Computer Chess Club Archives


Search

Terms

Messages

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

Author: m.d.hurd

Date: 15:03:19 04/19/04

Go up one level in this thread


On April 19, 2004 at 10:29:27, William Penn wrote:

>On April 19, 2004 at 03:20:02, m.d.hurd wrote:
>
>>On April 19, 2004 at 03:14:23, m.d.hurd wrote:
>>
>>>On April 19, 2004 at 02:47:16, William Penn wrote:
>>>
>>>>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
>>>Hello William
>>>
>>>I have the latest GUI running Shredder 8. Windows XP with 1 gb ram. I tried to
>>>re-create the error you mentioned but could not. Every thing works fine on my
>>>machine.
>>>
>>>Regards
>>>
>>>Mike
>>
>>Also tried accessing help while engine was running in infinite analysis mode.
>>The engine carried on calculating normaly.
>>
>>Regards
>>
>>Mike
>
>Then something is different about our machines. I am running an AMD Athlon XP
>2400+ processor at 2.0GHz, 1GB RAM, and the English version of Windows XP Home
>(SP1) with all of the latest upgrades. I wonder... Does Chessbase (or you) test
>these programs on an Athlon processor, or only on Pentium processors? Are they
>tested on Windows XP Home (SP1)?
>WP

Looks like we have very similar machine specs.

Athlon 2400 xp running at 2.0 Ghz, 1 Gb Ram, Nvidia Geoforce 4 TI 4200 graphics
card, Creative Audigy sound card, English version of windows xp home. All the
latest updates for windows, graphics card, motherboard and bios.

Regards

Mike



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.