CODEWITHSUNDEEP
amazon-ec2cpu-cache
David Kierans
David Kierans

Reputation: 1599

CPU affinity in virtualised environments

Is taskset for CPU affinity applicable when trying to use L2 cache efficiently on a multi core processor in a virtualised environment like Amazon EC2?

Upvotes: 8

Views: 1382

Answers (1)

Frodo Baggins
Frodo Baggins

Reputation: 8543

No, especially towards the smaller instances, there's heavy CPU sharing, you're dependent on what the other instances are doing with the CPU.

Upvotes: 2

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