PyO3
pyo3
BlogDocsChangelog

use `PyErr::write_unraisable` when panicking

#5496
Comparing
davidhewitt:panic-on-non-null
(
f6612c6
) with
main
(
5152711
)
CodSpeed Performance Gauge
+10%
Improvements
1
Untouched
97
Ignored
21

Benchmarks

Improved

err_new_without_gil
pyo3-benches/benches/bench_err.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+10%
1.3 µs1.2 µs

Passed

extract_btreeset
pyo3-benches/benches/bench_set.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+3%
15.4 ms15 ms
vec_bytes_from_py_bytearray_medium
pyo3-benches/benches/bench_frompyobject.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+3%
2 µs2 µs
vec_bytes_from_py_bytes_medium
pyo3-benches/benches/bench_frompyobject.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+3%
2.1 µs2 µs
test_none_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
+2%
12.8 µs12.5 µs
extract_str_extract_fail
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+2%
1.9 µs1.8 µs
tuple_new_list
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+1%
2.1 ms2.1 ms
test_simple_args_kwargs_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
+1%
19.3 µs19.1 µs
test_simple_kwargs_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
+1%
18.8 µs18.6 µs
first_time_init
pyo3-benches/benches/bench_pyclass.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+1%
39.7 µs39.4 µs
extract_bigint_big_negative
pyo3-benches/benches/bench_bigint.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+1%
3.9 µs3.9 µs
test_proto_call
pytests/tests/test_pyclasses.py
CodSpeed Performance Gauge
+1%
13.4 µs13.4 µs
extract_hashbrown_set
pyo3-benches/benches/bench_set.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+1%
15.9 ms15.8 ms
test_class_method
pytests/tests/test_pyclasses.py
CodSpeed Performance Gauge
0%
17.9 µs17.8 µs
not_a_list_via_extract_enum
pyo3-benches/benches/bench_frompyobject.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
17.8 µs17.7 µs
extract_hashbrown_map
pyo3-benches/benches/bench_dict.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
17.2 ms17.1 ms
test_none_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
0%
13.4 µs13.3 µs
test_method_call
pytests/tests/test_pyclasses.py
CodSpeed Performance Gauge
0%
15 µs15 µs
test_static_method
pytests/tests/test_pyclasses.py
CodSpeed Performance Gauge
0%
15.7 µs15.7 µs
test_args_kwargs_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
0%
14.5 µs14.5 µs
test_setter
pytests/tests/test_pyclasses.py
CodSpeed Performance Gauge
0%
17 µs16.9 µs
test_simple_args_kwargs_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
0%
20.7 µs20.7 µs
vec_bytes_from_py_bytes_large
pyo3-benches/benches/bench_frompyobject.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
177.8 µs177.6 µs
drop_many_objects_without_gil
pyo3-benches/benches/bench_py.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
44.9 µs44.9 µs
byte_slice_into_pyobject_large
pyo3-benches/benches/bench_intopyobject.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
176.8 µs176.7 µs
test_simple_kwargs_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
0%
20.5 µs20.5 µs
extract_hashset
pyo3-benches/benches/bench_set.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
20.3 ms20.3 ms
test_class_attribute
pytests/tests/test_pyclasses.py
CodSpeed Performance Gauge
0%
14.1 µs14.1 µs
list_get_item
pyo3-benches/benches/bench_list.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
3.9 ms3.9 ms
list_get_item_unchecked
pyo3-benches/benches/bench_list.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
3.3 ms3.3 ms
iter_set
pyo3-benches/benches/bench_set.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
10.3 ms10.3 ms
tuple_to_list
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
1.6 ms1.6 ms
dict_get_item
pyo3-benches/benches/bench_dict.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
16.3 ms16.3 ms
vec_bytes_from_py_bytearray_large
pyo3-benches/benches/bench_frompyobject.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
178 µs178 µs
set_new
pyo3-benches/benches/bench_set.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
15.2 ms15.2 ms
iter_list
pyo3-benches/benches/bench_list.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
6.3 ms6.3 ms
dict_new
pyo3-benches/benches/bench_dict.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
25.7 ms25.7 ms
list_new
pyo3-benches/benches/bench_list.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
6.7 ms6.7 ms
clean_attach
pyo3-benches/benches/bench_attach.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
3.5 µs3.5 µs
dirty_attach
pyo3-benches/benches/bench_attach.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
5 µs5 µs
extract_bigint_small
pyo3-benches/benches/bench_bigint.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
2.6 µs2.6 µs
byte_slice_into_pyobject_medium
pyo3-benches/benches/bench_intopyobject.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
1.6 µs1.6 µs
vec_into_pyobject
pyo3-benches/benches/bench_intopyobject.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
2.5 µs2.5 µs
test_simple_args_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
0%
17.9 µs17.9 µs
drop_many_objects
pyo3-benches/benches/bench_py.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
3.8 µs3.8 µs
collect_generic_iterator
pyo3-benches/benches/bench_any.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
95.8 ms95.8 ms
tuple_get_borrowed_item
