIZE)) {
runner_iact_nonsym_2_vec_density(
&int_cache2.r2q[pjd], &int_cache2.dxq[pjd], &int_cache2.dyq[pjd],
&int_cache2.dzq[pjd], v_hi_inv2, v_vix2, v_viy2, v_viz2,
&int_cache2.vxq[pjd], &int_cache2.vyq[pjd], &int_cache2.vzq[pjd],
&int_cache2.mq[pjd], &rhoSum2, &rho_dhSum2, &wcountSum2,
&wcount_dhSum2, &div_vSum2, &curlvxSum2, &curlvySum2, &curlvzSum2,
int2_mask, int2_mask2,
#ifdef HAVE_AVX512_F
knl_mask, knl_mask2);
#else
0, 0);
#endif
}
/* Perform horizontal adds on vector sums and store result in particle pi.
*/
VEC_HADD(rhoSum, pi->rho);
VEC_HADD(rho_dhSum, pi->density.rho_dh);
VEC_HADD(wcountSum, pi->density.wcount);
VEC_HADD(wcount_dhSum, pi->density.wcount_dh);
VEC_HADD(div_vSum, pi->density.div_v);
VEC_HADD(curlvxSum, pi->density.rot_v[0]);
VEC_HADD(curlvySum, pi->density.rot_v[1]);
VEC_HADD(curlvzSum, pi->density.rot_v[2]);
VEC_HADD(rhoSum2, pi2->rho);
VEC_HADD(rho_dhSum2, pi2->density.rho_dh);
VEC_HADD(wcountSum2, pi2->density.wcount);
VEC_HADD(wcount_dhSum2, pi2->density.wcount_dh);
VEC_HADD(div_vSum2, pi2->density.div_v);
VEC_HADD(curlvxSum2, pi2->density.rot_v[0]);
VEC_HADD(curlvySum2, pi2->density.rot_v[1]);
VEC_HADD(curlvzSum2, pi2->density.rot_v[2]);
/* Reset interaction count. */
icount = 0;
icount2 = 0;
} /* loop over all particles. */
TIMER_TOC(timer_doself_density);
#endif /* WITH_VECTORIZATION */
}
/**
* @brief Compute the density interactions between a cell pair (non-symmetric)
* using vector intrinsics.
......
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