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tweak alm2map_deriv1

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This commit is contained in:
Martin Reinecke 2019-01-21 23:45:44 +01:00
parent 48e8268036
commit dc5fbb0afd
1 changed files with 51 additions and 33 deletions
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84
libsharp/sharp_core_inc.c
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@ -770,6 +770,7 @@ NOINLINE static void alm2map_deriv1_kernel(sxdata_v * restrict d,
const sharp_ylmgen_dbl2 * restrict fx, const dcmplx * restrict alm,
int l, int lmax, int nv2)
{
int lsave=l;
while (l<=lmax)
{
Tv fx10=vload(fx[l+1].a),fx11=vload(fx[l+1].b);
@ -779,20 +780,30 @@ NOINLINE static void alm2map_deriv1_kernel(sxdata_v * restrict d,
for (int i=0; i<nv2; ++i)
{
d->l1p[i] = (d->cth[i]*fx10 - fx11)*d->l2p[i] - d->l1p[i];
d->l1m[i] = (d->cth[i]*fx10 + fx11)*d->l2m[i] - d->l1m[i];
Tv lw=d->l2p[i]+d->l2m[i];
d->p1pr[i] += ar1*lw;
d->p1pi[i] += ai1*lw;
Tv lx=d->l2m[i]-d->l2p[i];
d->p2mr[i] += ai1*lx;
d->p2mi[i] -= ar1*lx;
lw=d->l1p[i]+d->l1m[i];
d->p2pr[i] += ar2*lw;
d->p2pi[i] += ai2*lw;
lx=d->l1m[i]-d->l1p[i];
d->p1mr[i] += ai2*lx;
d->p1mi[i] -= ar2*lx;
d->p1pr[i] += ar1*d->l2p[i];
d->p1pi[i] += ai1*d->l2p[i];
d->p1mr[i] -= ai2*d->l1p[i];
d->p1mi[i] += ar2*d->l1p[i];
d->l2p[i] = (d->cth[i]*fx20 - fx21)*d->l1p[i] - d->l2p[i];
}
l+=2;
}
l=lsave;
while (l<=lmax)
{
Tv fx10=vload(fx[l+1].a),fx11=vload(fx[l+1].b);
Tv fx20=vload(fx[l+2].a),fx21=vload(fx[l+2].b);
Tv ar1=vload(creal(alm[l ])), ai1=vload(cimag(alm[l ])),
ar2=vload(creal(alm[l+1])), ai2=vload(cimag(alm[l+1]));
for (int i=0; i<nv2; ++i)
{
d->l1m[i] = (d->cth[i]*fx10 + fx11)*d->l2m[i] - d->l1m[i];
d->p2mr[i] += ai1*d->l2m[i];
d->p2mi[i] -= ar1*d->l2m[i];
d->p2pr[i] += ar2*d->l1m[i];
d->p2pi[i] += ai2*d->l1m[i];
d->l2m[i] = (d->cth[i]*fx20 + fx21)*d->l1m[i] - d->l2m[i];
}
l+=2;
@ -807,7 +818,7 @@ NOINLINE static void calc_alm2map_deriv1(sharp_job * restrict job,
iter_to_ieee_spin(gen, d, &l, nv2);
job->opcnt += (l-gen->mhi) * 7*nth;
if (l>lmax) return;
job->opcnt += (lmax+1-l) * 17*nth;
job->opcnt += (lmax+1-l) * 15*nth;
const sharp_ylmgen_dbl2 * restrict fx = gen->coef;
const dcmplx * restrict alm=job->almtmp;
@ -831,34 +842,32 @@ NOINLINE static void calc_alm2map_deriv1(sharp_job * restrict job,
{
d->l1p[i] = (d->cth[i]*fx10 - fx11)*d->l2p[i] - d->l1p[i];
d->l1m[i] = (d->cth[i]*fx10 + fx11)*d->l2m[i] - d->l1m[i];
Tv lw=d->l2p[i]*d->cfp[i]+d->l2m[i]*d->cfm[i];
d->p1pr[i] += ar1*lw;
d->p1pi[i] += ai1*lw;
Tv lx=d->l2m[i]*d->cfm[i]-d->l2p[i]*d->cfp[i];
d->p2mr[i] += ai1*lx;
d->p2mi[i] -= ar1*lx;
lw=d->l1p[i]*d->cfp[i]+d->l1m[i]*d->cfm[i];
d->p2pr[i] += ar2*lw;
d->p2pi[i] += ai2*lw;
lx=d->l1m[i]*d->cfm[i]-d->l1p[i]*d->cfp[i];
d->p1mr[i] += ai2*lx;
d->p1mi[i] -= ar2*lx;
Tv l2p=d->l2p[i]*d->cfp[i], l2m=d->l2m[i]*d->cfm[i];
Tv l1m=d->l1m[i]*d->cfm[i], l1p=d->l1p[i]*d->cfp[i];
d->p1pr[i] += ar1*l2p;
d->p1pi[i] += ai1*l2p;
d->p1mr[i] -= ai2*l1p;
d->p1mi[i] += ar2*l1p;
d->p2pr[i] += ar2*l1m;
d->p2pi[i] += ai2*l1m;
d->p2mr[i] += ai1*l2m;
d->p2mi[i] -= ar1*l2m;
d->l2p[i] = (d->cth[i]*fx20 - fx21)*d->l1p[i] - d->l2p[i];
d->l2m[i] = (d->cth[i]*fx20 + fx21)*d->l1m[i] - d->l2m[i];
if (rescale(&d->l1p[i], &d->l2p[i], &d->scp[i], vload(sharp_ftol)))
{
getCorfac(d->scp[i], &d->cfp[i], gen->cf);
full_ieee &= vallTrue(vge(d->scp[i],vload(sharp_minscale)));
}
full_ieee &= vallTrue(vge(d->scp[i],vload(sharp_minscale)));
if (rescale(&d->l1m[i], &d->l2m[i], &d->scm[i], vload(sharp_ftol)))
{
getCorfac(d->scm[i], &d->cfm[i], gen->cf);
full_ieee &= vallTrue(vge(d->scm[i],vload(sharp_minscale)));
}
full_ieee &= vallTrue(vge(d->scm[i],vload(sharp_minscale)));
}
l+=2;
}
if (l>lmax) return;
// if (l>lmax) return;
for (int i=0; i<nv2; ++i)
{
@ -868,6 +877,15 @@ NOINLINE static void calc_alm2map_deriv1(sharp_job * restrict job,
d->l2m[i] *= d->cfm[i];
}
alm2map_deriv1_kernel(d, fx, alm, l, lmax, nv2);
for (int i=0; i<nv2; ++i)
{
Tv tmp;
tmp = d->p1pr[i]; d->p1pr[i] -= d->p2mi[i]; d->p2mi[i] += tmp;
tmp = d->p1pi[i]; d->p1pi[i] += d->p2mr[i]; d->p2mr[i] -= tmp;
tmp = d->p1mr[i]; d->p1mr[i] += d->p2pi[i]; d->p2pi[i] -= tmp;
tmp = d->p1mi[i]; d->p1mi[i] -= d->p2pr[i]; d->p2pr[i] += tmp;
}
}