SHOGUN
v3.2.0
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Class CStreamingFileFromSparseFeatures is derived from CStreamingFile and provides an input source for the online framework. It uses an existing CSparseFeatures object to generate online examples.
Definition at line 22 of file StreamingFileFromSparseFeatures.h.
Public Member Functions | |
CStreamingFileFromSparseFeatures () | |
CStreamingFileFromSparseFeatures (CSparseFeatures< T > *feat) | |
CStreamingFileFromSparseFeatures (CSparseFeatures< T > *feat, float64_t *lab) | |
virtual | ~CStreamingFileFromSparseFeatures () |
virtual void | get_sparse_vector (SGSparseVectorEntry< T > *&vec, int32_t &len) |
virtual void | get_sparse_vector_and_label (SGSparseVectorEntry< 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 () |
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void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
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void | set_generic () |
void | unset_generic () |
virtual void | print_serializable (const char *prefix="") |
virtual bool | save_serializable (CSerializableFile *file, const char *prefix="", int32_t param_version=Version::get_version_parameter()) |
virtual bool | load_serializable (CSerializableFile *file, const char *prefix="", int32_t param_version=Version::get_version_parameter()) |
DynArray< TParameter * > * | load_file_parameters (const SGParamInfo *param_info, int32_t file_version, CSerializableFile *file, const char *prefix="") |
DynArray< TParameter * > * | load_all_file_parameters (int32_t file_version, int32_t current_version, CSerializableFile *file, const char *prefix="") |
void | map_parameters (DynArray< TParameter * > *param_base, int32_t &base_version, DynArray< const SGParamInfo * > *target_param_infos) |
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 bool | update_parameter_hash () |
virtual bool | equals (CSGObject *other, float64_t accuracy=0.0) |
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 Attributes | |
SGIO * | io |
Parallel * | parallel |
Version * | version |
Parameter * | m_parameters |
Parameter * | m_model_selection_parameters |
Parameter * | m_gradient_parameters |
ParameterMap * | m_parameter_map |
uint32_t | m_hash |
Protected Member Functions | |
virtual TParameter * | migrate (DynArray< TParameter * > *param_base, const SGParamInfo *target) |
virtual void | one_to_one_migration_prepare (DynArray< TParameter * > *param_base, const SGParamInfo *target, TParameter *&replacement, TParameter *&to_migrate, char *old_name=NULL) |
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 Attributes | |
CSparseFeatures< T > * | features |
SparseFeatures object. More... | |
int32_t | vector_num |
Index of vector to be returned from the feature matrix. More... | |
float64_t * | labels |
Labels (if applicable) More... | |
CIOBuffer * | buf |
Buffer to hold stuff in memory. More... | |
char | task |
Task. More... | |
char * | filename |
Name of the handled file. More... | |
Default constructor
Definition at line 104 of file StreamingFileFromSparseFeatures.h.
CStreamingFileFromSparseFeatures | ( | CSparseFeatures< T > * | feat | ) |
Constructor taking a SparseFeatures object as arg
feat | SparseFeatures object |
Definition at line 111 of file StreamingFileFromSparseFeatures.h.
CStreamingFileFromSparseFeatures | ( | CSparseFeatures< T > * | feat, |
float64_t * | lab | ||
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Constructor taking a SparseFeatures object as arg
feat | SparseFeatures object |
lab | Labels as float64_t* |
Definition at line 118 of file StreamingFileFromSparseFeatures.h.
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Destructor
Definition at line 125 of file StreamingFileFromSparseFeatures.h.
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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. |
Definition at line 1156 of file SGObject.cpp.
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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.
Definition at line 1273 of file SGObject.cpp.
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Closes the file
Definition at line 58 of file StreamingFile.h.
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A deep copy. All the instance variables will also be copied.
Definition at line 126 of file SGObject.h.
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) |
Definition at line 1177 of file SGObject.cpp.
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Definition at line 1060 of file SGObject.cpp.
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Returns description of a given parameter string, if it exists. SG_ERROR otherwise
param_name | name of the parameter |
Definition at line 1084 of file SGObject.cpp.
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Returns index of model selection parameter with provided index
param_name | name of model selection parameter |
Definition at line 1097 of file SGObject.cpp.
