<div dir="ltr">I don't see any changes of note between 2.0 and 2.1. You should run some sort of a profiler or debugger in order to determine the root cause of the change. Note that you may get better performance by providing the bounds of the output raster.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Dec 29, 2020 at 11:15 PM Peter Lim <<a href="mailto:peter.lim@gpslands.com">peter.lim@gpslands.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-SG"><div class="gmail-m_8160687524060090510WordSection1"><p class="MsoNormal"><span style="color:rgb(54,95,145)">Hi,<u></u><u></u></span></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><span style="color:rgb(54,95,145)">I’ve recently updated the Pdal version to 2.1.0 (git_version: Release). <u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)">It took about 40 hours to generate a geo-tiff file from a laz file with 23 million points <u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)">using 64GB Ram and the following json commands:<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)">[<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> {<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> "type":"readers.las",<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> "filename":"somefile.laz"<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> },<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> {<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> "type":"writers.gdal",<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> "resolution": 0.03,<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> "data_type":"uint16",<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> "output_type":"mean",<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> "dimension":"Intensity",<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> "gdalopts":"COMPRESS=DEFLATE,ZLEVEL=9,NUM_THREADS=ALL_CPUS", <u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> "filename":"somefile.tif" <u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> <u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"> } <u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)">]<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)">Before the Pdal update, it used to take about 3 – 5 hours only<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)">Any idea why was it taken such long time.<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)">Thank you.<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)">Best Regards,<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:rgb(54,95,145)">Peter Lim<u></u><u></u></span></p><p class="MsoNormal"><u></u> <u></u></p></div><div id="gmail-m_8160687524060090510DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature">Andrew Bell<br><a href="mailto:andrew.bell.ia@gmail.com" target="_blank">andrew.bell.ia@gmail.com</a></div>