Solved

XP gui slows down, CPU not pegged. Multi XLS on XP

Posted on 2009-04-07
4
297 Views
Last Modified: 2013-12-01
I am trying to spot a bottleneck in a system.  Here is a summary of it:

Dell Precision T3400
core2 quad Q9450
4GB RAM installed
32bit XP Pro sp3
standard SATA drive
office 2003 sp3

I am monitoring the standard items that come up with perfmon--but with each CPU core monitored separately.  Disk time and memory pages per second are 0 most the time with sparse spikes to 60 times per second. Nic isn't utilized much.  ~2 GB of free RAM.  We would stress out the machine by running multiple, complex Excel 2003 sheets.  After about a dozen sheets, the XP GUI (explorer.exe) starts running slow, the explorer process or any other process is not hogging CPU cycles.  All 4 cores are between 40 and 60%. It can take minutes for explorer to respond to mouse clicks on the task bar for example.  The sheets work fine.  Excel seems zippy.  Perhaps there's bottleneck somewhere that I didn't consider.  What might I look at?  Is there a way to monitor the front side bus?
0
Comment
Question by:pcrequest
  • 2
4 Comments
 
LVL 28

Expert Comment

by:burrcm
ID: 24095045
RAM is running at effectively 100% if 2GB is free as 2 is all it will use. Set the 3GB switch per the instructions here to see if any improvement -

http://www.microsoft.com/whdc/system/platform/server/PAE/PAEmem.mspx

Consider a 64 bit OS, pref Vista.

Chris B
0
 
LVL 1

Author Comment

by:pcrequest
ID: 24100175
I'll try the switch, however I should note XP only sees 3.00 GB RAM.  so 2/3 of the RAM is free.  And if RAM was all used up, shouldn't I see a lot of hdd thrashing show up in the memory and disk counters as sustained periods of highs in the graph?
0
 
LVL 28

Accepted Solution

by:
burrcm earned 500 total points
ID: 24105825
Doesn't matter if XP sees 3GB, if you read the link I posted - The virtual address space of processes and applications is still limited to 2 GB, unless the /3GB switch is used in the Boot.ini file.

So your RAM is maxed out and no doubt the swap file is getting a workout. This is why it is not happy. May even run better if you drop the RAM to 2GB, would have to try it to see how it went. XP cannot take full advantage of the quad core, you should upgrade.

Chris B
0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

In this article we have discussed the manual scenarios to recover data from Windows 10 through some backup and recovery tools which are offered by it.
I previously wrote an article addressing the use of UBCD4WIN and SARDU. All are great, but I have always been an advocate of SARDU. Recently it was suggested that I go back and take a look at Easy2Boot in comparison.
The viewer will learn how to simulate a series of sales calls dependent on a single skill level and learn how to simulate a series of sales calls dependent on two skill levels. Simulating Independent Sales Calls: Enter .75 into cell C2 – “skill leve…
The viewer will learn how to create a normally distributed random variable in Excel, use a normal distribution to simulate the return on an investment over a period of years, Create a Monte Carlo simulation using a normal random variable, and calcul…

911 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

22 Experts available now in Live!

Get 1:1 Help Now