From df26ba2a21c8b33409da8c33866066c15d933aae Mon Sep 17 00:00:00 2001
From: BD103 <59022059+BD103@users.noreply.github.com>
Date: Mon, 9 Dec 2024 14:59:50 -0500
Subject: [PATCH] feat: re-implement `parallel` argument

---
 benches/benches/bevy_ecs/empty_archetypes.rs | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/benches/benches/bevy_ecs/empty_archetypes.rs b/benches/benches/bevy_ecs/empty_archetypes.rs
index 84dad61a65c50..139f52ce843d2 100644
--- a/benches/benches/bevy_ecs/empty_archetypes.rs
+++ b/benches/benches/bevy_ecs/empty_archetypes.rs
@@ -1,4 +1,4 @@
-use bevy_ecs::{component::Component, prelude::*, world::World};
+use bevy_ecs::{component::Component, prelude::*, schedule::ExecutorKind, world::World};
 use criterion::{black_box, criterion_group, BenchmarkId, Criterion};
 
 criterion_group!(benches, empty_archetypes);
@@ -72,14 +72,17 @@ fn par_for_each(
     });
 }
 
-#[expect(
-    unused_variables,
-    reason = "`parallel` has no effect, it needs to be removed or parallel support needs to be re-added."
-)]
 fn setup(parallel: bool, setup: impl FnOnce(&mut Schedule)) -> (World, Schedule) {
     let world = World::new();
     let mut schedule = Schedule::default();
+
+    schedule.set_executor_kind(match parallel {
+        true => ExecutorKind::MultiThreaded,
+        false => ExecutorKind::SingleThreaded,
+    });
+
     setup(&mut schedule);
+
     (world, schedule)
 }