Class CStreamingFileFromDenseFeatures is a derived class of CStreamingFile which creates an input source for the online framework from a CDenseFeatures object.
This kind of input is seekable, and hence can be used for making multiple passes over data.
It is useful for testing/comparison purposes.
在文件 StreamingFileFromDenseFeatures.h 第 29 行定义.
Public 成员函数 | |
CStreamingFileFromDenseFeatures () | |
CStreamingFileFromDenseFeatures (CDenseFeatures< T > *feat, float64_t *lab=NULL) | |
virtual | ~CStreamingFileFromDenseFeatures () |
virtual void | get_vector (T *&vec, int32_t &len) |
virtual void | get_vector_and_label (T *&vec, int32_t &len, float64_t &label) |
void | reset_stream () |
virtual const char * | get_name () const |
virtual void | set_features (CFeatures *feat) |
virtual void | set_labels (float64_t *lab) |
void | close () |
virtual bool | is_seekable () |
virtual void | get_vector (VwExample *&ex, int32_t &len) |
virtual void | get_vector_and_label (VwExample *&ex, int32_t &len, float64_t &label) |
virtual CSGObject * | shallow_copy () const |
virtual CSGObject * | deep_copy () const |
virtual bool | is_generic (EPrimitiveType *generic) const |
template<class T > | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
void | unset_generic () |
virtual void | print_serializable (const char *prefix="") |
virtual bool | save_serializable (CSerializableFile *file, const char *prefix="") |
virtual bool | load_serializable (CSerializableFile *file, const char *prefix="") |
void | set_global_io (SGIO *io) |
SGIO * | get_global_io () |
void | set_global_parallel (Parallel *parallel) |
Parallel * | get_global_parallel () |
void | set_global_version (Version *version) |
Version * | get_global_version () |
SGStringList< char > | get_modelsel_names () |
void | print_modsel_params () |
char * | get_modsel_param_descr (const char *param_name) |
index_t | get_modsel_param_index (const char *param_name) |
void | build_gradient_parameter_dictionary (CMap< TParameter *, CSGObject * > *dict) |
virtual void | update_parameter_hash () |
virtual bool | parameter_hash_changed () |
virtual bool | equals (CSGObject *other, float64_t accuracy=0.0, bool tolerant=false) |
virtual CSGObject * | clone () |
Dense Vector Access Functions | |
Functions to access dense vectors of one of several base data types. These functions are used when reading one dense vector at a time from an input source and return the vector and length of the vector by reference. | |
virtual void | get_vector (bool *&vector, int32_t &len) |
virtual void | get_vector (uint8_t *&vector, int32_t &len) |
virtual void | get_vector (char *&vector, int32_t &len) |
virtual void | get_vector (int32_t *&vector, int32_t &len) |
virtual void | get_vector (float32_t *&vector, int32_t &len) |
virtual void | get_vector (float64_t *&vector, int32_t &len) |
virtual void | get_vector (int16_t *&vector, int32_t &len) |
virtual void | get_vector (uint16_t *&vector, int32_t &len) |
virtual void | get_vector (int8_t *&vector, int32_t &len) |
virtual void | get_vector (uint32_t *&vector, int32_t &len) |
virtual void | get_vector (int64_t *&vector, int32_t &len) |
virtual void | get_vector (uint64_t *&vector, int32_t &len) |
virtual void | get_vector (floatmax_t *&vector, int32_t &len) |
Dense Vector And Label Access Functions | |
Functions to access dense vectors of one of several base data types. These functions are used when reading one dense vector at a time from an input source and return the vector, length and label of the vector by reference. | |
virtual void | get_vector_and_label (bool *&vector, int32_t &len, float64_t &label) |
virtual void | get_vector_and_label (uint8_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_vector_and_label (char *&vector, int32_t &len, float64_t &label) |
virtual void | get_vector_and_label (int32_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_vector_and_label (float32_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_vector_and_label (float64_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_vector_and_label (int16_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_vector_and_label (uint16_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_vector_and_label (int8_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_vector_and_label (uint32_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_vector_and_label (int64_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_vector_and_label (uint64_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_vector_and_label (floatmax_t *&vector, int32_t &len, float64_t &label) |
String Access Functions | |
Functions to access string of one of several base data types. These functions are used when reading one string vector at a time from an input source and return the vector and length of the vector by reference. | |
virtual void | get_string (bool *&vector, int32_t &len) |
virtual void | get_string (uint8_t *&vector, int32_t &len) |
virtual void | get_string (char *&vector, int32_t &len) |
virtual void | get_string (int32_t *&vector, int32_t &len) |
virtual void | get_string (float32_t *&vector, int32_t &len) |
virtual void | get_string (float64_t *&vector, int32_t &len) |
virtual void | get_string (int16_t *&vector, int32_t &len) |
virtual void | get_string (uint16_t *&vector, int32_t &len) |
virtual void | get_string (int8_t *&vector, int32_t &len) |
virtual void | get_string (uint32_t *&vector, int32_t &len) |
virtual void | get_string (int64_t *&vector, int32_t &len) |
