MyCaffe
1.12.2.41
Deep learning software for Windows C# programmers.
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The MemoryDataLayer provides data to the Net from memory. This layer is initialized with the MyCaffe.param.MemoryDataParameter. More...
Public Member Functions | |
MemoryDataLayer (CudaDnn< T > cuda, Log log, LayerParameter p) | |
The BaseDataLayer constructor. More... | |
override void | Reshape (BlobCollection< T > colBottom, BlobCollection< T > colTop) |
Reshape the internal data and outputs. More... | |
virtual void | AddDatum (SimpleDatum sd, int nLblAxis=1, bool bReset=false, bool bResizeBatch=false) |
This method is used to add a single Datum to the memory. More... | |
virtual void | AddDatumVector (Datum[] rgData, Datum[] rgClip=null, int nLblAxis=1, bool bReset=false, bool bResizeBatch=false) |
This method is used to add a list of Datums to the memory. More... | |
virtual void | AddDatumVector (List< Datum > rgData, List< Datum > rgClip=null, int nLblAxis=1, bool bReset=false, bool bResizeBatch=false) |
This method is used to add a list of Datums to the memory. More... | |
void | Reset (Blob< T > data, Blob< T > labels, int n) |
Resets the data by copying the internal data to the parameters specified. More... | |
void | Copy (MemoryDataLayer< T > src) |
Copy the data by copying the src alyer data and label to the parameters specified. More... | |
Public Member Functions inherited from MyCaffe.layers.BaseDataLayer< T > | |
BaseDataLayer (CudaDnn< T > cuda, Log log, LayerParameter p, IXDatabaseBase db) | |
The BaseDataLayer constructor. More... | |
override void | LayerSetUp (BlobCollection< T > colBottom, BlobCollection< T > colTop) |
Implements common data layer setup functionality, and calls DataLayerSetUp to do special data layer setup for individual layer types. More... | |
Public Member Functions inherited from MyCaffe.layers.Layer< T > | |
Layer (CudaDnn< T > cuda, Log log, LayerParameter p) | |
The Layer constructor. More... | |
void | Dispose () |
Releases all GPU and host resources used by the Layer. More... | |
virtual void | ConnectLoss (LossLayer< T > layer) |
Called to connect the loss OnLoss event to a specified layer (typically the data layer). More... | |
virtual BlobCollection< T > | PreProcessInput (PropertySet customInput, out int nSeqLen, BlobCollection< T > colBottom=null) |
The PreprocessInput allows derivative data layers to convert a property set of input data into the bottom blob collection used as intput. More... | |
virtual bool | PreProcessInput (string strEncInput, int? nDecInput, BlobCollection< T > colBottom) |
Preprocess the input data for the RUN phase. More... | |
virtual List< Tuple< string, int, double > > | PostProcessOutput (Blob< T > blobSofmtax, int nK=1) |
The PostProcessOutput allows derivative data layers to post-process the results, converting them back into text results (e.g., detokenizing). More... | |
virtual List< Tuple< string, int, double > > | PostProcessLogitsOutput (int nCurIdx, Blob< T > blobLogits, Layer< T > softmax, int nAxis, int nK=1) |
The PostProcessLogitsOutput allows derivative data layers to post-process the results, converting them back into text results (e.g., detokenizing). More... | |
virtual string | PostProcessFullOutput (Blob< T > blobSoftmax) |
The PostProcessFullOutput allows derivative data layers to post-process the results, usually be detokenizing the data in the blobSoftmax. More... | |
virtual string | PostProcessOutput (int nIdx) |
Convert the index to the word. More... | |
virtual void | SetOnDebug (EventHandler< GetWorkBlobArgs< T > > fn) |
Set the OnDebug event. More... | |
virtual void | ResetOnDebug (EventHandler< GetWorkBlobArgs< T > > fn) |
Reset the OnDebug event, disabling it. More... | |
virtual bool | ReInitializeParameters (WEIGHT_TARGET target) |
Re-initialize the parameters of the layer. More... | |
void | SetNetReshapeRequest () |
Called by the Net when requesting a reshape. More... | |
void | SetPhase (Phase phase) |
Changes the layer's Phase to the one specified. More... | |
void | Setup (BlobCollection< T > colBottom, BlobCollection< T > colTop) |
Implements common Layer setup functionality. More... | |
