/usr/include/linbox/benchmark-metadata.h is in liblinbox-dev 1.4.2-5build1.
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* Written by Brice Boyer (briceboyer) <boyer.brice@gmail.com>
*
*
*
* ========LICENCE========
* This file is part of the library LinBox.
*
* LinBox is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*/
/*! @file benchmarks/benchmark-metadata.h
* @ingroup benchmarks
* @brief metadata
*/
#ifndef __LINBOX_benchmarks_benchmark_metadata_H
#define __LINBOX_benchmarks_benchmark_metadata_H
#include "benchmark-utils.h"
//
// Metadata
//
namespace LinBox {
class MetaData ;
//! This is the general metadata class
class MetaData {
private :
svector_t name ; //! key/name of the metadata. for instance <matrix id="matrix1"/>
std::string _hash ; //! unique id (used to save space)
svector_t keys ; //! keys
svector_t vals ; //! values
std::vector<MetaData *> metadata ; //! child metadata array
private :
//! @internal recursively free memory
void clean ()
{
if (this != NULL) {
for (size_t i = 0 ; i < metadata.size() ; ++i) {
metadata[i]->clean();
delete metadata[i] ;
metadata[i] = NULL ;
}
}
return;
}
//! @internal copy all, including metadata children
void deep_copy(const MetaData * md)
{
name = md->getIds();
_hash = md->getHash();
keys = md->getKeys();
vals = md->getVals();
size_t md_size = md->getMetaDataSize();
if (md_size) {
metadata.resize(md_size,NULL);
for (size_t i = 0 ; i <md_size ; ++i) {
metadata[i] = new MetaData ;
metadata[i]->deep_copy(md->getMetaData(i));
}
}
return;
}
//! @internal adds some metadata child
void push_back(const MetaData * md)
{
size_t md_size = getMetaDataSize();
metadata.resize(md_size+1,NULL);
metadata[md_size] = new MetaData ;
metadata[md_size]->deep_copy(md);
}
protected :
const std::string & getName() const
{
return name[1] ;
}
void setHash(const std::string & myhash)
{
_hash = myhash ;
}
const svector_t & getIds() const
{
return name ;
}
const svector_t & getKeys() const
{
return keys ;
}
const svector_t & getVals() const
{
return vals ;
}
size_t getMetaDataSize() const
{
return metadata.size();
}
const MetaData * getMetaData(const size_t & i) const
{
return metadata[i];
}
std::string hasher(const std::string & data)
{
#ifdef HAVE_CXX11
std::hash<std::string> my_hasher ;
size_t the_hash = my_hasher(data);
#else
std::locale loc;
const std::collate<char>& coll = std::use_facet<std::collate<char> >(loc); // const member ?
size_t the_hash = coll.hash(data.data(),data.data()+data.length());
#endif
return toString(the_hash);
}
public:
MetaData() :
name(2)
, _hash("")
, keys(0)
, vals(0)
, metadata(0)
{
name[0] = "unknown" ;
name[1] = name[0] + '_' + randomAlNum(8) ;
}
~MetaData()
{
clean();
}
MetaData(const MetaData * md)
{
deep_copy(md);
}
MetaData(const MetaData & md)
{
deep_copy(&md);
}
template<class T>
void changeValue(const std::string & keyword, T& value)
{
size_t i ;
bool ok = findKeyword(i, keys.begin(), keys.end(), keyword);
if ( !ok )
// throw LinBoxError("undefined keyword",keyword);
throw LinBoxError("undefined keyword");
vals[i] = toString(value);
return;
}
const std::string & getValue(const std::string & keyword)
{
size_t i ;
bool ok = findKeyword(i, keys.begin(), keys.end(), keyword);
if ( !ok )
// throw LinBoxError("undefined keyword",keyword);
throw LinBoxError("undefined keyword");
return vals[i] ;
}
void addValue(const std::string & nom, const std::string & val = "N/A")
{
keys.push_back(nom);
vals.push_back(val);
linbox_check(keys.size() == vals.size());
return;
}
template <class T>
void addValue(const std::string & nom, const T & val )
{
keys.push_back(nom);
vals.push_back(toString(val));
linbox_check(keys.size() == vals.size());
return;
}
void addMetaData( const MetaData * md)
{
push_back(md);
}
void setIds (const std::string & key)
{
name[0] = key ;
name[1] = key + "_" + randomAlNum(8) ;
return;
}
#ifdef __LINBOX_HAVE_TINYXML2
void writeMetaData(tinyxml2::XMLElement ** data, tinyxml2::XMLDocument & doc) const
{
//! @warning only one name allowed. Todo : matrix1, matrix2,...
