Namespaces
namespace	concepts
namespace	hwloc
	Implement functions required to set thread affinity and pin memory.

Classes
struct	AdjustThreadSpec
struct	Alloc
struct	AllocDeferred
struct	AllocMapped
struct	AllocUnified
struct	Data
struct	Enqueue
struct	Fill
struct	GetDevice
struct	GetDeviceCount
struct	GetDeviceProperties
struct	GetExtents
struct	GetFreeGlobalMemBytes
struct	GetNativeHandle
struct	GetPitches
struct	IsDataAccessible
	checks if a view can be accessed from the given device More...
struct	IsEventComplete
struct	IsQueueEmpty
struct	MakeDevice
struct	MakeEvent
struct	MakePlatform
struct	MakeQueue
struct	ManagedDealloc
	Manage the deallocation of memory. More...
struct	Memcpy
struct	MemcpyDeviceGlobal
struct	Memset
class	Scan_AddIncrementsKernel
class	Scan_ScanBlocksKernel
struct	SimdConcurrentKernel
struct	SimdIotaKernel
struct	SimdTransformKernel
struct	SimdTransformReduceKernel
struct	Wait
struct	WaitFor

Enumerations
enum	ScanType { EXCLUSIVE_SCAN , INCLUSIVE_SCAN }

Functions
template<typename T_Idx, typename T_Data>
ALPAKA_FN_ACC void	addIncrements (T_Data *block, T_Data const &blockSum, alpaka::concepts::CVector< T_Idx > auto const &extent)
template<typename TKernelFn, typename... TArgs>
static auto	adjustThreadSpec (auto const &device, onHost::concepts::FrameSpec auto const &frameSpec, KernelBundle< TKernelFn, TArgs... > const &kernelBundle)
template<typename T_DataType>
void	concurrent (auto const &queue, alpaka::concepts::Executor auto const exec, alpaka::concepts::VectorOrScalar auto const &extents, auto &&fn, alpaka::concepts::IDataSource auto &&... in)
template<typename T_Acc, typename T_Idx>
constexpr T_Idx	conflictFreeAccess (T_Idx const &n)
template<typename TKernelFn, typename... TArgs>
void	enqueue (auto &queue, onHost::concepts::ThreadOrFrameSpec auto const &launchCfg, KernelBundle< TKernelFn, TArgs... > const &kernelBundle)
void	enqueueHostFn (auto &queue, auto const &task)
void	enqueueHostFnDeferred (auto &queue, auto const &task)
constexpr uint32_t	getCPUCachelineSize ()
constexpr uint32_t	getCPUNumPipelines ()
template<typename T_Type>
constexpr uint32_t	getCPUSimdWidth ()
constexpr auto	getDevice (auto &&any)
DeviceProperties	getDeviceProperties (auto const &platform, uint32_t idx)
auto	getExtents (auto &&any)
template<typename T_Any>
auto	getExtents (Handle< T_Any > &&any)
constexpr auto	getFrameSpec (auto const &internalDevice, alpaka::concepts::Executor auto executor, alpaka::concepts::VectorOrScalar auto const &extents)
	Provide a frame specification for the given extents.
auto	getNativeHandle (auto &&any)
auto	getPitches (auto &&any)
template<typename T_Any>
auto	getPitches (Handle< T_Any > &&any)
template<typename T_DataType>
constexpr auto	getSimdFrameSpec (auto const &internalDevice, alpaka::concepts::Executor auto executor, alpaka::concepts::VectorOrScalar auto const &extents)
	Provides a SIMD optimized frame specification.
template<typename T_DataType>
void	iota (auto const &queue, alpaka::concepts::Executor auto const exec, alpaka::concepts::Vector auto const &extents, T_DataType const &initValue, alpaka::concepts::IMdSpan auto &&... inputs)
bool	isEventComplete (auto &&any)
bool	isQueueEmpty (auto &queue)
static auto	makePlatform (auto api, alpaka::concepts::DeviceKind auto deviceType)
template<alpaka::concepts::DeviceKind TDeviceKind, typename T_Idx, typename T_Data>
consteval T_Idx	maximumMiniBlockSize ()
template<ScanType SCAN_TYPE>
void	scan (auto &queue, alpaka::onHost::concepts::Device auto &devAcc, alpaka::concepts::Executor auto &exec, alpaka::concepts::IMdSpan auto &buffer, alpaka::concepts::IMdSpan auto &outputVec, alpaka::concepts::IDataSource auto &inputVec)
template<ScanType SCAN_TYPE>
void	scan (auto &queue, alpaka::onHost::concepts::Device auto &devAcc, alpaka::concepts::Executor auto &exec, alpaka::concepts::IMdSpan auto &outputVec, alpaka::concepts::IDataSource auto const &inputVec)
template<typename T_Data>
auto	scanBufferSize (alpaka::concepts::Vector auto const &extents)
template<typename T_Data>
auto	scanBufferSize (std::integral auto const &extent)
template<typename T_Idx, typename T_Data>
ALPAKA_FN_ACC T_Data	scanMiniBlock (T_Data *block, alpaka::concepts::CVector< T_Idx > auto const &extent)
template<typename T_Type>
constexpr size_t	stdSimdWidth ()
	SIMD width in bytes defined by std::simd.
void	transform (auto const &queue, alpaka::concepts::Executor auto const exec, alpaka::concepts::IMdSpan auto &&out, auto &&fn, alpaka::concepts::IDataSource auto &&... in)
template<typename T_DataType>
void	transformReduce (auto const &queue, alpaka::concepts::Executor auto const exec, T_DataType const &neutralElement, alpaka::concepts::IMdSpan auto out, auto &&reduceFn, auto &&transformFn, auto &&in0, alpaka::concepts::IDataSource auto &&... in)
void	wait (auto &&any)
void	waitFor (auto &queue, auto &event)

