<div dir="ltr">A few questions:<div><br></div><div>* How did you obtain the ParaView executable? (download, build)? If you built ParaView in Debug mode, that could slow things down.</div><div><br></div><div>* How big are your data files, both in terms of disk size and grid elements?</div><div><br></div><div>* How much RAM is on your system?</div><div><br></div><div>- Cory</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Oct 21, 2015 at 8:50 PM, Andy Bauer <span dir="ltr"><<a href="mailto:andy.bauer@kitware.com" target="_blank">andy.bauer@kitware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Did you profile this at all to see where most of the time being spent?<br><div><br>Looking at this, I don't see anything really bad. I think you can take out the time.sleep(1.0) part though. Also, replacing the Calculator filter with the PythonCalculator filter should help some. If you're running this in parallel, the fetch is probably hurting performance as well. <br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Wed, Oct 21, 2015 at 4:02 PM, Neal,Christopher R <span dir="ltr"><<a href="mailto:chrisneal@ufl.edu" target="_blank">chrisneal@ufl.edu</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5">
<div dir="ltr">
<div style="font-size:12pt;color:#000000;background-color:#ffffff;font-family:Calibri,Arial,Helvetica,sans-serif">
<p>Hello,</p>
<p><br>
</p>
<p>I have written a python script that loads in an Ensight data file which has multiple solution times associated with it and performs a set of fairly simple operations on it. It is running very slow, and I'm wondering if there are any experts who use Python
to control Paraview that could help me to optimize the script. In a nutshell the script does the following.</p>
<p><br>
</p>
<p>1.) Go to a timestep</p>
<p>2.) Generate a series of 2D slices in the 3D domain</p>
<p>3.) Compute some values of the solution variables on those slices</p>
<p>4.) Write data to a file</p>
<p>5.) Delete the entire pipeline except the original data</p>
<p>6.) Go back to 1.)</p>
<p><br>
</p>
<p>This process is painfully slow(2+days just to run the script on a modest size data set). I believe that the script having to delete the pipeline and then re-create it for every timestep is contributing to the slowdown. My trouble is that I do not know
how to selectively activate certain elements in the pipeline if I want to extract information from them, so I have to add them sequentially so that the newest one is the active one. The script may also be rendering each step, which is unnecessary for me,
but I do not know how to disable that as well.</p>
<p><br>
</p>
<p>I have attached a copy of the script. I have a minimal working example that contains the data set with only 3 timesteps worth of data.</p>
<p><br>
</p>
<p>I am even willing to pay $100 for an expert to help me out with this.<br>
</p>
<p><br>
</p>
<p>Thank you,<br>
</p>
<p><br>
</p>
<div>
<div name="divtagdefaultwrapper">
<span lang="en-US">
<div style="margin:0"><font face="Calibri,sans-serif" size="2"><span style="font-size:11pt">Christopher R. Neal<span name="searchHitInReadingPane"></span></span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif" size="2"><span style="font-size:11pt">Graduate Student
<br>
Center for Compressible Multiphase Turbulence<br>
</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif" size="2"><span style="font-size:11pt">Mechanical and Aerospace Engineering Department<br>
</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif" size="2"><span style="font-size:11pt">University of Florida</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif" size="2"><span style="font-size:11pt">Cell: <a href="tel:%28863%29-697-1958" value="+18636971958" target="_blank">(863)-697-1958</a></span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif" size="2"><span style="font-size:11pt">E-mail: <a href="mailto:chrisneal@ufl.edu" target="_blank">chrisneal@ufl.edu</a></span></font></div>
</span></div>
</div>
</div>
</div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature">Cory Quammen<br>R&D Engineer<br>Kitware, Inc.</div>
</div>