[Insight-developers] fill

[Bill Lorensen]

The Ubuntu timings are much longer than windows. Was that expected?



On Wed, Apr 10, 2013 at 10:42 AM, <M.Staring at lumc.nl> wrote:

>
>
> -----Original Message-----
> From: Staring, M. (LKEB)
> Sent: woensdag 10 april 2013 16:28
> To: Insight Developers (insight-developers at itk.org)
> Subject: FW: fill
>
> Forgot to include the maliing list
>
> -----Original Message-----
> From: Staring, M. (LKEB)
> Sent: woensdag 10 april 2013 16:24
> To: 'Williams, Norman K'; blowekamp at mail.nih.gov
> Cc: matt.mccormick at kitware.com
> Subject: RE: fill
>
> Hi,
>
> Attached you can find some timings for different POD types, I tested for
> short, int, float and double. std::fill_n is always faster, but less so for
> longer types.
>
> I simply modified itk::Array::Fill to use std::fill_n instead of referring
> to the vnl_vector::fill which uses a simple loop over the data. Not sure if
> this is the way to go, but my experimental looks green:
>
>         http://open.cdash.org/buildSummary.php?buildid=2871413
>
> The patch I just submitted to gerrit:
>
>         http://review.source.kitware.com/#/c/10801/
>
> Curious to your comments,
>
> Regards, Marius
>
> -----Original Message-----
>
>
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