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Subject: Re: Shredder 8 bug continues in latest GUI-hash resizing/Infinite Analysis

Author: Mike S.

Date: 18:46:05 04/18/04

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On April 18, 2004 at 13:06:21, William Penn wrote:

>After changing the hash size then starting Infinite Analysis mode, the exception
>still occurs in the recent April 2004 update GUI.

I'm not sure who it was who insited to change the hash size *during the
calculation process was running* I'm not sure if it was you, but if yes, you
shouldn't talk of a bug in that case IMO. That's just unproper use! No
programmer will expect that somebody will want to change the hash size during
calculation. Keep in mind that engines create complex data structures. I
wouldn't recommend to change anything while an engine is currently working.

The normal use is like this:

1. stop the engine
2. set the new hash size
3. restart the engine

Does that work without error, with S8 (I suppose it does)?

Furthermore, there's no sensefull reason to change the hash size during
calculation IMO. Just set a hash size *befor start* you can keep until the end
of the calculation. Maybe you overestimate the influence of the hash size. It
doesn't make much difference i.e. to use 128 or 256 MB...

Next time somebody will report a bug because he can't change the position while
the engine was running :-))

(Btw. this was possible in Virtual Chess f.W.'s setup screen!)

Regards,
M.Scheidl



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