casa::CubePartitionMixin< T > Class Template Reference

Parameter and input data partitioning for parallel cube imaging (in ParallelImagerMixin). More...

#include <CubePartitionMixin.h>

List of all members.

Public Member Functions
void	concat_images (const string &type)
Protected Member Functions
ParallelImagerParams	get_params (MPI_Comm wcomm, ParallelImagerParams &initial)
Protected Attributes
MPI_Comm	worker_comm
int	num_workers
int	worker_rank
Record	image_parameters
Private Member Functions
Record	convert_fields (Record &rec, const char *field, std::function< std::string(const char *)> fn)
	Convenience method to transform certain record fields.
Record	empty_fields (Record &rec, const char *field)
	Convenience method to clear certain record fields.

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Detailed Description

template<class T>
class casa::CubePartitionMixin< T >

Parameter and input data partitioning for parallel cube imaging (in ParallelImagerMixin).

Definition at line 46 of file CubePartitionMixin.h.

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Member Function Documentation

template<class T >

void casa::CubePartitionMixin< T >::concat_images

(

const string &

type

)

[inline]

wait until all ranks have completed file modifications

round-robin allocation of image concatenation tasks to worker ranks

Definition at line 50 of file CubePartitionMixin.h.

References casa::CubePartitionMixin< T >::image_parameters, casacore::log(), casa::CubePartitionMixin< T >::num_workers, casa::to_string(), WHERE, casa::CubePartitionMixin< T >::worker_comm, and casa::CubePartitionMixin< T >::worker_rank.

template<class T >

Record casa::CubePartitionMixin< T >::convert_fields	(	Record &	rec,
		const char *	field,
		std::function< std::string(const char *)>	fn
	)			[inline, private]

Convenience method to transform certain record fields.

Definition at line 242 of file CubePartitionMixin.h.

References casa::ParamFieldIterator::begin(), and casa::ParamFieldIterator::end().

Referenced by casa::CubePartitionMixin< T >::get_params().

template<class T >

Record casa::CubePartitionMixin< T >::empty_fields	(	Record &	rec,
		const char *	field
	)			[inline, private]

Convenience method to clear certain record fields.

Definition at line 255 of file CubePartitionMixin.h.

References casa::ParamFieldIterator::begin(), and casa::ParamFieldIterator::end().

Referenced by casa::CubePartitionMixin< T >::get_params().

template<class T >

ParallelImagerParams casa::CubePartitionMixin< T >::get_params	(	MPI_Comm	wcomm,
		ParallelImagerParams &	initial
	)			[inline, protected]

Determine rank among parallel imaging worker processes.

need a SynthesisImager instance to do cube partitioning

save only that part of the record returned from util.cubeDataImagePartition that is handled by the current rank

selection_params

image_params

FIXME: are grid parameters partitioned by node?

grid params

normalization_params

deconvolution params

weight params

iteration params

Definition at line 106 of file CubePartitionMixin.h.

References casa::CubePartitionMixin< T >::convert_fields(), casa::SynthesisUtilMethods::cubeDataImagePartition(), casa::ParallelImagerParams::deconvolution, casa::CubePartitionMixin< T >::empty_fields(), casa::SynthesisParamsSelect::fromRecord(), casa::SynthesisParamsImage::fromRecord(), casa::SynthesisParamsGrid::fromRecord(), casa::ParallelImagerParams::grid, casa::ParallelImagerParams::image, casa::CubePartitionMixin< T >::image_parameters, casa::ParallelImagerParams::iteration, casa::name(), casa::SynthesisParamsImage::nchan, casa::ParallelImagerParams::normalization, casa::CubePartitionMixin< T >::num_workers, casa::ParallelImagerParams::selection, String, casa::to_string(), casa::ParallelImagerParams::weight, casa::CubePartitionMixin< T >::worker_comm, and casa::CubePartitionMixin< T >::worker_rank.

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Member Data Documentation

template<class T >

Record casa::CubePartitionMixin< T >::image_parameters [protected]

Definition at line 103 of file CubePartitionMixin.h.

Referenced by casa::CubePartitionMixin< T >::concat_images(), and casa::CubePartitionMixin< T >::get_params().

template<class T >

int casa::CubePartitionMixin< T >::num_workers [protected]

Definition at line 99 of file CubePartitionMixin.h.

Referenced by casa::CubePartitionMixin< T >::concat_images(), and casa::CubePartitionMixin< T >::get_params().

template<class T >

MPI_Comm casa::CubePartitionMixin< T >::worker_comm [protected]

Definition at line 93 of file CubePartitionMixin.h.

Referenced by casa::CubePartitionMixin< T >::concat_images(), and casa::CubePartitionMixin< T >::get_params().

template<class T >

int casa::CubePartitionMixin< T >::worker_rank [protected]

Definition at line 101 of file CubePartitionMixin.h.

Referenced by casa::CubePartitionMixin< T >::concat_images(), and casa::CubePartitionMixin< T >::get_params().

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

• code/synthesis/ImagerObjects/CubePartitionMixin.h