Author: Robert Hyatt
Date: 11:35:32 03/11/04
Go up one level in this thread
On March 11, 2004 at 12:38:06, Vincent Lejeune wrote: >On March 11, 2004 at 11:19:49, Robert Hyatt wrote: > >>On March 10, 2004 at 13:49:01, Vincent Lejeune wrote: >> >>>Try this ATA flash disk, their access time is way more efficient than classical >>>HD :o) >>> >>> >>>http://www.theinquirer.net/?article=14635 >> >> >>Not very big, _way_ expensive. And still slower than SCSI on transfer rate... > >This product is way younger than SCSI too > >as i wrote in the follow up message ( >http://www.m-systems.com/content/Products/product.asp?pid=34 ) > >_Access time: <0.04 ms_ : so to read tablebase it should 100 times faster than >SCSI disk > >I still to think this system will replace mechanical harddisk in some years ... > > People said the same thing about bubble memory when TI was actively working on it. >> >> >> >> >>> >>>On March 08, 2004 at 23:49:58, William Penn wrote: >>> >>>>Pretty simple. Reduce hash size. That's the only thing I've found to have a >>>>significant effect when tablebase access starts to churn the hard drive >>>>constantly. Engine speed (kN/s) falls dramatically at that point, perhaps to 10% >>>>or less of normal speed, and never recovers. However using smaller hash size >>>>appears to fix this problem. >>>> >>>>For example my computer has 1G RAM installed. I can run Shredder 8 with 768MB >>>>hash normally, although I often use 512MB which the op system prefers a bit >>>>more. Now one would think that 512MB hash would be OK in any situation with 1G >>>>RAM, but not so. It's too much hash when tablebase access starts to crank up >>>>heavy in endgame situations. At that point, reducing hash size to 256MB usually >>>>fixes this problem, restoring engine speed to a reasonable kN/s. I haven't yet >>>>found it necessary to goto 128MB hash. >>>> >>>>[Windows XP Home, Athlon XP 2400+/2.0GHz, 1G RAM] >>>>WP
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