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Take `.max(1)` when computing MAX_RAYON_THREADS (#25940)

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Brooks Prumo 2022-06-13 14:16:58 -05:00 committed by GitHub
parent d56a706b20
commit c419845cfe
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1 changed files with 4 additions and 3 deletions
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7
rayon-threadlimit/src/lib.rs
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@ -8,9 +8,10 @@ lazy_static! {
// reduce the number of threads each pool is allowed to half the cpu core count, to avoid rayon
// hogging cpu
static ref MAX_RAYON_THREADS: usize =
env::var("SOLANA_RAYON_THREADS")
.map(|x| x.parse().unwrap_or(num_cpus::get() as usize / 2))
.unwrap_or(num_cpus::get() as usize / 2);
env::var("SOLANA_RAYON_THREADS").ok()
.and_then(|num_threads| num_threads.parse().ok())
.unwrap_or_else(|| num_cpus::get() as usize / 2)
.max(1);
}
pub fn get_thread_count() -> usize {