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<p class="MsoNormal">Hi (again Johan),<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">For your information, we track/fix issue on big models by testing them in internal workbench. If you have simulation issue, we can add your model on this non-opensource set to try to improve the compilation time for it. Don’t hesitate to
mail it to me (might be a partial or without parameter knowledge).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Clément<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>From:</b> users <users-bounces@lists.scilab.org> <b>On Behalf Of
</b>Johan Lafitte<br>
<b>Sent:</b> Wednesday, February 10, 2021 6:41 PM<br>
<b>To:</b> users@lists.scilab.org<br>
<b>Subject:</b> [Scilab-users] xcos_simulate()<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4">Hi,<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"> <o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4">My xcos model becomes quite large and takes time to compile. In order to launch batches and optimisation process, it seems possible to compile the model juste one
time. <o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4">However, I meet the same difficulties as described in this post :<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"> <o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"><a href="http://mailinglists.scilab.org/xcos-xcos-simulate-scs-m-1-or-xcos-simulate-scs-m-4-td4031207.html#a4031274">http://mailinglists.scilab.org/xcos-xcos-simulate-scs-m-1-or-xcos-simulate-scs-m-4-td4031207.html#a4031274">http://mailinglists.scilab.org/xcos-xcos-simulate-scs-m-1-or-xcos-simulate-scs-m-4-td4031207.html#a4031274">http://mailinglists.scilab.org/xcos-xcos-simulate-scs-m-1-or-xcos-simulate-scs-m-4-td4031207.html#a4031274</a><o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"> <o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4">Indeed, the following script...<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:#4863A4"> ___________________________________
</span></i><span style="color:#4863A4"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black">loadXcosLibs;</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black">importXcosDiagram("C:\Users\johan\OneDrive\Micro entreprise\Technique\Kayak guide\Modélisation\Scilab\optimisation"+"\modèle physique et commande simple_10_opti.zcos");</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black">tic();</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black">xcos_simulate(scs_m, 4);</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black">disp("méthode 2",toc());</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> </span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black">tic();</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black">%cpr = xcos_compile(scs_m);</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black">disp( "Durée compilation",toc());</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> </span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black">tic();</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black">xcos_simulate(scs_m,1)</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black">disp( "méthode 1",toc());</span></i><span style="color:#4863A4"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"> ___________________________________
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"> <o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4">...gives the following results :<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"> ___________________________________<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black">"scicos_simulate step 1"</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> 50.813412 s</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> </span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> "scicos_simulate step 2"</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> 57.440604 s</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> </span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> "xcos_simulate(scs_m, 4) méthode 2"</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> 58.808546 s</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> </span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> "Compilation duration"</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> 55.615238 s</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> </span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> "xcos_simulate(scs_m,1) méthode 1"</span></i><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><i><span style="color:black"> 61.133700 s</span></i><span style="color:#4863A4"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"> ______________________________<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4">It seems the compilation step is done in all these cases.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"> <o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><b><span style="color:#4863A4">Thank you for your time and for your help</span></b><span style="color:#4863A4"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4">Johan
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4">note 1 : when the final time of the simulation is set from 20s to 200s, the execution time increases about 15s<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4"> <o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-indent:14.2pt"><span style="color:#4863A4">note 2 : according to the windows task manager, CPUs seem to be used about 30% during compilation and about 100% during simulation which takes few seconds<o:p></o:p></span></p>
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