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Reimplemented from CStreamingFileFromFeatures.
Definition at line 82 of file StreamingFileFromSparseFeatures.h.
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This function will be called for reading vectors from the corresponding SparseFeatures object. It is specialized depending on class type T.
vec | vector |
len | length of vector |
Definition at line 143 of file StreamingFileFromSparseFeatures.h.
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This function will be called for reading vectors and labels from the corresponding SparseFeatures object. It is specialized depending on class type T.
vec | vector |
len | length of vector |
label | label |
Definition at line 165 of file StreamingFileFromSparseFeatures.h.
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Function to read VW examples without labels
ex | example |
len | length of feature vector |
Reimplemented in CStreamingVwCacheFile, and CStreamingVwFile.
Definition at line 183 of file StreamingFile.cpp.
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Function to read VW examples with labels
ex | example |
len | length of feature vector |
label | label |
Reimplemented in CStreamingVwCacheFile, and CStreamingVwFile.
Definition at line 188 of file StreamingFile.cpp.
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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 |
Definition at line 228 of file SGObject.cpp.
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Whether the stream is seekable/resettable
Reimplemented in CStreamingVwFile, and CStreamingVwCacheFile.
Definition at line 68 of file StreamingFile.h.
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maps all parameters of this instance to the provided file version and loads all parameter data from the file into an array, which is sorted (basically calls load_file_parameter(...) for all parameters and puts all results into a sorted array)
file_version | parameter version of the file |
current_version | version from which mapping begins (you want to use Version::get_version_parameter() for this in most cases) |
file | file to load from |
prefix | prefix for members |
Definition at line 633 of file SGObject.cpp.
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loads some specified parameters from a file with a specified version The provided parameter info has a version which is recursively mapped until the file parameter version is reached. Note that there may be possibly multiple parameters in the mapping, therefore, a set of TParameter instances is returned
param_info | information of parameter |
file_version | parameter version of the file, must be <= provided parameter version |
file | file to load from |
prefix | prefix for members |
Definition at line 474 of file SGObject.cpp.
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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 |
param_version | (optional) a parameter version different to (this is mainly for testing, better do not use) |
Definition at line 305 of file SGObject.cpp.
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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 occurres. |
Reimplemented in CWeightedDegreePositionStringKernel, CKernel, CList, CAlphabet, CLinearHMM, CGaussianKernel, CInverseMultiQuadricKernel, CCircularKernel, and CExponentialKernel.
Definition at line 989 of file SGObject.cpp.
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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 occurres. |
Reimplemented in CDynamicArray< T >, CDynamicArray< float64_t >, CDynamicArray< float32_t >, CDynamicArray< int32_t >, CDynamicArray< char >, CDynamicArray< bool >, and CDynamicObjectArray.
Definition at line 984 of file SGObject.cpp.
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Takes a set of TParameter instances (base) with a certain version and a set of target parameter infos and recursively maps the base level wise to the current version using CSGObject::migrate(...). The base is replaced. After this call, the base version containing parameters should be of same version/type as the initial target parameter infos. Note for this to work, the migrate methods and all the internal parameter mappings have to match
param_base | set of TParameter instances that are mapped to the provided target parameter infos |
base_version | version of the parameter base |
target_param_infos | set of SGParamInfo instances that specify the target parameter base |
Definition at line 671 of file SGObject.cpp.
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creates a new TParameter instance, which contains migrated data from the version that is provided. The provided parameter data base is used for migration, this base is a collection of all parameter data of the previous version. Migration is done FROM the data in param_base TO the provided param info Migration is always one version step. Method has to be implemented in subclasses, if no match is found, base method has to be called.
If there is an element in the param_base which equals the target, a copy of the element is returned. This represents the case when nothing has changed and therefore, the migrate method is not overloaded in a subclass
param_base | set of TParameter instances to use for migration |
target | parameter info for the resulting TParameter |
Definition at line 878 of file SGObject.cpp.
