This class represents Inference Engine Core entity. More...
#include <ie_core.hpp>
Public Member Functions | |
Core (const std::string &xmlConfigFile={}) | |
Constructs Inference Engine Core instance using XML configuration file with plugins description. More... | |
std::map< std::string, Version > | GetVersions (const std::string &deviceName) const |
Returns plugins version information. More... | |
CNNNetwork | ReadNetwork (const std::string &modelPath, const std::string &binPath={}) const |
Reads models from IR and ONNX formats. More... | |
CNNNetwork | ReadNetwork (const std::string &model, const Blob::CPtr &weights) const |
Reads models from IR and ONNX formats. More... | |
ExecutableNetwork | LoadNetwork (const CNNNetwork &network, const std::string &deviceName, const std::map< std::string, std::string > &config={}) |
Creates an executable network from a network object. More... | |
void | AddExtension (const IExtensionPtr &extension) |
Registers extension. More... | |
ExecutableNetwork | LoadNetwork (const CNNNetwork &network, RemoteContext::Ptr context, const std::map< std::string, std::string > &config={}) |
Creates an executable network from a network object within a specified remote context. More... | |
void | AddExtension (IExtensionPtr extension, const std::string &deviceName) |
Registers extension for the specified plugin. More... | |
ExecutableNetwork | ImportNetwork (const std::string &modelFileName, const std::string &deviceName, const std::map< std::string, std::string > &config={}) |
Creates an executable network from a previously exported network. More... | |
ExecutableNetwork | ImportNetwork (std::istream &networkModel, const std::string &deviceName={}, const std::map< std::string, std::string > &config={}) |
Creates an executable network from a previously exported network. More... | |
ExecutableNetwork | ImportNetwork (std::istream &networkModel, const RemoteContext::Ptr &context, const std::map< std::string, std::string > &config={}) |
Creates an executable network from a previously exported network within a specified remote context. More... | |
QueryNetworkResult | QueryNetwork (const CNNNetwork &network, const std::string &deviceName, const std::map< std::string, std::string > &config={}) const |
Query device if it supports specified network with specified configuration. More... | |
void | SetConfig (const std::map< std::string, std::string > &config, const std::string &deviceName={}) |
Sets configuration for device, acceptable keys can be found in ie_plugin_config.hpp. More... | |
Parameter | GetConfig (const std::string &deviceName, const std::string &name) const |
Gets configuration dedicated to device behaviour. More... | |
Parameter | GetMetric (const std::string &deviceName, const std::string &name) const |
Gets general runtime metric for dedicated hardware. More... | |
std::vector< std::string > | GetAvailableDevices () const |
Returns devices available for neural networks inference. More... | |
void | RegisterPlugin (const std::string &pluginName, const std::string &deviceName) |
Register new device and plugin which implement this device inside Inference Engine. More... | |
void | UnregisterPlugin (const std::string &deviceName) |
Unloads previously loaded plugin with a specified name from Inference Engine The method is needed to remove plugin instance and free its resources. If plugin for a specified device has not been created before, the method throws an exception. More... | |
void | RegisterPlugins (const std::string &xmlConfigFile) |
Registers plugin to Inference Engine Core instance using XML configuration file with plugins description. More... | |
RemoteContext::Ptr | CreateContext (const std::string &deviceName, const ParamMap ¶ms) |
Create a new shared context object on specified accelerator device using specified plugin-specific low level device API parameters (device handle, pointer, etc.) More... | |
RemoteContext::Ptr | GetDefaultContext (const std::string &deviceName) |
Get a pointer to default(plugin-supplied) shared context object for specified accelerator device. More... | |
This class represents Inference Engine Core entity.
It can throw exceptions safely for the application, where it is properly handled.
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explicit |
Constructs Inference Engine Core instance using XML configuration file with plugins description.
See RegisterPlugins for more details.
xmlConfigFile | A path to .xml file with plugins to load from. If XML configuration file is not specified, then default Inference Engine plugins are loaded from the default plugin.xml file. |
void InferenceEngine::Core::AddExtension | ( | const IExtensionPtr & | extension | ) |
Registers extension.
extension | Pointer to already loaded extension |
void InferenceEngine::Core::AddExtension | ( | IExtensionPtr | extension, |
const std::string & | deviceName | ||
) |
Registers extension for the specified plugin.
extension | Pointer to already loaded extension |
deviceName | Device name to identify plugin to add an executable extension |
RemoteContext::Ptr InferenceEngine::Core::CreateContext | ( | const std::string & | deviceName, |
const ParamMap & | params | ||
) |
Create a new shared context object on specified accelerator device using specified plugin-specific low level device API parameters (device handle, pointer, etc.)
deviceName | Name of a device to create new shared context on. |
params | Map of device-specific shared context parameters. |
std::vector<std::string> InferenceEngine::Core::GetAvailableDevices | ( | ) | const |
Returns devices available for neural networks inference.
Parameter InferenceEngine::Core::GetConfig | ( | const std::string & | deviceName, |
const std::string & | name | ||
) | const |
Gets configuration dedicated to device behaviour.
The method is targeted to extract information which can be set via SetConfig method.
deviceName | - A name of a device to get a configuration value. |
name | - value of config corresponding to config key. |
RemoteContext::Ptr InferenceEngine::Core::GetDefaultContext | ( | const std::string & | deviceName | ) |
Get a pointer to default(plugin-supplied) shared context object for specified accelerator device.
deviceName | - A name of a device to get create shared context from. |
Parameter InferenceEngine::Core::GetMetric | ( | const std::string & | deviceName, |
const std::string & | name | ||
) | const |
Gets general runtime metric for dedicated hardware.
