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16
votes
3answers
6k views

How does Windows processor affinity work with hyperthreaded CPUs?

How does Windows processor affinity work with hyperthreaded CPUs? Let's use an example (pictured) of a system with four cores, each with a hyper-threaded virtual core. Which cores correspond to each ...
11
votes
4answers
12k 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.
3
votes
3answers
6k views

How can I set the default affinity for any process in Windows?

I want to run some benchmarks on Windows 7. These benchmarks have to do with hyper-threading on a multi-core CPU. For this, I want to ensure that only the benchmarks are running on their own logical ...
3
votes
2answers
1k 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 ...