num_cpus (1.17.0)

Published 2026-03-26 11:00:32 +00:00 by siennathesane

Set up this registry in the Cargo configuration file (for example ~/.cargo/config.toml):

[registry]
default = "gitea"

[registries.gitea]
index = "sparse+" # Sparse index
# index = "" # Git

[net]
git-fetch-with-cli = true

To install the package using Cargo, run the following command:

cargo add num_cpus@1.17.0

For more information on the Cargo registry, see the documentation.

Get the number of CPUs on a machine.

num_cpus

Count the number of CPUs on the current machine.

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();

ID	Version
libc	^0.2.26
hermit-abi	^0.5.0

cpu cpus cores

Details

Cargo

2026-03-26 11:00:32 +00:00

0

Sean McArthur <sean@seanmonstar.com>

MIT OR Apache-2.0

15 KiB

Assets (1)

num_cpus-1.17.0.crate 15 KiB

Versions (1) View all

1.17.0

2026-03-26