The method is needed to request common device properties which are executable network agnostic. It can be device name, temperature, other devices-specific values.
deviceName | - A name of a device to get a metric value. |
name | - metric name to request. |
std::map<std::string, Version> InferenceEngine::Core::GetVersions | ( | const std::string & | deviceName | ) | const |
Returns plugins version information.
deviceName | Device name to identify plugin |
ExecutableNetwork InferenceEngine::Core::ImportNetwork | ( | const std::string & | modelFileName, |
const std::string & | deviceName, | ||
const std::map< std::string, std::string > & | config = {} |
||
) |
Creates an executable network from a previously exported network.
deviceName | Name of device load executable network on |
modelFileName | Path to the location of the exported file |
config | Optional map of pairs: (config parameter name, config parameter value) relevant only for this load operation* |
ExecutableNetwork InferenceEngine::Core::ImportNetwork | ( | std::istream & | networkModel, |
const RemoteContext::Ptr & | context, | ||
const std::map< std::string, std::string > & | config = {} |
||
) |
Creates an executable network from a previously exported network within a specified remote context.
networkModel | Network model stream |
context | Pointer to RemoteContext object |
config | Optional map of pairs: (config parameter name, config parameter value) relevant only for this load operation |
ExecutableNetwork InferenceEngine::Core::ImportNetwork | ( | std::istream & | networkModel, |
const std::string & | deviceName = {} , |
||
const std::map< std::string, std::string > & | config = {} |
||
) |
Creates an executable network from a previously exported network.
deviceName | Name of device load executable network on |
networkModel | network model stream |
config | Optional map of pairs: (config parameter name, config parameter value) relevant only for this load operation* |
ExecutableNetwork InferenceEngine::Core::LoadNetwork | ( | const CNNNetwork & | network, |
const std::string & | deviceName, | ||
const std::map< std::string, std::string > & | config = {} |
||
) |
Creates an executable network from a network object.
Users can create as many networks as they need and use them simultaneously (up to the limitation of the hardware resources)
network | CNNNetwork object acquired from Core::ReadNetwork |
deviceName | Name of device to load network to |
config | Optional map of pairs: (config parameter name, config parameter value) relevant only for this load operation |
ExecutableNetwork InferenceEngine::Core::LoadNetwork | ( | const CNNNetwork & | network, |
RemoteContext::Ptr | context, | ||
const std::map< std::string, std::string > & | config = {} |
||
) |
Creates an executable network from a network object within a specified remote context.
network | CNNNetwork object acquired from Core::ReadNetwork |
context | Pointer to RemoteContext object |
config | Optional map of pairs: (config parameter name, config parameter value) relevant only for this load operation |
QueryNetworkResult InferenceEngine::Core::QueryNetwork | ( | const CNNNetwork & | network, |
const std::string & | deviceName, | ||
const std::map< std::string, std::string > & | config = {} |
||
) | const |
Query device if it supports specified network with specified configuration.
deviceName | A name of a device to query |
network | Network object to query |
config | Optional map of pairs: (config parameter name, config parameter value) |
CNNNetwork InferenceEngine::Core::ReadNetwork | ( | const std::string & | model, |
const Blob::CPtr & | weights | ||
) | const |
Reads models from IR and ONNX formats.
model | string with model in IR or ONNX format |
weights | shared pointer to constant blob with weights Reading ONNX models doesn't support loading weights from data blobs. If you are using an ONNX model with external data files, please use the InferenceEngine::Core::ReadNetwork(const std::string& model, const Blob::CPtr& weights) const function overload which takes a filesystem path to the model. For ONNX case the second parameter should contain empty blob. |
CNNNetwork InferenceEngine::Core::ReadNetwork | ( | const std::string & | modelPath, |
const std::string & | binPath = {} |
||
) | const |
Reads models from IR and ONNX formats.
modelPath | path to model |
binPath | path to data file For IR format (*.bin):
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void InferenceEngine::Core::RegisterPlugin | ( | const std::string & | pluginName, |
const std::string & | deviceName | ||
) |
Register new device and plugin which implement this device inside Inference Engine.
pluginName | A name of plugin. Depending on platform pluginName is wrapped with shared library suffix and prefix to identify library full name |
deviceName | A device name to register plugin for. If device name is not specified, then it's taken from plugin itself. |
void InferenceEngine::Core::RegisterPlugins | ( | const std::string & | xmlConfigFile | ) |
Registers plugin to Inference Engine Core instance using XML configuration file with plugins description.
XML file has the following structure:
name
identifies name of device enabled by pluginlocation
specifies absolute path to dynamic library with plugin. A path can also be relative to inference engine shared library. It allows to have common config for different systems with different configurations.SetConfig
method.AddExtension
method.xmlConfigFile | A path to .xml file with plugins to register. |
void InferenceEngine::Core::SetConfig | ( | const std::map< std::string, std::string > & | config, |
const std::string & | deviceName = {} |
||
) |
Sets configuration for device, acceptable keys can be found in ie_plugin_config.hpp.
deviceName | An optional name of a device. If device name is not specified, the config is set for all the registered devices. |
config | Map of pairs: (config parameter name, config parameter value) |
void InferenceEngine::Core::UnregisterPlugin | ( | const std::string & | deviceName | ) |
Unloads previously loaded plugin with a specified name from Inference Engine The method is needed to remove plugin instance and free its resources. If plugin for a specified device has not been created before, the method throws an exception.
deviceName | Device name identifying plugin to remove from Inference Engine |