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Windows 7: Mouse stutter/lag when processes using high cpu.

02 Feb 2012   #1

windows 7 ultimate x64
 
 
Mouse stutter/lag when processes using high cpu.

Hi All

I had a PC built about 3 months ago for work purposes (3d rendering) and i`m having an annoying problem when one of the rendering processes I use takes up most of the cpu (98-99%) causing the mouse to freeze and stutter. The only way to reduce this problem is to set the process to a lower priority.

Now I`ve used this same program on other pc`s and have not had this problem and yet I`m using the fastest PC yet and its causing this slowdown.

I`ve tried a program called PRIO to save this task priorty to low but because the process is run from a command prompt via a exe it doesnt seem to recognise it and I have to keep resetting the priority manually, its driving me nuts.

Any ideas?

Thanks

Paul


My System SpecsSystem Spec
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02 Feb 2012   #2

Windows 7 Pro. 64/SP-1
 
 

Welcome to the Windows 7 Forum. I have never used PRIO but lets start with the basics. Turn off PRIO and lets get into Windows for testing. Looking at you Specs it would take a lot of rendering to slow it down as to make the mouse do what it is doing. Go to msconfig/startup and see what is running at boot in the background. I have very little checked. Security and mouse and keyboard.
Questions.
1. What antivirus do you use?
2. What actually are you doing on your computer when this problem happens?
What programs are you using?
3. Have you tried another mouse?
4. What kind of mouse are you using?
My System SpecsSystem Spec
02 Feb 2012   #3

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer
 
 

Hi Pr1970. Follow Layback Bear's excellent advice.

Are you using this version of your video driver?
285.62
NVIDIA DRIVERS 285.62 WHQL

What program are you using for rendering?

In your bios, do you have hyper-threading enabled?

Do you have bios version 2103?

It's an Intel mobo, so go here for auto update:

Intel® Driver Update Utility

And please report back on this - and answer to Layback Bear.



My System SpecsSystem Spec
.


02 Feb 2012   #4

windows 7 ultimate x64
 
 

Quote   Quote: Originally Posted by Layback Bear View Post
Welcome to the Windows 7 Forum. I have never used PRIO but lets start with the basics. Turn off PRIO and lets get into Windows for testing. Looking at you Specs it would take a lot of rendering to slow it down as to make the mouse do what it is doing. Go to msconfig/startup and see what is running at boot in the background. I have very little checked. Security and mouse and keyboard.
Questions.
1. What antivirus do you use?
2. What actually are you doing on your computer when this problem happens?
What programs are you using?
3. Have you tried another mouse?
4. What kind of mouse are you using?
Hi

Thanks, I will try clearing out the msconfig and trying that.

To answer your questions.
1. I`m using Kaspersky internet security 2012
2. 3d Rendering (very processor intensive)
3. Havent tried another mouse but its not just the mouse, keyboard input is also stuttering
4. wired razer death adder

Thanks
Paul
My System SpecsSystem Spec
02 Feb 2012   #5

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer
 
 

Which 3d rendering program are you using?

Blender? (which I've used)
Autodesk 3ds Max?
My System SpecsSystem Spec
02 Feb 2012   #6

windows 7 ultimate x64
 
 

Hi

The rendering program you wont have heard of as its for development work but its basically for generating lighting maps for 3d work so uses alot of floating point calcs and is 64bit. runs from a cmd prompt via a script. If I could find out how to automatically lower its priorty that would solve the problem.

Yes latest bios and video drivers as you mentioned.
The intel site seemed to find everything upto date apart from my wire networking adapter Intel(R) 82579V based Network Controller(OEM)

Thanks

Paul


Quote   Quote: Originally Posted by Lemur View Post
Hi Pr1970. Follow Layback Bear's excellent advice.

Are you using this version of your video driver?
285.62
NVIDIA DRIVERS 285.62 WHQL

What program are you using for rendering?

In your bios, do you have hyper-threading enabled?

Do you have bios version 2103?

It's an Intel mobo, so go here for auto update:

Intel® Driver Update Utility

And please report back on this - and answer to Layback Bear.

My System SpecsSystem Spec
02 Feb 2012   #7

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer
 
 

Quote   Quote: Originally Posted by pr1970 View Post
If I could find out how to automatically lower its priorty that would solve the problem.
Run your 3D software. Pull up task manager. Highlight process. Right click the 3D software process. Go to "select priority" and choose according to your preference.


Attached Images
 
My System SpecsSystem Spec
02 Feb 2012   #8

Windows 7 Pro. 64/SP-1
 
 

If I understand you correctly. As far as I know you can not set a priority to mouse and keyboard in Windows 7.
My System SpecsSystem Spec
02 Feb 2012   #9

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer
 
 

Layback, I think he wanted to lower the priority of this 3D software.
My System SpecsSystem Spec
02 Feb 2012   #10

Windows 7 Pro. 64/SP-1
 
 

Okay I understand now.
Just a thought. Is it possible that the OP's other computers that work with this program are using Intel processors like a i7-960 or higher. As per Intel.
3D Rendering: Intel® Core? i7-990X Processor Extreme Edition
I'm not sure the i7-2600 can do this well using a program with a lot of floating points. Clock speed is not always the answer.
My System SpecsSystem Spec
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 Mouse stutter/lag when processes using high cpu.




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