<html><head></head><body>the speed may depend on cpu but also on where your data is stored (are your datasets available locally?) and how your script is written ...<div>Upon my knowloedge GrADS IS fast, it may be the fastest sw you can find everywhere ...</div><div>Davide<br><br><div style="margin: 0px; padding: 0px; box-sizing: content-box; color: rgb(34, 34, 34);"><i style="box-sizing: content-box;"><font size="2" style="box-sizing: content-box;"><span id="mcntmcntext-gen4583" style="box-sizing: content-box; font-family: Calibri, sans-serif;">Dott. Davide Sacchetti</span></font></i></div><div style="margin: 0px; padding: 0px; box-sizing: content-box; color: rgb(34, 34, 34);"><i style="box-sizing: content-box;"><font size="2" style="box-sizing: content-box;"><span id="mcntmcntext-gen4583" style="box-sizing: content-box; font-family: Calibri, sans-serif;"></span></font></i></div><i style="box-sizing: content-box; color: rgb(34, 34, 34);"><font size="2" style="box-sizing: content-box;"><span id="mcntmcntext-gen4583" style="box-sizing: content-box; font-family: Calibri, sans-serif;">Dipartimento Stato dell’Ambiente e Tutela dai Rischi Naturali<br style="box-sizing: content-box;">U.O. Clima Meteo Idro<br style="box-sizing: content-box;">Viale Brigate Partigiane 2, 16129 Genova (I)<br style="box-sizing: content-box;">tel: +39 0106437535<br style="box-sizing: content-box;">mail: <a href="mailto:mauro.damonte@arpal.liguria.it" class="mailto" title="Send email to mauro.damonte@arpal.liguria.it" target="_blank" style="box-sizing: content-box;">davide.sacchetti@arpal.liguria.it</a> web: <a href="http://www.meteoliguria.it/" title="http://www.meteoliguria.it" target="_blank" style="box-sizing: content-box;">https://www.arpal.liguria.it/homepage/meteo.html</a></span></font></i><br><br><br><div><strong>
Da:
</strong>
Brian Gaze <brianw.gaze@googlemail.com>
<br>
<strong>
A:
</strong>
<gradsusr@gradsusr.org>
<br>
<strong>
Inviato:
</strong>
07/04/2022 17:07
<br>
<strong>
Oggetto:
</strong>
[gradsusr] GrADS performance vs alternatives?
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<div>Hi,<br><div><br></div><div>I've recently started generating ECMWF 50 member ensemble plots using a GrADS script for a large latitude - longitude range. Technically it all works fine, but the issue I'm having is performance. It is dependent of course on CPU speed, but even with a very fast processor each individual graph can take approx 1.5 seconds to render and save. </div><div><br></div><div>To an extent running instances on multiple cores helps, but generating a range of graphs (e.g. 2m temps, 850hPa temps, MSLP etc...) can take a long time. Perhaps 40 mins or so for a country the size of the United Kingdom. </div><div><br></div><div>Does anyone have tips for how to optimize performance in the script? Alternatively, is there software available which runs much faster than GrADS script to do the same thing? </div><div><br></div><div>Thanks</div><div><br></div><div>BWG</div></div>
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