Author: Lar Mader
Date: 12:44:55 06/08/03
Go up one level in this thread
On June 07, 2003 at 22:45:40, Robert Hyatt wrote: >On June 07, 2003 at 11:54:30, emerson tan wrote: > >>How many Ghz before we can get average 20ply per move on a tournament time >>control. I always want a computer that can see 10 moves ahead > > >Lets take Crafty as a case in point, since I know what it can do. On a >3ghz machine, at 3 minutes a move, it will search 12-14 plies in the >middlegame depending on checks and so forth. Let's take 13 as an average. > >To do 14, requires 3x faster hardware. you want to go 7 plies deeper, which >means 3^7 times faster = roughly 6.7 terahertz. or about 2000 times faster >than the fastest machine today. If you figure on doubling every 18 months, >assuming Moore's law doesn't "run dry" then log2(2187) = roughly 10. Which >means you need to double the 3.0ghz today about 10 times. Figure 15 years >with luck. How about if we factor in throwing multiple cpus at it. What kind of Ghz would be needed for quad or 8 processor machines. What is the average speedup per additional cpu? -= Lar
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