decode: Set thread count when jobs == 0

Use available_parallelism() as the thread count when jobs == 0. PiperOrigin-RevId: 725661293
webmproject · Feb 11, 2025 · f102cd0 · f102cd0
1 parent bc23322
commit f102cd0
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/examples/crabby_decode.rs b/examples/crabby_decode.rs
@@ -250,8 +250,10 @@ fn max_threads(jobs: &Option<u32>) -> u32 {
     match jobs {
         Some(x) => {
             if *x == 0 {
-                // TODO: b/394162563 - Query the number of available CPU cores for this case.
-                1
+                match std::thread::available_parallelism() {
+                    Ok(value) => value.get() as u32,
+                    Err(_) => 1,
+                }
             } else {
                 *x
             }