mpi_mapper_t Class Reference

FleCSI's mapper, named for its support for rank-matching for MPI tasks. More...

Public Member Functions
virtual Legion::LogicalRegion	default_policy_select_instance_region (Legion::Mapping::MapperContext, Realm::Memory, const Legion::RegionRequirement &req, const Legion::LayoutConstraintSet &, bool, bool) override
	Use subregions rather than parent region.
virtual void	map_copy (const Legion::Mapping::MapperContext ctx, const Legion::Copy &copy, const Legion::Mapping::Mapper::MapCopyInput &input, Legion::Mapping::Mapper::MapCopyOutput &output) override
	Reuse existing indirection instances and request reusable preimages.
virtual void	map_task (const Legion::Mapping::MapperContext ctx, const Legion::Task &task, const Legion::Mapping::Mapper::MapTaskInput &input, Legion::Mapping::Mapper::MapTaskOutput &output) override
	Implement prefer_gpu and prefer_omp tags and reuse or create appropriate SoA instances.
	mpi_mapper_t (Legion::Machine machine, Legion::Runtime *_runtime, Legion::Processor local)
	See DefaultMapper for parameter meanings.
virtual void	slice_task (const Legion::Mapping::MapperContext, const Legion::Task &task, const Legion::Mapping::Mapper::SliceTaskInput &input, Legion::Mapping::Mapper::SliceTaskOutput &output) override
	Assign processors, implementing the force_rank_match tag.

Detailed Description

FleCSI's mapper, named for its support for rank-matching for MPI tasks.

Appears directly in flecsi::run.

Constructor & Destructor Documentation

mpi_mapper_t()

mpi_mapper_t	(	Legion::Machine	machine,
		Legion::Runtime *	_runtime,
		Legion::Processor	local )

See DefaultMapper for parameter meanings.

Member Function Documentation

default_policy_select_instance_region()

virtual Legion::LogicalRegion default_policy_select_instance_region ( Legion::Mapping::MapperContext , Realm::Memory , const Legion::RegionRequirement & req, const Legion::LayoutConstraintSet & , bool , bool  )

overridevirtual

Use subregions rather than parent region.

map_task()

virtual void map_task ( const Legion::Mapping::MapperContext ctx, const Legion::Task & task, const Legion::Mapping::Mapper::MapTaskInput & input, Legion::Mapping::Mapper::MapTaskOutput & output )

overridevirtual

Implement prefer_gpu and prefer_omp tags and reuse or create appropriate SoA instances.

slice_task()

virtual void slice_task ( const Legion::Mapping::MapperContext , const Legion::Task & task, const Legion::Mapping::Mapper::SliceTaskInput & input, Legion::Mapping::Mapper::SliceTaskOutput & output )

overridevirtual

Assign processors, implementing the force_rank_match tag.

map_copy()

virtual void map_copy ( const Legion::Mapping::MapperContext ctx, const Legion::Copy & copy, const Legion::Mapping::Mapper::MapCopyInput & input, Legion::Mapping::Mapper::MapCopyOutput & output )

overridevirtual

Reuse existing indirection instances and request reusable preimages.