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In any case, I guess you can find some inspiration in this comparison of maps which was posted to /r/cpp a couple of months ago: https://martin.ankerl.com/2022/08/27/hashmap-bench-01/ (source code for the benchmark seems to be on https://github.com/martinus/map_benchmark ). It's made for maps but adjusting most benchmarks for other containers should be fairly straightforward.
If you just want to do some quick benchmarks, you can just use std::chrono::high_resolution_clock::now(). Call it before the code that you are benchmarking and then immediately after. Take them away and you have your duration. If you want to use a proper benchmarking tool then I can totally recommend Google Benchmark. Fantastic benchmarking tool. Honourable mention would be Quick Bench which is an online tool that uses Google Benchmark.