Use the Linux version which you "know" best, so that you are able to configure your Linux properly and install all necessary tools.
Am 28.06.2012 10:20, schrieb ali ghafari: > Dear Prof. Blaha > Thank you very much for your professional advice. for optimize system > does it matter which operating system we use or not? for example Debian > is better or Ubuntu? > Best Regards > Ali > > ------------------------------------------------------------------------ > *From:* Peter Blaha <pblaha at theochem.tuwien.ac.at> > *To:* A Mailing list for WIEN2k users <wien at zeus.theochem.tuwien.ac.at> > *Sent:* Thursday, June 28, 2012 8:44 AM > *Subject:* Re: [Wien] AMD or intel CPU > > Intel I7 cpus are SIGNIFICANTLY faster than AMD. > > Make sure it is an I7 (not I5,..), because they have the fastest memory > access and run best with Lapack/Blas (because of the mkl-library) which > is very important. > > At the moment Intel offers: > > i7-3820 300$, 130W, 4 cores, 3.6/3.8GHz, 10MB cache, 4 memory channels > and 51.2 GB/s bandwidth > i7-3930K 600$, 130W, 6 cores, 3.2/3.8 12 , as above > > i7-3770K 340$, 77W, 4 cores, 3.5/3.9 , 8MB , 2 memory channels > !!!! 25.6 GB/s !!! > > So I would go clearly for a i7-3820 (or if you have more money) for a > i7-3930K processor. > > The last one (3770K) is produced in the newest technology (power > saving), but I guess its memory bus is much slower! > > Am 27.06.2012 13:53, schrieb ali ghafari: > > Dear Profs. Blaha and users > > We want to buy new computer for Wien2k calculation. The question is > > which kind of platforms (AMD or inlet) are suitable for Wien2k package? > > Best Regards > > Ali > > > > > > _______________________________________________ > > Wien mailing list > > Wien at zeus.theochem.tuwien.ac.at <mailto:Wien at > zeus.theochem.tuwien.ac.at> > > http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien > > > > -- Peter Blaha > Inst.Materials Chemistry > TU Vienna > Getreidemarkt 9 > A-1060 Vienna > Austria > +43-1-5880115671 > > > _______________________________________________ > Wien mailing list > Wien at zeus.theochem.tuwien.ac.at <mailto:Wien at zeus.theochem.tuwien.ac.at> > http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien > > > > > _______________________________________________ > Wien mailing list > Wien at zeus.theochem.tuwien.ac.at > http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien > -- Peter Blaha Inst.Materials Chemistry TU Vienna Getreidemarkt 9 A-1060 Vienna Austria +43-1-5880115671