<div dir="ltr"><div><a href="http://onlinelibrary.wiley.com/doi/10.1002/fld.3827/abstract">http://onlinelibrary.wiley.com/doi/10.1002/fld.3827/abstract</a><br><br></div><div>They do shift the point where strong scalability breaks down, which is notable, but their claim that <span style="color:rgb(0,0,0);font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline!important;float:none">"employing PETSc in its elemental form for high performance computing (HPC) applications would yield very poor scalability"<span class=""> seems exaggerated to put it politely.<br>

<br>Is there anything we can take away from this paper?<br><br></span></span></div><div><span style="color:rgb(0,0,0);font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline!important;float:none"><span class="">Regards,<br>

John<br><br></span></span></div><span style="color:rgb(0,0,0);font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline!important;float:none"></span></div>