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Refactor/remove runtime dispatch - #18

Merged
jcfangc merged 9 commits into
mainfrom
refactor/remove-runtime-dispatch
Aug 1, 2026
Merged

Refactor/remove runtime dispatch#18
jcfangc merged 9 commits into
mainfrom
refactor/remove-runtime-dispatch

perf: restore bool iterator construction

29ec1c2
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CodSpeed HQ / CodSpeed Performance Analysis failed Aug 1, 2026 in 0s

5 benchmarks regressed

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 82 improved benchmarks
❌ 5 regressed benchmarks
✅ 101 untouched benchmarks
🆕 39 new benchmarks
⏩ 210 skipped benchmarks1

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Benchmark BASE HEAD Efficiency
❌ from_bool_iter/len_65536/ours_string 78.6 µs 126.3 µs -37.8%
❌ matches_at_str/len_65/no/unaligned/ours_string_str 403.1 ns 490.3 ns -17.79%
❌ matches_at_str/len_65/yes/unaligned/ours_string_str 403.1 ns 490.3 ns -17.79%
❌ matches_at_str/len_65/no/aligned/ours_string_str 429.4 ns 516.9 ns -16.93%
❌ matches_at_str/len_65/yes/aligned/ours_string_str 429.4 ns 516.9 ns -16.93%
⚡ ends_with/len_65536/miss/ours_string_string 1,357.2 ns 442.2 ns ×3.1
⚡ starts_with/len_65536/miss/ours_string_string 1,320 ns 436.9 ns ×3
⚡ leading_zeros/len_65/all_zeros/ours_string 553.6 ns 183.6 ns ×3
⚡ leading_zeros/unaligned_63/len_4096/all_zeros/ours_str 1,536.9 ns 822.2 ns +86.93%
⚡ starts_with/len_65536/miss/ours_str_string 741.7 ns 438.6 ns +69.09%
⚡ ends_with/len_65536/miss/ours_str_str 747.5 ns 443.3 ns +68.61%
⚡ starts_with/len_65536/miss/ours_str_str 830.6 ns 527.5 ns +57.45%
⚡ find_str/len_65/front/ours_string_string 1,141.7 ns 725.8 ns +57.29%
⚡ ends_with/len_65536/miss/ours_str_string 688.6 ns 442.8 ns +55.52%
⚡ ends_with/len_65536/miss/ours_string_str 688.6 ns 442.8 ns +55.52%
⚡ starts_with/len_65536/miss/ours_string_str 711.9 ns 467.2 ns +52.38%
⚡ find_str/len_65/front/ours_string_str 1,200.6 ns 789.2 ns +52.13%
⚡ ends_with/len_65536/hit/ours_str_str 719.4 ns 473.3 ns +52%
⚡ find_str/len_65/miss/ours_string_str 1,183.6 ns 784.4 ns +50.89%
⚡ find_str/len_65/miss/ours_string_string 1,124.7 ns 752.2 ns +49.52%
... ... ... ... ...

ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

Comparing refactor/remove-runtime-dispatch (29ec1c2) with main (fe4564c)

Open in CodSpeed

Footnotes

  1. 210 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

View more details on CodSpeed HQ