diff --git a/pyo3-benches/benches/bench_bigint.rs b/pyo3-benches/benches/bench_bigint.rs
index 4a50b437d95..99635a70279 100644
--- a/pyo3-benches/benches/bench_bigint.rs
+++ b/pyo3-benches/benches/bench_bigint.rs
@@ -1,17 +1,18 @@
-use codspeed_criterion_compat::{black_box, criterion_group, criterion_main, Bencher, Criterion};
+use std::hint::black_box;
+
+use codspeed_criterion_compat::{criterion_group, criterion_main, Bencher, Criterion};
+use num_bigint::BigInt;
 
 use pyo3::prelude::*;
 use pyo3::types::PyDict;
 
-use num_bigint::BigInt;
-
 fn extract_bigint_extract_fail(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         let d = PyDict::new_bound(py).into_any();
 
         bench.iter(|| match black_box(&d).extract::<BigInt>() {
             Ok(v) => panic!("should err {}", v),
-            Err(e) => black_box(e),
+            Err(e) => e,
         });
     });
 }
@@ -20,10 +21,7 @@ fn extract_bigint_small(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         let int = py.eval_bound("-42", None, None).unwrap();
 
-        bench.iter(|| {
-            let v = black_box(&int).extract::<BigInt>().unwrap();
-            black_box(v);
-        });
+        bench.iter_with_large_drop(|| black_box(&int).extract::<BigInt>().unwrap());
     });
 }
 
@@ -31,10 +29,7 @@ fn extract_bigint_big_negative(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         let int = py.eval_bound("-10**300", None, None).unwrap();
 
-        bench.iter(|| {
-            let v = black_box(&int).extract::<BigInt>().unwrap();
-            black_box(v);
-        });
+        bench.iter_with_large_drop(|| black_box(&int).extract::<BigInt>().unwrap());
     });
 }
 
@@ -42,10 +37,7 @@ fn extract_bigint_big_positive(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         let int = py.eval_bound("10**300", None, None).unwrap();
 
-        bench.iter(|| {
-            let v = black_box(&int).extract::<BigInt>().unwrap();
-            black_box(v);
-        });
+        bench.iter_with_large_drop(|| black_box(&int).extract::<BigInt>().unwrap());
     });
 }
 
@@ -53,10 +45,7 @@ fn extract_bigint_huge_negative(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         let int = py.eval_bound("-10**3000", None, None).unwrap();
 
-        bench.iter(|| {
-            let v = black_box(&int).extract::<BigInt>().unwrap();
-            black_box(v);
-        });
+        bench.iter_with_large_drop(|| black_box(&int).extract::<BigInt>().unwrap());
     });
 }
 
@@ -64,10 +53,7 @@ fn extract_bigint_huge_positive(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         let int = py.eval_bound("10**3000", None, None).unwrap();
 
-        bench.iter(|| {
-            let v = black_box(&int).extract::<BigInt>().unwrap();
-            black_box(v);
-        });
+        bench.iter_with_large_drop(|| black_box(&int).extract::<BigInt>().unwrap());
     });
 }
 
diff --git a/pyo3-benches/benches/bench_decimal.rs b/pyo3-benches/benches/bench_decimal.rs
index 6db6704bf8e..53b79abbd38 100644
--- a/pyo3-benches/benches/bench_decimal.rs
+++ b/pyo3-benches/benches/bench_decimal.rs
@@ -1,8 +1,10 @@
-use codspeed_criterion_compat::{black_box, criterion_group, criterion_main, Bencher, Criterion};
+use std::hint::black_box;
+
+use codspeed_criterion_compat::{criterion_group, criterion_main, Bencher, Criterion};
+use rust_decimal::Decimal;
 
 use pyo3::prelude::*;
 use pyo3::types::PyDict;
-use rust_decimal::Decimal;
 
 fn decimal_via_extract(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
@@ -18,9 +20,7 @@ py_dec = decimal.Decimal("0.0")
         .unwrap();
         let py_dec = locals.get_item("py_dec").unwrap().unwrap();
 
