Re: [ublas] Matlab vs C++/Boost

From: Luis M. de la Cruz Salas (luiggix_at_[hidden])
Date: 2008-01-11 10:47:05

Are you using -NDEBUG in your C++ compilation?.

On Jan 11, 2008 3:43 PM, nisha kannookadan <nishak44_at_[hidden]> wrote:

>
> Hi all
>
> I wrote a program in C++ with Boost and have the same program in Matlab.
> The C++ is much faster for lil matrices (n=32) and vectors until the size
> around 250000,
> but for bigger ones the program is bit slower than Matlab.
> What I use in the program are ublas matrices, vectors
> and some lil operations like solve, norm1, norm2, norm_inf and subrange
> and subslice.
> Can anybody tell me the reason, why Matlab get faster, the bigger the
> program gets?
> The program is huge, so I cant post it here.
> Is there some general comparison between C++/Boost and
> Matlab.
>
> Thanks a lot
>
> Nisha K
>
>
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-- 
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( ( / / ( / ( / /   DCI-DGSCA-UNAM
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