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Questions tagged [affinity]

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0 votes
0 answers
70 views

Task Affinity on <all processors> after starting with /affinity F on Amazon EC2 instance

I am trying to start an application with a specific affinity because I need it for some experiments. To achieve this, I am trying to set the affinity when starting the application. For this I use the ...
Tilman Zuckmantel's user avatar
1 vote
0 answers
229 views

Limit Windows system to a single core [closed]

(This is a theoretical example:) I have a processor with 2 cores. I need to run a very CPU intensive, but strictly single-cored application as fast as possible. Is it possible to configure the ...
JebloJenkins's user avatar
0 votes
1 answer
297 views

Setting affinity for ffmpeg on command line not working as expected

I've read lots of articles on starting an application with a specific affinity This works as expected and I see the the affinity is showing as expected: start /affinity 3 notepad However, when I try ...
Phil.G's user avatar
  • 1
0 votes
0 answers
513 views

Windows Not Utilizing All Logical Processors

(I originally posted this on Stack Overflow but was directed here. I apologize if this isn't the appropriate forum.) We have a controller application which starts simulation applications ...
BillO's user avatar
  • 1
0 votes
0 answers
68 views

Set affinity for started process with windows bash (and use same terminal window)

I open MSYS2 bash to start another app (ruby for example). Then I can use Process Explorer or Task Manager to set the affinity for ruby process. Is it possible to set it directly from bash when ...
user124's user avatar
  • 191
0 votes
0 answers
872 views

Is there a way to disable a specific CPU core in Windows 10?

After some experimentation with stress testing tools, I have determined that one specific core on my system has issues with AVX/AVX2 instructions, and I wish to completely disable that core. There is ...
Chuu's user avatar
  • 763
1 vote
0 answers
212 views

Change affinity of process with batch script

Change affinity of process with batch script: "C:\Program Files\Microsoft Office\Office16\MSACCESS.EXE /C Start /affinity 1" "E:\Lapu\CM.accdb" /x "001" Unable to get ...
Shaf3067's user avatar
1 vote
1 answer
432 views

How can I clear core0 of any interrupts?

So by default windows is using core 0 for most driver work, for some reason it prefers that core over the others. With interrupt affinty policy tool, I can move some of the devices using core0 for ...
yohello's user avatar
  • 11
1 vote
4 answers
2k views

Change affinity while process active

I'm running a CPU consuming process (calculate mandelbrot set) and that process takes almost 100% of the CPU (I have 8 cores on my machine). when I change the affinity to half of the cores the CPU ...
yossico's user avatar
  • 193
0 votes
1 answer
462 views

How to remove and prevent all processes except one that I choose from certain core in practice (win10)?

Problem: I have a single core process that has oscillating load (sc2 path optimizer). How can I make a script that moves this process to a certain core and prevents other processes to enter that core?...
Juha's user avatar
  • 611
-1 votes
1 answer
500 views

CPU under load despite removing all process affinities [duplicate]

I've installed Process Lasso and in All processes tab, set all affinities to 1-7, meaning that all the processes can be start on all my CPUs except the first one. Yet, there is a huge load on my first ...
arash's user avatar
  • 155
0 votes
1 answer
3k views

launching a program with cpu affinity AND priority presets

I'm trying to create a shortcut for Traktor pro 2 which assigns the programs priority level and core assignments. In this case i'm trying to launch Traktor with realtime priority, set to function on ...
mark funkhouser's user avatar
2 votes
0 answers
2k views

What process controls the CPU affinity of new python processes

I wrote code to set the affinity of every process under my username to core 0 only. I ran this code, and then it exited once it was finished. Then, even when I launched a brand new terminal, and ...
shimao's user avatar
  • 151
0 votes
0 answers
2k views

set affinity for program with bat, not working

I want to create a .bat file for a program as opposed to having to instruct a someone how to set affinity himself. This is a program that can crash when it uses too many cores due to an elusive bug (...
Aseliot's user avatar
  • 11
0 votes
1 answer
92 views

If Affinity on Windows is set on 1 thread only, does it eliminate problems with thread-unsafe software?

Say I have a third party software executable I can't really edit or alter in anyway or debug properly. I suspect it has issues with multithreading in a way that it segfaults the application due to ...
j riv's user avatar
  • 2,596

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