timeMatrix.cpp File Reference

#include <iostream>
#include <gtsam/base/timing.h>
#include <gtsam/base/Matrix.h>

Include dependency graph for timeMatrix.cpp:

Go to the source code of this file.

Functions
int	main (int argc, char **argv)
double	timeCollect (size_t p, size_t m, size_t n, bool passDims, size_t reps)
double	timeColumn (size_t reps)
double	timeHouseholder (size_t reps)
double	timeMatrixInsert (size_t reps)
double	timeVScaleColumn (size_t m, size_t n, size_t reps)
double	timeVScaleRow (size_t m, size_t n, size_t reps)

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 265 of file timeMatrix.cpp.

timeCollect()

double timeCollect	(	size_t	p,
		size_t	m,
		size_t	n,
		bool	passDims,
		size_t	reps
	)

Definition at line 38 of file timeMatrix.cpp.

timeColumn()

double timeColumn

(

size_t

reps

)

Results: Alex's Machine (reps = 200000)

• ublas matrix_column : 4.63 sec
• naive implementation : 4.70 sec

reps = 2000000

• rev 2100 : 45.11 sec

Definition at line 161 of file timeMatrix.cpp.

timeHouseholder()

double timeHouseholder

(

size_t

reps

)

Definition at line 209 of file timeMatrix.cpp.

timeMatrixInsert()

double timeMatrixInsert

(

size_t

reps

)

Results: (Alex's machine) reps: 200000

Initial (boost matrix proxies) - 12.08 Direct pointer method - 4.62

Definition at line 241 of file timeMatrix.cpp.

timeVScaleColumn()

double timeVScaleColumn	(	size_t	m,
		size_t	n,
		size_t	reps
	)

Definition at line 87 of file timeMatrix.cpp.

timeVScaleRow()

double timeVScaleRow	(	size_t	m,
		size_t	n,
		size_t	reps
	)

Definition at line 123 of file timeMatrix.cpp.