Author: m.d.hurd
Date: 15:13:35 04/20/04
Go up one level in this thread
On April 20, 2004 at 08:40:36, William Penn wrote: >On April 19, 2004 at 18:03:19, m.d.hurd wrote: > >>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 > >And are we talking about the same thing? > >It occurred to me overnight that your reference to Help was imprecise, as was my >original comment. I'm talking about: > >(1) turn on Infinite Analysis mode >(2) click the Help menu on the chessboard screen in the native CB GUI >(3) click the "About Shredder 8..." item therein >(4) on my computer, Infinite Analysis mode immediately stops calculating (the >clock stops) > >I have seen this Help-About bug confirmed here by someone else in the past, but >don't recall if it was you. > >I can understand that someone might not see the hash resizing/Infinite Analysis >mode bug unless they use Infinite Analysis mode like I do. I ONLY use Infinite >Analysis mode, nothing else, so I am almost certain to find any related bugs. >Those who only use it occasionally may never encounter them, or only rarely, in >which case they might consider it a temporary glitch and ignore it. This hash >resizing/Infinite Analysis mode bug is one that even I cannot reproduce! It >doesn't happen every time. It appears random. It maybe only happens 10% of the >time. >WP I confirm that help followed by about stops the engine display in its tracks, but the main clock carries on, wierd. Regards Mike
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