Author: William Penn
Date: 23:47:16 04/18/04
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To be more precise... This bug happens in the following sequence: (1) the engine is NOT running (2) change the hash size (3) attempt to start Infinite Analysis mode I repeat - the engine is not running when the hash size was changed in step 2. Then Step 3 attempts to start the engine in Infinite Analysis mode, but the exception happens instead. Thereafter Infinite Analysis mode will not work until the GUI is exited and restarted. Actually the engine can be running without this error happening. I do that frequently, and seldom have a problem! In other words, this bug is not related to whether or not the engine is running. That's irrelevant, and misses the point. The main point is that Infinite Analysis mode in Shredder 8 is buggy in the native CB GUI. This is just one of the bugs. There are others. For example if you access the Help - About menu, that stops the engine in Infinite Analysis mode. Also sometimes when accessing the scoresheet while Infinite Analysis mode is running, that restarts the engine calculating from zero (0). In addition the above hash resizing/Infinite Analysis mode bug is obviously not properly integrated with Windows XP Home, which does not recognize that an exception has occurred. (The prior GUI recognized it properly.) Re hash size: There are good reasons to change the hash size. When the endgame approaches, the engine starts to slow down due to tablebase access. This can be extreme and causes severe hard drive chugging. According to my tests, the only way to speed it up again is to lower hash size. At least it works that way on my computer. Now I suppose you will claim that my processor is overheating, or I need to do a scandisk, defrag, etc. Why not just face it - Shredder 8 is buggy in the native CB GUI (particularly in Infinite Analysis mode), but it works fine in the Classic Shredder GUI! WP
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