virtual void | SetNetParameterUsed (NetParameter np) |
This function allows other layers to gather needed information from the NetParameters if any, and is called when initialzing the Net. More... | |
void | ConvertToBase (BlobCollection< T > col) |
ConvertToBase converts any blobs in a collection that are in half size to the base size. More... | |
double | Forward (BlobCollection< T > colBottom, BlobCollection< T > colTop) |
Given the bottom (input) Blobs, this function computes the top (output) Blobs and the loss. More... | |
void | Backward (BlobCollection< T > colTop, List< bool > rgbPropagateDown, BlobCollection< T > colBottom) |
Given the top Blob error gradients, compute the bottom Blob error gradients. More... | |
double | loss (int nTopIdx) |
Returns the scalar loss associated with the top Blob at a given index. More... | |
void | set_loss (int nTopIdx, double dfLoss) |
Sets the loss associated with a top Blob at a given index. More... | |
virtual bool | AllowForceBackward (int nBottomIdx) |
Return whether to allow More... | |
bool | param_propagate_down (int nParamIdx) |
Returns whether or not the Layer should compute gradients w.r.t. a parameter at a particular index given by a parameter index. More... | |
void | set_param_propagate_down (int nParamIdx, bool bPropagate) |
Sets whether or not the Layer should compute gradients w.r.t. a parameter at a particular index given by a parameter index. More... | |
void | SetEnablePassthrough (bool bEnable) |
Enables/disables the pass-through mode. More... | |
Protected Member Functions | |
override void | dispose () |
Releases all GPU and host resources used by the Layer. More... | |
override void | DataLayerSetUp (BlobCollection< T > colBottom, BlobCollection< T > colTop) |
Setup the MemoryDataLayer. More... | |
override void | forward (BlobCollection< T > colBottom, BlobCollection< T > colTop) |
The forward computation which loads the data into the top (output) Blobs. More... | |
Protected Member Functions inherited from MyCaffe.layers.BaseDataLayer< T > | |
virtual bool | setupSourceDescriptor () |
Allows any derivative classes to pre-initialize the m_src which is used in LayerSetup before the DataLayerSetup. More... | |
override void | backward (BlobCollection< T > colTop, List< bool > rgbPropagateDown, BlobCollection< T > colBottom) |
Not implemented - data Layers do not perform backward. More... | |
Protected Member Functions inherited from MyCaffe.layers.Layer< T > | |
void | dispose (ref Layer< T > l) |
Helper method used to dispose internal layers. More... | |
void | dispose (ref Blob< T > b) |
Helper method used to dispose internal blobs. More... | |
void | dispose (ref BlobCollection< T > rg, bool bSetToNull=true) |
Dispose the blob collection. More... | |
GetIterationArgs | getCurrentIteration () |
Fires the OnGetIteration event to query the current iteration. More... | |
long | convert_to_full (int nCount, long hMem) |
Convert half memory to full memory. More... | |
void | convert (BlobCollection< T > col) |
Convert a collection of blobs from / to half size. More... | |
virtual bool | reshapeNeeded (BlobCollection< T > colBottom, BlobCollection< T > colTop, bool bReset=true) |
Tests the shapes of both the bottom and top blobs and if they are the same as the previous sizing, returns false indicating that no reshape is needed. More... | |
bool | compareShapes (BlobCollection< T > colBottom, BlobCollection< T > colTop) |
Compare the shapes of the top and bottom and if the same, return true, otherwise false. More... | |
void | setShapes (BlobCollection< T > colBottom, BlobCollection< T > colTop) |
Set the internal shape sizes - used when determining if a Reshape is necessary. More... | |
virtual void | setup_internal_blobs (BlobCollection< T > col) |
Derivative layers should add all internal blobws to the 'col' provided. More... | |
void | CheckBlobCounts (BlobCollection< T > colBottom, BlobCollection< T > colTop) |
Called by the Layer::Setup function to check the number of bottom (input) and top (output) Blobs provided match the expected number of blobs expected via the {EactNum,Min,Max}{Bottom,Top}Blobs functions. More... | |
void | SetLossWeights (BlobCollection< T > colTop) |
