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Add a jobs parameter to set the number of threads the indexer uses

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Kerollmops 2020-06-28 12:13:10 +02:00
parent 2a3b03138b
commit adb1038b26
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1 changed files with 8 additions and 0 deletions
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8
src/bin/indexer.rs
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@ -46,6 +46,10 @@ struct Opt {
#[structopt(long, default_value = "100000")]
arc_cache_size: usize,
/// Number of parallel jobs, defaults to # of CPUs.
#[structopt(short, long)]
jobs: Option<usize>,
/// CSV file to index.
csv_file: PathBuf,
}
@ -468,6 +472,10 @@ fn open_env_index(path: impl AsRef<Path>) -> anyhow::Result<(Env, Index)> {
fn main() -> anyhow::Result<()> {
let opt = Opt::from_args();
if let Some(jobs) = opt.jobs {
rayon::ThreadPoolBuilder::new().num_threads(jobs).build_global()?;
}
std::fs::create_dir_all(&opt.database)?;
let (env, index) = open_env_index(&opt.database)?;