crates.io · crates:num_cpus
num_cpus active
Get the number of CPUs on a machine.
| Latest stable version | 1.17.0 |
|---|---|
| Published | 2025-05-30 18:59:42 UTC |
| Install | cargo add num_cpus |
| Minimum Rust version (rust-version) | none declared |
| License | MIT OR Apache-2.0 |
| Advisories on latest version | none known |
| Last verified | 2026-10-08 21:52:18 UTC |
| Sources | api.osv.dev, crates.io |
Maintenance
| Activity | slowing down |
|---|---|
| Last stable release | 2025-05-30 18:59:42 UTC · 496 days ago |
| Stable releases in the last 12 months | 0 |
| Published versions | 40 |
Heuristic based only on release dates; it does not measure issue or security response times.
Version history
| Version | Published |
|---|---|
1.17.0 | 2025-05-30 18:59:42 UTC |
1.16.0 | 2023-06-29 12:57:59 UTC |
1.15.0 | 2022-12-20 16:12:04 UTC |
1.14.0 | 2022-11-03 18:20:47 UTC |
1.13.1 | 2021-12-20 19:37:04 UTC |
1.13.0 | 2020-04-15 16:15:29 UTC |
1.12.0 | 2020-01-16 20:55:32 UTC |
1.11.1 | 2019-11-12 18:20:51 UTC |
1.11.0 | 2019-10-30 21:40:16 UTC |
1.10.1 | 2019-06-10 16:03:10 UTC |
1.10.0 | 2019-02-11 18:16:08 UTC |
1.9.0 | 2018-12-11 19:07:57 UTC |
1.8.0 | 2017-12-29 01:04:46 UTC |
1.7.0 | 2017-09-28 17:54:07 UTC |
1.6.2 | 2017-06-23 01:37:54 UTC |
1.6.1 withdrawn | 2017-06-22 20:09:04 UTC |
1.6.0 | 2017-06-21 06:37:25 UTC |
1.5.1 | 2017-06-02 20:52:42 UTC |
1.5.0 | 2017-05-26 21:59:10 UTC |
1.4.0 | 2017-04-26 02:59:05 UTC |
Showing the 20 most recent of 40 versions. JSON
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Frequently asked questions
What is the latest version of num_cpus?
The latest stable version of num_cpus is 1.17.0, published on 2025-05-30. Verified by Vigia on 2026-10-08.
How do I install the latest version of num_cpus?
Run cargo add num_cpus. The latest stable version is 1.17.0 (verified 2026-10-08).
Is num_cpus deprecated?
No. num_cpus is not marked as deprecated in the registry.
Which Rust version does num_cpus require?
num_cpus 1.17.0 does not declare a Rust version requirement.
Does num_cpus 1.17.0 have known vulnerabilities?
No known advisories affect num_cpus 1.17.0 according to the data Vigia checks.
Is num_cpus still maintained?
num_cpus published 0 stable releases in the last 12 months; the most recent was 496 days ago. Activity: slowing down.
Observed changes
No changes observed yet since Vigia started tracking this package.
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