Author: Vincent Lejeune
Date: 04:05:30 12/08/03
Go up one level in this thread
On December 08, 2003 at 00:12:38, Eugene Nalimov wrote: >On December 07, 2003 at 23:30:56, Jay Urbanski wrote: > >>For a dual processor system, Opteron is the fastest. >> >>Opteron 2.2GHz >>http://www.spec.org/cpu2000/results/res2003q4/cpu2000-20031117-02634.html >> >>Crafty base ratio 35.0 >> >>Itanium 1.5GHz >> >>http://www.spec.org/cpu2000/results/res2003q3/cpu2000-20030711-02391.html >> >>Crafty base ratio 28.4 >> >>This of course doesn't take advantage of all the NUMA stuff you just put into >>19.6. > >NUMA stuff will not change runtime of 4 independent Crafty copies with any >decent OS. > >>It also doesn't take into account the factor of at least 3 price differential >>between the two, or the fact that there isn't a whole lot of software written >>for Itanium out there. > >I don't believe there is 3x price difference between Opteron and Itanium >systems, at least for quad ones. > >I also don't think there is lot of software written for Opteron out there as >well. I think the opposite is true -- there is more native Itanium software than >there is native Opteron software :-) > >I have both quad Itanium2 and Opteron in my office. For Crafty Opteron is >somewhat faster -- after lot of work. Without that work single-CPU Opteron was >faster than single-CPU Itanium2, but quad Itanium2 was faster than quad Opteron. What was the Mhz for both, please ? > >Lot of bright people worked to speed up Crafty on Opteron, including lead >developers of NT :-) Not sure that some arbitrary application will have such >attention. > >You can look at TPC-C results for quad Opteron and Itanium systems. I think you >would be surprised. You can also look at the TPC-C results for Opteron with more >than 4 CPUs -- and please let me know when you'll find those results. > >Thanks, >Eugene
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