#include <MatLayerCylSet.h>

Inherits o2::gpu::FlatObject.

Public Member Functions
	MatLayerCylSet ()=default

	~MatLayerCylSet ()=default

	MatLayerCylSet (const MatLayerCylSet &src)=delete

	GPUd () const MatLayerCylSetLayout *get() const

	GPUd () MatLayerCylSetLayout *get()

	GPUd () int getNLayers() const

	GPUd () const MatLayerCyl &getLayer(int i) const

	GPUd () bool getLayersRange(const Ray &ray

	GPUd () float getRMin() const

	GPUd () float getRMax() const

	GPUd () float getZMax() const

	GPUd () float getRMin2() const

	GPUd () float getRMax2() const

void	print (bool data=false) const

void	addLayer (float rmin, float rmax, float zmax, float dz, float drphi)

void	populateFromTGeo (int ntrPerCel=10, int nThreads=-1, MatbudGeomBackend backend=MatbudGeomBackend::ROOT)

void	optimizePhiSlices (float maxRelDiff=0.05)

void	dumpToTree (const std::string &outName="matbudTree.root") const

void	writeToFile (const std::string &outFName="matbud.root")

void	initLayerVoxelLU ()

void	flatten ()

MatLayerCyl &	getLayer (int i)

MatLayerCylSet *	extractCopy (float rmin, float rmax, float tol=1e-3, const MatLayerCylSet *toAdd=nullptr) const

void	finalizeStructures ()

MatBudget	getMatBudget (const math_utils::Point3D< float > &point0, const math_utils::Point3D< float > &point1) const

void	scaleLayersByID (int lrFrom, int lrTo, float factor, bool _x2x0=true, bool _rho=true)

void	scaleLayersByR (float rFrom, float rTo, float factor, bool _x2x0=true, bool _rho=true)

	GPUd () MatBudget getMatBudget(float x0

	GPUd () int searchSegment(float val

	GPUd () int searchLayerFast(float r2
	searches a layer based on r2 input, using a lookup table

	GPUd () int resolveLayerRange(float r2
	resolves a layer from an already loaded lookup-table entry

	GPUd () int voxelIndex(float r2) const
	voxel holding this radius; the caller must have checked that r2 is inside the LUT

	GPUd () static const expr float voxelRMin(int voxel)
	Radial boundaries of a voxel.

	GPUd () static const expr float voxelRMax(int voxel)

std::size_t	estimateFlatBufferSize () const
	GPUCA_ALIGPUCODE.

void	moveBufferTo (char *newFlatBufferPtr)

void	setActualBufferAddress (char *actualFlatBufferPtr)

void	setFutureBufferAddress (char *futureFlatBufferPtr)

void	cloneFromObject (const MatLayerCylSet &obj, char *newFlatBufferPtr)

void	fixPointers (char *newPtr=nullptr)

void	fixPointers (char oldPtr, char newPtr, bool newPtrValid=true)

	ClassDefNV (MatLayerCylSet, 1)
	if the voxels have been initialized

Public Member Functions inherited from o2::gpu::FlatObject
	FlatObject ()=default
	_____________ Constructors / destructors __________________________

	~FlatObject ()

	FlatObject (const FlatObject &)=delete

FlatObject &	operator= (const FlatObject &)=delete

template<typename T >
T *	resizeArray (T &ptr, int32_t oldSize, int32_t newSize, T newPtr=nullptr)

template<typename T >
T **	resizeArray (T &ptr, int32_t oldSize, int32_t newSize, T newPtr=nullptr)

void	destroy ()
	_______________ Utilities _______________________________________________

	GPUdi () size_t getFlatBufferSize() const
	Gives size of the flat buffer.

	GPUdi () const char *getFlatBufferPtr() const
	Gives pointer to the flat buffer.

bool	isConstructed () const
	Tells if the object is constructed.

bool	isBufferInternal () const
	Tells if the buffer is internal.

void	adoptInternalBuffer (char *buf)

void	clearInternalBufferPtr ()

void	printC () const
	Print the content of the flat buffer.

Static Public Member Functions
static int	getNThreadsFromEnv ()

static MatLayerCylSet *	loadFromFile (const std::string &inpFName="matbud.root")

static MatLayerCylSet *	rectifyPtrFromFile (MatLayerCylSet *ptr)

static constexpr size_t	getClassAlignmentBytes ()
	Gives minimal alignment in bytes required for the class object.

static constexpr size_t	getBufferAlignmentBytes ()
	Gives minimal alignment in bytes required for the flat buffer.

