<br>Hi Matt,<div><br></div><div>Got it. Although I do like using ELPA because it is much faster. Thank you very much. Wish ELPA would be more compitable with cp2k in the future (figure crossed).</div><div><br></div><div>Regards,</div><div>Hongyang</div><div class="gmail_quote"><div dir="auto" class="gmail_attr">在2021年6月18日星期五 UTC+10 下午6:58:54<Matthias Krack> 写道:<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Hi<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">It seems that is an issue rather related to ELPA than to BFGS. specifically, because BFGS involves a diagonalization of the Hessian whereas LBFGS does not. When
BFGS works with ScaLAPACK, the problem stems most likely from ELPA. There have been issues observed with CP2K/ELPA, recently. So, just use ScaLAPACK, since the advantage of using ELPA instead of ScaLAPACK is most likely minor for your case.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">M.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="DE" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span lang="DE" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Von:</span></b><span lang="DE" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <a href data-email-masked rel="nofollow">c...@googlegroups.com</a> <<a href data-email-masked rel="nofollow">c...@googlegroups.com</a>>
<b>Im Auftrag von </b><a href data-email-masked rel="nofollow">ma...@gmail.com</a><br>
<b>Gesendet:</b> Freitag, 18. Juni 2021 02:44<br>
<b>An:</b> cp2k <<a href data-email-masked rel="nofollow">c...@googlegroups.com</a>><br>
<b>Betreff:</b> [CP2K:15589] Stuck when using BFGS<u></u><u></u></span></p>
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<p class="MsoNormal">Hi,<u></u><u></u></p>
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<p class="MsoNormal">I'm a new user of cp2k v8.2. When I do GEO_OPT using BFGS, it has been stuck many times in the step "OPTIMIZATION STEP: 1" as shown below without showing any errors. If I don't kill the job manually, the job will just keep running without
printing any new results. This does not occurs when using SCALAPACK instead of ELPA or using LBFGS/CG instead of BFGS. I'm wondering is there any way to solve this BFGS issue? Thanks.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Regards,<u></u><u></u></p>
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<p class="MsoNormal">Hongyang<u></u><u></u></p>
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