Called by Layer::Setup to initialize the weights associated with any top (output) Blobs in the loss function ans store non-zero loss weights in the diff Blob. More... | |
LayerParameter | convertLayerParam (LayerParameter pChild, LayerParameter pParent) |
Called to convert a parent LayerParameterEx, used in blob sharing, with a child layer parameter. More... | |
bool | shareParameter (Blob< T > b, List< int > rgMinShape, bool bAllowEndsWithComparison=false) |
Attempts to share a parameter Blob if another parameter Blob with the same name and accpetable size is found. More... | |
bool | shareLayerBlob (Blob< T > b, List< int > rgMinShape) |
Attempts to share a Layer Blob if another parameter Blob with the same name and acceptable size is found. More... | |
bool | shareLayerBlobs (Layer< T > layer) |
Attempts to share the Layer blobs and internal_blobs with matching names and sizes with those in another matching layer. More... | |
virtual WorkspaceArgs | getWorkspace () |
Returns the WorkspaceArgs used to share a workspace between Layers. More... | |
virtual bool | setWorkspace (ulong lSizeInBytes) |
Sets the workspace size (in items) and returns true if set, false otherwise. More... | |
void | check_nan (Blob< T > b) |
Checks a Blob for NaNs and throws an exception if found. More... | |
T | convert (double df) |
Converts a double to a generic. More... | |
T | convert (float f) |
Converts a float to a generic. More... | |
double | convertD (T df) |
Converts a generic to a double value. More... | |
float | convertF (T df) |
Converts a generic to a float value. More... | |
double[] | convertD (T[] rg) |
Converts an array of generic values into an array of double values. More... | |
T[] | convert (double[] rg) |
Converts an array of double values into an array of generic values. More... | |
float[] | convertF (T[] rg) |
Converts an array of float values into an array of generic values. More... | |
T[] | convert (float[] rg) |
Converts an array of float values into an array of generic values. More... | |
int | val_at (T[] rg, int nIdx) |
Returns the integer value at a given index in a generic array. More... | |
Size | size_at (Blob< T > b) |
Returns the Size of a given two element Blob, such as one that stores Blob size information. More... | |
Properties | |
override int | ExactNumBottomBlobs [get] |
No bottom blobs are used by this layer. More... | |
override int | ExactNumTopBlobs [get] |
Returns the exact number of required top (output) Blobs. More... | |
override int | MinTopBlobs [get] |
Returns the minimum number of top blobs: data More... | |
override int | MaxTopBlobs [get] |
Returns the maximum number of top blobs: data, clip, label More... | |
int | batch_size [getset] |
Returns the batch size. More... | |
int | channels [get] |
Returns the data channels. More... | |
int | height [get] |
Returns the data height. More... | |
int | width [get] |
Returns the data width. More... | |
int | clip_size1 [get] |
Returns the clip 1 size, if any exists. More... | |
int | clip_size2 [get] |
Returns the clip 2 size, if any exists. More... | |
Properties inherited from MyCaffe.layers.BaseDataLayer< T > | |
SimpleDatum | ImageMean [getset] |
Get/set the image mean. More... | |
DataTransformer< T > | Transformer [get] |
Returns the data transformer used. More... | |
Properties inherited from MyCaffe.layers.Layer< T > | |
LayerParameter.? LayerType | parent_layer_type [get] |
Optionally, specifies the parent layer type (e.g. LOSS, etc.) More... | |
virtual bool | SupportsPreProcessing [get] |
Should return true when PreProcessing methods are overriden. More... | |
virtual bool | SupportsPostProcessing [get] |
Should return true when pre PostProcessing methods are overriden. More... | |
virtual bool | SupportsPostProcessingLogits [get] |
Should return true when pre PostProcessingLogits methods are overriden. More... | |
virtual bool | SupportsPostProcessingFullOutput [get] |
Should return true when PostProcessingFullOutput is supported. More... | |
BlobCollection< T > | blobs [get] |
Returns the collection of learnable parameter Blobs for the Layer. More... | |
BlobCollection< T > | internal_blobs [get] |
