bench_norm.cpp File Reference

#include <typeinfo>
#include <iostream>
#include <Eigen/Core>
#include "BenchTimer.h"

Namespaces
namespace	Eigen
	Namespace containing all symbols from the Eigen library.
namespace	Eigen::internal

Macros
#define	BENCH_PERF(NRM)

Functions
template<typename T >
EIGEN_DONT_INLINE T::Scalar	sqsumNorm (T &v)
template<typename T >
EIGEN_DONT_INLINE T::Scalar	stableNorm (T &v)
template<typename T >
EIGEN_DONT_INLINE T::Scalar	hypotNorm (T &v)
template<typename T >
EIGEN_DONT_INLINE T::Scalar	blueNorm (T &v)
template<typename T >
EIGEN_DONT_INLINE T::Scalar	lapackNorm (T &v)
template<typename T >
EIGEN_DONT_INLINE T::Scalar	twopassNorm (T &v)
template<typename T >
EIGEN_DONT_INLINE T::Scalar	bl2passNorm (T &v)
template<typename T >
EIGEN_DONT_INLINE T::Scalar	divacNorm (T &v)
template<typename T >
EIGEN_DONT_INLINE T::Scalar	pblueNorm (const T &v)
void	check_accuracy (double basef, double based, int s)
void	check_accuracy_var (int ef0, int ef1, int ed0, int ed1, int s)
int	main (int argc, char **argv)

Macro Definition Documentation

BENCH_PERF

#define BENCH_PERF

(

NRM

)

Value:

  { \
  float af = 0; double ad = 0; std::complex<float> ac = 0; \
  Eigen::BenchTimer tf, td, tcf; tf.reset(); td.reset(); tcf.reset();\
  for (int k=0; k<tries; ++k) { \
    tf.start(); \
    for (int i=0; i<iters; ++i) { af += NRM(vf); } \
    tf.stop(); \
  } \
  for (int k=0; k<tries; ++k) { \
    td.start(); \
    for (int i=0; i<iters; ++i) { ad += NRM(vd); } \
    td.stop(); \
  } \
  /*for (int k=0; k<std::max(1,tries/3); ++k) { \
    tcf.start(); \
    for (int i=0; i<iters; ++i) { ac += NRM(vcf); } \
    tcf.stop(); \
  } */\
  std::cout << #NRM << "\t" << tf.value() << "   " << td.value() <<  "    " << tcf.value() << "\n"; \
}

Function Documentation

bl2passNorm()

template<typename T >

EIGEN_DONT_INLINE T::Scalar bl2passNorm

(

T &

v

)

blueNorm()

template<typename T >

EIGEN_DONT_INLINE T::Scalar blueNorm

(

T &

v

)

check_accuracy()

void check_accuracy	(	double	basef,
		double	based,
		int	s
	)

check_accuracy_var()

void check_accuracy_var	(	int	ef0,
		int	ef1,
		int	ed0,
		int	ed1,
		int	s
	)

divacNorm()

template<typename T >

EIGEN_DONT_INLINE T::Scalar divacNorm

(

T &

v

)

hypotNorm()

template<typename T >

EIGEN_DONT_INLINE T::Scalar hypotNorm

(

T &

v

)

lapackNorm()

template<typename T >

EIGEN_DONT_INLINE T::Scalar lapackNorm

(

T &

v

)

main()

int main	(	int	argc,
		char **	argv
	)

pblueNorm()

template<typename T >

EIGEN_DONT_INLINE T::Scalar pblueNorm

(

const T &

v

)

sqsumNorm()

template<typename T >

EIGEN_DONT_INLINE T::Scalar sqsumNorm

(

T &

v

)

stableNorm()

template<typename T >

EIGEN_DONT_INLINE T::Scalar stableNorm

(

T &

v

)

twopassNorm()

template<typename T >

EIGEN_DONT_INLINE T::Scalar twopassNorm

(

T &

v

)