internal: switch to Ordering::Relaxed/Ordering::Released

Author: davidbarsky

src/revision.rs

@@ -54,10 +54,10 @@ impl AtomicRevision {
     }
 
     pub(crate) fn load(&self) -> Revision {
-        Revision::from(self.data.load(Ordering::SeqCst))
+        Revision::from(self.data.load(Ordering::Acquire))
     }
 
     pub(crate) fn store(&self, r: Revision) {
-        self.data.store(r.as_usize(), Ordering::SeqCst);
+        self.data.store(r.as_usize(), Ordering::Release);
     }
 }

src/runtime.rs

@@ -136,7 +136,7 @@ impl Runtime {
         }
 
         let id = RuntimeId {
-            counter: self.shared_state.next_id.fetch_add(1, Ordering::SeqCst),
+            counter: self.shared_state.next_id.fetch_add(1, Ordering::Relaxed),
         };
 
         Runtime {