Function num_cpus::get
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[src]
pub fn get() -> usize
Returns the number of available CPUs of the current system.
This function will get the number of logical cores. Sometimes this is different from the number of physical cores (See Simultaneous multithreading on Wikipedia).
Examples
let cpus = num_cpus::get(); if cpus > 1 { println!("We are on a multicore system with {} CPUs", cpus); } else { println!("We are on a single core system"); }
Note
This will check sched affinity on Linux, showing a lower number of CPUs if the current thread does not have access to all the computer's CPUs.