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Add timing code.

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Bert Peters
2019-09-12 12:08:46 +02:00
parent 944e595b97
commit 5cead82bee
1 changed files with 10 additions and 2 deletions
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12
2019/src/runner.cpp
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@@ -1,4 +1,5 @@
#include "solutions.hpp" #include "solutions.hpp"
#include <chrono>
#include <iostream> #include <iostream>
#include <boost/program_options.hpp> #include <boost/program_options.hpp>
@@ -7,14 +8,16 @@ namespace po = boost::program_options;
struct AoCOptions { struct AoCOptions {
int day; int day;
bool part2; bool part2;
bool run_timer;
}; };
AoCOptions parse_options(const int argc, const char* argv[]) { static AoCOptions parse_options(const int argc, const char *argv[]) {
AoCOptions options{}; AoCOptions options{};
po::options_description desc("Allowed options"); po::options_description desc("Allowed options");
desc.add_options() desc.add_options()
("day", po::value<int>(&options.day)->required(), "The day to run.") ("day", po::value<int>(&options.day)->required(), "The day to run.")
("part2,2", po::bool_switch(&options.part2), "Whether to run part 2."); ("part2,2", po::bool_switch(&options.part2), "Whether to run part 2.")
("timer,t", po::bool_switch(&options.run_timer), "Show the execution time.");
po::positional_options_description positionals; po::positional_options_description positionals;
positionals.add("day", 1); positionals.add("day", 1);
@@ -33,7 +36,12 @@ int main(int argc, const char *argv[]) {
const aoc2019::solution_t solution = aoc2019::get_implementation(options.day, options.part2); const aoc2019::solution_t solution = aoc2019::get_implementation(options.day, options.part2);
if (solution != nullptr) { if (solution != nullptr) {
const auto start = std::chrono::high_resolution_clock::now();
solution(std::cin, std::cout); solution(std::cin, std::cout);
if (options.run_timer) {
const std::chrono::duration<double> duration = std::chrono::high_resolution_clock::now() - start;
std::cerr << "Time taken: " << duration.count() << "s\n";
}
return 0; return 0;
} else { } else {
std::cerr << "Unimplemented.\n"; std::cerr << "Unimplemented.\n";