<div>Thanks for you reply. </div>
<div>Do you think the scale of 2X4cores using two AMD quad core CPU(opteron 2350) is better than that of 2X4 cores using two Xeon 5355? <br><br>ZM</div>
<div> </div>
<div><span class="gmail_quote">2007/10/19, Matyá Novák <<a href="mailto:novakmat@fzu.cz">novakmat@fzu.cz</a>>:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Q Z napsal(a):<br>><br>> Dear All,<br>> We plan to buy a new computer for Wien2k calcualtion. There are
<br>> two choices, one is use 2 quad core CPU (Intel XEON 5355),the other is<br>> use 4 dual core CPU (XEON 5150). Which one is better for parallel<br>> calculation? Somebody told me that the speed is slow down if runing
<br>> a job in parallel using the 8 cores of 2 XEON 5355. Is it right?<br>> Thanks in advance.<br>><br>Dear QZ,<br>the intel xeon scale pretty good up to four cores on one FSB - so if you<br>can choose bettwen two computers with 2x2cores and one with 2x4, the
<br>first choice is imho better.<br>Matyas Novak<br>_______________________________________________<br>Wien mailing list<br><a href="mailto:Wien@zeus.theochem.tuwien.ac.at">Wien@zeus.theochem.tuwien.ac.at</a><br><a href="http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien">
http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien</a><br></blockquote></div><br>