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fix memory corruption when subclassing variable-size types (e.g. `abi3` + 3.12 subclassing of native types)

#5823Merged
Comparing
davidhewitt:variable-class-subclassing
(
e0cab83
) with
main
(
fe00ce7
)
CodSpeed Performance Gauge
0%
Untouched
99
Ignored
21
Archived
1

Benchmarks

121 total
format_simple
pyo3-benches/benches/bench_pystring_from_fmt.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+9%
368.6 ns339.4 ns
extract_str_extract_fail
pyo3-benches/benches/bench_extract.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+3%
1.9 µs1.9 µs
call_method_one_arg
pyo3-benches/benches/bench_call.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+2%
633.3 µs618.6 µs
ordered_richcmp
pyo3-benches/benches/bench_comparisons.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-2%
2.5 µs2.6 µs
call_method_1
pyo3-benches/benches/bench_call.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-2%
696 µs710.8 µs
byte_slice_into_pyobject_medium
pyo3-benches/benches/bench_intopyobject.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+2%
1.5 µs1.4 µs
getattr_intern
pyo3-benches/benches/bench_intern.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+2%
3.3 µs3.2 µs
ordered_dunder_methods
pyo3-benches/benches/bench_comparisons.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
2.6 µs2.6 µs
test_args_kwargs_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
11.7 µs11.8 µs
test_simple_args_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
14.6 µs14.8 µs
tuple_nth
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+1%
6 µs5.9 µs
tuple_nth_back
pyo3-benches/benches/bench_tuple.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+1%
6 µs6 µs
extract_bigint_big_positive
pyo3-benches/benches/bench_bigint.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+1%
3.4 µs3.4 µs
test_simple_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
13.6 µs13.7 µs
test_none_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
10.3 µs10.4 µs
call_method
pyo3-benches/benches/bench_call.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
1.2 ms1.2 ms
dirty_attach
pyo3-benches/benches/bench_attach.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+1%
3.7 µs3.7 µs
test_with_typed_args_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
11 µs11.1 µs
extract_bigint_big_negative
pyo3-benches/benches/bench_bigint.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+1%
3.8 µs3.7 µs
test_many_keyword_arguments_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
17 µs17.1 µs
test_args_kwargs_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
14.9 µs15 µs
test_empty_class_init
pytests/tests/test_pyclasses.py
CodSpeed Performance Gauge
-1%
21.5 µs21.6 µs
test_simple_kwargs_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
15.4 µs15.5 µs
test_simple_args_kwargs_rs
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
15.7 µs15.8 µs
test_simple_args_kwargs_py
pytests/tests/test_pyfunctions.py
CodSpeed Performance Gauge
-1%
16 µs16.1 µs

Commits

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Base
main
fe00ce7
+0.02%
newsfragment
e0cab83
4 months ago
by davidhewitt
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