Returns the collection of internal Blobs used by the Layer. More... | |
LayerParameter | layer_param [get] |
Returns the LayerParameter for this Layer. More... | |
LayerParameter.LayerType | type [get] |
Returns the LayerType of this Layer. More... | |
virtual int | ExactNumBottomBlobs [get] |
Returns the exact number of bottom (input) Blobs required by the Layer, or -1 if no exact number is required. More... | |
virtual int | MinBottomBlobs [get] |
Returns the minimum number of bottom (input) Blobs required by the Layer, or -1 if no minimum number is required. More... | |
virtual int | MaxBottomBlobs [get] |
Returns the maximum number of bottom (input) Blobs required by the Layer, or -1 if no maximum number is required. More... | |
virtual int | ExactNumTopBlobs [get] |
Returns the exact number of top (output) Blobs required by the Layer, or -1 if no exact number is required. More... | |
virtual int | MinTopBlobs [get] |
Returns the minimum number of top (output) Blobs required by the Layer, or -1 if no minimum number is required. More... | |
virtual int | MaxTopBlobs [get] |
Returns the maximum number of top (output) Blobs required by the Layer, or -1 if no maximum number is required. More... | |
virtual bool | EqualNumBottomTopBlobs [get] |
Returns true if the Layer requires and equal number of bottom (input) and top (output) Blobs. More... | |
virtual bool | AutoTopBlobs [get] |
Return whether "anonymous" top (output) Blobs are created automatically by the Layer. More... | |
double | forward_timing [get] |
Returns the timing of the last forward pass in milliseconds. More... | |
double | forward_timing_average [get] |
Returns the average timing of the forward passes in milliseconds. More... | |
double | backward_timing [get] |
Returns the timing of the last backward pass in milliseconds. More... | |
double | backward_timing_average [get] |
Returns the average timing of the backward passes in milliseconds. More... | |
Events | |
EventHandler< MemoryDataLayerGetDataArgs > | OnGetData |
The OnGetData event fires on the DataLayerSetup call and each time the data wraps around (e.g. all data as already fed through) during the forward call. More... | |
EventHandler< MemoryDataLayerPackDataArgs< T > > | OnDataPack |
The OnDataPack event fires from within the AddDatumVector method and is used to pack the data into a specific ordering needed by the layers connected downstream of the MemoryDataLayer, such as an LSTM layer. More... | |
Events inherited from MyCaffe.layers.Layer< T > | |
EventHandler< WorkspaceArgs > | OnGetWorkspace |
Specifies the OnGetWorkspace event that fires when the getWorkspace() function is called by a layer to get a shareable workspace to conserve GPU memory. More... | |
EventHandler< WorkspaceArgs > | OnSetWorkspace |
Specifies the OnSetWorkspace event that fires when the setWorkspace() function is called by a layer to get a shareable workspace to conserve GPU memory. More... | |
EventHandler< GetIterationArgs > | OnGetIteration |
Specifies the OnGetIteration event that fires when a layer needs to get the current iteration from the solver. More... | |
EventHandler< GetWorkBlobArgs< T > > | OnDebug |
Specifies the OnGetWorkBlob event that is only supported when debugging to get a work blob from the primary Net holding this layer. More... | |
Additional Inherited Members | |
Static Public Member Functions inherited from MyCaffe.layers.Layer< T > | |
static Layer< T > | Create (CudaDnn< T > cuda, Log log, LayerParameter p, CancelEvent evtCancel, IXDatabaseBase db=null, TransferInput trxinput=null) |
Create a new Layer based on the LayerParameter. More... | |
Protected Attributes inherited from MyCaffe.layers.BaseDataLayer< T > | |
DataTransformer< T > | m_transformer |
Specifies the DataTransformer used to transform each data item as it loaded. More... | |
bool | m_bOutputLabels |
Specifies whether or not the Layer should output labels. More... | |
IXImageDatabaseBase | m_imgdb |
Specifies the MyCaffeImageDatabase. More... | |
SourceDescriptor | m_src |
Specifies the SourceDescriptor of the data source. More... | |
SimpleDatum | m_imgMean = null |
Specifies the SimpleDatum that optionally contains the image Mean for data centering. More... | |