-        b.iter(|| {
-            let _: Decimal = black_box(&py_dec).extract().unwrap();
-        });
+        b.iter(|| black_box(&py_dec).extract::<Decimal>().unwrap());
     })
 }
 
diff --git a/pyo3-benches/benches/bench_dict.rs b/pyo3-benches/benches/bench_dict.rs
index e6a1e2e6b0b..8c3dfe023c8 100644
--- a/pyo3-benches/benches/bench_dict.rs
+++ b/pyo3-benches/benches/bench_dict.rs
@@ -1,9 +1,10 @@
+use std::collections::{BTreeMap, HashMap};
+use std::hint::black_box;
+
 use codspeed_criterion_compat::{criterion_group, criterion_main, Bencher, Criterion};
 
 use pyo3::types::IntoPyDict;
 use pyo3::{prelude::*, types::PyMapping};
-use std::collections::{BTreeMap, HashMap};
-use std::hint::black_box;
 
 fn iter_dict(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
@@ -69,7 +70,6 @@ fn extract_hashbrown_map(b: &mut Bencher<'_>) {
     });
 }
 
-#[cfg(not(codspeed))]
 fn mapping_from_dict(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         const LEN: usize = 100_000;
@@ -84,12 +84,10 @@ fn criterion_benchmark(c: &mut Criterion) {
     c.bench_function("dict_get_item", dict_get_item);
     c.bench_function("extract_hashmap", extract_hashmap);
     c.bench_function("extract_btreemap", extract_btreemap);
+    c.bench_function("mapping_from_dict", mapping_from_dict);
 
     #[cfg(feature = "hashbrown")]
     c.bench_function("extract_hashbrown_map", extract_hashbrown_map);
-
-    #[cfg(not(codspeed))]
-    c.bench_function("mapping_from_dict", mapping_from_dict);
 }
 
 criterion_group!(benches, criterion_benchmark);
diff --git a/pyo3-benches/benches/bench_extract.rs b/pyo3-benches/benches/bench_extract.rs
index 434d8eb5b33..9bb7ef60ab4 100644
--- a/pyo3-benches/benches/bench_extract.rs
+++ b/pyo3-benches/benches/bench_extract.rs
@@ -1,4 +1,6 @@
-use codspeed_criterion_compat::{black_box, criterion_group, criterion_main, Bencher, Criterion};
+use std::hint::black_box;
+
+use codspeed_criterion_compat::{criterion_group, criterion_main, Bencher, Criterion};
 
 use pyo3::{
     prelude::*,
@@ -7,9 +9,9 @@ use pyo3::{
 
 fn extract_str_extract_success(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
-        let s = &PyString::new_bound(py, "Hello, World!");
+        let s = PyString::new_bound(py, "Hello, World!").into_any();
 
-        bench.iter(|| black_box(s).extract::<&str>().unwrap());
+        bench.iter(|| black_box(&s).extract::<&str>().unwrap());
     });
 }
 
@@ -19,7 +21,7 @@ fn extract_str_extract_fail(bench: &mut Bencher<'_>) {
 
         bench.iter(|| match black_box(&d).extract::<&str>() {
             Ok(v) => panic!("should err {}", v),
-            Err(e) => black_box(e),
+            Err(e) => e,
         });
     });
 }
@@ -27,10 +29,10 @@ fn extract_str_extract_fail(bench: &mut Bencher<'_>) {
 #[cfg(any(Py_3_10, not(Py_LIMITED_API)))]
 fn extract_str_downcast_success(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
-        let s = &PyString::new_bound(py, "Hello, World!");
+        let s = PyString::new_bound(py, "Hello, World!").into_any();
 
         bench.iter(|| {
-            let py_str = black_box(s).downcast::<PyString>().unwrap();
+            let py_str = black_box(&s).downcast::<PyString>().unwrap();
             py_str.to_str().unwrap()
         });
     });
@@ -42,20 +44,16 @@ fn extract_str_downcast_fail(bench: &mut Bencher<'_>) {
 
         bench.iter(|| match black_box(&d).downcast::<PyString>() {
             Ok(v) => panic!("should err {}", v),
-            Err(e) => black_box(e),
+            Err(e) => e,
         });
     });
 }
 
 fn extract_int_extract_success(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
-        let int_obj: PyObject = 123.into_py(py);
-        let int = int_obj.as_ref(py);
+        let int = 123.to_object(py).into_bound(py);
 
-        bench.iter(|| {
-            let v = black_box(int).extract::<i64>().unwrap();
-            black_box(v);
-        });
+        bench.iter(|| black_box(&int).extract::<i64>().unwrap());
     });
 }
 
@@ -65,26 +63,22 @@ fn extract_int_extract_fail(bench: &mut Bencher<'_>) {
 
         bench.iter(|| match black_box(&d).extract::<i64>() {
             Ok(v) => panic!("should err {}", v),
-            Err(e) => black_box(e),
+            Err(e) => e,
         });
     });
 }
 
