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Add profiling flamegraphs with pprof

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Tyler Hallada
2025-12-06 15:58:11 -05:00
parent 74c28c9344
commit 1311cb830b
5 changed files with 444 additions and 36 deletions
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@@ -36,3 +36,13 @@ Timings are given as: [lower-bound **best-estimate** upper-bound]
| 02 | [2.0386 ms **2.0483 ms** 2.0584 ms] | [2.0823 ms **2.0918 ms** 2.1015 ms] |
| 03 | [45.711 µs **45.937 µs** 46.177 µs] | [267.18 µs **267.95 µs** 268.75 µs] |
| 04 | [143.40 µs **144.00 µs** 144.73 µs] | [1.6165 ms **1.6258 ms** 1.6355 ms] |
## Profiling
To aid in increasing performance, the `pprof` crate can be used to generate flamegraphs off of the benchmarks.
To run profiling across all benchmarks: `cargo bench --bench aoc -- --profile-time 10`.
To run profile the benchmark for a specific day and/or part: `cargo bench --bench aoc -- --profile-time 30 "day01 part1"`.
The flamegraphs will be generated in `target/criterion/<benchmark_name>/profile/flamegraph.svg`.