<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi Kevin,<div><br></div><div>This is pretty delayed so I hope it is still useful to you…</div><div><br></div><div>Performance is very machine- and problem-dependent, but for TACC Stampede, a more or less commodity Intel cluster, I have measured FLASH performance for the unsplit hydro solver using PARAMESH (;-)) AMR at about 1.0e-8 core-hours per zone per step in 3D. And this weak scales nearly perfectly up to at least 4096 cores. YMMV.</div><div><br></div><div>Cheers,</div><div>Sean</div><div><br></div><div><br><div>
<div>-----------------------------------------------------------<br>Sean M. Couch<br>Sr. Postdoctoral Scholar<br>Theoretical Astrophysics Including Relativity<br>California Institute of Technology<br>Mail Code 350-17<br>Pasadena, CA 91125<br>(626) 395-4282<br><a href="http://www.flash.uchicago.edu/~smc">www.flash.uchicago.edu/~smc</a></div>
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<br><div><div>On Oct 28, 2014, at 9:19 AM, Kevin Olson <<a href="mailto:Kevin.M.Olson@drexel.edu">Kevin.M.Olson@drexel.edu</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Does anyone have any recent performance numbers for FLASH 4.2?<br><br>Thanks in advance,<br>Kevin Olson<br></blockquote></div><br></div></body></html>