-#[cfg(not(codspeed))]
 fn extract_int_downcast_success(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
-        let int_obj: PyObject = 123.into_py(py);
-        let int = int_obj.as_ref(py);
+        let int = 123.to_object(py).into_bound(py);
 
         bench.iter(|| {
-            let py_int = black_box(int).downcast::<PyInt>().unwrap();
-            let v = py_int.extract::<i64>().unwrap();
-            black_box(v);
+            let py_int = black_box(&int).downcast::<PyInt>().unwrap();
+            py_int.extract::<i64>().unwrap()
         });
     });
 }
 
-#[cfg(not(codspeed))]
 fn extract_int_downcast_fail(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         let d = PyDict::new_bound(py).into_any();
@@ -96,16 +90,11 @@ fn extract_int_downcast_fail(bench: &mut Bencher<'_>) {
     });
 }
 
-#[cfg(not(codspeed))]
 fn extract_float_extract_success(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
-        let float_obj: PyObject = 23.42.into_py(py);
-        let float = float_obj.as_ref(py);
+        let float = 23.42.to_object(py).into_bound(py);
 
-        bench.iter(|| {
-            let v = black_box(float).extract::<f64>().unwrap();
-            black_box(v);
-        });
+        bench.iter(|| black_box(&float).extract::<f64>().unwrap());
     });
 }
 
@@ -115,21 +104,18 @@ fn extract_float_extract_fail(bench: &mut Bencher<'_>) {
 
         bench.iter(|| match black_box(&d).extract::<f64>() {
             Ok(v) => panic!("should err {}", v),
-            Err(e) => black_box(e),
+            Err(e) => e,
         });
     });
 }
 
-#[cfg(not(codspeed))]
 fn extract_float_downcast_success(bench: &mut Bencher<'_>) {
     Python::with_gil(|py| {
-        let float_obj: PyObject = 23.42.into_py(py);
-        let float = float_obj.as_ref(py);
+        let float = 23.42.to_object(py).into_bound(py);
 
         bench.iter(|| {
-            let py_int = black_box(float).downcast::<PyFloat>().unwrap();
-            let v = py_int.extract::<f64>().unwrap();
-            black_box(v);
+            let py_float = black_box(&float).downcast::<PyFloat>().unwrap();
+            py_float.value()
         });
     });
 }
@@ -140,7 +126,7 @@ fn extract_float_downcast_fail(bench: &mut Bencher<'_>) {
 
         bench.iter(|| match black_box(&d).downcast::<PyFloat>() {
             Ok(v) => panic!("should err {}", v),
-            Err(e) => black_box(e),
+            Err(e) => e,
         });
     });
 }
@@ -151,20 +137,15 @@ fn criterion_benchmark(c: &mut Criterion) {
     #[cfg(any(Py_3_10, not(Py_LIMITED_API)))]
     c.bench_function("extract_str_downcast_success", extract_str_downcast_success);
     c.bench_function("extract_str_downcast_fail", extract_str_downcast_fail);
-    #[cfg(not(codspeed))]
     c.bench_function("extract_int_extract_success", extract_int_extract_success);
     c.bench_function("extract_int_extract_fail", extract_int_extract_fail);
-    #[cfg(not(codspeed))]
     c.bench_function("extract_int_downcast_success", extract_int_downcast_success);
-    #[cfg(not(codspeed))]
     c.bench_function("extract_int_downcast_fail", extract_int_downcast_fail);
-    #[cfg(not(codspeed))]
     c.bench_function(
         "extract_float_extract_success",
         extract_float_extract_success,
     );
     c.bench_function("extract_float_extract_fail", extract_float_extract_fail);
-    #[cfg(not(codspeed))]
     c.bench_function(
         "extract_float_downcast_success",
         extract_float_downcast_success,
diff --git a/pyo3-benches/benches/bench_frompyobject.rs b/pyo3-benches/benches/bench_frompyobject.rs
index e78c48fcaa1..f53f116a154 100644
--- a/pyo3-benches/benches/bench_frompyobject.rs
+++ b/pyo3-benches/benches/bench_frompyobject.rs
@@ -1,11 +1,14 @@
-use codspeed_criterion_compat::{black_box, criterion_group, criterion_main, Bencher, Criterion};
+use std::hint::black_box;
+
+use codspeed_criterion_compat::{criterion_group, criterion_main, Bencher, Criterion};
 
 use pyo3::{
     prelude::*,
-    types::{PyFloat, PyList, PyString},
+    types::{PyList, PyString},
 };
 
