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/*
* testVectorSafety.cpp
*
* Created on: Jun 25, 2014
* Author: swenzel
*/
// Forced asserts() to be defined, even for Release mode
#undef NDEBUG
//#define VERBOSE
#include "SetupBoxGeometry.h"
#include "VecGeom/volumes/utilities/VolumeUtilities.h"
#include "VecGeom/base/SOA3D.h"
#include "VecGeom/navigation/NavStatePool.h"
#include "VecGeom/navigation/NavigationState.h"
#include "VecGeom/navigation/NewSimpleNavigator.h"
#include "VecGeom/navigation/SimpleABBoxLevelLocator.h"
#include "VecGeom/navigation/HybridLevelLocator.h"
#include "VecGeom/management/GeoManager.h"
#include "VecGeom/base/Global.h"
#include <iostream>
using namespace vecgeom;
// function to test safety
void testVectorSafety(const VPlacedVolume *world)
{
int np = 1024;
SOA3D<Precision> points(np);
SOA3D<Precision> workspace(np);
Precision *safeties = (Precision *)vecCore::AlignedAlloc(32, sizeof(Precision) * np);
vecgeom::volumeUtilities::FillRandomPoints(*world, points);
// now setup all the navigation states
NavStatePool states(np, GeoManager::Instance().getMaxDepth());
NavStatePool states2(np, GeoManager::Instance().getMaxDepth());
// NavigationState **states = new NavigationState *[np];
for (int i = 0; i < np; ++i) {
// states[i] = NavigationState::MakeInstance(GeoManager::Instance().getMaxDepth());
// cross-validate two different GlobalLocator methods
const VPlacedVolume *tmpvol = world;
const VPlacedVolume *pcurr = GlobalLocator::LocateGlobalPoint(tmpvol, points[i], *states[i], true);
tmpvol = world;
const VPlacedVolume *pcurr2 = GlobalLocator::LocateGlobalPointExclVolume(tmpvol, world, points[i], *states2[i], true);
assert(pcurr == pcurr2);
}
// calculate safeties with vector interface
auto nav = vecgeom::NewSimpleNavigator<>::Instance();
nav->GetSafetyEstimator()->ComputeVectorSafety(points, states, workspace, safeties);
// verify against serial interface
int miscounter = 0;
for (int i = 0; i < np; ++i) {
double ss = nav->GetSafetyEstimator()->ComputeSafety(points[i], *states[i]);
if (std::abs(safeties[i] - ss) > 1.0e-3) {
if(miscounter<10) std::cerr<<"vectorSafety: i="<< i <<", point="<< points[i] <<", mismatch: serial="<< ss <<", vector="<< safeties[i] <<"\n";
++miscounter;
}
// assert(std::abs(safeties[i] - ss) < 1.0e-3 && "Problem in VectorSafety (in NewSimpleNavigator)");
}
std::cerr << "\n # safety mismatches: " << miscounter << "/" << np << "\n";
if (miscounter < 2) {
std::cout << "Safeties test passed\n";
}
std::cout << "\n";
// cleanup
vecCore::AlignedFree(safeties);
}
/// Function to test vector navigator
void testVectorNavigator(VPlacedVolume const *world)
{
// int np = 100000;
int np = 1024;
SOA3D<Precision> points(np);
SOA3D<Precision> dirs(np);
Precision *steps = (Precision *)vecCore::AlignedAlloc(32, sizeof(Precision) * np);
Precision *pSteps = (Precision *)vecCore::AlignedAlloc(32, sizeof(Precision) * np);
Precision *safeties = (Precision *)vecCore::AlignedAlloc(32, sizeof(Precision) * np);
bool *calcSafeties = (bool *)vecCore::AlignedAlloc(32, sizeof(bool) * np);
vecgeom::volumeUtilities::FillRandomPoints(*world, points);
vecgeom::volumeUtilities::FillRandomDirections(dirs);
// now setup all the navigation states
