2
votes
1answer
25 views

How do I use linux processor affinity to dedicate 2 cores to user1 and 2 cores to user2?

at first I wanted to dedicate 2 cores(4 threads) to one java PID, and 2 cores(4 threads) to the other. However the volatility of these programs makes me think that they will end up crashing and ...
0
votes
1answer
73 views

Automatically distributing applications' CPU usage between cores (Windows 8)

I have an Athlon 8 core CPU (4 h/w, 8 logical) and I find that it rarely goes above 12.5% usage. I read this article which explains why, and that there are two solutions: Set processor affinity for ...
1
vote
0answers
85 views

Can QEMU be used on Mac OS X to emulate a one-core CPU (preferably only the CPU)?

Can QEMU do this kind of emulation? On Macs there's no an easy way to set CPU affinity, so this could an interesting workaround for the older programs that don't work well in multi-core environments.
2
votes
2answers
554 views

Set default processor affinity for all applications

I'm trying to improve CPU performance in a game, to do this I want to try giving it 2-4 CPU cores that run ONLY that application, and no windows related services. Is there I was where I can set the ...
1
vote
0answers
137 views

On windows 7 - Set core Affinity on boot, Or bulk affinity/tasking tool? (Like a KsysGuard for windows)

Not even sure if its possible but: you know how you can set custom scheduling in Linux. → and sure, I can set affinity for Windows 7 Programs one @ a time. But do you know of a tool that would allow ...
5
votes
2answers
515 views

Which logical CPU (core) belongs to which socket?

I need to test performance of a multithreaded program on 1 CPU, but I have a dual CPU machine. I need to set affinity to those logical CPU's, that share their socket, oterwise they strongly benefit ...
2
votes
1answer
2k views

Running a virtual machine on a dedicated processor or core

Our base system runs on Linux but unfortunately the UI has to be on Windows. Its a long story. But thats the requirement. So our idea was to run Windows in a virtual machine using VirtualBox or Xen. ...
0
votes
1answer
74 views

Is it possible to set a more generic process affinity (automatically)?

I know with start /affinity X where X is a hex-number bit-masking the CPUs to be used a process can be started to use certain CPUs only. However, is there a possibility to state something like "start ...
8
votes
4answers
9k views

How to set processor affinity on OS X?

How do you set processor affinity in Snow Leopard on a MacBook Pro?I know in Windows you could just switch it in Task Manager.
5
votes
3answers
2k views

How to set CPU affinity in Wine or CrossOver?

There are some old games who don't like the multicore processors in today's computers. I am wondering if there is a way to set the CPU affinity for them to '1' under Wine or CrossOver? i.e. In a ...