Author: William Penn
Date: 22:18:17 10/14/02
Go up one level in this thread
On October 12, 2002 at 11:17:56, Andrew R. Case wrote: >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 Thanks. I'll give it a try... WP
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.