Static Public Member Functions inherited from o2::gpu::FlatObject
static constexpr size_t	alignSize (size_t sizeBytes, size_t alignmentBytes)
	_______________ Generic utilities _______________________________________________

template<class T >
static T *	relocatePointer (const char oldBase, char newBase, const T *ptr)
	Relocates a pointer inside a buffer to the new buffer address.

template<class T , class TFile >
static int32_t	writeToFile (T &obj, TFile &outf, const char *name)
	write a child class object to the file

template<class T , class TFile >
static T *	readFromFile (TFile &inpf, const char *name)
	read a child class object from the file

template<class T >
static std::string	stressTest (T &obj)
	Test the flat object functionality for a child class T.

Public Attributes
short &	lmin

short short &lmax	const

float	y0

float float	z0

float float float	x1

float float float float	y1

float float float float float z1	const

int	low = -1

int int	high = -1) const

int	voxel

int uint16_t entry	const

uint16_t	mLayerVoxelLU [NumVoxels]

bool	mInitializedLayerVoxelLU = false
	first interval based on known radius, plus the ambiguity flag (static dimension for easy copy to GPU)

Static Public Attributes
static constexpr float	LayerRMax = 500

static constexpr float	VoxelRDelta = 0.05

static constexpr float	InvVoxelRDelta = 1.f / VoxelRDelta

static constexpr int	NumVoxels = int(LayerRMax / VoxelRDelta)

static constexpr uint16_t	VoxelAmbiguousBit = 0x8000u

static constexpr uint16_t	VoxelSegmentMask = 0x7fffu

Additional Inherited Members
Protected Types inherited from o2::gpu::FlatObject
enum	ConstructionState : uint32_t { NotConstructed = 0x0 , Constructed = 0x1 , InProgress = 0x2 }
	GPUCA_GPUCODE. More...

Protected Member Functions inherited from o2::gpu::FlatObject
void	startConstruction ()
	_____________ Construction _________

void	finishConstruction (int32_t flatBufferSize)

void	cloneFromObject (const FlatObject &obj, char *newFlatBufferPtr)

char *	releaseInternalBuffer ()
	_____________ Methods for making the data buffer external __________________________

void	moveBufferTo (char *newBufferPtr)

void	setActualBufferAddress (char *actualFlatBufferPtr)
	_____________ Methods for moving the class with its external buffer to another location __________________________

void	setFutureBufferAddress (char *futureFlatBufferPtr)

	ClassDefNV (FlatObject, 1)
	Pointer to the flat buffer.

Static Protected Member Functions inherited from o2::gpu::FlatObject
static constexpr size_t	getClassAlignmentBytes ()
	GPUCA_GPUCODE.

static constexpr size_t	getBufferAlignmentBytes ()
	Gives minimal alignment in bytes required for the flat buffer.

Protected Attributes inherited from o2::gpu::FlatObject
int32_t	mFlatBufferSize = 0
	size of the flat buffer

uint32_t	mConstructionMask = ConstructionState::NotConstructed
	mask for constructed object members, first two bytes are used by this class

char *	mFlatBufferContainer = nullptr

char *	mFlatBufferPtr = nullptr

Detailed Description

Definition at line 50 of file MatLayerCylSet.h.

Constructor & Destructor Documentation

◆ MatLayerCylSet() [1/2]

o2::base::MatLayerCylSet::MatLayerCylSet ( )

default

◆ ~MatLayerCylSet()

o2::base::MatLayerCylSet::~MatLayerCylSet ( )

default

◆ MatLayerCylSet() [2/2]

o2::base::MatLayerCylSet::MatLayerCylSet ( const MatLayerCylSet & src )

delete

Member Function Documentation

◆ addLayer()

void MatLayerCylSet::addLayer	(	float	rmin,
		float	rmax,
		float	zmax,
		float	dz,
		float	drphi
	)

Definition at line 41 of file MatLayerCylSet.cxx.

◆ ClassDefNV()

o2::base::MatLayerCylSet::ClassDefNV	(	MatLayerCylSet	,
		1
	)

if the voxels have been initialized

◆ cloneFromObject()

void MatLayerCylSet::cloneFromObject	(	const MatLayerCylSet &	obj,
		char *	newFlatBufferPtr
	)

Initializes from another object, copies data to newBufferPtr

Definition at line 730 of file MatLayerCylSet.cxx.

◆ dumpToTree()

void MatLayerCylSet::dumpToTree ( const std::string & outName = "matbudTree.root" ) const

dump per cell info to the tree

Definition at line 258 of file MatLayerCylSet.cxx.

◆ estimateFlatBufferSize()

std::size_t MatLayerCylSet::estimateFlatBufferSize ( ) const

GPUCA_ALIGPUCODE.

