Merge pull request #891 from davidhewitt/benches

New benchmarks

benches/bench_dict.rs

@@ -19,3 +19,17 @@ fn iter_dict(b: &mut Bencher) {
         }
     });
 }
+
+#[bench]
+fn dict_get_item(b: &mut Bencher) {
+    let gil = Python::acquire_gil();
+    let py = gil.python();
+    const LEN: usize = 50_000;
+    let dict = (0..LEN as u64).map(|i| (i, i * 2)).into_py_dict(py);
+    let mut sum = 0;
+    b.iter(|| {
+        for i in 0..LEN {
+            sum += dict.get_item(i).unwrap().extract::<usize>().unwrap();
+        }
+    });
+}

benches/bench_list.rs

@@ -0,0 +1,35 @@
+#![feature(test)]
+
+extern crate test;
+use pyo3::prelude::*;
+use pyo3::types::PyList;
+use test::Bencher;
+
+#[bench]
+fn iter_list(b: &mut Bencher) {
+    let gil = Python::acquire_gil();
+    let py = gil.python();
+    const LEN: usize = 100_000;
+    let list = PyList::new(py, 0..LEN);
+    let mut sum = 0;
+    b.iter(|| {
+        for x in list.iter() {
+            let i: u64 = x.extract().unwrap();
+            sum += i;
+        }
+    });
+}
+
+#[bench]
+fn list_get_item(b: &mut Bencher) {
+    let gil = Python::acquire_gil();
+    let py = gil.python();
+    const LEN: usize = 50_000;
+    let list = PyList::new(py, 0..LEN);
+    let mut sum = 0;
+    b.iter(|| {
+        for i in 0..LEN {
+            sum += list.get_item(i as isize).extract::<usize>().unwrap();
+        }
+    });
+}

benches/bench_tuple.rs

@@ -0,0 +1,35 @@
+#![feature(test)]
+
+extern crate test;
+use pyo3::prelude::*;
+use pyo3::types::PyTuple;
+use test::Bencher;
+
+#[bench]
+fn iter_tuple(b: &mut Bencher) {
+    let gil = Python::acquire_gil();
+    let py = gil.python();
+    const LEN: usize = 100_000;
+    let tuple = PyTuple::new(py, 0..LEN);
+    let mut sum = 0;
+    b.iter(|| {
+        for x in tuple.iter() {
+            let i: u64 = x.extract().unwrap();
+            sum += i;
+        }
+    });
+}
+
+#[bench]
+fn tuple_get_item(b: &mut Bencher) {
+    let gil = Python::acquire_gil();
+    let py = gil.python();
+    const LEN: usize = 50_000;
+    let tuple = PyTuple::new(py, 0..LEN);
+    let mut sum = 0;
+    b.iter(|| {
+        for i in 0..LEN {
+            sum += tuple.get_item(i).extract::<usize>().unwrap();
+        }
+    });
+}