virtual void | get_string (uint64_t *&vector, int32_t &len) |
virtual void | get_string (floatmax_t *&vector, int32_t &len) |
String And Label Access Functions | |
Functions to access strings of one of several base data types. These functions are used when reading one string vector at a time from an input source and return the vector, length and label of the vector by reference. | |
virtual void | get_string_and_label (bool *&vector, int32_t &len, float64_t &label) |
virtual void | get_string_and_label (uint8_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_string_and_label (char *&vector, int32_t &len, float64_t &label) |
virtual void | get_string_and_label (int32_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_string_and_label (float32_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_string_and_label (float64_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_string_and_label (int16_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_string_and_label (uint16_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_string_and_label (int8_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_string_and_label (uint32_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_string_and_label (int64_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_string_and_label (uint64_t *&vector, int32_t &len, float64_t &label) |
virtual void | get_string_and_label (floatmax_t *&vector, int32_t &len, float64_t &label) |
Sparse Vector Access Functions | |
Functions to access sparse vectors of one of several base data types. These functions are used when reading one sparse vector at a time from an input source and return the vector and length of the vector by reference. | |
virtual void | get_sparse_vector (SGSparseVectorEntry< bool > *&vector, int32_t &len) |
virtual void | get_sparse_vector (SGSparseVectorEntry< uint8_t > *&vector, int32_t &len) |
virtual void | get_sparse_vector (SGSparseVectorEntry< char > *&vector, int32_t &len) |
virtual void | get_sparse_vector (SGSparseVectorEntry< int32_t > *&vector, int32_t &len) |
virtual void | get_sparse_vector (SGSparseVectorEntry< float32_t > *&vector, int32_t &len) |
virtual void | get_sparse_vector (SGSparseVectorEntry< float64_t > *&vector, int32_t &len) |
virtual void | get_sparse_vector (SGSparseVectorEntry< int16_t > *&vector, int32_t &len) |
virtual void | get_sparse_vector (SGSparseVectorEntry< uint16_t > *&vector, int32_t &len) |
virtual void | get_sparse_vector (SGSparseVectorEntry< int8_t > *&vector, int32_t &len) |
virtual void | get_sparse_vector (SGSparseVectorEntry< uint32_t > *&vector, int32_t &len) |
virtual void | get_sparse_vector (SGSparseVectorEntry< int64_t > *&vector, int32_t &len) |
virtual void | get_sparse_vector (SGSparseVectorEntry< uint64_t > *&vector, int32_t &len) |
virtual void | get_sparse_vector (SGSparseVectorEntry< floatmax_t > *&vector, int32_t &len) |
Sparse Vector And Label Access Functions | |
Functions to access sparse vectors of one of several base data types. These functions are used when reading one sparse vector at a time from an input source and return the vector, length and label of the vector by reference. | |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< bool > *&vector, int32_t &len, float64_t &label) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< uint8_t > *&vector, int32_t &len, float64_t &label) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< char > *&vector, int32_t &len, float64_t &label) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< int32_t > *&vector, int32_t &len, float64_t &label) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< float32_t > *&vector, int32_t &len, float64_t &label) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< float64_t > *&vector, int32_t &len, float64_t &label) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< int16_t > *&vector, int32_t &len, float64_t &label) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< uint16_t > *&vector, int32_t &len, float64_t &label) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< int8_t > *&vector, int32_t &len, float64_t &label) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< uint32_t > *&vector, int32_t &len, float64_t &label) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< int64_t > *&vector, int32_t &len, float64_t &label) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< uint64_t > *&vector, int32_t &len, float64_t &label) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< floatmax_t > *&vector, int32_t &len, float64_t &label) |
Public 属性 | |
SGIO * | io |
Parallel * | parallel |
Version * | version |
Parameter * | m_parameters |
Parameter * | m_model_selection_parameters |
Parameter * | m_gradient_parameters |
uint32_t | m_hash |
Protected 成员函数 | |
virtual void | load_serializable_pre () throw (ShogunException) |
virtual void | load_serializable_post () throw (ShogunException) |
virtual void | save_serializable_pre () throw (ShogunException) |
virtual void | save_serializable_post () throw (ShogunException) |
Protected 属性 | |
CDenseFeatures< T > * | features |
DenseFeatures object. 更多... | |
int32_t | vector_num |
Index of vector to be returned from the feature matrix. 更多... | |
float64_t * | labels |
Labels (if applicable) 更多... | |
CIOBuffer * | buf |
Buffer to hold stuff in memory. 更多... | |
char | task |
Task. 更多... | |
char * | filename |
Name of the handled file. 更多... | |
Default constructor
在文件 StreamingFileFromDenseFeatures.h 第 107 行定义.