Definition at line 426 of file MatLayerCylSet.cxx.

◆ extractCopy()

MatLayerCylSet * MatLayerCylSet::extractCopy	(	float	rmin,
		float	rmax,
		float	tol = `1e-3`,
		const MatLayerCylSet *	toAdd = `nullptr`
	)		const

Definition at line 777 of file MatLayerCylSet.cxx.

◆ finalizeStructures()

void MatLayerCylSet::finalizeStructures ( )

Definition at line 228 of file MatLayerCylSet.cxx.

◆ fixPointers() [1/2]

void MatLayerCylSet::fixPointers ( char * newPtr = nullptr )

Definition at line 743 of file MatLayerCylSet.cxx.

◆ fixPointers() [2/2]

void MatLayerCylSet::fixPointers	(	char *	oldPtr,
		char *	newPtr,
		bool	newPtrValid = `true`
	)

Definition at line 758 of file MatLayerCylSet.cxx.

◆ flatten()

void o2::base::MatLayerCylSet::flatten ( )

◆ getBufferAlignmentBytes()

static constexpr size_t o2::base::MatLayerCylSet::getBufferAlignmentBytes ( )

inlinestaticconstexpr

Gives minimal alignment in bytes required for the flat buffer.

Definition at line 145 of file MatLayerCylSet.h.

◆ getClassAlignmentBytes()

static constexpr size_t o2::base::MatLayerCylSet::getClassAlignmentBytes ( )

inlinestaticconstexpr

Gives minimal alignment in bytes required for the class object.

Definition at line 143 of file MatLayerCylSet.h.

◆ getLayer()

MatLayerCyl & o2::base::MatLayerCylSet::getLayer ( int i )

inline

Definition at line 94 of file MatLayerCylSet.h.

◆ getMatBudget()

MatBudget o2::base::MatLayerCylSet::getMatBudget	(	const math_utils::Point3D< float > &	point0,
		const math_utils::Point3D< float > &	point1
	)		const

inline

Definition at line 101 of file MatLayerCylSet.h.

◆ getNThreadsFromEnv()

int MatLayerCylSet::getNThreadsFromEnv ( )

static

< number of threads requested via NTHREADS_MATBUD, or 1 if unset/invalid

Definition at line 81 of file MatLayerCylSet.cxx.

◆ GPUd() [1/17]

o2::base::MatLayerCylSet::GPUd ( ) const &

◆ GPUd() [2/17]

o2::base::MatLayerCylSet::GPUd ( ) const &

inline

Definition at line 64 of file MatLayerCylSet.h.

◆ GPUd() [3/17]

o2::base::MatLayerCylSet::GPUd ( ) const

inline

Definition at line 60 of file MatLayerCylSet.h.

◆ GPUd() [4/17]

o2::base::MatLayerCylSet::GPUd ( ) const

inline

Definition at line 68 of file MatLayerCylSet.h.

◆ GPUd() [5/17]

o2::base::MatLayerCylSet::GPUd ( ) const

inline

Definition at line 71 of file MatLayerCylSet.h.

◆ GPUd() [6/17]

o2::base::MatLayerCylSet::GPUd ( ) const

inline

Definition at line 67 of file MatLayerCylSet.h.

◆ GPUd() [7/17]

o2::base::MatLayerCylSet::GPUd ( ) const

inline

Definition at line 70 of file MatLayerCylSet.h.

◆ GPUd() [8/17]

o2::base::MatLayerCylSet::GPUd ( ) const

inline

Definition at line 69 of file MatLayerCylSet.h.

◆ GPUd() [9/17]

o2::base::MatLayerCylSet::GPUd ( ) const

inline

Definition at line 63 of file MatLayerCylSet.h.

◆ GPUd() [10/17]

o2::base::MatLayerCylSet::GPUd ( )

resolves a layer from an already loaded lookup-table entry

◆ GPUd() [11/17]

o2::base::MatLayerCylSet::GPUd ( )

searches a layer based on r2 input, using a lookup table

◆ GPUd() [12/17]

o2::base::MatLayerCylSet::GPUd ( )

◆ GPUd() [13/17]

o2::base::MatLayerCylSet::GPUd ( ) const

inline

voxel holding this radius; the caller must have checked that r2 is inside the LUT

Definition at line 122 of file MatLayerCylSet.h.

◆ GPUd() [14/17]

o2::base::MatLayerCylSet::GPUd ( )

◆ GPUd() [15/17]

o2::base::MatLayerCylSet::GPUd ( )

inline

Definition at line 61 of file MatLayerCylSet.h.

