test: reenable test_state_root_task test (#13911)

Co-authored-by: Federico Gimenez <federico.gimenez@gmail.com> Co-authored-by: Federico Gimenez <fgimenez@users.noreply.github.com>
paradigmxyz · Jan 24, 2025 · 0cd63cd · 0cd63cd
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commit 0cd63cd
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diff --git a/crates/engine/tree/src/tree/mod.rs b/crates/engine/tree/src/tree/mod.rs
@@ -594,10 +594,7 @@ where
     ) -> Self {
         let (incoming_tx, incoming) = std::sync::mpsc::channel();
 
-        // The thread pool requires at least 2 threads as it contains a long running sparse trie
-        // task.
-        let num_threads =
-            std::thread::available_parallelism().map_or(2, |num| (num.get() / 2).max(2));
+        let num_threads = root::thread_pool_size();
 
         let state_root_task_pool = Arc::new(
             rayon::ThreadPoolBuilder::new()