diff --git a/rust/benches/tree_cache.rs b/rust/benches/tree_cache.rs
new file mode 100644
index 0000000000..191550ad9b
--- /dev/null
+++ b/rust/benches/tree_cache.rs
@@ -0,0 +1,60 @@
+// Copyright 2022 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#![feature(test)]
+
+use synapse::tree_cache::TreeCache;
+use test::Bencher;
+
+extern crate test;
+
+#[bench]
+fn bench_tree_cache_get_non_empty(b: &mut Bencher) {
+ let mut cache: TreeCache<&str, &str> = TreeCache::new();
+
+ cache.set(["a", "b", "c", "d"], "f").unwrap();
+
+ b.iter(|| cache.get(&["a", "b", "c", "d"]));
+}
+
+#[bench]
+fn bench_tree_cache_get_empty(b: &mut Bencher) {
+ let cache: TreeCache<&str, &str> = TreeCache::new();
+
+ b.iter(|| cache.get(&["a", "b", "c", "d"]));
+}
+
+#[bench]
+fn bench_tree_cache_set(b: &mut Bencher) {
+ let mut cache: TreeCache<&str, &str> = TreeCache::new();
+
+ b.iter(|| cache.set(["a", "b", "c", "d"], "f").unwrap());
+}
+
+#[bench]
+fn bench_tree_cache_length(b: &mut Bencher) {
+ let mut cache: TreeCache<u32, u32> = TreeCache::new();
+
+ for c1 in 0..=10 {
+ for c2 in 0..=10 {
+ for c3 in 0..=10 {
+ for c4 in 0..=10 {
+ cache.set([c1, c2, c3, c4], 1).unwrap()
+ }
+ }
+ }
+ }
+
+ b.iter(|| cache.len());
+}
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