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Only start offload worker thread when there's more than 1 core (#2956)

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* Only start offload worker thread when there's more than 1 core

* Write changelog
This commit is contained in:
cyqsimon
2025-07-15 11:21:00 +08:00
committed by GitHub
parent 9121746f05
commit 555933315d
2 changed files with 5 additions and 1 deletions
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1
CHANGELOG.md
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@@ -24,6 +24,7 @@
- CICD: CICD: replace windows-2019 runners with windows-2025 #3339 (@cyqsimon) - CICD: CICD: replace windows-2019 runners with windows-2025 #3339 (@cyqsimon)
- Build script: replace string-based codegen with quote-based codegen #3340 (@cyqsimon) - Build script: replace string-based codegen with quote-based codegen #3340 (@cyqsimon)
- Improve code coverage of `--list-languages` parameter #2942 (@sblondon) - Improve code coverage of `--list-languages` parameter #2942 (@sblondon)
- Only start offload worker thread when there's more than 1 core #2956 (@cyqsimon)
## Syntaxes ## Syntaxes

5
src/bin/bat/app.rs
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@@ -3,6 +3,7 @@ use std::env;
use std::io::IsTerminal; use std::io::IsTerminal;
use std::path::{Path, PathBuf}; use std::path::{Path, PathBuf};
use std::str::FromStr; use std::str::FromStr;
use std::thread::available_parallelism;
use crate::{ use crate::{
clap_app, clap_app,
@@ -149,7 +150,9 @@ impl App {
// start building glob matchers for builtin mappings immediately // start building glob matchers for builtin mappings immediately
// this is an appropriate approach because it's statistically likely that // this is an appropriate approach because it's statistically likely that
// all the custom mappings need to be checked // all the custom mappings need to be checked
syntax_mapping.start_offload_build_all(); if available_parallelism()?.get() > 1 {
syntax_mapping.start_offload_build_all();
}
if let Some(values) = self.matches.get_many::<String>("ignored-suffix") { if let Some(values) = self.matches.get_many::<String>("ignored-suffix") {
for suffix in values { for suffix in values {