Variables
constexpr std::size_t	chunkSize = 2048u

Enumeration Type Documentation

◆ ScanType

enum alpaka::onHost::internal::ScanType

Enumerator
EXCLUSIVE_SCAN
INCLUSIVE_SCAN

Definition at line 27 of file scan.hpp.

Function Documentation

◆ addIncrements()

template<typename T_Idx, typename T_Data>

ALPAKA_FN_ACC void alpaka::onHost::internal::addIncrements	(	T_Data *	block,
		T_Data const &	blockSum,
		alpaka::concepts::CVector< T_Idx > auto const &	extent )

Definition at line 99 of file scan.hpp.

◆ adjustThreadSpec()

template<typename TKernelFn, typename... TArgs>

auto alpaka::onHost::internal::adjustThreadSpec	(	auto const &	device,
		onHost::concepts::FrameSpec auto const &	frameSpec,
		KernelBundle< TKernelFn, TArgs... > const &	kernelBundle )

static

Definition at line 285 of file interface.hpp.

◆ concurrent()

template<typename T_DataType>

void alpaka::onHost::internal::concurrent	(	auto const &	queue,
		alpaka::concepts::Executor auto const	exec,
		alpaka::concepts::VectorOrScalar auto const &	extents,
		auto &&	fn,
		alpaka::concepts::IDataSource auto &&...	in )

inline

Definition at line 44 of file concurrent.hpp.

◆ conflictFreeAccess()

template<typename T_Acc, typename T_Idx>

T_Idx alpaka::onHost::internal::conflictFreeAccess ( T_Idx const & n )

constexpr

Definition at line 53 of file scan.hpp.

◆ enqueue()

template<typename TKernelFn, typename... TArgs>

void alpaka::onHost::internal::enqueue	(	auto &	queue,
		onHost::concepts::ThreadOrFrameSpec auto const &	launchCfg,
		KernelBundle< TKernelFn, TArgs... > const &	kernelBundle )

inline

Definition at line 254 of file interface.hpp.

◆ enqueueHostFn()

void alpaka::onHost::internal::enqueueHostFn	(	auto &	queue,
		auto const &	task )

inline

Definition at line 243 of file interface.hpp.

◆ enqueueHostFnDeferred()

void alpaka::onHost::internal::enqueueHostFnDeferred	(	auto &	queue,
		auto const &	task )

inline

Definition at line 248 of file interface.hpp.

◆ getCPUCachelineSize()

uint32_t alpaka::onHost::internal::getCPUCachelineSize ( )

constexpr

Definition at line 88 of file cpuArchSize.hpp.

