Author: Slater Wold
Date: 09:05:07 01/15/02
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On January 15, 2002 at 12:00:22, Robert Hyatt wrote: >On January 15, 2002 at 09:35:16, Slater Wold wrote: > >>I know this question has been asked before, but I cannot find an answer anywhere >>in the archives........ >> >>My computer is now SCSI. I basically have a disk subsystem of 4 36.4Gb 10k RPM >>disks (in their own case because of heat). I plan on downloading all the >>3/4/5/6 tablebases from Hyatt's site. >> >>Here is my question: >> >>From what I understand, TB's are faster on 10k RPM disks if they are >>uncompressed. I was planning on runnings some tests with Crafty, but cannot get >>those TB's to uncompress. >> >>How do I uncompress them? > >the tbdecode program will uncompress them. However, the speed advantage is >almost nil because of buffering/caching... with compressed tables Crafty >ends up doing less I/O which helps. It _used_ to be true that on a 400mhz >xeon X 4 machine, uncompressed was faster. With my quad 700, this is not >true. If your machine is not faster than the quad 400s, which would be >somewhere around 1ghz on a single cpu machine, then you should try to use >them uncompressed. If you have a faster processor, the decompression goes >quicker and is faster than doing the extra file I/O. Interesting. Perhaps it was a new question, because I've never heard that. Might want to update your FTP message. :) Ok, so I will keep them compressed. Also Bob, I will try to download late at nite and weekends to keep your bandwidth reserved for those who need it. Also, it's faster for me then. :) > > > > > >> >>Thanks to those who take the time to answer the same question over and over. :)
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