havoqgt::mpi::LogStep Class Reference

#include <log_step.hpp>

Public Member Functions
	LogStep (const std::string &stp_str, MPI_Comm mpi_comm, int mpi_rank)
	~LogStep ()

Private Attributes
double	time_
int	mb_read_
int	mb_written_
std::string	stp_str_
MPI_Comm	mpi_comm_
int	mpi_rank_

Detailed Description

Definition at line 59 of file log_step.hpp.

Constructor & Destructor Documentation

havoqgt::mpi::LogStep::LogStep ( const std::string &  stp_str, MPI_Comm  mpi_comm, int  mpi_rank  )

inline

Definition at line 61 of file log_step.hpp.

  : stp_str_(stp_str)
  , mpi_comm_(mpi_comm)
  , mpi_rank_(mpi_rank) {
    MPI_Barrier(mpi_comm_);
    if (mpi_rank_ == 0) {
      time_ = MPI_Wtime();
      std::cout << "Starting:  " << stp_str_ << std::endl << std::flush;
    }
    if (mpi_rank_ % havoqgt_env()->node_local_comm().size()  == 0) {
      get_io_stat_info(mb_read_, mb_written_);
      std::cout << "\t[" << mpi_rank_ << "] Dirty Pages: " << get_dirty_pages()
        << "kb." << std::endl << std::flush;
    }
    MPI_Barrier(mpi_comm_);
  }

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havoqgt::mpi::LogStep::~LogStep ( )

inline

Definition at line 78 of file log_step.hpp.

             {
    MPI_Barrier(mpi_comm_);

    if (mpi_rank_ == 0) {
      time_ = MPI_Wtime() - time_;

      std::cout << "Finished: " << stp_str_ <<  " in " << time_ << " seconds."
        << std::endl << std::flush;
    }
    if (mpi_rank_ % havoqgt_env()->node_local_comm().size() == 0) {
      int read = -1;
      int written = -1;
      get_io_stat_info(read, written);

      std::cout
        << "\t[" << mpi_rank_ << "]" << std::endl
        << "\tSpace used: " << get_disk_utilization() << "gB." << std::endl
        << "\tDirty Pages: " << get_dirty_pages() << "kB." << std::endl
        << "\tMB Read: " << (read - mb_read_) << std::endl
        << "\tMB Written: " << (written - mb_written_) << std::endl
        << std::flush;
    }
    MPI_Barrier(mpi_comm_);
  }

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Member Data Documentation

int havoqgt::mpi::LogStep::mb_read_

private

Definition at line 105 of file log_step.hpp.

int havoqgt::mpi::LogStep::mb_written_

private

Definition at line 106 of file log_step.hpp.

MPI_Comm havoqgt::mpi::LogStep::mpi_comm_

private

Definition at line 109 of file log_step.hpp.

int havoqgt::mpi::LogStep::mpi_rank_

private

Definition at line 110 of file log_step.hpp.

std::string havoqgt::mpi::LogStep::stp_str_

private

Definition at line 108 of file log_step.hpp.

double havoqgt::mpi::LogStep::time_

private

Definition at line 104 of file log_step.hpp.

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The documentation for this class was generated from the following file:

• include/havoqgt/impl/log_step.hpp