◆ getCPUNumPipelines()

uint32_t alpaka::onHost::internal::getCPUNumPipelines ( )

constexpr

Definition at line 76 of file cpuArchSize.hpp.

◆ getCPUSimdWidth()

template<typename T_Type>

uint32_t alpaka::onHost::internal::getCPUSimdWidth ( )

constexpr

Definition at line 35 of file cpuArchSize.hpp.

◆ getDevice()

auto alpaka::onHost::internal::getDevice ( auto && any )

inlineconstexpr

Definition at line 78 of file interface.hpp.

◆ getDeviceProperties()

DeviceProperties alpaka::onHost::internal::getDeviceProperties	(	auto const &	platform,
		uint32_t	idx )

inline

Definition at line 447 of file interface.hpp.

◆ getExtents() [1/2]

auto alpaka::onHost::internal::getExtents ( auto && any )

inline

Definition at line 464 of file interface.hpp.

◆ getExtents() [2/2]

template<typename T_Any>

auto alpaka::onHost::internal::getExtents ( Handle< T_Any > && any )

inline

Definition at line 470 of file interface.hpp.

◆ getFrameSpec()

auto alpaka::onHost::internal::getFrameSpec	(	auto const &	internalDevice,
		alpaka::concepts::Executor auto	executor,
		alpaka::concepts::VectorOrScalar auto const &	extents )

inlineconstexpr

Provide a frame specification for the given extents.

Parameters

internalDevice must be an alpaka internal device implementation

Definition at line 502 of file interface.hpp.

◆ getNativeHandle()

auto alpaka::onHost::internal::getNativeHandle ( auto && any )

inline

Definition at line 95 of file interface.hpp.

◆ getPitches() [1/2]

auto alpaka::onHost::internal::getPitches ( auto && any )

inline

Definition at line 487 of file interface.hpp.

◆ getPitches() [2/2]

template<typename T_Any>

auto alpaka::onHost::internal::getPitches ( Handle< T_Any > && any )

inline

Definition at line 493 of file interface.hpp.

◆ getSimdFrameSpec()

template<typename T_DataType>

auto alpaka::onHost::internal::getSimdFrameSpec	(	auto const &	internalDevice,
		alpaka::concepts::Executor auto	executor,
		alpaka::concepts::VectorOrScalar auto const &	extents )

inlineconstexpr

Provides a SIMD optimized frame specification.

The frame specification is optimized for a flat non-hierarchical execution via onAcc::worker::threadsInGrid.

Template Parameters

T_DataType the data type for which you would like to SIMD optimize

Parameters

internalDevice must be a alpaka internal device implementation

Definition at line 557 of file interface.hpp.

◆ iota()

template<typename T_DataType>

void alpaka::onHost::internal::iota	(	auto const &	queue,
		alpaka::concepts::Executor auto const	exec,
		alpaka::concepts::Vector auto const &	extents,
		T_DataType const &	initValue,
		alpaka::concepts::IMdSpan auto &&...	inputs )

inline

Definition at line 53 of file iota.hpp.

◆ isEventComplete()

bool alpaka::onHost::internal::isEventComplete ( auto && any )

inline

Definition at line 170 of file interface.hpp.

◆ isQueueEmpty()

bool alpaka::onHost::internal::isQueueEmpty ( auto & queue )

inline

Definition at line 187 of file interface.hpp.

◆ makePlatform()

auto alpaka::onHost::internal::makePlatform	(	auto	api,
		alpaka::concepts::DeviceKind auto	deviceType )

static

Definition at line 37 of file interface.hpp.

◆ maximumMiniBlockSize()

template<alpaka::concepts::DeviceKind TDeviceKind, typename T_Idx, typename T_Data>

T_Idx alpaka::onHost::internal::maximumMiniBlockSize ( )

consteval

Definition at line 36 of file scan.hpp.

◆ scan() [1/2]

template<ScanType SCAN_TYPE>

void alpaka::onHost::internal::scan	(	auto &	queue,
		alpaka::onHost::concepts::Device auto &	devAcc,
		alpaka::concepts::Executor auto &	exec,
		alpaka::concepts::IMdSpan auto &	buffer,
		alpaka::concepts::IMdSpan auto &	outputVec,
		alpaka::concepts::IDataSource auto &	inputVec )

Definition at line 380 of file scan.hpp.

