num_cpus 1.11.1

Get the number of CPUs on a machine.

num_cpus

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Count the number of CPUs on the current machine.

Usage

Add to Cargo.toml:

[dependencies]
num_cpus = "1.0"

In your main.rs or lib.rs:

extern crate num_cpus;

// count logical cores this process could try to use
let num = num_cpus::get();