wrench::FCFSBatchScheduler Class Reference

A class that implements a FCFS batch scheduler. More...

#include <FCFSBatchScheduler.h>

Inheritance diagram for wrench::FCFSBatchScheduler:

Public Member Functions
	FCFSBatchScheduler (BatchComputeService *cs)
	Constructor. More...
std::map< std::string, double >	getStartTimeEstimates (std::set< std::tuple< std::string, unsigned long, unsigned long, double >> set_of_jobs) override
	Method to get start time estimates. More...
std::shared_ptr< BatchJob >	pickNextJobToSchedule ()
	Overriden Method to pick the next job to schedule. More...
void	processJobCompletion (std::shared_ptr< BatchJob > batch_job) override
	No-op method. More...
void	processJobFailure (std::shared_ptr< BatchJob > batch_job) override
	No-op method. More...
void	processJobSubmission (std::shared_ptr< BatchJob > batch_job) override
	No-op method. More...
void	processJobTermination (std::shared_ptr< BatchJob > batch_job) override
	No-op method. More...
void	processQueuedJobs () override
	Method to process queued jobs.
std::map< std::string, std::tuple< unsigned long, double > >	scheduleOnHosts (unsigned long, unsigned long, double) override
	Override Method to find hosts on which to scheduled a job. More...
Public Member Functions inherited from wrench::HomegrownBatchScheduler
	HomegrownBatchScheduler (BatchComputeService *cs)
	Constructor. More...
void	init () override
	Initialization method. More...
void	launch () override
	Launch method.
void	processUnknownJobTermination (std::string job_id) override
	Method to process a job termination when the job is already forgotten (useful for batsched) More...
void	shutdown () override
	Shutdown method.
Public Member Functions inherited from wrench::BatchScheduler
	BatchScheduler (BatchComputeService *cs)
	Constructor. More...
virtual	~BatchScheduler ()=default
	Destructor.

Additional Inherited Members
Protected Attributes inherited from wrench::BatchScheduler
BatchComputeService *	cs
	Compute service for which this scheduler is operating.

Detailed Description

A class that implements a FCFS batch scheduler.

Constructor & Destructor Documentation

FCFSBatchScheduler()

wrench::FCFSBatchScheduler::FCFSBatchScheduler ( BatchComputeService *  cs )

inlineexplicit

Constructor.

Parameters

cs	the batch compute service for which this scheduler is operating

Member Function Documentation

getStartTimeEstimates()

std::map< std::string, double > wrench::FCFSBatchScheduler::getStartTimeEstimates ( std::set< std::tuple< std::string, unsigned long, unsigned long, double >>  set_of_jobs )

overridevirtual

Method to get start time estimates.

Parameters

set_of_jobs

the set of job configurations whose start times should be estimated

Returns

start time estimates

Implements wrench::BatchScheduler.

pickNextJobToSchedule()

std::shared_ptr< BatchJob > wrench::FCFSBatchScheduler::pickNextJobToSchedule

(

)

Overriden Method to pick the next job to schedule.

Returns

A batch job, or nullptr is none is found

processJobCompletion()

void wrench::FCFSBatchScheduler::processJobCompletion ( std::shared_ptr< BatchJob >  batch_job )

overridevirtual

No-op method.

Parameters

batch_job

a batch job

Implements wrench::BatchScheduler.

processJobFailure()

void wrench::FCFSBatchScheduler::processJobFailure ( std::shared_ptr< BatchJob >  batch_job )

overridevirtual

No-op method.

Parameters

batch_job

a batch job

Implements wrench::BatchScheduler.

processJobSubmission()

void wrench::FCFSBatchScheduler::processJobSubmission ( std::shared_ptr< BatchJob >  batch_job )

overridevirtual

No-op method.

Parameters

batch_job

a batch job

Implements wrench::BatchScheduler.

processJobTermination()

void wrench::FCFSBatchScheduler::processJobTermination ( std::shared_ptr< BatchJob >  batch_job )

overridevirtual

No-op method.

Parameters

batch_job

a batch job

Implements wrench::BatchScheduler.

scheduleOnHosts()

std::map< std::string, std::tuple< unsigned long, double > > wrench::FCFSBatchScheduler::scheduleOnHosts ( unsigned long  num_nodes, unsigned long  cores_per_node, double  ram_per_node  )

overridevirtual

Override Method to find hosts on which to scheduled a job.

Parameters

num_nodes	the job's requested num nodes
cores_per_node	the job's num cores per node
ram_per_node	the job's ram per node

Returns

A resource list

Implements wrench::HomegrownBatchScheduler.

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

• FCFSBatchScheduler.h
• FCFSBatchScheduler.cpp