[gdal-dev] Help with idiomatic GDAL solution for raster algebra benchmark

Alex HighViz alexhighviz at hotmail.com
Thu Jun 14 23:45:49 PDT 2018


Great, will try and let you know.
________________________________
From: Mateusz Loskot <mateusz at loskot.net>
Sent: 15 June 2018 00:27:34
To: Alex HighViz
Cc: Even Rouault; gdal-dev at lists.osgeo.org; Hagen-Zanker AH Dr (Civil & Env. Eng.)
Subject: Re: [gdal-dev] Help with idiomatic GDAL solution for raster algebra benchmark

On 15 June 2018 at 01:22, Alex HighViz <alexhighviz at hotmail.com> wrote:
> I need to look into sse2/ave2. My feeling is that will be easier
> and more effective for the reference case than for Pronto, because pronto is
> geared to express all operations at the pixel level.

You may try with auto vectorization first (could be interesting to
compare auto vectorized benchmark).
It's fairly easy to enable for MSVC, and GCC too, with a bunch of
compilation flags.

Best regards,
--
Mateusz Loskot, http://mateusz.loskot.net
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