mirror of https://github.com/QMCPACK/qmcpack.git
27 lines
664 B
C++
27 lines
664 B
C++
#if COMPILATION_INSTRUCTIONS
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mpicxx -O3 -std=c++14 -Wall -Wfatal-errors $0 -o $0x.x && time mpirun -np 4s $0x.x $@ && rm -f $0x.x; exit
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#endif
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#include "alf/boost/mpi3/main.hpp"
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#include <chrono>
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#include <thread>
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namespace mpi3 = boost::mpi3;
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using std::cout;
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int mpi3::main(int, char*[], communicator& world){
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using namespace std::chrono_literals;
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auto t1 = mpi3::wall_time();
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std::this_thread::sleep_for(2s);
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auto t2 = mpi3::wall_time();
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cout
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<< "started at " << t1 << " seconds.\n"
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<< "ended at " << t2 << " seconds.\n"
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<< "duration " << t2 - t1 << " seconds.\n"
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<< "resolution " << mpi3::wall_tick() << " seconds.\n"
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;
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return 0;
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}
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