Parallel Data I/O¶

HARP has distributed versions of the spec, targets, image, and psf classes. These simply read the object on one process and broadcast a full copy to all other processes.

class harp::mpi_spec

Public Functions

mpi_spec(boost::mpi::communicator const & comm, std::string const & type, boost::property_tree::ptree const & props)

~mpi_spec()

boost::mpi::communicator comm()

size_t n_spec() const

size_t n_lambda() const

void values(vector_double & data) const

void values(mpi_matrix & data) const

void lambda(vector_double & lambda) const

std::string type() const

class harp::mpi_image

Public Functions

mpi_image(boost::mpi::communicator const & comm, std::string const & type, boost::property_tree::ptree const & props)

~mpi_image()

boost::mpi::communicator comm()

size_t n_rows() const

size_t n_cols() const

void values(vector_double & data) const

void inv_variance(vector_double & invvar) const

void values(matrix_double & data) const

void inv_variance(matrix_double & invvar) const

void values(elem_matrix_local & data) const

void inv_variance(elem_matrix_local & invvar) const

std::string type() const

class harp::mpi_psf

Public Functions

mpi_psf(boost::mpi::communicator const & comm, std::string const & type, boost::property_tree::ptree const & props)

mpi_psf()

~mpi_psf()

mpi_psf * redistribute(boost::mpi::communicator const & newcomm)

boost::mpi::communicator comm()

size_t n_spec() const

size_t n_lambda() const

size_t img_rows() const

size_t img_cols() const

vector_double lambda() const

void extent(size_t spec, size_t lambda, size_t & x_offset, size_t & y_offset, size_t & n_x, size_t & n_y) const

void extent_multi(std::map< size_t, std::set< size_t > > const & speclambda, std::vector< size_t > & x_offset, std::vector< size_t > & y_offset, std::vector< size_t > & n_x, std::vector< size_t > & n_y) const

void project_transpose(std::map< size_t, std::set< size_t > > const & speclambda, mpi_matrix_sparse & AT) const

void project_transpose(mpi_matrix_sparse & AT) const

std::string type() const

class harp::mpi_targets

Public Functions

mpi_targets(boost::mpi::communicator const & comm, std::string const & type, boost::property_tree::ptree const & props)

~mpi_targets()

boost::mpi::communicator comm()

size_t n_objects() const

std::vector< object_p > objects() const

std::string type() const