analyze_bench.cpp File Reference

#include "analyze.hpp"
#include "sys_utils.hpp"
#include <nanobench.h>

Include dependency graph for analyze_bench.cpp:

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Functions
void	bench_string_join (string base_name, array< string > str)
int	main ()

Detailed Description

Copyright

GPLv3

Benchmark for string algorithms

Author

jingkaimori

Date

2024

Definition in file analyze_bench.cpp.

Function Documentation

bench_string_join()

void bench_string_join	(	string	base_name,
		array< string >	str )

Definition at line 13 of file analyze_bench.cpp.

                                                        {
  ankerl::nanobench::Bench bench;
  bench.relative (true).minEpochIterations (1000).run (
      c_string (base_name * " by append"), [&] {
        string res;
        int    lth= N (str);
        for (size_t i= 0; i < lth; i++) {
          res << str[i];
        }
      });
  bench.run (c_string (base_name * " by concat"), [&] {
    string res;
    int    lth= N (str);
    for (size_t i= 0; i < lth; i++) {
      res= str[i] * res;
    }
  });
  bench.run (c_string (base_name * " by recompose"),
             [&] { recompose (str, ""); });
}

main()

int main

(

)

Definition at line 35 of file analyze_bench.cpp.

        {
  lolly::init_tbox ();
  bench_string_join ("join regular string",
                     array<string> ("long string", "short", "", "<#ABCD>"));
  bench_string_join ("join two string", array<string> ("long string", "short"));
  bench_string_join ("join empty ones", array<string> (5));
 
  ankerl::nanobench::Rng rng;
  int                    total= 20;
  array<string>          test_case;
  for (int i= 0; i < total; i++) {
    test_case << string ('!' + i, rng.bounded (30));
  }
  bench_string_join ("join a bunch of random string", test_case);
 
  return 0;
}