NodeInstance.hpp File Reference

Header file describing a Node Instance. More...

#include "shambase/aliases_int.hpp"
#include "shambackends/DeviceScheduler.hpp"
#include "shamcomm/mpiInfo.hpp"
#include "shamcomm/worldInfo.hpp"
#include <sycl/sycl.hpp>
#include <vector>

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Classes
class	shamsys::instance::ShamsysInstanceException
	Exception type for the NodeInstance. More...
struct	shamsys::instance::SyclInitInfo
	Struct containing Sycl Init informations Usage. More...
struct	shamsys::instance::MPIInitInfo
	Struct containing MPI Init informations Usage. More...

Namespaces
namespace	shamsys
	namespace for the system handling

Functions
bool	shamsys::instance::is_initialized ()
	to check whether the NodeInstance is initialized
void	shamsys::instance::init (int argc, char *argv[])
	initialize the NodeInstance from command line args in the main
void	shamsys::instance::start_mpi (MPIInitInfo mpi_info)
	Start MPI.
void	shamsys::instance::init_sycl_mpi (std::string search_key, MPIInitInfo mpi_info)
	Start SYCL & MPI.
void	shamsys::instance::close ()
	close the NodeInstance Aka : Finalize both MPI & SYCL
void	shamsys::instance::close_mpi ()
	Finalize MPI.
void	shamsys::instance::print_device_list ()
void	shamsys::instance::print_queue_map ()
	Print SYCL queue map.
sycl::queue &	shamsys::instance::get_compute_queue (u32 id=0)
u32	shamsys::instance::get_compute_queue_eu_count (u32 id=0)
sycl::device	shamsys::instance::get_compute_device ()
sycl::queue &	shamsys::instance::get_alt_queue (u32 id=0)
	Get the alternative queue.
sham::DeviceScheduler &	shamsys::instance::get_compute_scheduler ()
sham::DeviceScheduler &	shamsys::instance::get_alt_scheduler ()
std::shared_ptr< sham::DeviceScheduler >	shamsys::instance::get_compute_scheduler_ptr ()
std::shared_ptr< sham::DeviceScheduler >	shamsys::instance::get_alt_scheduler_ptr ()
void	shamsys::instance::print_mpi_capabilities ()
void	shamsys::instance::print_mpi_comm_info ()
void	shamsys::instance::check_dgpu_available ()

Detailed Description

Header file describing a Node Instance.

Author

Timothée David–Cléris (tim.s.nosp@m.hamr.nosp@m.ock@p.nosp@m.roto.nosp@m.n.me)

A NodeInstance is a wrapper to perform a combined initialisation of both SYCL & MPI. Essentially it handle the MPI process and corresponding accelerators

Definition in file NodeInstance.hpp.

Function Documentation

check_dgpu_available()

void shamsys::instance::check_dgpu_available

(

)

Definition at line 401 of file NodeInstance.cpp.

close()

void shamsys::instance::close

(

)

close the NodeInstance Aka : Finalize both MPI & SYCL

Definition at line 359 of file NodeInstance.cpp.

close_mpi()

void shamsys::instance::close_mpi

(

)

Finalize MPI.

Definition at line 345 of file NodeInstance.cpp.

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get_alt_queue()

sycl::queue & shamsys::instance::get_alt_queue

(

u32

id = 0

)

Get the alternative queue.

Parameters

id

Returns

sycl::queue& reference to the corresponding queue

Definition at line 372 of file NodeInstance.cpp.

get_alt_scheduler()

sham::DeviceScheduler & shamsys::instance::get_alt_scheduler

(

)

Definition at line 376 of file NodeInstance.cpp.

get_alt_scheduler_ptr()

std::shared_ptr< sham::DeviceScheduler > shamsys::instance::get_alt_scheduler_ptr

(

)

Definition at line 382 of file NodeInstance.cpp.

get_compute_device()

sycl::device shamsys::instance::get_compute_device ( )

inline

Definition at line 127 of file NodeInstance.hpp.

get_compute_queue()

sycl::queue & shamsys::instance::get_compute_queue

(

u32

id = 0

)

Parameters

id

Returns

sycl::queue& reference to the corresponding queue

Definition at line 370 of file NodeInstance.cpp.

get_compute_queue_eu_count()

u32 shamsys::instance::get_compute_queue_eu_count

(

u32

id = 0

)

Definition at line 165 of file NodeInstance.cpp.

get_compute_scheduler()

sham::DeviceScheduler & shamsys::instance::get_compute_scheduler

(

)

Definition at line 374 of file NodeInstance.cpp.

get_compute_scheduler_ptr()

std::shared_ptr< sham::DeviceScheduler > shamsys::instance::get_compute_scheduler_ptr

(

)

Definition at line 378 of file NodeInstance.cpp.

init()

void shamsys::instance::init	(	int	argc,
		char *	argv[] )

initialize the NodeInstance from command line args in the main

int main(int argc, char *argv[]){
    shamsys::instance::init(argc,argv);
    ... do stuff ...
    shamsys::instance::close();
}

Definition at line 316 of file NodeInstance.cpp.

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init_sycl_mpi()

void shamsys::instance::init_sycl_mpi	(	std::string	search_key,
		MPIInitInfo	mpi_info )

Start SYCL & MPI.

Definition at line 300 of file NodeInstance.cpp.

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is_initialized()

bool shamsys::instance::is_initialized

(

)

to check whether the NodeInstance is initialized

Returns

true NodeInstance is initialized

false NodeInstance is not initialized

Definition at line 167 of file NodeInstance.cpp.

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print_device_list()

void shamsys::instance::print_device_list

(

)

Definition at line 391 of file NodeInstance.cpp.

print_mpi_capabilities()

void shamsys::instance::print_mpi_capabilities

(

)

Definition at line 397 of file NodeInstance.cpp.

print_mpi_comm_info()

void shamsys::instance::print_mpi_comm_info

(

)

Definition at line 399 of file NodeInstance.cpp.

print_queue_map()

void shamsys::instance::print_queue_map

(

)

Print SYCL queue map.

Definition at line 169 of file NodeInstance.cpp.

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start_mpi()

void shamsys::instance::start_mpi

(

MPIInitInfo

mpi_info

)

Start MPI.

Definition at line 245 of file NodeInstance.cpp.

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