ResourceAllocator Class Reference

An object that tracks the available resources for the main simulation runner. More...

#include <ResourceAllocator.h>

Classes
class	ComputeResources
	A representation for the resources for a given node. More...

Public Member Functions
	ResourceAllocator (int processNumber, int numberCpuCores, float cpuCoresPerReplicate)
	Create a ResourceAllocator.
	ResourceAllocator (int processNumber, int numberCpuCores, float cpuCoresPerReplicate, vector< int > cudaDevices, float cudaDevicesPerReplicate)
	Create a ResourceAllocator.
virtual	~ResourceAllocator ()
virtual int	getMaxSimultaneousReplicates ()
	Get maximum number of replicates that can run at a time on the available resources based on cudaDevices and numberCpuCores.
virtual ComputeResources	assignReplicate (int replicate)
	Assign a replicate to free resources.
virtual void	removeReplicate (int replicate)
	Remove a replicate from those that are running.
virtual int	reserveCpuCore ()
	Reserve a particular core.

Static Public Member Functions
static vector< int >	getAvailableCpuCores ()
	Parse CPU affinity list from /proc/self/status.

Protected Attributes
pthread_mutex_t	mutex
int	processNumber
int	numberCpuCores
int	reservedCpuCores
vector< int >	availableCpuCores
vector< int >	cudaDevices
int	cpuSlotsPerCore
int	cpuSlotsPerReplicate
int	cudaSlotsPerDevice
int	cudaSlotsPerReplicate
int **	cpuSlots
int **	cudaSlots

Detailed Description

An object that tracks the available resources for the main simulation runner.

Constructor & Destructor Documentation

ResourceAllocator() [1/2]

lm::main::ResourceAllocator::ResourceAllocator	(	int	processNumber,
		int	numberCpuCores,
		float	cpuCoresPerReplicate )

Create a ResourceAllocator.

Parameters

processNumber	The process identifier
numberCpuCores	The number of cores on teh resource
cpuCoresPerPrelicate	The number of cores to be used by each simulation replicate

ResourceAllocator() [2/2]

lm::main::ResourceAllocator::ResourceAllocator	(	int	processNumber,
		int	numberCpuCores,
		float	cpuCoresPerReplicate,
		vector< int >	cudaDevices,
		float	cudaDevicesPerReplicate )

Create a ResourceAllocator.

Parameters

processNumber	The process identifier
numberCpuCores	The number of cores on teh resource
cpuCoresPerPrelicate	The number of cores to be used by each simulation replicate
cudaDevices	A set of the identifiers for the available CUDA devices
cudaDevicesPerReplicate	The number of GPUs to be used by each simulation replicate

~ResourceAllocator()

lm::main::ResourceAllocator::~ResourceAllocator ( )

virtual

Member Function Documentation

assignReplicate()

ResourceAllocator::ComputeResources lm::main::ResourceAllocator::assignReplicate ( int replicate )

virtual

Assign a replicate to free resources.

Parameters

replicate

The replicate identifier

Returns

A class representing the compute resources given to the replicate

getAvailableCpuCores()

vector< int > lm::main::ResourceAllocator::getAvailableCpuCores ( )

static

Parse CPU affinity list from /proc/self/status.

Returns

Vector of available CPU core indices

getMaxSimultaneousReplicates()

int lm::main::ResourceAllocator::getMaxSimultaneousReplicates ( )

virtual

Get maximum number of replicates that can run at a time on the available resources based on cudaDevices and numberCpuCores.

removeReplicate()

void lm::main::ResourceAllocator::removeReplicate ( int replicate )

virtual

Remove a replicate from those that are running.

Parameters

replicate

The replicate identifier

reserveCpuCore()

int lm::main::ResourceAllocator::reserveCpuCore ( )

virtual

Reserve a particular core.

Returns

The identifer fo the core that has been reserved

Member Data Documentation

availableCpuCores

vector<int> lm::main::ResourceAllocator::availableCpuCores

protected

cpuSlots

int** lm::main::ResourceAllocator::cpuSlots

protected

cpuSlotsPerCore

int lm::main::ResourceAllocator::cpuSlotsPerCore

protected

cpuSlotsPerReplicate

int lm::main::ResourceAllocator::cpuSlotsPerReplicate

protected

cudaDevices

vector<int> lm::main::ResourceAllocator::cudaDevices

protected

cudaSlots

int** lm::main::ResourceAllocator::cudaSlots

protected

cudaSlotsPerDevice

int lm::main::ResourceAllocator::cudaSlotsPerDevice

protected

cudaSlotsPerReplicate

int lm::main::ResourceAllocator::cudaSlotsPerReplicate

protected

mutex

pthread_mutex_t lm::main::ResourceAllocator::mutex

protected

numberCpuCores

int lm::main::ResourceAllocator::numberCpuCores

protected

processNumber

int lm::main::ResourceAllocator::processNumber

protected

reservedCpuCores

int lm::main::ResourceAllocator::reservedCpuCores

protected

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

• /data2/LM_zls_github/Lattice-Microbes/src/core/ResourceAllocator.h
• /data2/LM_zls_github/Lattice-Microbes/src/core/ResourceAllocator.cpp