You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
1.6 KiB
64 lines
1.6 KiB
4 months ago
|
|
||
|
|
#ifndef EIGEN_BENCH_BASICBENCH_H
|
||
|
|
#define EIGEN_BENCH_BASICBENCH_H
|
||
|
|
|
||
|
|
enum {LazyEval, EarlyEval, OmpEval};
|
||
|
|
|
||
|
|
template<int Mode, typename MatrixType>
|
||
|
|
void benchBasic_loop(const MatrixType& I, MatrixType& m, int iterations) __attribute__((noinline));
|
||
|
|
|
||
|
|
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.lazy() * m)).eval();
|
||
|
|
}
|
||
|
|
else if (Mode==OmpEval)
|
||
|
|
{
|
||
|
|
asm("#begin_bench_loop OmpEval");
|
||
|
|
if (MatrixType::SizeAtCompileTime!=Eigen::Dynamic) asm("#fixedsize");
|
||
|
|
m = (I + 0.00005 * (m + m.lazy() * m)).evalOMP();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
asm("#begin_bench_loop EarlyEval");
|
||
|
|
if (MatrixType::SizeAtCompileTime!=Eigen::Dynamic) asm("#fixedsize");
|
||
|
|
m = I + 0.00005 * (m + m * m);
|
||
|
|
}
|
||
|
|
asm("#end_bench_loop");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
template<int Mode, typename MatrixType>
|
||
|
|
double benchBasic(const MatrixType& mat, int size, int tries) __attribute__((noinline));
|
||
|
|
|
||
|
|
template<int Mode, typename MatrixType>
|
||
|
|
double benchBasic(const MatrixType& mat, int iterations, 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();
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // EIGEN_BENCH_BASICBENCH_H
|