◆ scan() [2/2]

template<ScanType SCAN_TYPE>

void alpaka::onHost::internal::scan	(	auto &	queue,
		alpaka::onHost::concepts::Device auto &	devAcc,
		alpaka::concepts::Executor auto &	exec,
		alpaka::concepts::IMdSpan auto &	outputVec,
		alpaka::concepts::IDataSource auto const &	inputVec )

Definition at line 455 of file scan.hpp.

◆ scanBufferSize() [1/2]

template<typename T_Data>

auto alpaka::onHost::internal::scanBufferSize ( alpaka::concepts::Vector auto const & extents )

Definition at line 373 of file scan.hpp.

◆ scanBufferSize() [2/2]

template<typename T_Data>

auto alpaka::onHost::internal::scanBufferSize ( std::integral auto const & extent )

Definition at line 357 of file scan.hpp.

◆ scanMiniBlock()

template<typename T_Idx, typename T_Data>

ALPAKA_FN_ACC T_Data alpaka::onHost::internal::scanMiniBlock	(	T_Data *	block,
		alpaka::concepts::CVector< T_Idx > auto const &	extent )

Definition at line 62 of file scan.hpp.

◆ stdSimdWidth()

template<typename T_Type>

size_t alpaka::onHost::internal::stdSimdWidth ( )

constexpr

SIMD width in bytes defined by std::simd.

Returns: 0 if std::simd is not supported or the T_Type is unsupported, else the SIMD width in bytes

Definition at line 20 of file cpuArchSize.hpp.

◆ transform()

void alpaka::onHost::internal::transform	(	auto const &	queue,
		alpaka::concepts::Executor auto const	exec,
		alpaka::concepts::IMdSpan auto &&	out,
		auto &&	fn,
		alpaka::concepts::IDataSource auto &&...	in )

inline

Definition at line 83 of file transform.hpp.

◆ transformReduce()

template<typename T_DataType>

void alpaka::onHost::internal::transformReduce	(	auto const &	queue,
		alpaka::concepts::Executor auto const	exec,
		T_DataType const &	neutralElement,
		alpaka::concepts::IMdSpan auto	out,
		auto &&	reduceFn,
		auto &&	transformFn,
		auto &&	in0,
		alpaka::concepts::IDataSource auto &&...	in )

inline

Definition at line 133 of file transformReduce.hpp.

◆ wait()

void alpaka::onHost::internal::wait ( auto && any )

inline

Definition at line 136 of file interface.hpp.

◆ waitFor()

void alpaka::onHost::internal::waitFor	(	auto &	queue,
		auto &	event )

inline

Definition at line 153 of file interface.hpp.

Variable Documentation

◆ chunkSize

std::size_t alpaka::onHost::internal::chunkSize = 2048u

constexpr

Definition at line 33 of file scan.hpp.

Namespaces

Classes

Enumerations

Functions

Variables

Enumeration Type Documentation

◆ ScanType

Function Documentation

◆ addIncrements()

◆ adjustThreadSpec()

◆ concurrent()

◆ conflictFreeAccess()

◆ enqueue()

◆ enqueueHostFn()

◆ enqueueHostFnDeferred()

◆ getCPUCachelineSize()

◆ getCPUNumPipelines()

◆ getCPUSimdWidth()

◆ getDevice()

◆ getDeviceProperties()

◆ getExtents() [1/2]

◆ getExtents() [2/2]

◆ getFrameSpec()

◆ getNativeHandle()

◆ getPitches() [1/2]

◆ getPitches() [2/2]

◆ getSimdFrameSpec()

◆ iota()

◆ isEventComplete()

◆ isQueueEmpty()

◆ makePlatform()

◆ maximumMiniBlockSize()

◆ scan() [1/2]

◆ scan() [2/2]

◆ scanBufferSize() [1/2]

◆ scanBufferSize() [2/2]

◆ scanMiniBlock()

◆ stdSimdWidth()

◆ transform()

◆ transformReduce()

◆ wait()

◆ waitFor()

Variable Documentation

◆ chunkSize