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Blitz Support : |
From: Xavier WARIN(Compte LOCAL) - I23 (xavier.warin_at_[hidden])
Date: 2003-05-20 09:50:49
Hi
Please visit http://www.opencascade.org/upload/87/index.html
Xavier
oon-list-bounces_at_[hidden] wrote:
>
> ------------------------------------------------------------------------
>
> Subject:
> Blitz++ on pentium 4
> From:
> Raffaele Borrelli <rborrelli_at_[hidden]>
> Date:
> Tue, 20 May 2003 11:40:14 +0200
> To:
> oon-list_at_[hidden]
>
>
> Hi all,
> I've decided to rewrite my quantum dynamics programs in C++ (they are all
> written in F90) and I am trying to use blitz++. Before starting the work I
> run the benchmarks in the blitz++ directory and gave a look at the results.
> I honestly must admit that on my pentium 4 fortran really outperforms blitz++,
> so that I don't know if it's worth trying to rewrite my code in C++.
>
> From what I read about blitz++ I was expecting something more, at least
> comparable to fortran.
> I am using the Intel C++ compiler 7.1 and the Intel Fortran compiler 7.1
> and I've compiled blitz++ and the benchmarks both with the maximum
> optimization (-O3 -xW -tpp7). My computer is a laptop with 256 Mb RAM
> and a pentium 4 processor.
> Is there anything wrong, or is this the maximum that blitz++ can achieve?
> I've attached the results of my benchmarks as a postsscript file generated
> using the scripts for matlab contained in the blitz++ tree.
>
> Thanks in advances,
> Lello.
>
>
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>
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