◆ GPUd() [16/17]

o2::base::MatLayerCylSet::GPUd ( ) const

inline

Definition at line 126 of file MatLayerCylSet.h.

◆ GPUd() [17/17]

o2::base::MatLayerCylSet::GPUd ( ) const

inline

Radial boundaries of a voxel.

Definition at line 125 of file MatLayerCylSet.h.

◆ initLayerVoxelLU()

void MatLayerCylSet::initLayerVoxelLU ( )

Definition at line 311 of file MatLayerCylSet.cxx.

◆ loadFromFile()

MatLayerCylSet * MatLayerCylSet::loadFromFile ( const std::string & inpFName = "matbud.root" )

static

Definition at line 338 of file MatLayerCylSet.cxx.

◆ moveBufferTo()

void MatLayerCylSet::moveBufferTo ( char * newFlatBufferPtr )

sets buffer pointer to the new address, move the buffer content there.

Definition at line 704 of file MatLayerCylSet.cxx.

◆ optimizePhiSlices()

void MatLayerCylSet::optimizePhiSlices ( float maxRelDiff = 0.05 )

Definition at line 366 of file MatLayerCylSet.cxx.

◆ populateFromTGeo()

void MatLayerCylSet::populateFromTGeo	(	int	ntrPerCel = `10`,
		int	nThreads = `-1`,
		MatbudGeomBackend	backend = `MatbudGeomBackend::ROOT`
	)

Populate the LUT from TGeo or VecGeom. nThreads > 1 fills cells in parallel (one TGeoNavigator per thread for ROOT; VecGeom navigation is thread-safe on its own); nThreads < 0 takes the count from NTHREADS_MATBUD. VECGEOM requires O2 built against TGeo2VecGeom, see GeometryManager::isVecGeomAvailable().

< populate layers, using ntrPerCell test tracks per cell. nThreads < 0 takes the number of threads from the NTHREADS_MATBUD environment variable.

Definition at line 97 of file MatLayerCylSet.cxx.

◆ print()

void MatLayerCylSet::print ( bool data = false ) const

< print layer data

Definition at line 377 of file MatLayerCylSet.cxx.

◆ rectifyPtrFromFile()

MatLayerCylSet * MatLayerCylSet::rectifyPtrFromFile ( MatLayerCylSet * ptr )

static

Definition at line 355 of file MatLayerCylSet.cxx.

◆ scaleLayersByID()

void MatLayerCylSet::scaleLayersByID	(	int	lrFrom,
		int	lrTo,
		float	factor,
		bool	_x2x0 = `true`,
		bool	_rho = `true`
	)

Definition at line 396 of file MatLayerCylSet.cxx.

◆ scaleLayersByR()

void MatLayerCylSet::scaleLayersByR	(	float	rFrom,
		float	rTo,
		float	factor,
		bool	_x2x0 = `true`,
		bool	_rho = `true`
	)

Definition at line 408 of file MatLayerCylSet.cxx.

◆ setActualBufferAddress()

void MatLayerCylSet::setActualBufferAddress ( char * actualFlatBufferPtr )

Sets the actual location of the external flat buffer after it has been moved (i.e. to another machine)

Definition at line 723 of file MatLayerCylSet.cxx.

◆ setFutureBufferAddress()

void MatLayerCylSet::setFutureBufferAddress ( char * futureFlatBufferPtr )

Sets the actual location of the external flat buffer before it was created

Definition at line 714 of file MatLayerCylSet.cxx.

◆ writeToFile()

void MatLayerCylSet::writeToFile ( const std::string & outFName = "matbud.root" )

store to file

Definition at line 299 of file MatLayerCylSet.cxx.

Member Data Documentation

◆ const [1/3]

short short& lmax o2::base::MatLayerCylSet::const

Definition at line 66 of file MatLayerCylSet.h.

◆ const [2/3]

float float float float float z1 o2::base::MatLayerCylSet::const

Definition at line 111 of file MatLayerCylSet.h.

◆ const [3/3]

int uint16_t entry o2::base::MatLayerCylSet::const

Definition at line 119 of file MatLayerCylSet.h.

◆ high

int int o2::base::MatLayerCylSet::high = -1) const

Definition at line 113 of file MatLayerCylSet.h.

◆ InvVoxelRDelta

constexpr float o2::base::MatLayerCylSet::InvVoxelRDelta = 1.f / VoxelRDelta

staticconstexpr

Definition at line 150 of file MatLayerCylSet.h.

◆ LayerRMax

constexpr float o2::base::MatLayerCylSet::LayerRMax = 500

staticconstexpr

Definition at line 148 of file MatLayerCylSet.h.

