basicbenchmark.h File Reference

Go to the source code of this file.

Enumerations
enum	{ LazyEval , EarlyEval , OmpEval }

Functions
template<int Mode, typename MatrixType >
void	benchBasic_loop (const MatrixType &I, MatrixType &m, int iterations) __attribute__((noinline))
template<int Mode, typename MatrixType >
double	benchBasic (const MatrixType &mat, int size, int tries) __attribute__((noinline))

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
LazyEval
EarlyEval
OmpEval

{ LazyEval, EarlyEval, OmpEval };

Function Documentation

benchBasic()

template<int Mode, typename MatrixType >

double benchBasic	(	const MatrixType &	mat,
		int	size,
		int	tries
	)

                                                                    {
  const int rows = mat.rows();
  const int cols = mat.cols();
 
  MatrixType I(rows, cols);
  MatrixType m(rows, cols);
 
  initMatrix_identity(I);
 
  Eigen::BenchTimer timer;
  for (uint t = 0; t < tries; ++t) {
    initMatrix_random(m);
    timer.start();
    benchBasic_loop<Mode>(I, m, iterations);
    timer.stop();
    cerr << m;
  }
  return timer.value();
};

References cols, Eigen::SparseMatrix< Scalar_, Options_, StorageIndex_ >::cols(), I, initMatrix_identity(), initMatrix_random(), m, rows, Eigen::SparseMatrix< Scalar_, Options_, StorageIndex_ >::rows(), and plotPSD::t.

benchBasic_loop()

template<int Mode, typename MatrixType >

void benchBasic_loop	(	const MatrixType &	I,
		MatrixType &	m,
		int	iterations
	)

                                                                         {
  for (int a = 0; a < iterations; a++) {
    if (Mode == LazyEval) {
      asm("#begin_bench_loop LazyEval");
      if (MatrixType::SizeAtCompileTime != Eigen::Dynamic) asm("#fixedsize");
      m = (I + 0.00005 * (m + m.lazyProduct(m))).eval();
    } else if (Mode == OmpEval) {
      asm("#begin_bench_loop OmpEval");
      if (MatrixType::SizeAtCompileTime != Eigen::Dynamic) asm("#fixedsize");
      m = (I + 0.00005 * (m + m.lazyProduct(m))).eval();
    } else {
      asm("#begin_bench_loop EarlyEval");
      if (MatrixType::SizeAtCompileTime != Eigen::Dynamic) asm("#fixedsize");
      m = I + 0.00005 * (m + m * m);
    }
    asm("#end_bench_loop");
  }
}

References a, Eigen::Dynamic, I, LazyEval, m, and OmpEval.