@ -367,6 +367,7 @@ void InfEngineBackendNet::init(Target targetId)
# if INF_ENGINE_VER_MAJOR_GE(INF_ENGINE_RELEASE_2019R1)
// Inference Engine determines network precision by ports.
InferenceEngine : : Precision p = ( targetId = = DNN_TARGET_MYRIAD | |
targetId = = DNN_TARGET_HDDL | |
targetId = = DNN_TARGET_OPENCL_FP16 ) ?
InferenceEngine : : Precision : : FP16 :
InferenceEngine : : Precision : : FP32 ;
@ -391,6 +392,9 @@ void InfEngineBackendNet::init(Target targetId)
case DNN_TARGET_MYRIAD :
device_name = " MYRIAD " ;
break ;
case DNN_TARGET_HDDL :
device_name = " HDDL " ;
break ;
case DNN_TARGET_FPGA :
device_name = " FPGA " ;
break ;
@ -652,20 +656,20 @@ InferenceEngine::Core& getCore(const std::string& id)
# endif
# if !defined(OPENCV_DNN_IE_VPU_TYPE_DEFAULT)
static bool detectMyriadX_ ( )
static bool detectMyriadX_ ( std : : string device )
{
AutoLock lock ( getInitializationMutex ( ) ) ;
# if INF_ENGINE_VER_MAJOR_GE(INF_ENGINE_RELEASE_2019R3)
// Lightweight detection
InferenceEngine : : Core & ie = getCore ( " MYRIAD " ) ;
InferenceEngine : : Core & ie = getCore ( device ) ;
const std : : vector < std : : string > devices = ie . GetAvailableDevices ( ) ;
for ( std : : vector < std : : string > : : const_iterator i = devices . begin ( ) ; i ! = devices . end ( ) ; + + i )
{
if ( i - > find ( " MYRIAD " ) ! = std : : string : : npos )
if ( i - > find ( device ) ! = std : : string : : npos )
{
const std : : string name = ie . GetMetric ( * i , METRIC_KEY ( FULL_DEVICE_NAME ) ) . as < std : : string > ( ) ;
CV_LOG_INFO ( NULL , " Myriad device: " < < name ) ;
return name . find ( " MyriadX " ) ! = std : : string : : npos | | name . find ( " Myriad X " ) ! = std : : string : : npos ;
return name . find ( " MyriadX " ) ! = std : : string : : npos | | name . find ( " Myriad X " ) ! = std : : string : : npos | | name . find ( " HDDL " ) ! = std : : string : : npos ;
}
}
return false ;
@ -702,13 +706,13 @@ static bool detectMyriadX_()
InferenceEngine : : InferenceEnginePluginPtr enginePtr ;
{
auto & sharedPlugins = getSharedPlugins ( ) ;
auto pluginIt = sharedPlugins . find ( " MYRIAD " ) ;
auto pluginIt = sharedPlugins . find ( device ) ;
if ( pluginIt ! = sharedPlugins . end ( ) ) {
enginePtr = pluginIt - > second ;
} else {
auto dispatcher = InferenceEngine : : PluginDispatcher ( { " " } ) ;
enginePtr = dispatcher . getPluginByDevice ( " MYRIAD " ) ;
sharedPlugins [ " MYRIAD " ] = enginePtr ;
enginePtr = dispatcher . getPluginByDevice ( device ) ;
sharedPlugins [ device ] = enginePtr ;
}
}
auto plugin = InferenceEngine : : InferencePlugin ( enginePtr ) ;
@ -719,9 +723,9 @@ static bool detectMyriadX_()
try
{
# if INF_ENGINE_VER_MAJOR_LE(INF_ENGINE_RELEASE_2019R3)
auto netExec = getCore ( " MYRIAD " ) . LoadNetwork ( cnn , " MYRIAD " , { { " VPU_PLATFORM " , " VPU_2480 " } } ) ;
auto netExec = getCore ( device ) . LoadNetwork ( cnn , device , { { " VPU_PLATFORM " , " VPU_2480 " } } ) ;
# else
auto netExec = getCore ( " MYRIAD " ) . LoadNetwork ( cnn , " MYRIAD " , { { " VPU_MYRIAD_PLATFORM " , " VPU_MYRIAD_2480 " } } ) ;
auto netExec = getCore ( device ) . LoadNetwork ( cnn , device , { { " VPU_MYRIAD_PLATFORM " , " VPU_MYRIAD_2480 " } } ) ;
# endif
# endif
auto infRequest = netExec . CreateInferRequest ( ) ;
@ -1155,6 +1159,25 @@ void resetMyriadDevice()
# endif // HAVE_INF_ENGINE
}
void releaseHDDLPlugin ( )
{
# ifdef HAVE_INF_ENGINE
AutoLock lock ( getInitializationMutex ( ) ) ;
# if INF_ENGINE_VER_MAJOR_LE(INF_ENGINE_RELEASE_2019R1)
getSharedPlugins ( ) . erase ( " HDDL " ) ;
# else
// Unregister both "HDDL" and "HETERO:HDDL,CPU" plugins
InferenceEngine : : Core & ie = getCore ( " HDDL " ) ;
try
{
ie . UnregisterPlugin ( " HDDL " ) ;
ie . UnregisterPlugin ( " HETERO " ) ;
}
catch ( . . . ) { }
# endif
# endif // HAVE_INF_ENGINE
}
# ifdef HAVE_INF_ENGINE
bool isMyriadX ( )
{
@ -1170,10 +1193,11 @@ static std::string getInferenceEngineVPUType_()
# if defined(OPENCV_DNN_IE_VPU_TYPE_DEFAULT)
param_vpu_type = OPENCV_DNN_IE_VPU_TYPE_DEFAULT ;
# else
CV_LOG_INFO ( NULL , " OpenCV-DNN: running Inference Engine VPU autodetection: Myriad2/X. In case of other accelerator types specify 'OPENCV_DNN_IE_VPU_TYPE' parameter " ) ;
CV_LOG_INFO ( NULL , " OpenCV-DNN: running Inference Engine VPU autodetection: Myriad2/X or HDDL . In case of other accelerator types specify 'OPENCV_DNN_IE_VPU_TYPE' parameter " ) ;
try {
bool isMyriadX_ = detectMyriadX_ ( ) ;
if ( isMyriadX_ )
bool isMyriadX_ = detectMyriadX_ ( " MYRIAD " ) ;
bool isHDDL_ = detectMyriadX_ ( " HDDL " ) ;
if ( isMyriadX_ | | isHDDL_ )
{
param_vpu_type = CV_DNN_INFERENCE_ENGINE_VPU_TYPE_MYRIAD_X ;
}