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We too (Martin Bly) are evaluating quotations for Woodcrest alongside Opteron. Our position is similar to yours Dave. Its Martin's pigeon to come to an opinion within the evaluation with regard to the relative merits of the two solutions. Its clearly difficult to evaluate performance of a new platform - I would say that Fred is the person to talk to. Regards Andrew > -----Original Message----- > From: Testbed Support for GridPP member institutes > [mailto:[log in to unmask]]On Behalf Of David Colling > Sent: 08 August 2006 19:52 > To: [log in to unmask] > Subject: Woodcrest (better worded) > > > Hi, > > Thank you very much to those of you who sent replies to my > last email on > this subject. I thought that it might be worth me explaining our > situation a little more. > > Basically, we are being quoted very good prices for the > woodcrest 5130 > which typically seems to have SpecInts2Ks of ~2100/core when > running on > one core according to the SpecInt web pages. We had been > assuming that > we would be buying something like the Opteron 280 but these > are coming > in at about £300 more per dual slot dual core machine and > according to > the SpecInt pages have typical values of around 1600/core SpecInt2K. > > There are many issues here the desire to full fill our MoU > commitments, > how well our actual codes run on these machines ... not to > mention that > the SpecInt figures are actually calculated on a single core > while the > rest of machine is doing nothing and therefore may not reflect > performance when there are 4 jobs running on each box. > > I am very keen to make the purchase in the next day or two and so any > information on either of these options would be very useful indeed. > > All the best and thanks for your help, > david >