MADNESS: MemoryMeasurer Class Reference

MADNESS 0.10.1

measure the memory usage of all FunctionImpl objects of all worlds More...

Classes
struct	MemInfo

struct	MemKey

Public Member Functions
void	clear_map ()
	reset the memory map

void	measure_and_print (World &world)
	measure the memory usage of all objects of all worlds

std::map< std::string, double >	memory_per_host (World &world) const
	accumulate the memory usage of all objects of all worlds over all ranks per host

std::map< std::string, double >	memory_per_host_local () const
	accumulate the memory usage of all objects of all worlds for this rank per host

void	print_memory_map (World &world, std::string msg="")

void	search_all_worlds ()

void	search_world (World &world)

double	total_memory (World &world) const
	return the total memory usage over all hosts

Static Public Member Functions
static double	get_rss_usage_in_GB ()

Private Types
typedef std::map< MemKey, MemInfo >	MemInfoMapT

Private Member Functions
template<typename T , std::size_t NDIM>
void	add_memory_to_map (const FunctionImpl< T, NDIM > &f)

template<typename T , std::size_t NDIM>
const FunctionImpl< T, NDIM > *	cast_to_funcimpl_ptr (const uniqueidT obj_id)

Private Attributes
MemInfoMapT	world_memory_map
	keeps track of the memory usage of all objects of one or many worlds on this rank

Detailed Description

measure the memory usage of all FunctionImpl objects of all worlds

Assuming FunctionImpl are the largest objects in a calculation data is kept as key-value pairs in a map: key=world_id,rank,hostname,NDIM, value=#functions,memory_GB

Member Typedef Documentation

◆ MemInfoMapT

typedef std::map<MemKey,MemInfo> MemoryMeasurer::MemInfoMapT

private

Member Function Documentation

◆ add_memory_to_map()

template<typename T , std::size_t NDIM>

void MemoryMeasurer::add_memory_to_map ( const FunctionImpl< T, NDIM > & f )

inlineprivate

References madness::f, NDIM, madness::print(), T(), and world_memory_map.

Referenced by search_world().

◆ cast_to_funcimpl_ptr()

template<typename T , std::size_t NDIM>

const FunctionImpl< T, NDIM > * MemoryMeasurer::cast_to_funcimpl_ptr ( const uniqueidT obj_id )

inlineprivate

References madness::uniqueidT::get_world_id(), MADNESS_EXCEPTION, madness::World::ptr_from_id(), and madness::World::world_from_id().

◆ clear_map()

void MemoryMeasurer::clear_map ( )

inline

reset the memory map

References world_memory_map.

◆ get_rss_usage_in_GB()

static double MemoryMeasurer::get_rss_usage_in_GB ( )

inlinestatic

Referenced by print_memory_map().

◆ measure_and_print()

void MemoryMeasurer::measure_and_print ( World & world )

inline

measure the memory usage of all objects of all worlds

References madness::WorldGopInterface::fence(), madness::World::gop, print_memory_map(), and search_all_worlds().

Referenced by test_size().

◆ memory_per_host()

std::map< std::string, double > MemoryMeasurer::memory_per_host ( World & world ) const

inline

accumulate the memory usage of all objects of all worlds over all ranks per host

References madness::World::gop, memory_per_host(), memory_per_host_local(), and madness::WorldGopInterface::sum().

Referenced by memory_per_host(), memory_per_host_local(), and print_memory_map().

◆ memory_per_host_local()

std::map< std::string, double > MemoryMeasurer::memory_per_host_local ( ) const

inline

accumulate the memory usage of all objects of all worlds for this rank per host

References memory_per_host(), and world_memory_map.

Referenced by memory_per_host(), and print_memory_map().

◆ print_memory_map()

void MemoryMeasurer::print_memory_map	(	World &	world,
		std::string	msg = `""`
	)

inline

Parameters

[in]	msg	a message to print before the memory map
[in]	world	used only for clean printing

References bufsize, madness::WorldGopInterface::concat0(), madness::WorldGopInterface::fence(), get_rss_usage_in_GB(), madness::World::gop, memory_per_host(), memory_per_host_local(), madness::print(), madness::World::rank(), madness::WorldGopInterface::sum(), and world_memory_map.

Referenced by measure_and_print(), and test_size().

◆ search_all_worlds()

void MemoryMeasurer::search_all_worlds ( )

inline

add all FunctionImpl<T,NDIM> objects of all worlds to the memory map the memory map is a rank-local object

References madness::World::exists(), madness::World::get_world_ids(), madness::print(), search_world(), and madness::World::world_from_id().

Referenced by measure_and_print(), and test_size().

◆ search_world()

void MemoryMeasurer::search_world ( World & world )

inline

add all FunctionImpl<T,NDIM> objects of the given world to the memory map the memory map is a rank-local object

References add_memory_to_map(), madness::World::get_object_ids(), madness::print(), and madness::World::rank().

Referenced by search_all_worlds(), and test_size().

◆ total_memory()

double MemoryMeasurer::total_memory ( World & world ) const

inline

return the total memory usage over all hosts

References madness::World::gop, madness::WorldGopInterface::sum(), total_memory(), and world_memory_map.

Referenced by test_size(), and total_memory().

Member Data Documentation

◆ world_memory_map

MemInfoMapT MemoryMeasurer::world_memory_map

private

keeps track of the memory usage of all objects of one or many worlds on this rank

Referenced by add_memory_to_map(), clear_map(), memory_per_host_local(), print_memory_map(), and total_memory().

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

test_cc.cc