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
3.6 ms3.6 ms
iter_dict
pyo3-benches/benches/bench_dict.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
11 ms11 ms
iter_tuple
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
5.5 ms5.5 ms
tuple_get_borrowed_item_unchecked
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
3.1 ms3.1 ms
tuple_get_item_unchecked
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
3.3 ms3.3 ms
tuple_new
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
6.7 ms6.7 ms
tuple_get_item
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
3.8 ms3.8 ms
test_getter
pytests/tests/test_pyclasses.py
CodSpeed Performance Gauge
0%
17.4 µs17.4 µs
extract_hashmap
pyo3-benches/benches/bench_dict.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
19.8 ms19.8 ms
bytes_new_large
pyo3-benches/benches/bench_intopyobject.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
176.7 µs176.7 µs
tuple_into_pyobject
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
2.9 µs2.9 µs
test_empty_class_init_py
pytests/tests/test_pyclasses.py
CodSpeed Performance Gauge
0%
14 µs14.1 µs
test_method_call_py
pytests/tests/test_pyclasses.py
CodSpeed Performance Gauge
0%
13.9 µs14 µs
test_positional_only_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
0%
13.5 µs13.6 µs
identify_object_type
pyo3-benches/benches/bench_any.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
15.7 µs15.7 µs
extract_bigint_huge_negative
pyo3-benches/benches/bench_bigint.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
13.1 µs13.1 µs
extract_int_extract_fail
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
11.5 µs11.5 µs
test_args_kwargs_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
0%
19 µs19 µs
test_with_typed_args_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
0%
17.3 µs17.4 µs
test_simple_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
0%
17.4 µs17.5 µs
err_new_restore_and_fetch
pyo3-benches/benches/bench_err.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
7.7 µs7.7 µs
test_simple_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
0%
18.2 µs18.3 µs
call_method
pyo3-benches/benches/bench_call.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
1.3 ms1.3 ms
test_many_keyword_arguments_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
0%
18.9 µs19 µs
extract_bigint_extract_fail
pyo3-benches/benches/bench_bigint.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
11.7 µs11.7 µs
decimal_via_extract
pyo3-benches/benches/bench_decimal.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
14.8 µs14.9 µs
enum_from_pyobject
pyo3-benches/benches/bench_frompyobject.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
23.8 µs23.9 µs
test_simple_args_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
18.9 µs19.1 µs
test_positional_only_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
13.7 µs13.8 µs
test_many_keyword_arguments_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
16.8 µs16.9 µs
extract_bigint_huge_positive
pyo3-benches/benches/bench_bigint.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
11.6 µs11.7 µs
test_proto_call_py
pytests/tests/test_pyclasses.py
CodSpeed Performance Gauge
-1%
14.4 µs14.5 µs
test_with_typed_args_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
13.6 µs13.7 µs
test_empty_class_init
pytests/tests/test_pyclasses.py
CodSpeed Performance Gauge
-1%
23.6 µs23.8 µs
getattr_intern
pyo3-benches/benches/bench_intern.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
3.3 µs3.4 µs
extract_float_extract_fail
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
11.6 µs11.8 µs
call
pyo3-benches/benches/bench_call.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
609.6 µs615.7 µs
call_method_0
pyo3-benches/benches/bench_call.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
608.3 µs614.5 µs
call_method_one_arg
pyo3-benches/benches/bench_call.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
631.1 µs637.9 µs
ordered_richcmp
pyo3-benches/benches/bench_comparisons.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
2.4 µs2.5 µs
list_nth_back
pyo3-benches/benches/bench_list.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
4.2 µs4.3 µs
call_method_1
pyo3-benches/benches/bench_call.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
657.4 µs666.8 µs
tuple_nth_back
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
4 µs4 µs
tuple_nth
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
3.9 µs3.9 µs
extract_bigint_big_positive
pyo3-benches/benches/bench_bigint.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-2%
3.6 µs3.7 µs
list_nth
pyo3-benches/benches/bench_list.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-2%
4.2 µs4.2 µs
call_1
pyo3-benches/benches/bench_call.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-2%
253.4 µs259.6 µs
extract_btreemap
pyo3-benches/benches/bench_dict.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-3%
35.9 ms37 ms
call_one_arg
pyo3-benches/benches/bench_call.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-3%
232.1 µs239.2 µs
call_0
pyo3-benches/benches/bench_call.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-3%
191.6 µs197.8 µs
bytes_new_medium
pyo3-benches/benches/bench_intopyobject.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-4%
1.5 µs1.6 µs
ordered_dunder_methods
pyo3-benches/benches/bench_comparisons.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-4%
2.6 µs2.7 µs

