Author: Andrew R. Case
Date: 08:17:56 10/12/02
Go up one level in this thread
On October 12, 2002 at 11:12:27, Andrew R. Case wrote:
>On October 12, 2002 at 07:08:12, William Penn wrote:
>
>>
>>I've been studying this for awhile, and I'm now fairly sure that Fritz7 has a
>>memory drain with W98se. If I monitor the free physical RAM with the W98 System
>>Monitor while Fritz7 is running in infinite calculation mode with 128MB hash
>>table on a 500MHz Celeron processor, 256MB RAM system, it gradually ticks down
>>towards zero. Eventually it arrives at zero and then the computer becomes very
>>sluggish and perhaps crashes. The rate of memory drain is about 2MB per minute.
>>So it depends on how much free physical memory you have to start. If you have a
>>lot, and you don't run Fritz7 for very long, it might not tick down to zero. But
>>for those who run Fritz7 for long periods, it may become a serious problem.
>>
>>I think I've found a temporary solution. Of course the Fritz7 programmers need
>>to fix this serious bug, but in the meantime...
>>
>>I'm testing a special little utility which boosts the free physical RAM by a
>>preset amount every x minutes. It is somewhat arbitrary what settings to use,
>>but I'm boosting to a minimum of 32MB RAM every 4 minutes. That means the free
>>memory ticks down to about 24MB, then gets boosted back to 32MB, then ticks down
>>to about 24MB, then gets boosted back to 32MB, ad infinitum in 4 minute cycles.
>>There are several such utilities available, and I've only tried this one, which
>>seems OK for this simple task. It's very simple and easy to understand & use.
>>It's called "CyberLat RAM Cleaner" which can be downloaded at:
>>http://www.cyberlatino.com.mx/
>>Yes, much of that website is in Spanish because the author lives in Mexico, but
>>this software utility is written in English.
>>
>>The other consideration with W95/W98/W98se/WinMe is of course system resources,
>>which are quite limited with those op systems. (WinNT/2000/XP don't have that
>>problem.) But Fritz7 is not too greedy in that regard, and that's not the
>>problem here. The problem is definitely a memory drain. Some might call it a
>>memory leak.
>>WP
>
> The problem is with the "vcache" of win95/98/me. if you let windows manage
>the vcache dynamically it will after a period of time use all of your memory up
>for the vcache. Go to this website
>http://tweakhomepc.virtualave.net/memory/vcache.html
> it shows you how to set the vcache according to how much RAM you have in
>your system. Beware this site has plenty of popups :-))
>
> Andrew R. Case
Sorry, I also forgot to mention that after you set the vcache you'll notice
that youre system will be much more stable and you will not need ANY RAMbooster
programs.
I hope this helps, Andrew R. Case
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