ComputeEnvironment Class Reference

#include <qle/math/computeenvironment.hpp>

Inheritance diagram for ComputeEnvironment:

Collaboration diagram for ComputeEnvironment:

Public Member Functions
	ComputeEnvironment ()
	~ComputeEnvironment ()
std::set< std::string >	getAvailableDevices () const
bool	hasContext () const
void	selectContext (const std::string &deviceName)
ComputeContext &	context ()
void	reset ()

Private Member Functions
void	releaseFrameworks ()

Private Attributes
std::vector< ComputeFramework * >	frameworks_
ComputeContext *	currentContext_
std::string	currentContextDeviceName_

Detailed Description

Definition at line 39 of file computeenvironment.hpp.

Constructor & Destructor Documentation

ComputeEnvironment()

ComputeEnvironment

(

)

Definition at line 27 of file computeenvironment.cpp.

{ reset(); }

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~ComputeEnvironment()

~ComputeEnvironment

(

)

Definition at line 29 of file computeenvironment.cpp.

{ releaseFrameworks(); }

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Member Function Documentation

getAvailableDevices()

std::set< std::string > getAvailableDevices

(

)

const

Definition at line 45 of file computeenvironment.cpp.

                                                                {
    std::set<std::string> result;
    for (auto const& f : frameworks_) {
        auto tmp = f->getAvailableDevices();
        result.insert(tmp.begin(), tmp.end());
    }
    return result;
}

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hasContext()

bool hasContext

(

)

const

Definition at line 54 of file computeenvironment.cpp.

{ return currentContext_ != nullptr; }

selectContext()

void selectContext

(

const std::string &

deviceName

)

Definition at line 56 of file computeenvironment.cpp.

                                                                  {
    if (currentContextDeviceName_ == deviceName)
        return;
    for (auto& f : frameworks_) {
        if (auto tmp = f->getAvailableDevices(); tmp.find(deviceName) != tmp.end()) {
            currentContext_ = f->getContext(deviceName);
            currentContext_->init();
            currentContextDeviceName_ = deviceName;
            return;
        }
    }
    QL_FAIL("ComputeEnvironment::selectContext(): device '"
            << deviceName << "' not found. Available devices: " << boost::join(getAvailableDevices(), ","));
}

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context()

ComputeContext & context

(

)

Definition at line 71 of file computeenvironment.cpp.

{ return *currentContext_; }

reset()

void reset

(

)

Definition at line 37 of file computeenvironment.cpp.

                               {
    currentContext_ = nullptr;
    currentContextDeviceName_.clear();
    releaseFrameworks();
    for (auto& c : ComputeFrameworkRegistry::instance().getAll())
        frameworks_.push_back(c());
}

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releaseFrameworks()

void releaseFrameworks ( )

private

Definition at line 31 of file computeenvironment.cpp.

                                           {
    for (auto& f : frameworks_)
        delete f;
    frameworks_.clear();
}

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Member Data Documentation

frameworks_

std::vector<ComputeFramework*> frameworks_

private

Definition at line 52 of file computeenvironment.hpp.

currentContext_

ComputeContext* currentContext_

private

Definition at line 53 of file computeenvironment.hpp.

currentContextDeviceName_

std::string currentContextDeviceName_

private

Definition at line 54 of file computeenvironment.hpp.