Ignored

extract_int_extract_success
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
+7%
456.1 ns426.9 ns
not_a_list_via_extract
pyo3-benches/benches/bench_frompyobject.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
-12%
214.4 ns243.6 ns
extract_str_extract_success
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
0%
520.8 ns520.8 ns
list_via_cast
pyo3-benches/benches/bench_frompyobject.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
+20%
178.3 ns149.2 ns
list_via_extract
pyo3-benches/benches/bench_frompyobject.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
0%
183.9 ns183.9 ns
extract_str_cast_success
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
0%
524.7 ns524.7 ns
not_a_list_via_cast
pyo3-benches/benches/bench_frompyobject.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
+27%
272.8 ns214.4 ns
vec_bytes_from_py_bytearray_small
pyo3-benches/benches/bench_frompyobject.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
+3%
865.3 ns836.1 ns
byte_slice_into_pyobject_small
pyo3-benches/benches/bench_intopyobject.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
+9%
364.2 ns335 ns
vec_bytes_from_py_bytes_small
pyo3-benches/benches/bench_frompyobject.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
+10%
920.8 ns833.3 ns
extract_str_cast_fail
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
0%
273.6 ns273.6 ns
bytes_new_small
pyo3-benches/benches/bench_intopyobject.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
-9%
305.8 ns335 ns
mapping_from_dict
pyo3-benches/benches/bench_dict.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
-26%
243.3 ns330.8 ns
extract_float_cast_success
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
0%
149.2 ns149.2 ns
extract_float_cast_fail
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
0%
486.1 ns486.1 ns
extract_int_cast_success
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
0%
490.3 ns490.3 ns
extract_int_cast_fail
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
0%
277.8 ns277.8 ns
extract_float_extract_success
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
+9%
361.1 ns331.9 ns
sequence_from_list
pyo3-benches/benches/bench_list.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
-11%
243.3 ns272.5 ns
getattr_direct
pyo3-benches/benches/bench_intern.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
0%
6.6 µs6.6 µs
sequence_from_tuple
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
Ignored
CodSpeed Performance Gauge
-11%
243.3 ns272.5 ns

Commits

Click on a commit to change the comparison range
Base
main
5152711
+10.12%
use `PyErr::write_unraisable` when panicking
f6612c6
2 days ago
by davidhewitt
© 2025 CodSpeed Technology
Home Terms Privacy Docs