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#include <sdsl/suffix_trees.hpp>
#include <iostream>
using namespace sdsl;
using namespace std;
using namespace std::chrono;
using timer = std::chrono::high_resolution_clock;
template<class t_cst>
void do_something(const t_cst& cst)
{
uint64_t sum=0;
auto start = timer::now();
for (size_t i=0; i<cst.csa.size() and i<50000000; ++i) {
sum+=cst.csa.lf[i];
}
auto stop = timer::now();
cout << "runtime in seconds: " << duration_cast<seconds>(stop-start).count() << endl;
cout << "sum="<<sum<<endl;
}
int main(int argc, char** argv)
{
if (argc < 2) {
cout << "Usage: " << argv[0] << " file <use_hugepages>" << endl;
cout << " (1) Creates a CST for a byte file. " << endl;
cout << " (2) Runs a benchmark with enabled/disabled hugepages." << endl;
return 1;
}
if (argc==3) {
// memory_manager::use_hugepages(500ULL*1024ULL*1024ULL);
// use all available hugepages if nothing is specified
memory_manager::use_hugepages();
}
cst_sct3<> cst;
auto start = timer::now();
construct(cst, argv[1], 1);
auto stop = timer::now();
cout << "construction time in seconds: " << duration_cast<seconds>(stop-start).count() << endl;
do_something(cst); // before it is mapped
}
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