[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

The irony... (was Re: famous flops... )

From: David Doolin
Subject: The irony... (was Re: famous flops... )
Date: Thu, 01 Jun 2000 11:04:59 -0400

>It is more than "probably".  Cleve Moler has already stated publicly in
>  Regrettably, one popular MATLAB feature must be a casualty with the
>  introduction of LAPACK. The flops function, which keeps a running count
>  of the number of floating-point operations, is no longer feasible. Most
>  of the floating point operations are now done in optimized BLAS that
>  do not keep flop counts. However, with modern computer architectures,
>  floating-point operations are no longer the dominant factor in execution
>  speed. Memory references and cache usage are most important.
>Octave leads, Matlab follows :-)

This is ironic, because one of the lapack PI's (demmel) _always_ demands 
flop counts in any matlab programming assignments...  ;)


Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:
How to fund new projects:
Subscription information:

reply via email to

[Prev in Thread] Current Thread [Next in Thread]