Add bustle benchmark

Cargo.toml

@@ -35,6 +35,10 @@ default-features = false
 rand = "0.7"
 rayon = "1.3"
 criterion = "0.3"
+bustle = "0.1"
+
+[profile.bench]
+debug = true
 
 [[bench]]
 name = "flurry_dashmap" 
@@ -43,3 +47,7 @@ harness = false
 [[bench]]
 name = "flurry_hashbrown" 
 harness = false
+
+[[bench]]
+name = "bustle"
+harness = false

benches/bustle.rs

@@ -0,0 +1,40 @@
+use bustle::*;
+use flurry::*;
+use std::sync::Arc;
+
+#[derive(Clone)]
+struct Table<K: 'static + Send + Sync>(Arc<HashMap<K, ()>>);
+
+impl<K> BenchmarkTarget for Table<K>
+where
+    K: Sync + Send + From<u64> + Copy + 'static + std::hash::Hash + Eq + std::fmt::Debug,
+{
+    type Key = K;
+
+    fn with_capacity(capacity: usize) -> Self {
+        Self(Arc::new(HashMap::with_capacity(capacity)))
+    }
+
+    fn get(&mut self, key: &Self::Key) -> bool {
+        self.0.pin().get(key).is_some()
+    }
+
+    fn insert(&mut self, key: &Self::Key) -> bool {
+        self.0.pin().insert(*key, ()).is_some()
+    }
+
+    fn remove(&mut self, key: &Self::Key) -> bool {
+        self.0.pin().remove(key).is_some()
+    }
+
+    fn update(&mut self, key: &Self::Key) -> bool {
+        self.0
+            .pin()
+            .compute_if_present(key, |_, _| Some(()))
+            .is_some()
+    }
+}
+
+fn main() {
+    Workload::new(1, Mix::read_heavy()).run::<Table<u64>>();
+}