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refactor(tinybench): share structure across walltime and instrumented

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Add perf profiling to tinybench #51

refactor(tinybench): share structure across walltime and instrumented
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CodSpeed HQ / CodSpeed Performance Analysis failed Sep 26, 2025 in 0s

Performance Regression: -84.68%

Summary

⚡ 7 improvements
❌ 10 regressions
✅ 65 untouched

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

Benchmark BASE HEAD Change
switch 1 30 µs 123.7 µs -75.71%
test_iterative_fibo_100 194.6 µs 34 µs ×5.7
test_recursive_cached_fibo_30 205.7 µs 48.9 µs ×4.2
test_recursive_fibo_10 46 µs 138.5 µs -66.82%
test sync baz 10 201.3 µs 40.9 µs ×4.9
test_iterative_fibo_10 29.1 µs 190.2 µs -84.68%
test_iterative_fibo_100 282.3 µs 214.1 µs +31.83%
test_recursive_cached_fibo_30 47.2 µs 227.4 µs -79.24%
test_recursive_fibo_10 46 µs 138.8 µs -66.88%
test sync baz 10 39.4 µs 200 µs -80.31%
switch 1 30.7 µs 124.8 µs -75.39%
switch 1 30.7 µs 123.3 µs -75.14%
short body 102.5 µs 121.2 µs -15.41%
switch 1 30.9 µs 93.3 µs -66.92%
switch 2 25.5 µs 8.2 µs ×3.1
wait 1ms 24.7 µs 20 µs +23.83%
wait 500ms 12.5 ms 10 ms +24.32%