C++ API Reference for Intel® Data Analytics Acceleration Library 2018 Update 1

lbfgs_batch.h
1 /* file: lbfgs_batch.h */
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41 
42 /*
43 //++
44 // Implementation of the interface for the limited-memory Broyden-Fletcher-Goldfarb-Shanno
45 // (BFGS) algorithm in the batch processing mode
46 //--
47 */
48 
49 #ifndef __LBFGS_BATCH_H__
50 #define __LBFGS_BATCH_H__
51 
52 #include "algorithms/algorithm.h"
53 #include "data_management/data/numeric_table.h"
54 #include "services/daal_defines.h"
55 #include "algorithms/optimization_solver/iterative_solver/iterative_solver_batch.h"
56 #include "lbfgs_types.h"
57 
58 namespace daal
59 {
60 namespace algorithms
61 {
62 namespace optimization_solver
63 {
64 namespace lbfgs
65 {
66 namespace interface1
67 {
81 template<typename algorithmFPType, Method method, CpuType cpu>
82 class DAAL_EXPORT BatchContainer : public daal::algorithms::AnalysisContainerIface<batch>
83 {
84 public:
90  BatchContainer(daal::services::Environment::env *daalEnv);
92  ~BatchContainer();
98  virtual services::Status compute() DAAL_C11_OVERRIDE;
99 };
100 
118 template<typename algorithmFPType = DAAL_ALGORITHM_FP_TYPE, Method method = defaultDense>
119 class DAAL_EXPORT Batch : public iterative_solver::Batch
120 {
121 public:
122  Input input;
123  Parameter parameter;
129  Batch(const sum_of_functions::BatchPtr& objectiveFunction = sum_of_functions::BatchPtr()) :
130  input(),
131  parameter(objectiveFunction)
132  {
133  initialize();
134  }
135 
141  Batch(const Batch<algorithmFPType, method> &other) :
142  iterative_solver::Batch(other),
143  input(other.input),
144  parameter(other.parameter)
145  {
146  initialize();
147  }
148 
153  virtual int getMethod() const DAAL_C11_OVERRIDE { return(int) method; }
154 
159  virtual iterative_solver::Input * getInput() DAAL_C11_OVERRIDE { return &input; }
160 
165  virtual iterative_solver::Parameter * getParameter() DAAL_C11_OVERRIDE { return &parameter; }
166 
172  virtual services::Status createResult() DAAL_C11_OVERRIDE
173  {
174  _result = iterative_solver::ResultPtr(new Result());
175  _res = NULL;
176  return services::Status();
177  }
178 
184  services::SharedPtr<Batch<algorithmFPType, method> > clone() const
185  {
186  return services::SharedPtr<Batch<algorithmFPType, method> >(cloneImpl());
187  }
188 
189 protected:
190  virtual Batch<algorithmFPType, method> *cloneImpl() const DAAL_C11_OVERRIDE
191  {
192  return new Batch<algorithmFPType, method>(*this);
193  }
194 
195  virtual services::Status allocateResult() DAAL_C11_OVERRIDE
196  {
197  services::Status s = static_cast<Result*>(_result.get())->allocate<algorithmFPType>(&input, &parameter, (int)method);
198  _res = _result.get();
199  return s;
200  }
201 
202  void initialize()
203  {
204  Analysis<batch>::_ac = new __DAAL_ALGORITHM_CONTAINER(batch, BatchContainer, algorithmFPType, method)(&_env);
205  _par = &parameter;
206  _in = &input;
207  _result.reset(new Result());
208  }
209 };
211 } // namespace interface1
212 using interface1::BatchContainer;
213 using interface1::Batch;
214 
215 } // namespace lbfgs
216 } // namespace optimization_solver
217 } // namespace algorithm
218 } // namespace daal
219 
220 #endif
daal::algorithms::optimization_solver::lbfgs::interface1::Batch::getParameter
virtual iterative_solver::Parameter * getParameter() DAAL_C11_OVERRIDE
Definition: lbfgs_batch.h:165
daal::algorithms::optimization_solver::lbfgs::interface1::Batch
Computes LBFGS in the batch processing mode.
Definition: lbfgs_batch.h:119
daal
Definition: algorithm_base_common.h:57
daal::algorithms::AnalysisContainerIface
Abstract interface class that provides virtual methods to access and run implementations of the analy...
Definition: analysis.h:79
daal::algorithms::optimization_solver::lbfgs::interface1::Batch::getInput
virtual iterative_solver::Input * getInput() DAAL_C11_OVERRIDE
Definition: lbfgs_batch.h:159
daal::algorithms::optimization_solver::lbfgs::interface1::Input
Input class for LBFGS algorithm
Definition: lbfgs_types.h:182
daal::algorithms::optimization_solver::lbfgs::interface1::Batch::Batch
Batch(const Batch< algorithmFPType, method > &other)
Definition: lbfgs_batch.h:141
daal::algorithms::optimization_solver::lbfgs::interface1::BatchContainer
Provides methods to run implementations of the LBFGS algorithm. This class is associated with daal::a...
Definition: lbfgs_batch.h:82
daal_defines.h
daal::algorithms::optimization_solver::lbfgs::interface1::Batch::clone
services::SharedPtr< Batch< algorithmFPType, method > > clone() const
Definition: lbfgs_batch.h:184
daal::algorithms::optimization_solver::lbfgs::interface1::Batch::parameter
Parameter parameter
Definition: lbfgs_batch.h:123
daal::batch
Definition: daal_defines.h:131
daal::algorithms::optimization_solver::lbfgs::interface1::Batch::getMethod
virtual int getMethod() const DAAL_C11_OVERRIDE
Definition: lbfgs_batch.h:153
daal::algorithms::optimization_solver::lbfgs::interface1::Batch::createResult
virtual services::Status createResult() DAAL_C11_OVERRIDE
Definition: lbfgs_batch.h:172
daal::algorithms::optimization_solver::lbfgs::interface1::Batch::Batch
Batch(const sum_of_functions::BatchPtr &objectiveFunction=sum_of_functions::BatchPtr())
Definition: lbfgs_batch.h:129
daal::algorithms::optimization_solver::lbfgs::interface1::Batch::input
Input input
Definition: lbfgs_batch.h:122
daal::algorithms::optimization_solver::lbfgs::interface1::Result
Results obtained with the compute() method of the LBFGS algorithm in the batch processing mode...
Definition: lbfgs_types.h:220
daal::algorithms::Analysis
Provides methods for execution of operations over data, such as computation of Summary Statistics est...
Definition: analysis.h:94
daal::algorithms::optimization_solver::iterative_solver::interface1::Batch
Interface for computing the iterative solver in the batch processing mode.
Definition: iterative_solver_batch.h:78
daal::algorithms::optimization_solver::lbfgs::interface1::Parameter
Parameter class for LBFGS algorithm
Definition: lbfgs_types.h:128
daal::algorithms::kmeans::objectiveFunction
Definition: kmeans_types.h:133

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