Author: Roy Brunjes
Date: 15:29:33 11/05/99
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On November 05, 1999 at 16:39:09, James A. Tackett wrote: >In using Rebel Century to play a game of chess I have noticed that every time I >make a move Rebel Century writes something to my Hard Drive. I find this >undesirable from a noise standpoint and from the extra ware on my Hard Drive. I >have tried different configurations but the writing continues. Whats going on >and how do I stop it? I am not an expert on Rebel Century. Having said that, I believe that at least one file that is being written by Century is the logfile. Each position that Rebel Century assesses is written to a logfile (along with Rebel's ply by ply analysis of that position). Listen carefully (or watch your hard drive's light go on) when Rebel moves from one ply to the next deeper one. You'll hear a write to the disk, typically as Rebel finishes a search on the best move. Example: After 7 ply, Rebel may think Rd1 is the best move. At ply 8.00, Rd1 will be examined. When Rebel moves from 8.00 to 8.01 ply, a write to disk will occur. The logfile will contain the analysis for ply 8.00 and the move Rd1. I do not know if there is a way to disable this writing to the logfile. It's possible that other files are also written to. I like the idea of using smartdrv.exe suggested by another person here. It seems logical to install a disk caching program to help with this, though caching is usually a "prevent reads" scenario where this situation appears to be one where data is written to the disk. Some disk caching algorithms are smart enough to group disk writes together to minimize physical I/O. I'm not sure if smartdrv.exe is that smart or not. I do notice that database read/write operations when running Rebel under DOS only are MUCH slower than when run under Windows. This is presumably due to a lack of disk caching software being active on my machine when running DOS only. I hope this rambling helps a little. Roy
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