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Optimize Build::compile_objects on feature parallel #833

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Jul 21, 2023
Merged

Optimize Build::compile_objects on feature parallel #833

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9 changes: 9 additions & 0 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1260,6 +1260,15 @@ impl Build {
fn compile_objects(&self, objs: &[Object], print: &PrintThread) -> Result<(), Error> {
use std::sync::{mpsc::channel, Once};

if objs.len() <= 1 {
for obj in objs {
let (mut cmd, name) = self.create_compile_object_cmd(obj)?;
run(&mut cmd, &name, print)?;
}

return Ok(());
}

// Limit our parallelism globally with a jobserver. Start off by
// releasing our own token for this process so we can have a bit of an
// easier to write loop below. If this fails, though, then we're likely
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