CStreamingFileFromDenseFeatures | ( | CDenseFeatures< T > * | feat, |
float64_t * | lab = NULL |
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Constructor taking a DenseFeatures object as arg
feat | DenseFeatures object |
lab | Labels as float64_t*, optional |
在文件 StreamingFileFromDenseFeatures.h 第 114 行定义.
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Destructor
在文件 StreamingFileFromDenseFeatures.h 第 130 行定义.
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Builds a dictionary of all parameters in SGObject as well of those of SGObjects that are parameters of this object. Dictionary maps parameters to the objects that own them.
dict | dictionary of parameters to be built. |
在文件 SGObject.cpp 第 597 行定义.
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Creates a clone of the current object. This is done via recursively traversing all parameters, which corresponds to a deep copy. Calling equals on the cloned object always returns true although none of the memory of both objects overlaps.
在文件 SGObject.cpp 第 714 行定义.
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Closes the file
在文件 StreamingFile.h 第 54 行定义.
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A deep copy. All the instance variables will also be copied.
在文件 SGObject.cpp 第 198 行定义.
Recursively compares the current SGObject to another one. Compares all registered numerical parameters, recursion upon complex (SGObject) parameters. Does not compare pointers!
May be overwritten but please do with care! Should not be necessary in most cases.
other | object to compare with |
accuracy | accuracy to use for comparison (optional) |
tolerant | allows linient check on float equality (within accuracy) |
在文件 SGObject.cpp 第 618 行定义.
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在文件 SGObject.cpp 第 498 行定义.
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Returns description of a given parameter string, if it exists. SG_ERROR otherwise
param_name | name of the parameter |
在文件 SGObject.cpp 第 522 行定义.
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Returns index of model selection parameter with provided index
param_name | name of model selection parameter |
在文件 SGObject.cpp 第 535 行定义.
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This function will be called for reading vectors from the corresponding DenseFeatures object. It is specialized depending on class type T.
vec | vector |
len | length of vector |
在文件 StreamingFileFromDenseFeatures.h 第 148 行定义.
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Function to read VW examples without labels
ex | example |
len | length of feature vector |
被 CStreamingVwCacheFile , 以及 CStreamingVwFile 重载.
在文件 StreamingFile.cpp 第 183 行定义.
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This function will be called for reading vectors and labels from the corresponding DenseFeatures object. It is specialized depending on class type T.
vec | vector |
len | length of vector |
label | label |
在文件 StreamingFileFromDenseFeatures.h 第 168 行定义.
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Function to read VW examples with labels
ex | example |
len | length of feature vector |
label | label |
被 CStreamingVwCacheFile , 以及 CStreamingVwFile 重载.
在文件 StreamingFile.cpp 第 188 行定义.
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If the SGSerializable is a class template then TRUE will be returned and GENERIC is set to the type of the generic.
generic | set to the type of the generic if returning TRUE |
在文件 SGObject.cpp 第 296 行定义.
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Whether the stream is seekable/resettable
被 CStreamingVwFile , 以及 CStreamingVwCacheFile 重载.
在文件 StreamingFile.h 第 64 行定义.
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Load this object from file. If it will fail (returning FALSE) then this object will contain inconsistent data and should not be used!
file | where to load from |
prefix | prefix for members |
在文件 SGObject.cpp 第 369 行定义.
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Can (optionally) be overridden to post-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::LOAD_SERIALIZABLE_POST is called.
