[Wien] 2 XEON 5355 or 4 XEON 5150?
zmqw2k at gmail.com
Mon Oct 22 08:22:36 CEST 2007
Thanks for you reply.
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?
2007/10/19, Matyáš Novák <novakmat at fzu.cz>:
> Q Z napsal(a):
> > Dear All,
> > We plan to buy a new computer for Wien2k calcualtion. There are
> > two choices, one is use 2 quad core CPU (Intel XEON 5355),the other is
> > use 4 dual core CPU (XEON 5150). Which one is better for parallel
> > calculation? Somebody told me that the speed is slow down if runing
> > a job in parallel using the 8 cores of 2 XEON 5355. Is it right?
> > Thanks in advance.
> Dear QZ,
> the intel xeon scale pretty good up to four cores on one FSB - so if you
> can choose bettwen two computers with 2x2cores and one with 2x4, the
> first choice is imho better.
> Matyas Novak
> Wien mailing list
> Wien at zeus.theochem.tuwien.ac.at
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