[ty] Add a DateType benchmark
#19148
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AlexWaygood
added
performance
AlexWaygood
commented
Jul 4, 2025
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500
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503
| assert!( | ||
| diagnostics > 1 && diagnostics <= max_diagnostics, | ||
| "Expected between {} and {} diagnostics but got {}", | ||
| 1, | ||
| max_diagnostics, | ||
| diagnostics | ||
| diagnostics <= max_diagnostics, | ||
| "Expected <={max_diagnostics} diagnostics but got {diagnostics}" | ||
| ); |
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we don't emit any diagnostics on this library (it's well-typed!), so this assertion didn't pass as-is as it expects at least 1 diagnostic
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carljm
approved these changes
Jul 4, 2025
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Summary
The
DateTypelibrary has some very large protocols in it. Currently we type-check it quite quickly, but the current version of #18659 makes our execution time on this library pathologically slow. That PR doesn't seem to have a big impact on any of our current benchmarks, however, so it seems we have some missing coverage in this area; I therefore propose that we addDateTypeas a benchmark.Currently the benchmark runs pretty quickly (about half the runtime of attrs, which is our fastest real-world benchmark currently), and the library has 0 third-party dependencies, so the benchmark is quick to setup.
Test Plan
cargo bench -p ruff_benchmark --bench=ty