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modify tree so that training is standalone

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This commit is contained in:
tqchen
2014-02-26 16:03:00 -08:00
parent 2c6922f432
commit 4a612eb3ba
8 changed files with 197 additions and 287 deletions
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13
utils/xgboost_matrix_csr.h
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@@ -43,13 +43,13 @@ namespace xgboost{
}
public:
/*!
* \brief step 1: initialize the number of rows in the data
* \nrows number of rows in the matrix
* \brief step 1: initialize the number of rows in the data, not necessary exact
* \nrows number of rows in the matrix, can be smaller than expected
*/
inline void InitBudget( size_t nrows ){
inline void InitBudget( size_t nrows = 0 ){
if( !UseAcList ){
rptr.resize( nrows + 1 );
std::fill( rptr.begin(), rptr.end(), 0 );
rptr.clear();
rptr.resize( nrows + 1, 0 );
}else{
Assert( nrows + 1 == rptr.size(), "rptr must be initialized already" );
this->Cleanup();
@@ -61,6 +61,9 @@ namespace xgboost{
* \param nelem number of element budget add to this row
*/
inline void AddBudget( size_t row_id, size_t nelem = 1 ){
if( rptr.size() < row_id + 2 ){
rptr.resize( row_id + 2, 0 );
}
if( UseAcList ){
if( rptr[ row_id + 1 ] == 0 ) aclist.push_back( row_id );
}