 #[derive(FromPyObject)]
+#[allow(dead_code)]
 enum ManyTypes {
     Int(i32),
     Bytes(Vec<u8>),
@@ -14,44 +17,41 @@ enum ManyTypes {
 
 fn enum_from_pyobject(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
-        let any: &Bound<'_, PyAny> = &PyString::new_bound(py, "hello world");
+        let any = PyString::new_bound(py, "hello world").into_any();
 
-        b.iter(|| any.extract::<ManyTypes>().unwrap());
+        b.iter(|| black_box(&any).extract::<ManyTypes>().unwrap());
     })
 }
 
-#[cfg(not(codspeed))]
 fn list_via_downcast(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
-        let any: &Bound<'_, PyAny> = &PyList::empty_bound(py);
+        let any = PyList::empty_bound(py).into_any();
 
-        b.iter(|| black_box(any).downcast::<PyList>().unwrap());
+        b.iter(|| black_box(&any).downcast::<PyList>().unwrap());
     })
 }
 
-#[cfg(not(codspeed))]
 fn list_via_extract(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
-        let any: &Bound<'_, PyAny> = &PyList::empty_bound(py);
+        let any = PyList::empty_bound(py).into_any();
 
-        b.iter(|| black_box(any).extract::<Bound<'_, PyList>>().unwrap());
+        b.iter(|| black_box(&any).extract::<Bound<'_, PyList>>().unwrap());
     })
 }
 
-#[cfg(not(codspeed))]
 fn not_a_list_via_downcast(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
-        let any: &Bound<'_, PyAny> = &PyString::new_bound(py, "foobar");
+        let any = PyString::new_bound(py, "foobar").into_any();
 
-        b.iter(|| black_box(any).downcast::<PyList>().unwrap_err());
+        b.iter(|| black_box(&any).downcast::<PyList>().unwrap_err());
     })
 }
 
 fn not_a_list_via_extract(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
-        let any: &Bound<'_, PyAny> = &PyString::new_bound(py, "foobar");
+        let any = PyString::new_bound(py, "foobar").into_any();
 
-        b.iter(|| black_box(any).extract::<Bound<'_, PyList>>().unwrap_err());
+        b.iter(|| black_box(&any).extract::<Bound<'_, PyList>>().unwrap_err());
     })
 }
 
@@ -63,9 +63,9 @@ enum ListOrNotList<'a> {
 
 fn not_a_list_via_extract_enum(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
-        let any: &Bound<'_, PyAny> = &PyString::new_bound(py, "foobar");
+        let any = PyString::new_bound(py, "foobar").into_any();
 
-        b.iter(|| match black_box(any).extract::<ListOrNotList<'_>>() {
+        b.iter(|| match black_box(&any).extract::<ListOrNotList<'_>>() {
             Ok(ListOrNotList::List(_list)) => panic!(),
             Ok(ListOrNotList::NotList(any)) => any,
             Err(_) => panic!(),
@@ -73,26 +73,16 @@ fn not_a_list_via_extract_enum(b: &mut Bencher<'_>) {
     })
 }
 
-#[cfg(not(codspeed))]
-fn f64_from_pyobject(b: &mut Bencher<'_>) {
-    Python::with_gil(|py| {
-        let obj = &PyFloat::new_bound(py, 1.234);
-        b.iter(|| black_box(obj).extract::<f64>().unwrap());
-    })
-}
-
 fn criterion_benchmark(c: &mut Criterion) {
     c.bench_function("enum_from_pyobject", enum_from_pyobject);
-    #[cfg(not(codspeed))]
+
     c.bench_function("list_via_downcast", list_via_downcast);
-    #[cfg(not(codspeed))]
+
     c.bench_function("list_via_extract", list_via_extract);
-    #[cfg(not(codspeed))]
+
     c.bench_function("not_a_list_via_downcast", not_a_list_via_downcast);
     c.bench_function("not_a_list_via_extract", not_a_list_via_extract);
     c.bench_function("not_a_list_via_extract_enum", not_a_list_via_extract_enum);
-    #[cfg(not(codspeed))]
-    c.bench_function("f64_from_pyobject", f64_from_pyobject);
 }
 
 criterion_group!(benches, criterion_benchmark);
diff --git a/pyo3-benches/benches/bench_list.rs b/pyo3-benches/benches/bench_list.rs
index 774dddcea38..dcbdb4779cb 100644
--- a/pyo3-benches/benches/bench_list.rs
+++ b/pyo3-benches/benches/bench_list.rs
@@ -55,7 +55,6 @@ fn list_get_item_unchecked(b: &mut Bencher<'_>) {
     });
 }
 
