Author: Dann Corbit
Date: 00:01:05 12/05/03
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On December 05, 2003 at 00:18:56, Ed Panek wrote: >On December 04, 2003 at 21:18:40, Anson T J wrote: > >>I have a few questions about tablebases, I currently have all the 3,4 and 5 >>piece ones. I'm thinking if I should get the 6 men ones too. >> >>1. Whats the total size of 2,3,4,5 and 6 men tablebases currently available for >>download? >> >>2. How much Tablebase cache is required to use 6 men tablebases? (Will I need >>more than 512 MB ram total?) >> >>3. Which chessbase engines support 6+ men tablebases? >> >>thx in advance. > >Just for fun I thought I would mention this... > >Last week our company was at RSNA (Radiology show) in Chicago where Fujitsu is >now furthering the medical field supplying large scale media storage devices >with terrabytes of nearly instantaneous file retrieval and archival mostly for >PACS.(Imagine Large Hospitals like the Mayo Clinic with 20-30 workstation >storing 20 MB DICOM Images all day) Using MO disks and also some Bluelight >DVD-R technology Fijitsu and also Dell demoed their systems for us. With 5-20 GB >of space available per media and jukeboxes full of 100-200 disks, they have > >1.5 terrabyte of storage or more. Mechanically the retrival system can access >almost any drive in less than 2 seconds. (That is retrieve the media and begin >reading.) I couldnt get the exact tranfer rate of the devices but I would >suspect they would be similar to SCSI devices normally found in the server >industry (Asynchronous 5 MB/s, Synchronous 10 MB/s non-sustained) > >Typical cost for a system like this is $100K / Terrabyte .... out of range for >most people and not including a service contract in case the device breaks ( >which it looks like it would) > >Unfortunatly even this technology would be not suited for retrieving 100-200 MB >tablebase files in very quick real time conditions. It was engineered for 10-20 >MB files in short bursts. > >Maybe in 3-4 years we will have reasonable ability to actually contain all the 6 >man TB's and even more:-) My Brother-in-law's father has a patent for technology that will store a terrabyte of data on a spot the size of your little finger nail. He never got any computer companies interested in it, but now a medical company has funded research on it. It uses the same idea as a radiation dosimeter crystal. Except that they use ionizing radiation to write to the crystal on purpose.
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