
<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Hi Ernesto,<div><br></div><div>You should perform your scaling study on the machine itself and *not* recycle old scaling plots, as the scaling will depend on the properties of the machine (e.g., interconnect hardware, specific MPI library plus wrapper (intel vs gcc etc)).</div><div><br></div><div>But for inspiration, you can search the FLASH mailing list archive and I think circa 2016 Sean Couch still has the most impressive scaling plot I’ve seen.</div><div><br></div><div>Best wishes,</div><div>Ryan<br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On 8. Jan 2025, at 06:05, ERNESTO ZURBRIGGEN <ezurbriggen@unc.edu.ar> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">Hello everyone! <div>I am writing a proposal for HCP computing in a cluster with FLASH as the main code to be used. And I was wondering where I can find an MPI scalability test to include in the proposal. This is mandatory in the call. </div><div><br></div><div>I thought I had seen a scalability plot in the user manual, but I can't find it. </div><div><br></div><div>Best regards! </div></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr" style="font-style:inherit;font-variant:inherit;font-weight:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:inherit;vertical-align:baseline"><font face="monospace" color="#666666"><font style="background-color:rgb(234,209,220)"><font><span style="font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;margin:0px;padding:0px;border:0px;vertical-align:baseline"><div style="font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;margin:0px;padding:0px;border:0px;vertical-align:baseline"><i style="background-color:rgb(255,255,255);line-height:normal">PhD Ernesto Zurbriggen,<br></i></div><div style="font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;margin:0px;padding:0px;border:0px;vertical-align:baseline"><i style="background-color:rgb(255,255,255);line-height:normal">Assistant researcher (CONICET)</i><i><br></i></div></span></font></font><font style="background-color:rgb(234,209,220)"><span style="font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;margin:0px;padding:0px;border:0px;vertical-align:baseline"><div style="font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;margin:0px;padding:0px;border:0px;vertical-align:baseline"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;background-color:rgb(255,255,255)"><i></i></span></div></span></font></font></div><div dir="ltr" style="font-style:inherit;font-variant:inherit;font-weight:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:inherit;vertical-align:baseline"><div style="margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:inherit;vertical-align:baseline"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline"><i style="line-height:normal"><font face="monospace" color="#666666"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline"><i style="background-color:rgb(234,209,220)"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline"><div style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline;background-color:rgb(255,255,255)">Email:</span><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline;background-color:rgb(255,255,255)"><i style="line-height:normal"> <a href="mailto:ernesto.zurbriggen@craam.mackenzie.br" target="_blank">ezurbriggen@</a><a href="http://unc.edu.ar/" target="_blank">unc.edu.ar</a></i></span><i><br></i></div><div style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-he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