glb.h File Reference

Declarations of collective communications routines. More...

#include <config.h>
#include <util/vector.h>
#include <util/lattice.h>

Go to the source code of this file.

Namespaces
namespace	cps
Functions
void	glb_sum (Float *float_p)
	Sums a floating point number over all nodes in a 4-dimensinal grid.
void	glb_sum_gimp (Float *float_p)
void	glb_sum_five (Float *float_p)
	Sums a floating point number over all nodes in a 5-dimensinal grid.
void	glb_sum_dir (Float *float_p, int dir)
	Sums a floating point number over all nodes along a single direction.
void	glb_sum_multi_dir (const Float *float_p, const int dir, const int len)
	Sums a vector of floating point numbers over all nodes along a single direction.
void	glb_sum_multi_dir (LatData &dat, const int dir)
void	glb_sum_matrix_dir (Matrix *float_p, int dir)
	Sums a Matrix over all nodes along a single direction.
void	glb_max (Float *float_p)
	Finds the maximum floating point number over all nodes.
void	glb_min (Float *float_p)
	Finds the minimum floating point number over all nodes.
void	slice_sum (Float *float_p, int blcklength, int dir)
	Sums a vector of floating point numbers over all nodes in a hyperplane.
unsigned int	local_checksum (Float *float_p, int len)
unsigned int	global_checksum (Float *float_p, int len)
unsigned int	test_checksum (Float *float_p, int len)

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Detailed Description

Declarations of collective communications routines.

Id

glb.h,v 1.8 2008/09/18 14:40:18 chulwoo Exp

Definition in file glb.h.

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Function Documentation

unsigned int cps::global_checksum (  Float *  float_p, int  len )

Definition at line 47 of file check_sum.C. References cps::glb_sum_internal2(), and cps::local_checksum(). Referenced by cps::Lattice::EvolveGfield(), cps::DiracOp::MInvCG(), and cps::AlgHmc::run().

unsigned int cps::local_checksum (  Float *  float_p, int  len )

Definition at line 36 of file check_sum.C. Referenced by cps::Lattice::EvolveGfield(), cps::glb_sum_internal2(), cps::global_checksum(), cps::DiracOp::MInvCG(), and cps::test_checksum().

unsigned int cps::test_checksum (  Float *  float_p, int  len )

Definition at line 53 of file check_sum.C. References cps::CoorS(), cps::CoorT(), cps::CoorX(), cps::CoorY(), cps::CoorZ(), cps::MPISCU::fprintf(), cps::glb_sum_internal2(), cps::local_checksum(), and cps::UniqueID().

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