int ndeep = GeoManager::Instance().getMaxDepth();
NavStatePool states(np, ndeep);
NavStatePool newstates(np, ndeep);
for (int i = 0; i < np; ++i) {
pSteps[i] = (i % 2) ? 1 : VECGEOM_NAMESPACE::kInfLength;
calcSafeties[i] = true;
GlobalLocator::LocateGlobalPoint(world, points[i], *states[i], true);
}
//.. calculate steps with vector interface
auto nav = vecgeom::NewSimpleNavigator<>::Instance();
// nav->FindNextBoundaryAndStep(points, dirs, workspace1, workspace2, states, newstates,
// pSteps, safeties, steps, intworkspace);
nav->ComputeStepsAndSafetiesAndPropagatedStates(points, dirs, pSteps, states, newstates,
steps, calcSafeties, safeties);
//.. GL: temporarily use a scalar version instead, to fill arrays usually filled by vectorized version
// for (int i = 0; i < np; ++i) {
// nav->ComputeStepAndSafetyAndPropagatedState(points[i], dirs[i], pSteps[i], *states[i], *newstates[i],
// calcSafeties[i], safeties[i]);
// //nav->FindNextBoundaryAndStep(points[i], dirs[i], *states[i], *newstates[i], pSteps[i], safeties[i]);
// }
// verify against serial interface
int miscounter = 0;
for (int i = 0; i < np; ++i) {
bool mismatch = false;
Precision saf = 0;
NavigationState *cmp = NavigationState::MakeInstance(GeoManager::Instance().getMaxDepth());
cmp->Clear();
// nav->ComputeStepAndSafetyAndPropagatedState(points[i], dirs[i], pSteps[i], *states[i], *cmp, true, saf);
nav->FindNextBoundaryAndStep(points[i], dirs[i], *states[i], *cmp, pSteps[i], saf);
// check for consistency of navigator
Precision tmpSafety = nav->GetSafetyEstimator()->ComputeSafety(points[i], *states[i]);
if (std::abs(safeties[i] - tmpSafety) > 1.0e-6) mismatch = true;
if (mismatch) {
if (miscounter < 10) {
std::cerr << "vectorNavig: i=" << i << ", pos=" << points[i]
<< ", step="<< steps[i]
<< ", safety="<< safeties[i] << ", "<< saf
<<", tmp="<< tmpSafety
<< ", Top: cmp=" << (cmp->Top() ? cmp->Top()->GetName() : "NULL")
<< ", state=" << (newstates[i]->Top() ? newstates[i]->Top()->GetName() : "NULL") << "\n";
}
++miscounter;
}
// assert(cmp->Top() == newstates[i]->Top());
// assert(cmp->IsOnBoundary() == newstates[i]->IsOnBoundary());
// assert(safeties[i] == tmpSafety);
// assert(saf == tmpSafety);
delete[] (char *)cmp; // match call to new[] from VariableSizeObj
}
std::cout << "\n # navigation mismatches: " << miscounter << "/" << np << "\n";
if (miscounter < 2) {
std::cout << "Navigation test passed\n";
}
// cleanup
vecCore::AlignedFree(steps);
vecCore::AlignedFree(pSteps);
vecCore::AlignedFree(safeties);
vecCore::AlignedFree(calcSafeties);
}
int main()
{
//.. build geometry
assert(SetupBoxGeometry());
const VPlacedVolume *world = GeoManager::Instance().GetWorld();
//.. optional: configure non-default level locators
LogicalVolume *lvol(nullptr);
for (auto &element : GeoManager::Instance().GetLogicalVolumesMap()) {
lvol = element.second;
if (lvol->GetDaughtersp()->size() > 8) {
// HybridManager2::Instance().InitStructure(lvol);
// lvol->SetLevelLocator(SimpleABBoxLevelLocator::GetInstance());
// lvol->SetLevelLocator(HybridLevelLocator::GetInstance());
}
}
//.. run safety estimation tests
testVectorSafety(world);
//.. run navigation tests
testVectorNavigator(world);
}
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