[ublas] Re: Re: Performance concerns

From: Max Weinberg (max.weinberg_at_[hidden])
Date: 2005-06-01 16:43:25

> You can influence uBLAS default by defining
> BOOST_UBLAS_USE_ITERATING
> when you compile.
Yes, that does the job. It is the fastest variant. Below some timings 
produced with VC7.1 and 1000000x1024.
Regards, Max

AthlonXP
6.859 valarray
4.203 ublas vector BOOST_UBLAS_USE_ITERATING
9.091 ublas vector
6.172 my code

Pentium4
3.671 valarray
3.579 ublas vector BOOST_UBLAS_USE_ITERATING
4.578 ublas vector
3.843 my code