ShogunException | will be thrown if an error occurs. |
被 CKernel, CWeightedDegreePositionStringKernel, CList, CAlphabet, CLinearHMM, CGaussianKernel, CInverseMultiQuadricKernel, CCircularKernel , 以及 CExponentialKernel 重载.
在文件 SGObject.cpp 第 426 行定义.
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Can (optionally) be overridden to pre-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::LOAD_SERIALIZABLE_PRE is called.
ShogunException | will be thrown if an error occurs. |
被 CDynamicArray< T >, CDynamicArray< float64_t >, CDynamicArray< float32_t >, CDynamicArray< int32_t >, CDynamicArray< char >, CDynamicArray< bool > , 以及 CDynamicObjectArray 重载.
在文件 SGObject.cpp 第 421 行定义.
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在文件 SGObject.cpp 第 262 行定义.
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prints all parameter registered for model selection and their type
在文件 SGObject.cpp 第 474 行定义.
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Reset the stream so the next example returned is the first example in the DenseFeatures object.
重载 CStreamingFile .
在文件 StreamingFileFromDenseFeatures.h 第 78 行定义.
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Save this object to file.
file | where to save the object; will be closed during returning if PREFIX is an empty string. |
prefix | prefix for members |
在文件 SGObject.cpp 第 314 行定义.
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Can (optionally) be overridden to post-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::SAVE_SERIALIZABLE_POST is called.
ShogunException | will be thrown if an error occurs. |
被 CKernel 重载.
在文件 SGObject.cpp 第 436 行定义.
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Can (optionally) be overridden to pre-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::SAVE_SERIALIZABLE_PRE is called.
ShogunException | will be thrown if an error occurs. |
被 CKernel, CDynamicArray< T >, CDynamicArray< float64_t >, CDynamicArray< float32_t >, CDynamicArray< int32_t >, CDynamicArray< char >, CDynamicArray< bool > , 以及 CDynamicObjectArray 重载.
在文件 SGObject.cpp 第 431 行定义.
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Set the features object
feat | features object as argument |
在文件 StreamingFileFromFeatures.h 第 71 行定义.
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在文件 SGObject.cpp 第 41 行定义.
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在文件 SGObject.cpp 第 46 行定义.
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在文件 SGObject.cpp 第 51 行定义.
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在文件 SGObject.cpp 第 56 行定义.
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在文件 SGObject.cpp 第 61 行定义.
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在文件 SGObject.cpp 第 66 行定义.
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在文件 SGObject.cpp 第 71 行定义.
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在文件 SGObject.cpp 第 76 行定义.
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在文件 SGObject.cpp 第 81 行定义.
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在文件 SGObject.cpp 第 86 行定义.
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在文件 SGObject.cpp 第 91 行定义.
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在文件 SGObject.cpp 第 96 行定义.
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在文件 SGObject.cpp 第 101 行定义.
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在文件 SGObject.cpp 第 106 行定义.
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在文件 SGObject.cpp 第 111 行定义.
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set generic type to T
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A shallow copy. All the SGObject instance variables will be simply assigned and SG_REF-ed.
被 CGaussianKernel 重载.
在文件 SGObject.cpp 第 192 行定义.
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unset generic type
this has to be called in classes specializing a template class
在文件 SGObject.cpp 第 303 行定义.
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Updates the hash of current parameter combination
在文件 SGObject.cpp 第 248 行定义.
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Buffer to hold stuff in memory.
在文件 StreamingFile.h 第 293 行定义.
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DenseFeatures object.
在文件 StreamingFileFromDenseFeatures.h 第 99 行定义.
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Name of the handled file.
在文件 StreamingFile.h 第 297 行定义.
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io
在文件 SGObject.h 第 369 行定义.
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Labels (if applicable)
在文件 StreamingFileFromFeatures.h 第 102 行定义.
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parameters wrt which we can compute gradients
在文件 SGObject.h 第 384 行定义.
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Hash of parameter values
在文件 SGObject.h 第 387 行定义.
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model selection parameters
在文件 SGObject.h 第 381 行定义.
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parameters
在文件 SGObject.h 第 378 行定义.
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parallel
在文件 SGObject.h 第 372 行定义.
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Task.
在文件 StreamingFile.h 第 295 行定义.
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Index of vector to be returned from the feature matrix.
在文件 StreamingFileFromDenseFeatures.h 第 102 行定义.
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version
在文件 SGObject.h 第 375 行定义.