Author: Dann Corbit
Date: 19:23:49 12/16/04
Go up one level in this thread
On December 16, 2004 at 20:56:56, Robert Hyatt wrote: >On December 16, 2004 at 18:25:42, Vincent Lejeune wrote: > >>On December 16, 2004 at 17:31:10, Scott Gasch wrote: >> >>>On December 16, 2004 at 14:46:33, Dann Corbit wrote: >>> >>>>On December 16, 2004 at 03:37:46, Gian-Carlo Pascutto wrote: >>>> >>>>>On December 15, 2004 at 22:24:49, Alex wrote: >>>>> >>>>>>Of course it would be foolish to buy a New computer now...... Micrsoft is going >>>>>>to present a 64 bit OS nest year, the Christmas prices of new computers will >>>>>>drop like a BRICK by Jan 1.......... But ! Let us speculate.... Hmmmmmmmmmm >>>>>>What will 64 bit DO for chesss programs ....Yes yes I KNOW AMD has New processor >>>>>>that does 64 bit..... but what is the difference ..reallY? D >>>>> >>>>>Speed. >>>>> >>>>>You can expect programs to get 10-60% faster from 64 bit mode. >>>>> >>>>>This is in addition to the Athlon64 already being so fast in 32 bit mode. >>>> >>>>Another potential advantage is the large address space. >>>> >>>>With terabytes of ram directly addressable, potentially totally new solution >>>>ideas may be formulated. >>>> >>>>For instance, you could memory map the 3-4-5 man tablebase files and lose the >>>>disk access penalty. That might make them give a large Elo boost, while the >>>>disk access method for 32 bit systems seems to be about break even. >>>> >>>>You could have 20 GB hash tables. >>>> >>>>You could store (in ram) a large tree of every chess game ever played together >>>>with statistical information on each node. >>> >>>...of course this all assumes you have a machine with 20Gb of physical memory >>>and a chipset that supports that much RAM. Until the cost of memory comes way >>>down, you won't see me mapping EGTB files (compressed or not) into memory. :) >>> >>>Scott >> >>I'd suggest 2 pen drive USB like this : >>http://www.supermediastore.com/pendrive-4gb-flash-drive.html >> >>Yes, no that cheap, but all 3-4-5 egtb way faster than disk > > >"faster than disk"? What kind of disk do you use for your egtb's? Floppy or >CDRom? :) The think you gave a link to is horribly slow compared to anything >except for CD/floppy drives... 480Mbps seems pretty fast to me. What kind of disks are you using? ;-)
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