<div dir="ltr">Hi Lizy,<div><br></div><div>It would be helpful if you can provide more information to give you more direct help :)</div><div><br></div><div>Can you share the MPI error? Probably you need to set the path to your MPI installation in your /PATH/TO/FLASH/sites directory.<br>Regarding higher resolution producing randomly distributed data - what's your Simulation_initBlock look like? Are you in fact generating random variables?</div><div><br></div><div>Best,</div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr">--------<div>Ryan</div></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jun 20, 2024 at 8:55 PM lizy <<a href="mailto:3287940670@qq.com">3287940670@qq.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"><p style="font-family:Arial;margin:0px;word-break:break-word">Dear Flash Developer, </p><p style="font-family:Arial;margin:0px;word-break:break-word">I used two types of uniform grids, - nxb=256- nyb=128 and - nxb=128- nyb=56, respectively, but the results of the calculations were very different. The results of the more precise grid calculations were actually very inaccurate, and the density and other data were randomly distributed. What is the reason?</p><p style="font-family:Arial;margin:0px;word-break:break-word">In addition, I want to use multi-core operations. After setting it in flash. par, I entered mpirun - np 2 flash 4.8 but encountered an error. Should this command be performed before the ./setup command?</p><p style="font-family:Arial;margin:0px;word-break:break-word">Thank you very much for your answer</p><p style="font-family:Arial;margin:0px;word-break:break-word">Lizy</p>_______________________________________________<br>
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