Author: Robert Hyatt
Date: 15:18:10 02/19/03
Go up one level in this thread
On February 19, 2003 at 14:56:06, Charles Worthington wrote: >On February 19, 2003 at 11:50:42, Robert Hyatt wrote: > >>On February 18, 2003 at 02:54:19, Drexel,Michael wrote: >> >>>Dual Athlon 1900+ 1590 kn/s >>> >>>PIV 3.06 GHz 1310 kn/s >> >> >> >>That says it all. duals will be 2620. Factor in another 20-30% for >>hyper-threading >>and he will get there. 2620 * 1.2 (20%)=3144K, 2620*1.3 (30%)=3406K. His 3M >>is certainly within reach and then some, and his xeon has a bigger cache IIRC >>(512K >>vs 256K) >> > > > >Thank you Bob for confirming my math. It's nice to see that someone can still do >the math and come up with same figures I do. Of course math doesn't lie. At the >very least I will get my 2500-2600 even if the hyperthreading didn't exist. But >since it_does_exist and since it_will_exceed the conservative 1.2 multiplier I >tend to agree with you. It just seems so unreal to look at those figures. The >machine that fought Kramnik was not that fast even. I guess I have gotten used >to seeing so many 2200 kNs duals on the server that the reality of it wont hit >me until i see the benchmark. Most intel tests indicate a hyperthreading >multiplier of 1.33 to 1.37 for applications that are good with utilizing >multiple threads....which fritz certainly is. Note that fritz might not be hyper-threading friendly yet. A change for spinlocks and spinwaits is necessary for max performance. I don't know if it has been done for fritz, although it was done for Crafty as soon as I got my dual... >>> >>>Athlon XP2800+ 1230 kn/s >>> >>>Athlon XP2600+ 1160 kn/s >>> >>>Athlon XP2400+ 1100 kn/s >>> >>>PIV 2.67 GHz 1070 kn/s >>> >>>Athlon XP2100+ 960 kn/s >>> >>>Athlon XP2000+ 940 kn/s >>> >>>Athlon XP1900+ 900 kn/s >>> >>>PIV 2.26 GHz 880 kn/s >>> >>>Athlon XP1800+ 830 kn/s >>> >>>Athlon XP1700+ 805 kn/s >>> >>>PIV 2.0 GHz 780 kn/s >>> >>>Athlon 1400C 770 kn/s >>> >>>Celeron 1500 760 kn/s >>> >>>Celeron 1400 690 kn/s >>> >>>PIV 1.8 GHz 660 kn/s >>> >>>Duron 1300 640 kn/s >>> >>>Celeron 1200 560 kn/s >>> >>>Intel PIII,1Ghz 540 kn/s >>> >>>Athlon 900 470 kn/s >>> >>>Celeron 600 295 kn/s >>> >>> >>> >>>F7,DF7 64 MB Hash >>> >>> >>>I could easily reach >3000 rating with my XP 2000+ on Playchess server, simply >>>by preparing a special opening book. >>>Others cheat and play with 2 machines and two Internet connections to get a high >>>rating. >>>What for?
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