This file contains interface to configure the intra-node execution environment. More...

#include <starneig/configuration.h>
#include <stddef.h>
#include <mpi.h>

Functions
void	starneig_node_init (int cores, int gpus, starneig_flag_t flags)
	Initializes the intra-node execution environment. More...

int	starneig_node_initialized ()
	Checks whether the intra-node execution environment is initialized. More...

int	starneig_node_get_cores ()
	Returns the number of cores (threads) per MPI rank. More...

void	starneig_node_set_cores (int cores)
	Changes the number of CPUs cores (threads) to use per MPI rank. More...

int	starneig_node_get_gpus ()
	Returns the number of GPUs per MPI rank. More...

void	starneig_node_set_gpus (int gpus)
	Changes the number of GPUs to use per MPI rank. More...

void	starneig_node_finalize ()
	Deallocates resources associated with the intra-node configuration.

void	starneig_mpi_set_comm (MPI_Comm comm)

MPI_Comm	starneig_mpi_get_comm ()

Pinned host memory
void	starneig_node_enable_pinning ()
	Enable CUDA host memory pinning. More...

void	starneig_node_disable_pinning ()
	Disables CUDA host memory pinning. More...

Library initialization flags
#define	STARNEIG_DEFAULT 0x0
	Default initialization flag. More...

#define	STARNEIG_HINT_SM 0x0
	Initializes the library for shared memory computation. More...

#define	STARNEIG_HINT_DM 0x1
	Initializes the library for distributed memory computation. More...

#define	STARNEIG_FXT_DISABLE 0x2
	Disables FXT traces. More...

#define	STARNEIG_AWAKE_WORKERS 0x4
	Keeps worker threads awake. More...

#define	STARNEIG_AWAKE_MPI_WORKER 0x8
	Keeps StarPU-MPI communication thread awake. More...

#define	STARNEIG_FAST_DM (STARNEIG_HINT_DM \| STARNEIG_AWAKE_WORKERS \| STARNEIG_AWAKE_MPI_WORKER)
	Enables fast StarPU-MPI mode. More...

#define	STARNEIG_NO_VERBOSE 0x10
	Disables verbose messages. More...

#define	STARNEIG_NO_MESSAGES (STARNEIG_NO_VERBOSE \| 0x20)
	Disables messages. More...

typedef unsigned	starneig_flag_t
	Library initialization flag data type.

Detailed Description

This file contains interface to configure the intra-node execution environment.

Author: Mirko Myllykoski (mirko.nosp@m.m@cs.nosp@m..umu..nosp@m.se), Umeå University; Lars Karlsson (larsk.nosp@m.@cs..nosp@m.umu.s.nosp@m.e), Umeå University

LICENSE

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Functions

Library initialization flags

Detailed Description

LICENSE