Protected Attributes inherited from MyCaffe.layers.Layer< T > | |
LayerParameter.LayerType | m_type = LayerParameter.LayerType._MAX |
Specifies the Layer type. More... | |
CudaDnn< T > | m_cuda |
Specifies the CudaDnn connection to Cuda. More... | |
Log | m_log |
Specifies the Log for output. More... | |
LayerParameter | m_param |
Specifies the LayerParameter describing the Layer. More... | |
Phase | m_phase |
Specifies the Phase under which the Layer is run. More... | |
BlobCollection< T > | m_colBlobs |
Specifies the learnable parameter Blobs of the Layer. More... | |
BlobCollection< T > | m_colInternalBlobs = new BlobCollection<T>() |
Specifies internal blobs used by the layer. More... | |
DictionaryMap< bool > | m_rgbParamPropagateDown |
Specifies whether or not to compute the learnable diff of each parameter Blob. More... | |
DictionaryMap< double > | m_rgLoss |
Specifies the loss values that indeicate whether each top (output) Blob has a non-zero weight in the objective function.. More... | |
T | m_tOne |
Specifies a generic type equal to 1.0. More... | |
T | m_tZero |
Specifies a generic type equal to 0.0. More... | |
bool | m_bEnablePassthrough = false |
Enables/disables the pass-through mode for the layer. Default = false. More... | |
bool | m_bUseHalfSize = false |
Specifies that the half size of the top (if any) should be converted to the base size. More... | |
bool | m_bConvertTopOnFwd = false |
Specifies whether or not the layer should convert the top on the forward pass when using half sized memory (typically only done with input data). More... | |
bool | m_bConvertTopOnBwd = true |
Specifies whether or not to convert the top on the backward pass when using half sized memory (typically not done on loss layers). More... | |
bool | m_bConvertBottom = true |
Specifies whether or not the layer should convert the bottom when using half sized memory. More... | |
bool | m_bReshapeOnForwardNeeded = true |
Specifies whether or not the reshape on forward is needed or not. More... | |
bool | m_bNetReshapeRequest = false |
Specifies whether the reshape is requested from a Net.Reshape call or not. More... | |
LayerParameter.? LayerType | m_parentLayerType = null |
Specifies the layer type of the parent. More... | |
The MemoryDataLayer provides data to the Net from memory. This layer is initialized with the MyCaffe.param.MemoryDataParameter.
T | Specifies the base type float or double. Using float is recommended to conserve GPU memory. |
Definition at line 20 of file MemoryDataLayer.cs.
MyCaffe.layers.MemoryDataLayer< T >.MemoryDataLayer | ( | CudaDnn< T > | cuda, |
Log | log, | ||
LayerParameter | p | ||
) |
The BaseDataLayer constructor.
cuda | Specifies the CudaDnn connection to Cuda. |
log | Specifies the Log for output. |
p | Specifies the LayerParameter of type MEMORYDATA with memorydata_param options:
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Definition at line 66 of file MemoryDataLayer.cs.
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virtual |
This method is used to add a single Datum to the memory.
sd | The Data Datum to add. |
nLblAxis | Optionally, specifies the axis on which the multi-label data is placed. This field is not used on SINGLE label types. |
bReset | Optionally, specifies to force reset the internal data. |
bResizeBatch | Optionally, specifies whether or not to size the batch to the number of rgData. |
Definition at line 259 of file MemoryDataLayer.cs.
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virtual |
This method is used to add a list of Datums to the memory.
rgData | The list of Data Datums to add. |
rgClip | Optionally, specifies the clip data, if any exits. |
nLblAxis | Optionally, specifies the axis on which the multi-label data is placed. This field is not used on SINGLE label types. |
bReset | Optionally, specifies to force reset the internal data. |
bResizeBatch | Optionally, specifies whether or not to size the batch to the number of rgData. |
The batch size is only resized when the clip data is null, otherwise, regardless of the 'bResizeBatch' setting, the batch size is not changed.
Definition at line 276 of file MemoryDataLayer.cs.
