int benchNoCachingNoVector(Vector3D<Precision> const &point, Vector3D<Precision> const &dir,
std::vector<Vector3D<Precision>> const &corners
#ifdef SORTHITBOXES
,
Container_t &hitlist
#endif
)
{
#ifdef INNERTIMER
Stopwatch timer;
timer.Start();
#endif
int vecsize = corners.size() / 2;
int hitcount = 0;
for (auto box = 0; box < vecsize; ++box) {
double distance = BoxImplementation<translation::kIdentity, rotation::kIdentity>::Intersect(
&corners[2 * box], point, dir, 0, vecgeom::kInfLength);
if (distance < vecgeom::kInfLength) {
hitcount++;
#ifdef SORTHITBOXES
hitlist.push_back(BoxIdDistancePair_t(box, distance));
#endif
}
}
#ifdef INNERTIMER
timer.Stop();
std::cerr << "# ORDINARY hitting " << hitcount << "\n";
std::cerr << "# ORDINARY timer " << timer.Elapsed() << "\n";
#endif
return hitcount;
}
int benchCachingAndVector(Vector3D<Precision> const &point, Vector3D<Precision> const &dir,
Vector3D<kVc::precision_v> const *corners, int vecsize
#ifdef SORTHITBOXES
,
Container_t &hitlist
#endif
)
{
#ifdef INNERTIMER
Stopwatch timer;
timer.Start();
#endif
Vector3D<Precision> invdir(1. / dir.x(), 1. / dir.y(), 1. / dir.z());
int hitcount = 0;
int sign[3];
sign[0] = invdir.x() < 0;
sign[1] = invdir.y() < 0;
sign[2] = invdir.z() < 0;
for (auto box = 0; box < vecsize; ++box) {
kVc::precision_v distance =
BoxImplementation<translation::kIdentity, rotation::kIdentity>::IntersectCachedKernel2<kVc>(
&corners[2 * box], point, invdir, sign[0], sign[1], sign[2], 0, vecgeom::kInfLength);
kVc::bool_v hit = distance < vecgeom::kInfLength;
// std::cerr << hit << "\n";
// this is Vc specific
hitcount += hit.count();
#ifdef SORTHITBOXES
// a little tricky: need to iterate over the mask
for (auto i = 0; i < kVc::precision_v::Size; ++i) {
if (hit[i])
// which box id??
hitlist.push_back(BoxIdDistancePair_t(box * kVc::precision_v::Size + i, distance[i]));
}
#endif
}
// interpret as binary number and do a switch statement
// do a big switch statement here
// switch( size[0] + size[1] + size[2] ){
// case 0: {
// for( auto box = 0; box < vecsize; ++box ){
// kVc::precision_v distance = BoxImplementation<translation::kIdentity,
// rotation::kIdentity>::IntersectCachedKernel<kVc,0,0,0>(
// &corners[2*box],
// point,
// invdir,
// 0, vecgeom::kInfLength );
// kVc::bool_v hit = distance < vecgeom::kInfLength;
// //std::cerr << hit << "\n";
// hitcount += hit.count();
// } break; }
// case 3: {
// for( auto box = 0; box < vecsize; ++box ){
// kVc::precision_v distance = BoxImplementation<translation::kIdentity,
// rotation::kIdentity>::IntersectCachedKernel<kVc,1,1,1>(
// &corners[2*box],
// point,
// invdir,
// 0, vecgeom::kInfLength );
// kVc::bool_v hit = distance < vecgeom::kInfLength;
// //std::cerr << hit << "\n";
// hitcount += hit.count();
// } break; }
// default : std::cerr << "DEFAULT CALLED\n";
// }
#ifdef INNERTIMER
timer.Stop();
std::cerr << "# VECTOR hitting " << hitcount << "\n";
std::cerr << "# VECTOR timer " << timer.Elapsed() << "\n";
#endif
return hitcount;
}
int benchCachingNoVector(Vector3D<Precision> const &point, Vector3D<Precision> const &dir,
std::vector<Vector3D<Precision>> const &corners
#ifdef SORTHITBOXES
,
Container_t &hitlist
#endif
)
{
#ifdef INNERTIMER
Stopwatch timer;
timer.Start();
#endif
Vector3D<Precision> invdir(1. / dir.x(), 1. / dir.y(), 1. / dir.z());
int vecsize = corners.size() / 2;
int hitcount = 0;
int sign[3];
sign[0] = invdir.x() < 0;
sign[1] = invdir.y() < 0;
sign[2] = invdir.z() < 0;
// interpret as binary number and do a switch statement
// do a big switch statement here
// int code = 2 << size[0] + 2 << size[1] + 2 << size[2];
for (auto box = 0; box < vecsize; ++box) {
double distance = BoxImplementation<translation::kIdentity, rotation::kIdentity>::IntersectCachedKernel2<kScalar>(
&corners[2 * box], point, invdir, sign[0], sign[1], sign[2], 0, vecgeom::kInfLength);
if (distance < vecgeom::kInfLength) {
hitcount++;
#ifdef SORTHITBOXES
hitlist.push_back(BoxIdDistancePair_t(box, distance));
#endif
}
}
// switch( size[0] + size[1] + size[2] ){
// case 0: {
// for( auto box = 0; box < vecsize; ++box ){
// double distance = BoxImplementation<translation::kIdentity,
// rotation::kIdentity>::IntersectCachedKernel<kScalar,0,0,0>(
// &corners[2*box],
// point,
// invdir,
// 0, vecgeom::kInfLength );
// if( distance < vecgeom::kInfLength ) hitcount++;
// } break; }
// case 3: {
// for( auto box = 0; box < vecsize; ++box ){
// double distance = BoxImplementation<translation::kIdentity,
// rotation::kIdentity>::IntersectCachedKernel<kScalar,1,1,1>(
// &corners[2*box],
// point,
// invdir,
// 0, vecgeom::kInfLength );
// if( distance < vecgeom::kInfLength ) hitcount++;
// } break; }
// default : std::cerr << "DEFAULT CALLED\n";
// }
#ifdef INNERTIMER
timer.Stop();
std::cerr << "# CACHED hitting " << hitcount << "\n";
std::cerr << "# CACHED timer " << timer.Elapsed() << "\n";
#endif
return hitcount;
}
