Start tuning the performance of rope.

1 files changed, 19 insertions, 0 deletions

diff --git a/benches/concat.rs b/benches/concat.rs
new file mode 100644
index 0000000..a07f908
--- /dev/null
+++ b/benches/concat.rs
@@ -0,0 +1,19 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+
+use edit::rope::Rope;
+
+fn concat(buf: &[u8]) -> Rope {
+    let mut r = Rope::new(&[]);
+    for &b in buf.iter() {
+        r = r.concat(&Rope::new(&[b]));
+    }
+    r
+}
+
+fn criterion_benchmark(c: &mut Criterion) {
+    let bytes = vec![0; 10000];
+    c.bench_function("concat asdfasdf", |b| b.iter(|| concat(black_box(&bytes))));
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);