Starting Application With Affinity

Greetings

Windows 10 1909

I would like to start an application setting its affinity and priority.

I currently have several applications setup to run from a batch file with high priority. The batch file to run with high priority is as follows:

start "" "F:\My Music\Program Files\Programs\folder\foo.exe"

TIMEOUT 5

wmic process where name="foo.exe" CALL setpriority 128

exit

That works for most applications. Where it doesn't, I run the program with the /high argument and delete the wmic line in the batch file. NOTE: obviously, I have changed the application name and its immediate containing folder :)

Anyway, I have looked on several sights to learn how to set the affinity of the application on startup, from a batch file. Nothing seems to work. I am sure I am doing something wrong. I created a batch file to run the program using the first 2 cores. Based on what I read regarding affinity, I setup the batch file this way:start "" /affinity 0x2 "F:\My Music\Program Files\Programs\program\foo.exe"TIMEOUT 5

wmic process where name="foo.exe" CALL setpriority 128

exit

When I run this, the program opens. I check task manager: right click the process, go to details, right click then click on priority and it is set to high as expected. Then I click on set affinity. All cores are checked (not what I want). What I typed in the batch file did not deactivate any cores.

Could anyone show me how to setup a batch file that would set the affinity and the priority? If you can, please do it with a program like notepad.exe and any filename, so that I could see it work.

Thanks for reading this. Thanks for your help.

Graham

https://blogs.msdn.microsoft.com/san...-affinity-set/

Thanks Free Booter. I did some further research. The affinity mask in the web page you referenced worked for notepad and outlook. However, it didn't work for the program I am trying to open with a mask (FL Studio). I have posted on the Image-Line forum since it seems to be application specific and not an issue with the script.

Thanks again.

You are very welcome!

Hey Brink,

Thanks for the reply. I followed the tutorial. Fl Studio opened once again with all cores checked when I looked at affinity in Task Manager. I would give process lassoo a try but I don't want anything running on the system that isn't necessary.

Are there processes that don't respond to a script starting it on fewer than all cores? Oddly enough, FL opens in high priority. I should point out that I have posted on the image-line forum, but have not gotten any response. That is not criticism. It is just that quite often starting a thread on two different forums is frowned upon.

Brink said:

Hello @gfd,
If you haven't already, you might see if using the method in the tutorial below may help to run the program with the affinity you want.
CPU Affinity Shortcut for a Program - Create in Windows | Windows 8 Help Forums

hey Brink sorry to revive an old thread. the guide is very good but what if there are two processors in a machine, how would we be able to have that added to short cut?

heres a screenshot, group 0 and 1 for 1st and 2nd CPU, how could this work with shortcut?