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This method prepares everything for a one-to-one parameter migration. One to one here means that only ONE element of the parameter base is needed for the migration (the one with the same name as the target). Data is allocated for the target (in the type as provided in the target SGParamInfo), and a corresponding new TParameter instance is written to replacement. The to_migrate pointer points to the single needed TParameter instance needed for migration. If a name change happened, the old name may be specified by old_name. In addition, the m_delete_data flag of to_migrate is set to true. So if you want to migrate data, the only thing to do after this call is converting the data in the m_parameter fields. If unsure how to use - have a look into an example for this. (base_migration_type_conversion.cpp for example)
param_base | set of TParameter instances to use for migration |
target | parameter info for the resulting TParameter |
replacement | (used as output) here the TParameter instance which is returned by migration is created into |
to_migrate | the only source that is used for migration |
old_name | with this parameter, a name change may be specified |
Definition at line 818 of file SGObject.cpp.
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prints all parameter registered for model selection and their type
Definition at line 1036 of file SGObject.cpp.
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prints registered parameters out
prefix | prefix for members |
Definition at line 240 of file SGObject.cpp.
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Reset the stream so the next example returned is the first example in the SparseFeatures object.
Reimplemented from CStreamingFile.
Definition at line 76 of file StreamingFileFromSparseFeatures.h.
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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 |
param_version | (optional) a parameter version different to (this is mainly for testing, better do not use) |
Definition at line 246 of file SGObject.cpp.
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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 occurres. |
Reimplemented in CKernel.
Definition at line 999 of file SGObject.cpp.
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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 occurres. |
Reimplemented in CKernel, CDynamicArray< T >, CDynamicArray< float64_t >, CDynamicArray< float32_t >, CDynamicArray< int32_t >, CDynamicArray< char >, CDynamicArray< bool >, and CDynamicObjectArray.
Definition at line 994 of file SGObject.cpp.
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Set the features object
feat | features object as argument |
Definition at line 67 of file StreamingFileFromFeatures.h.
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Definition at line 41 of file SGObject.cpp.
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Definition at line 46 of file SGObject.cpp.
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Definition at line 51 of file SGObject.cpp.
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Definition at line 56 of file SGObject.cpp.
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Definition at line 61 of file SGObject.cpp.
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Definition at line 66 of file SGObject.cpp.
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Definition at line 71 of file SGObject.cpp.
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Definition at line 76 of file SGObject.cpp.
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Definition at line 81 of file SGObject.cpp.
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Definition at line 86 of file SGObject.cpp.
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Definition at line 91 of file SGObject.cpp.
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Definition at line 96 of file SGObject.cpp.
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Definition at line 101 of file SGObject.cpp.
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Definition at line 106 of file SGObject.cpp.
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Definition at line 111 of file SGObject.cpp.
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set generic type to T
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set the parallel object
parallel | parallel object to use |
Definition at line 180 of file SGObject.cpp.
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set the version object
version | version object to use |
Definition at line 215 of file SGObject.cpp.
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Set the labels
lab | array of labels |
Definition at line 78 of file StreamingFileFromFeatures.h.
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virtualinherited |
A shallow copy. All the SGObject instance variables will be simply assigned and SG_REF-ed.
Reimplemented in CGaussianKernel.
Definition at line 117 of file SGObject.h.
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unset generic type
this has to be called in classes specializing a template class
Definition at line 235 of file SGObject.cpp.
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Updates the hash of current parameter combination.
Definition at line 187 of file SGObject.cpp.
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Buffer to hold stuff in memory.
Definition at line 295 of file StreamingFile.h.
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protected |
SparseFeatures object.
Definition at line 96 of file StreamingFileFromSparseFeatures.h.
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Name of the handled file.
Definition at line 299 of file StreamingFile.h.
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io
Definition at line 473 of file SGObject.h.
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Labels (if applicable)
Definition at line 98 of file StreamingFileFromFeatures.h.
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parameters wrt which we can compute gradients
Definition at line 488 of file SGObject.h.
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Hash of parameter values
Definition at line 494 of file SGObject.h.
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model selection parameters
Definition at line 485 of file SGObject.h.
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map for different parameter versions
Definition at line 491 of file SGObject.h.
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parameters
Definition at line 482 of file SGObject.h.
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parallel
Definition at line 476 of file SGObject.h.
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Task.
Definition at line 297 of file StreamingFile.h.
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Index of vector to be returned from the feature matrix.
Definition at line 99 of file StreamingFileFromSparseFeatures.h.
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version
Definition at line 479 of file SGObject.h.