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virtual |
This method is used to add a list of Datums to the memory.
rgData | The list of Data Datums to add. |
rgClip | Optionally, specifies the clip data, if any exits. |
nLblAxis | Optionally, specifies the axis on which the multi-label data is placed. This field is not used on SINGLE label types. |
bReset | Optionally, specifies to force reset the internal data. |
bResizeBatch | Optionally, specifies whether or not to size the batch to the number of rgData. |
The batch size is only resized when the clip data is null, otherwise, regardless of the 'bResizeBatch' setting, the batch size is not changed.
Definition at line 291 of file MemoryDataLayer.cs.
void MyCaffe.layers.MemoryDataLayer< T >.Copy | ( | MemoryDataLayer< T > | src | ) |
Copy the data by copying the src alyer data and label to the parameters specified.
src | Specifies the source layer. |
Definition at line 430 of file MemoryDataLayer.cs.
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protectedvirtual |
Setup the MemoryDataLayer.
colBottom | Not used. |
colTop | Specifies the collection of top (output) Blobs. |
Implements MyCaffe.layers.BaseDataLayer< T >.
Definition at line 87 of file MemoryDataLayer.cs.
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protectedvirtual |
Releases all GPU and host resources used by the Layer.
Reimplemented from MyCaffe.layers.BaseDataLayer< T >.
Definition at line 77 of file MemoryDataLayer.cs.
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protectedvirtual |
The forward computation which loads the data into the top (output) Blobs.
colBottom | Not used. |
colTop | top output blob vector (length 1)
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Implements MyCaffe.layers.Layer< T >.
Definition at line 513 of file MemoryDataLayer.cs.
void MyCaffe.layers.MemoryDataLayer< T >.Reset | ( | Blob< T > | data, |
Blob< T > | labels, | ||
int | n | ||
) |
Resets the data by copying the internal data to the parameters specified.
data | Specifies the data Blob that will receive a copy of the internal data. |
labels | Specifies the label Blob that will receive a copy of the internal lables. |
n | Specifies the number runs to perform on each batch. |
Definition at line 409 of file MemoryDataLayer.cs.
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virtual |
Reshape the internal data and outputs.
colBottom | Specifies the inputs. |
colTop | Specifies teh outputs. |
Reimplemented from MyCaffe.layers.BaseDataLayer< T >.
Definition at line 192 of file MemoryDataLayer.cs.
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getset |
Returns the batch size.
Definition at line 455 of file MemoryDataLayer.cs.
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get |
Returns the data channels.
Definition at line 468 of file MemoryDataLayer.cs.
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get |
Returns the clip 1 size, if any exists.
Definition at line 492 of file MemoryDataLayer.cs.
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get |
Returns the clip 2 size, if any exists.
Definition at line 500 of file MemoryDataLayer.cs.
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get |
No bottom blobs are used by this layer.
Definition at line 223 of file MemoryDataLayer.cs.
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get |
Returns the exact number of required top (output) Blobs.
Definition at line 231 of file MemoryDataLayer.cs.
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get |
Returns the data height.
Definition at line 476 of file MemoryDataLayer.cs.
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get |
Returns the maximum number of top blobs: data, clip, label
Definition at line 247 of file MemoryDataLayer.cs.
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get |
Returns the minimum number of top blobs: data
Definition at line 239 of file MemoryDataLayer.cs.
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get |
Returns the data width.
Definition at line 484 of file MemoryDataLayer.cs.
EventHandler<MemoryDataLayerPackDataArgs<T> > MyCaffe.layers.MemoryDataLayer< T >.OnDataPack |
The OnDataPack event fires from within the AddDatumVector method and is used to pack the data into a specific ordering needed by the layers connected downstream of the MemoryDataLayer, such as an LSTM layer.
Definition at line 50 of file MemoryDataLayer.cs.
EventHandler<MemoryDataLayerGetDataArgs> MyCaffe.layers.MemoryDataLayer< T >.OnGetData |
The OnGetData event fires on the DataLayerSetup call and each time the data wraps around (e.g. all data as already fed through) during the forward call.
Definition at line 45 of file MemoryDataLayer.cs.