◆ lmin

short& o2::base::MatLayerCylSet::lmin

Definition at line 66 of file MatLayerCylSet.h.

◆ low

int o2::base::MatLayerCylSet::low = -1

Definition at line 113 of file MatLayerCylSet.h.

◆ mInitializedLayerVoxelLU

bool o2::base::MatLayerCylSet::mInitializedLayerVoxelLU = false

first interval based on known radius, plus the ambiguity flag (static dimension for easy copy to GPU)

Definition at line 156 of file MatLayerCylSet.h.

◆ mLayerVoxelLU

uint16_t o2::base::MatLayerCylSet::mLayerVoxelLU[NumVoxels]

Definition at line 155 of file MatLayerCylSet.h.

◆ NumVoxels

constexpr int o2::base::MatLayerCylSet::NumVoxels = int(LayerRMax / VoxelRDelta)

staticconstexpr

Definition at line 151 of file MatLayerCylSet.h.

◆ voxel

int o2::base::MatLayerCylSet::voxel

Definition at line 119 of file MatLayerCylSet.h.

◆ VoxelAmbiguousBit

constexpr uint16_t o2::base::MatLayerCylSet::VoxelAmbiguousBit = 0x8000u

staticconstexpr

Definition at line 152 of file MatLayerCylSet.h.

◆ VoxelRDelta

constexpr float o2::base::MatLayerCylSet::VoxelRDelta = 0.05

staticconstexpr

Definition at line 149 of file MatLayerCylSet.h.

◆ VoxelSegmentMask

constexpr uint16_t o2::base::MatLayerCylSet::VoxelSegmentMask = 0x7fffu

staticconstexpr

Definition at line 153 of file MatLayerCylSet.h.

◆ x1

float float float o2::base::MatLayerCylSet::x1

Definition at line 111 of file MatLayerCylSet.h.

◆ y0

float o2::base::MatLayerCylSet::y0

Definition at line 111 of file MatLayerCylSet.h.

◆ y1

float float float float o2::base::MatLayerCylSet::y1

Definition at line 111 of file MatLayerCylSet.h.

◆ z0

float float o2::base::MatLayerCylSet::z0

Definition at line 111 of file MatLayerCylSet.h.

The documentation for this class was generated from the following files:

/home/runner/work/AliceO2/AliceO2/Detectors/Base/include/DetectorsBase/MatLayerCylSet.h
/home/runner/work/AliceO2/AliceO2/Detectors/Base/src/MatLayerCylSet.cxx

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ MatLayerCylSet() [1/2]

◆ ~MatLayerCylSet()

◆ MatLayerCylSet() [2/2]

Member Function Documentation

◆ addLayer()

◆ ClassDefNV()

◆ cloneFromObject()

◆ dumpToTree()

◆ estimateFlatBufferSize()

◆ extractCopy()

◆ finalizeStructures()

◆ fixPointers() [1/2]

◆ fixPointers() [2/2]

◆ flatten()

◆ getBufferAlignmentBytes()

◆ getClassAlignmentBytes()

◆ getLayer()

◆ getMatBudget()

◆ getNThreadsFromEnv()

◆ GPUd() [1/17]

◆ GPUd() [2/17]

◆ GPUd() [3/17]

◆ GPUd() [4/17]

◆ GPUd() [5/17]

◆ GPUd() [6/17]

◆ GPUd() [7/17]

◆ GPUd() [8/17]

◆ GPUd() [9/17]

◆ GPUd() [10/17]

◆ GPUd() [11/17]

◆ GPUd() [12/17]

◆ GPUd() [13/17]

◆ GPUd() [14/17]

◆ GPUd() [15/17]

◆ GPUd() [16/17]

◆ GPUd() [17/17]

◆ initLayerVoxelLU()

◆ loadFromFile()

◆ moveBufferTo()

◆ optimizePhiSlices()

◆ populateFromTGeo()

◆ print()

◆ rectifyPtrFromFile()

◆ scaleLayersByID()

◆ scaleLayersByR()

◆ setActualBufferAddress()

◆ setFutureBufferAddress()

◆ writeToFile()

Member Data Documentation

◆ const [1/3]

◆ const [2/3]

◆ const [3/3]

◆ high

◆ InvVoxelRDelta

◆ LayerRMax

◆ lmin

◆ low

◆ mInitializedLayerVoxelLU

◆ mLayerVoxelLU

◆ NumVoxels

◆ voxel

◆ VoxelAmbiguousBit

◆ VoxelRDelta

◆ VoxelSegmentMask

◆ x1

◆ y0

◆ y1

◆ z0