-#[cfg(not(codspeed))]
 fn sequence_from_list(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         const LEN: usize = 50_000;
@@ -70,7 +69,6 @@ fn criterion_benchmark(c: &mut Criterion) {
     c.bench_function("list_get_item", list_get_item);
     #[cfg(not(Py_LIMITED_API))]
     c.bench_function("list_get_item_unchecked", list_get_item_unchecked);
-    #[cfg(not(codspeed))]
     c.bench_function("sequence_from_list", sequence_from_list);
 }
 
diff --git a/pyo3-benches/benches/bench_set.rs b/pyo3-benches/benches/bench_set.rs
index b04cb491304..18134a15bd5 100644
--- a/pyo3-benches/benches/bench_set.rs
+++ b/pyo3-benches/benches/bench_set.rs
@@ -2,7 +2,10 @@ use codspeed_criterion_compat::{criterion_group, criterion_main, Bencher, Criter
 
 use pyo3::prelude::*;
 use pyo3::types::PySet;
-use std::collections::{BTreeSet, HashSet};
+use std::{
+    collections::{BTreeSet, HashSet},
+    hint::black_box,
+};
 
 fn set_new(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
@@ -31,16 +34,20 @@ fn iter_set(b: &mut Bencher<'_>) {
 fn extract_hashset(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         const LEN: usize = 100_000;
-        let set = PySet::new_bound(py, &(0..LEN).collect::<Vec<_>>()).unwrap();
-        b.iter_with_large_drop(|| HashSet::<u64>::extract(set.as_gil_ref()));
+        let any = PySet::new_bound(py, &(0..LEN).collect::<Vec<_>>())
+            .unwrap()
+            .into_any();
+        b.iter_with_large_drop(|| black_box(&any).extract::<HashSet<u64>>());
     });
 }
 
 fn extract_btreeset(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         const LEN: usize = 100_000;
-        let set = PySet::new_bound(py, &(0..LEN).collect::<Vec<_>>()).unwrap();
-        b.iter_with_large_drop(|| BTreeSet::<u64>::extract(set.as_gil_ref()));
+        let any = PySet::new_bound(py, &(0..LEN).collect::<Vec<_>>())
+            .unwrap()
+            .into_any();
+        b.iter_with_large_drop(|| black_box(&any).extract::<BTreeSet<u64>>());
     });
 }
 
@@ -48,8 +55,10 @@ fn extract_btreeset(b: &mut Bencher<'_>) {
 fn extract_hashbrown_set(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         const LEN: usize = 100_000;
-        let set = PySet::new_bound(py, &(0..LEN).collect::<Vec<_>>()).unwrap();
-        b.iter_with_large_drop(|| hashbrown::HashSet::<u64>::extract(set.as_gil_ref()));
+        let any = PySet::new_bound(py, &(0..LEN).collect::<Vec<_>>())
+            .unwrap()
+            .into_any();
+        b.iter_with_large_drop(|| black_box(&any).extract::<hashbrown::HashSet<u64>>());
     });
 }
 
diff --git a/pyo3-benches/benches/bench_tuple.rs b/pyo3-benches/benches/bench_tuple.rs
index 22bf7588ed1..3c0b56a0234 100644
--- a/pyo3-benches/benches/bench_tuple.rs
+++ b/pyo3-benches/benches/bench_tuple.rs
@@ -1,3 +1,5 @@
+use std::hint::black_box;
+
 use codspeed_criterion_compat::{criterion_group, criterion_main, Bencher, Criterion};
 
 use pyo3::prelude::*;
@@ -89,12 +91,11 @@ fn tuple_get_borrowed_item_unchecked(b: &mut Bencher<'_>) {
     });
 }
 
-#[cfg(not(codspeed))]
 fn sequence_from_tuple(b: &mut Bencher<'_>) {
     Python::with_gil(|py| {
         const LEN: usize = 50_000;
-        let tuple = PyTuple::new_bound(py, 0..LEN).to_object(py);
-        b.iter(|| tuple.downcast::<PySequence>(py).unwrap());
+        let tuple = PyTuple::new_bound(py, 0..LEN).into_any();
+        b.iter(|| black_box(&tuple).downcast::<PySequence>().unwrap());
     });
 }
 
@@ -132,7 +133,6 @@ fn criterion_benchmark(c: &mut Criterion) {
         "tuple_get_borrowed_item_unchecked",
         tuple_get_borrowed_item_unchecked,
     );
-    #[cfg(not(codspeed))]
     c.bench_function("sequence_from_tuple", sequence_from_tuple);
     c.bench_function("tuple_new_list", tuple_new_list);
     c.bench_function("tuple_to_list", tuple_to_list);