1 files changed, 66 insertions, 0 deletions
diff --git a/third_party/rust/leb128/benches/bench.rs b/third_party/rust/leb128/benches/bench.rs
new file mode 100644
index 0000000000..d634306dd5
--- /dev/null
+++ b/third_party/rust/leb128/benches/bench.rs
@@ -0,0 +1,66 @@
+#![feature(test)]
+
+extern crate test;
+use leb128;
+
+#[bench]
+fn write_signed(b: &mut test::Bencher) {
+    let mut buf = [0; 4096];
+
+    b.iter(|| {
+        let mut writable = &mut buf[..];
+        for i in -1025..1025 {
+            test::black_box(leb128::write::signed(&mut writable, i).unwrap());
+        }
+    });
+}
+
+#[bench]
+fn write_unsigned(b: &mut test::Bencher) {
+    let mut buf = [0; 4096];
+
+    b.iter(|| {
+        let mut writable = &mut buf[..];
+        for i in 0..2050 {
+            test::black_box(leb128::write::unsigned(&mut writable, i).unwrap());
+        }
+    });
+}
+
+#[bench]
+fn read_signed(b: &mut test::Bencher) {
+    let mut buf = [0; 4096];
+
+    {
+        let mut writable = &mut buf[..];
+        for i in -1025..1025 {
+            leb128::write::signed(&mut writable, i).unwrap();
+        }
+    }
+
+    b.iter(|| {
+        let mut readable = &buf[..];
+        for _ in -1025..1025 {
+            test::black_box(leb128::read::signed(&mut readable).unwrap());
+        }
+    });
+}
+
+#[bench]
+fn read_unsigned(b: &mut test::Bencher) {
+    let mut buf = [0; 4096];
+
+    {
+        let mut writable = &mut buf[..];
+        for i in 0..2050 {
+            leb128::write::unsigned(&mut writable, i).unwrap();
+        }
+    }
+
+    b.iter(|| {
+        let mut readable = &buf[..];
+        for _ in 0..2050 {
+            test::black_box(leb128::read::unsigned(&mut readable).unwrap());
+        }
+    });
+}