using namespace tinyxml2;
*data = doc.NewElement( getIds()[0].c_str() );
linbox_check(*data);
(*data)->SetAttribute("id",getIds()[1].c_str());
#ifndef NDEBUG
(*data)->SetAttribute("hash",getHash().c_str());
#endif
for (size_t i = 0 ; i < keys.size() ; ++i ) {
(*data)->SetAttribute(keys[i].c_str(),vals[i].c_str());
}
for (size_t i = 0 ; i < getMetaDataSize() ; ++i ) {
XMLElement * child = NULL ;
getMetaData(i)->writeMetaData(&child,doc);
(*data)->InsertEndChild( child );
}
return ;
}
#endif
// should not be too public
std::string getLocalString() const
{
std::string res = name[0] + ',' ;
for (size_t i = 0 ; i < keys.size() ; ++i)
res += keys[i] + '=' + vals[i] + ';';
return res ;
}
const std::string & getHash() const
{
return _hash ;
}
}; // MetaData
} // LinBox
//
// MetaData specialized
//
#ifdef HAVE_CXX11
#include <unordered_map>
#endif
namespace LinBox {
// class RepresentationMetaData ;
class MatrixMetaData ;
// class VectorMetaData ;
class StorageMetaData ;
class GeneratorMetaData ;
class FieldMetaData ;
// class SolutionMetaData ;
class AlgorithmMetaData ;
class EnvrironmentMetaData ;
class BenchmarkMetaData ;
//! Field metadata
class FieldMetaData : public MetaData {
private :
public :
FieldMetaData()
{
setIds("field");
addValue("name");
addValue("characteristic");
hash();
}
// a general field/ring has no exponent.
template<class Field>
FieldMetaData( const Field & F)
{
#if 0
F.getMetaData(this); // this would also print representation
also det(A, some_mehtod(), Meta) would do a dry run and print in Meta.
#endif
setIds("field");
std::ostringstream a ;
F.write(a);
addValue("name",a.str());
addValue("characteristic", F.characteristic());
hash();
}
void hash()
{
std::string data = getLocalString() ;
linbox_check(getMetaDataSize() == 0);
setHash(hasher(data));
}
}; // FieldMetaData
//! Matrix metadata
// what if MetaData changes something in MatrixMetaData and does not update hash ?
class MatrixMetaData : public MetaData {
void initMetadata()
{
addValue("rowdim");
addValue("coldim");
addValue("nbnz");
addValue("name");
FieldMetaData FMD;
addMetaData(&FMD);
}
public:
MatrixMetaData()
{
setIds("matrix");
initMetadata() ;
hash();
}
template<class Matrix>
MatrixMetaData(Matrix & M, const std::string nom = "N/A" )
{
setIds("matrix");
// M.getMetaData(this);
addValue("rowdim",M.rowdim());
addValue("coldim",M.coldim());
addValue("nbnz",M.size());
addValue("name",nom);
FieldMetaData FMD(M.field());
addMetaData(&FMD);
hash();
}
void hash()
{
std::string data = getLocalString() ;
if (getMetaDataSize() == 1) { // first the field. (@todo search for fields, then search for random generator.)
data += getMetaData(0)->getLocalString();
}
setHash(hasher(data));
}
} ; // MatrixMetaData
//! Environment metadata;
class EnvironmentMetaData : public MetaData {
void initMetadata()
{
// Machine
// compiler
}
public :
EnvironmentMetaData()
{
}
}; // EnvironmentMetaData
//! Benchmark metadata;
class BenchmarkMetaData : public MetaData {
void initMetadata()
{
// problem
// machine
}
public :
BenchmarkMetaData()
{
}
}; // BenchmarkMetaData
//! Algorithm metadata;
class AlgorithmMetaData : public MetaData {
void initMetadata()
{
// name
// method
}
public :
AlgorithmMetaData()
{
}
}; // AlgorithmMetaData
//! Generator metadata;
class GeneratorMetaData : public MetaData {
void initMetadata()
{
}
public :
GeneratorMetaData()
{
}
}; // GeneratorMetaData
//! Storage metadata;
class StorageMetaData : public MetaData {
void initMetadata()
{
}
public :
StorageMetaData()
{
}
}; // StorageMetaData
} // LinBox
//
// typedefs
//
namespace LinBox {
typedef std::vector<MetaData> mvector_t ;
} // LinBox
//
// Metadata Container
//
namespace LinBox {
struct MetaDataSeries {
mvector_t MetaDataVec ; // vector of metadatas
// svector_t PointsIDs ; // vector of points ids
smatrix_t MetaDataIDs ; // MetaDataIDs[i] is the list of indexes in PointIDs, corresponding to the points associated with metadatas MetaDataVec[i]. Could use some std::map as well.
public:
MetaDataSeries() :
MetaDataVec(0)
, MetaDataIDs(0)
{};
// bool exists(size_t & j, const MetaData & m);
// uses hashes to search for metadata.
void push_back(const std::string & pointID, const MetaData & pointMD)
{
// size_t j = MetaDataVec.size();
// re-hash here ?
std::string hsh = pointMD.getHash();
size_t i ;
bool found = false ;
for (i = 0 ; i < MetaDataVec.size() ; ++i)
if (hsh == MetaDataVec[i].getHash()) {
found = true ;
break;
}
linbox_check((!found) && (i == MetaDataVec.size()));
if (! found) {
MetaDataVec.push_back(pointMD);
svector_t used_by(0) ;
used_by.push_back(pointID);
MetaDataIDs.push_back(used_by) ;
}
else {
MetaDataIDs[i].push_back(pointID);
}
}
};
} // LinBox
#ifdef LinBoxSrcOnly
#include "benchmarks/benchmark-metadata.C"
#endif
#endif // __LINBOX_benchmarks_benchmark_metadata_H
// Local Variables:
// mode: C++
// tab-width: 8
// indent-tabs-mode: nil
// c-basic-offset: 8
// End:
// vim:sts=8:sw=8:ts=8:noet:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
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