Avatar for the astral-sh user
astral-sh
ruff
BlogDocsChangelog

[ty] Use upper bounds for TypeVar materialization in generic classes

#23969
Comparing
claude/fix-typevar-annotations-BfKAQ
(
ce9034e
) with
main
(
84b099f
)
CodSpeed Performance Gauge
-8%
Regression
1
Untouched
25
Skipped
30

Benchmarks

56 total
colour_science
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
-8%
82.4 s89.2 s
hydra-zen
crates/ruff_benchmark/benches/ty.rs::project::hydra::project
CodSpeed Performance Gauge
+2%
1.2 s1.2 s
ty_micro[many_enum_members_2]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_many_enum_members_2
CodSpeed Performance Gauge
+1%
177.8 ms176.5 ms
ty_micro[complex_constrained_attributes_1]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_complex_constrained_attributes_1
CodSpeed Performance Gauge
+1%
71 ms70.6 ms
ty_micro[many_tuple_assignments]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_many_tuple_assignments
CodSpeed Performance Gauge
0%
68.6 ms68.3 ms
ty_micro[many_string_assignments]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_many_string_assignments
CodSpeed Performance Gauge
0%
80.8 ms80.5 ms
ty_micro[very_large_tuple]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_very_large_tuple
CodSpeed Performance Gauge
0%
72.7 ms72.4 ms
ty_micro[complex_constrained_attributes_2]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_complex_constrained_attributes_2
CodSpeed Performance Gauge
0%
70.7 ms70.5 ms
ty_micro[large_union_narrowing]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_large_union_narrowing
CodSpeed Performance Gauge
0%
498.1 ms497 ms
ty_micro[many_tuple_assignments]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_tuple_implicit_instance_attributes
CodSpeed Performance Gauge
0%
70.5 ms70.4 ms
ty_micro[large_isinstance_narrowing]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_large_isinstance_narrowing
CodSpeed Performance Gauge
0%
144.6 ms144.4 ms
ty_check_file[cold]
crates/ruff_benchmark/benches/ty.rs::check_file::benchmark_cold
CodSpeed Performance Gauge
0%
151.4 ms151.2 ms
DateType
crates/ruff_benchmark/benches/ty.rs::project::datetype::project
CodSpeed Performance Gauge
0%
220.7 ms220.6 ms
anyio
crates/ruff_benchmark/benches/ty.rs::project::anyio::project
CodSpeed Performance Gauge
0%
1.2 s1.2 s
attrs
crates/ruff_benchmark/benches/ty.rs::project::attrs::project
CodSpeed Performance Gauge
0%
487.8 ms487.7 ms
ty_micro[complex_constrained_attributes_3]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_complex_constrained_attributes_3
CodSpeed Performance Gauge
0%
76.8 ms76.8 ms
ty_check_file[incremental]
crates/ruff_benchmark/benches/ty.rs::check_file::benchmark_incremental
CodSpeed Performance Gauge
0%
8.2 ms8.2 ms
sympy
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
0%
65.7 s65.7 s
ty_micro[many_enum_members]
crates/ruff_benchmark/benches/ty.rs::micro::benchmark_many_enum_members
CodSpeed Performance Gauge
0%
100 ms100.1 ms
altair
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
0%
5 s5 s
pydantic
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
0%
5.9 s5.9 s
tanjun
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
-1%
2.8 s2.8 s
freqtrade
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
-2%
8.2 s8.4 s
static_frame
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
-2%
28.5 s29.1 s
pandas
crates/ruff_benchmark/benches/ty_walltime.rs
CodSpeed Performance Gauge
-3%
81.2 s83.5 s

Commits

Click on a commit to change the comparison range
Base
main
84b099f
-7.68%
[ty] Fix Top materialization to respect TypeVar bounds and ignore defaults
ce9034e
3 hours ago
by claude
© 2026 CodSpeed Technology
Home Terms Privacy Docs