Pscf::Rpc::AmCompressor< D > Class Template Reference
Anderson mixing compressor. More...
#include <AmCompressor.h>
Inheritance diagram for Pscf::Rpc::AmCompressor< D >:
Public Member Functions | |
| AmCompressor (System< D > &system) | |
| Constructor. | |
| Public Member Functions inherited from Pscf::Rp::AmCompressor< D, Rpc::Types< D >, DArray< double > > | |
| void | readParameters (std::istream &in) override |
| Read all parameters and initialize. | |
| void | setup (bool isContinuation) override |
| Initialize just before entry to iterative loop. | |
| int | compress () override |
| Compress to obtain partial saddle point w+. | |
| void | outputTimers (std::ostream &out) const override |
| Return compressor times contributions. | |
| void | clearTimers () override |
| Clear all timers and mde counter. | |
| Public Member Functions inherited from Pscf::AmIteratorTmpl< Iterator, T > | |
| AmIteratorTmpl () | |
| Constructor. | |
| ~AmIteratorTmpl () | |
| Destructor. | |
| int | solve (bool isContinuation=false) |
| Iterate to a solution. | |
| void | outputTimers (std::ostream &out) const |
| Log output timing results. | |
| void | clearTimers () |
| Clear timers. | |
Additional Inherited Members | |
| Public Types inherited from Pscf::Rp::AmCompressor< D, Rpc::Types< D >, DArray< double > > | |
| using | VectorT |
| Type for state and residual vectors. | |
| Protected Types inherited from Pscf::Rp::AmCompressor< D, Rpc::Types< D >, DArray< double > > | |
| using | CompressorT |
| Compressor type. | |
| Protected Member Functions inherited from Pscf::Rp::AmCompressor< D, Rpc::Types< D >, DArray< double > > | |
| AmCompressor (typename Rpc::Types< D >::System &system) | |
| Constructor. | |
| ~AmCompressor ()=default | |
| Destructor. | |
| Protected Member Functions inherited from Pscf::AmIteratorTmpl< Iterator, T > | |
| void | readErrorType (std::istream &in) |
| Read and validate the optional errorType string parameter. | |
| virtual bool | isValidErrorType () |
| Checks if a string is a valid error type. | |
| void | readMixingParameters (std::istream &in, bool useLambdaRamp=true) |
| Read optional parameters used in default correction algorithm. | |
| void | allocateAM () |
| Allocate memory required by AM algorithm, if necessary. | |
| bool | isAllocatedAM () const |
| Have data structures required by the AM algorithm been allocated? | |
| virtual void | clear () |
| Clear information about history. | |
| virtual double | computeError (T &residTrial, T &stateTrial, std::string errorType, int verbose) |
| Compute and return error used to test for convergence. | |
| double | computeError (int verbose) |
| Compute and return error used to test for convergence. | |
| double | lambdaRampFactor () |
| Compute ramped prefactor of mixing parameter lambda. | |
| virtual double | computeLambda () |
| Compute mixing parameter for correction step of Anderson mixing. | |
| int | verbose () const |
| Verbosity level, allowed values 0, 1, or 2. | |
| std::string | errorType () const |
| Get error type string. | |
| T const & | residual () const |
| Get the current residual vector by const reference. | |
| T const & | state () const |
| Return the current state vector by const reference. | |
| int | totalItr () |
| Return the total number of iterations needed to converge. | |
| double | timerTotal () |
| Get total time. | |
| double | timerMDE () |
| Get time spent solving the modified diffusion equation (MDE). | |
| double | timerAM () |
| Get total time for AM algorithm, excluding MDE solution. | |
| double | timerResid () |
| Get time spent computing residual. | |
| double | timerError () |
| Get time evaluating scalar error. | |
| double | timerCoeff () |
| Get time spent evaluating Anderson mixing coefficients. | |
| double | timerOmega () |
| Get time spent updating w states. | |
| template<typename Type> | |
| ScalarParam< Type > & | read (std::istream &in, const char *label, Type &value) |
| Add and read a new required ScalarParam < Type > object. | |
| template<typename Type> | |
| ScalarParam< Type > & | readOptional (std::istream &in, const char *label, Type &value) |
| Add and read a new optional ScalarParam < Type > object. | |
| Protected Attributes inherited from Pscf::AmIteratorTmpl< Iterator, T > | |
| double | epsilon_ |
| Error tolerance. | |
| int | maxItr_ |
| Maximum number of iterations to attempt. | |
| int | maxHist_ |
| Maximum number of basis vectors in AM algorithm. | |
| int | verbose_ |
| Verbosity level. | |
| std::string | errorType_ |
| Type of error criterion used to test convergence. | |
Detailed Description
template<int D>
class Pscf::Rpc::AmCompressor< D >
class Pscf::Rpc::AmCompressor< D >
Anderson mixing compressor.
- See also
- Manual Page
Definition at line 34 of file /fts/compressor/AmCompressor.h.
Constructor & Destructor Documentation
◆ AmCompressor()
template<int D>
| Pscf::Rpc::AmCompressor< D >::AmCompressor | ( | System< D > & | system | ) |
Constructor.
- Parameters
-
system parent System object
Definition at line 27 of file AmCompressor.cpp.
References AmCompressor().
Referenced by AmCompressor().
The documentation for this class was generated from the following files:
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