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Re: slow code, optimisation advice needed


From: Ian McCallion
Subject: Re: slow code, optimisation advice needed
Date: Wed, 30 May 2018 13:55:07 +0100

>From the sample the data is numeric and has a fixed number of columns.
So do you really want it in cells containing character strings? If so
there is not much else you can do IMHO, but if what you really want is
the numbers try

e = dlmread ("C:/Backup/Thermo Backups/2018-05-17.txt");

which runs about 15 times faster.

HTH
Ian

On 29 May 2018 at 13:49, tomkut <address@hidden> wrote:
> Yes Ian, here is a sample  2018-05-17_-_Copy.txt
> <http://octave.1599824.n4.nabble.com/file/t372862/2018-05-17_-_Copy.txt>
> size: about 6MB
> I added:
> n=length(strsplit(d{1}))
> e = cell(length(d),n);
> and that improved speed greatly already.
>
>
>
> --
> Sent from: http://octave.1599824.n4.nabble.com/Octave-General-f1599825.html
>
>



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